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![Shirish S](/assets/img/avatar_default.png)
This patch moves amdgpu_fbdev_set_suspend() to the beginning of suspend sequence. This is to ensure fbcon does not to write to the VRAM after GPU is powerd down. Signed-off-by: Shirish S <shirish.s@amd.com> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3505 lines
95 KiB
C
3505 lines
95 KiB
C
/*
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* Copyright 2008 Advanced Micro Devices, Inc.
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* Copyright 2008 Red Hat Inc.
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* Copyright 2009 Jerome Glisse.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Dave Airlie
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* Alex Deucher
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* Jerome Glisse
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*/
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#include <linux/power_supply.h>
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#include <linux/kthread.h>
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#include <linux/console.h>
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#include <linux/slab.h>
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#include <drm/drmP.h>
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#include <drm/drm_crtc_helper.h>
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#include <drm/drm_atomic_helper.h>
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#include <drm/amdgpu_drm.h>
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#include <linux/vgaarb.h>
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#include <linux/vga_switcheroo.h>
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#include <linux/efi.h>
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#include "amdgpu.h"
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#include "amdgpu_trace.h"
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#include "amdgpu_i2c.h"
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#include "atom.h"
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#include "amdgpu_atombios.h"
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#include "amdgpu_atomfirmware.h"
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#include "amd_pcie.h"
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#ifdef CONFIG_DRM_AMDGPU_SI
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#include "si.h"
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#endif
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#ifdef CONFIG_DRM_AMDGPU_CIK
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#include "cik.h"
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#endif
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#include "vi.h"
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#include "soc15.h"
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#include "bif/bif_4_1_d.h"
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#include <linux/pci.h>
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#include <linux/firmware.h>
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#include "amdgpu_vf_error.h"
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#include "amdgpu_amdkfd.h"
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#include "amdgpu_pm.h"
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MODULE_FIRMWARE("amdgpu/vega10_gpu_info.bin");
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MODULE_FIRMWARE("amdgpu/vega12_gpu_info.bin");
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MODULE_FIRMWARE("amdgpu/raven_gpu_info.bin");
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#define AMDGPU_RESUME_MS 2000
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static const char *amdgpu_asic_name[] = {
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"TAHITI",
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"PITCAIRN",
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"VERDE",
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"OLAND",
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"HAINAN",
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"BONAIRE",
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"KAVERI",
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"KABINI",
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"HAWAII",
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"MULLINS",
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"TOPAZ",
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"TONGA",
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"FIJI",
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"CARRIZO",
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"STONEY",
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"POLARIS10",
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"POLARIS11",
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"POLARIS12",
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"VEGAM",
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"VEGA10",
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"VEGA12",
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"VEGA20",
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"RAVEN",
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"LAST",
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};
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static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev);
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/**
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* amdgpu_device_is_px - Is the device is a dGPU with HG/PX power control
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*
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* @dev: drm_device pointer
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*
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* Returns true if the device is a dGPU with HG/PX power control,
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* otherwise return false.
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*/
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bool amdgpu_device_is_px(struct drm_device *dev)
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{
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struct amdgpu_device *adev = dev->dev_private;
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if (adev->flags & AMD_IS_PX)
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return true;
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return false;
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}
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/*
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* MMIO register access helper functions.
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*/
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/**
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* amdgpu_mm_rreg - read a memory mapped IO register
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*
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* @adev: amdgpu_device pointer
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* @reg: dword aligned register offset
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* @acc_flags: access flags which require special behavior
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*
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* Returns the 32 bit value from the offset specified.
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*/
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uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg,
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uint32_t acc_flags)
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{
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uint32_t ret;
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if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && amdgpu_sriov_runtime(adev))
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return amdgpu_virt_kiq_rreg(adev, reg);
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if ((reg * 4) < adev->rmmio_size && !(acc_flags & AMDGPU_REGS_IDX))
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ret = readl(((void __iomem *)adev->rmmio) + (reg * 4));
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else {
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unsigned long flags;
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spin_lock_irqsave(&adev->mmio_idx_lock, flags);
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writel((reg * 4), ((void __iomem *)adev->rmmio) + (mmMM_INDEX * 4));
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ret = readl(((void __iomem *)adev->rmmio) + (mmMM_DATA * 4));
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spin_unlock_irqrestore(&adev->mmio_idx_lock, flags);
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}
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trace_amdgpu_mm_rreg(adev->pdev->device, reg, ret);
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return ret;
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}
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/*
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* MMIO register read with bytes helper functions
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* @offset:bytes offset from MMIO start
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*
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*/
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/**
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* amdgpu_mm_rreg8 - read a memory mapped IO register
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*
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* @adev: amdgpu_device pointer
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* @offset: byte aligned register offset
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*
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* Returns the 8 bit value from the offset specified.
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*/
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uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset) {
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if (offset < adev->rmmio_size)
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return (readb(adev->rmmio + offset));
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BUG();
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}
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/*
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* MMIO register write with bytes helper functions
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* @offset:bytes offset from MMIO start
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* @value: the value want to be written to the register
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*
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*/
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/**
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* amdgpu_mm_wreg8 - read a memory mapped IO register
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*
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* @adev: amdgpu_device pointer
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* @offset: byte aligned register offset
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* @value: 8 bit value to write
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*
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* Writes the value specified to the offset specified.
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*/
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void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value) {
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if (offset < adev->rmmio_size)
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writeb(value, adev->rmmio + offset);
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else
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BUG();
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}
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/**
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* amdgpu_mm_wreg - write to a memory mapped IO register
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*
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* @adev: amdgpu_device pointer
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* @reg: dword aligned register offset
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* @v: 32 bit value to write to the register
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* @acc_flags: access flags which require special behavior
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*
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* Writes the value specified to the offset specified.
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*/
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void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
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uint32_t acc_flags)
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{
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trace_amdgpu_mm_wreg(adev->pdev->device, reg, v);
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if (adev->asic_type >= CHIP_VEGA10 && reg == 0) {
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adev->last_mm_index = v;
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}
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if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && amdgpu_sriov_runtime(adev))
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return amdgpu_virt_kiq_wreg(adev, reg, v);
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if ((reg * 4) < adev->rmmio_size && !(acc_flags & AMDGPU_REGS_IDX))
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writel(v, ((void __iomem *)adev->rmmio) + (reg * 4));
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else {
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unsigned long flags;
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spin_lock_irqsave(&adev->mmio_idx_lock, flags);
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writel((reg * 4), ((void __iomem *)adev->rmmio) + (mmMM_INDEX * 4));
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writel(v, ((void __iomem *)adev->rmmio) + (mmMM_DATA * 4));
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spin_unlock_irqrestore(&adev->mmio_idx_lock, flags);
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}
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if (adev->asic_type >= CHIP_VEGA10 && reg == 1 && adev->last_mm_index == 0x5702C) {
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udelay(500);
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}
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}
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/**
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* amdgpu_io_rreg - read an IO register
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*
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* @adev: amdgpu_device pointer
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* @reg: dword aligned register offset
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*
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* Returns the 32 bit value from the offset specified.
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*/
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u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg)
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{
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if ((reg * 4) < adev->rio_mem_size)
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return ioread32(adev->rio_mem + (reg * 4));
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else {
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iowrite32((reg * 4), adev->rio_mem + (mmMM_INDEX * 4));
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return ioread32(adev->rio_mem + (mmMM_DATA * 4));
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}
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}
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/**
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* amdgpu_io_wreg - write to an IO register
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*
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* @adev: amdgpu_device pointer
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* @reg: dword aligned register offset
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* @v: 32 bit value to write to the register
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*
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* Writes the value specified to the offset specified.
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*/
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void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
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{
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if (adev->asic_type >= CHIP_VEGA10 && reg == 0) {
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adev->last_mm_index = v;
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}
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if ((reg * 4) < adev->rio_mem_size)
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iowrite32(v, adev->rio_mem + (reg * 4));
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else {
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iowrite32((reg * 4), adev->rio_mem + (mmMM_INDEX * 4));
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iowrite32(v, adev->rio_mem + (mmMM_DATA * 4));
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}
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if (adev->asic_type >= CHIP_VEGA10 && reg == 1 && adev->last_mm_index == 0x5702C) {
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udelay(500);
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}
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}
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/**
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* amdgpu_mm_rdoorbell - read a doorbell dword
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*
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* @adev: amdgpu_device pointer
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* @index: doorbell index
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*
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* Returns the value in the doorbell aperture at the
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* requested doorbell index (CIK).
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*/
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u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index)
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{
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if (index < adev->doorbell.num_doorbells) {
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return readl(adev->doorbell.ptr + index);
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} else {
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DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index);
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return 0;
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}
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}
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/**
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* amdgpu_mm_wdoorbell - write a doorbell dword
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*
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* @adev: amdgpu_device pointer
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* @index: doorbell index
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* @v: value to write
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*
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* Writes @v to the doorbell aperture at the
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* requested doorbell index (CIK).
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*/
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void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v)
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{
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if (index < adev->doorbell.num_doorbells) {
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writel(v, adev->doorbell.ptr + index);
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} else {
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DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index);
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}
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}
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/**
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* amdgpu_mm_rdoorbell64 - read a doorbell Qword
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*
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* @adev: amdgpu_device pointer
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* @index: doorbell index
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*
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* Returns the value in the doorbell aperture at the
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* requested doorbell index (VEGA10+).
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*/
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u64 amdgpu_mm_rdoorbell64(struct amdgpu_device *adev, u32 index)
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{
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if (index < adev->doorbell.num_doorbells) {
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return atomic64_read((atomic64_t *)(adev->doorbell.ptr + index));
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} else {
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DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index);
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return 0;
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}
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}
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/**
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* amdgpu_mm_wdoorbell64 - write a doorbell Qword
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*
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* @adev: amdgpu_device pointer
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* @index: doorbell index
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* @v: value to write
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*
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* Writes @v to the doorbell aperture at the
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* requested doorbell index (VEGA10+).
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*/
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void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v)
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{
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if (index < adev->doorbell.num_doorbells) {
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atomic64_set((atomic64_t *)(adev->doorbell.ptr + index), v);
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} else {
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DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index);
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}
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}
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/**
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* amdgpu_invalid_rreg - dummy reg read function
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*
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* @adev: amdgpu device pointer
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* @reg: offset of register
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*
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* Dummy register read function. Used for register blocks
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* that certain asics don't have (all asics).
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* Returns the value in the register.
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*/
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static uint32_t amdgpu_invalid_rreg(struct amdgpu_device *adev, uint32_t reg)
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{
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DRM_ERROR("Invalid callback to read register 0x%04X\n", reg);
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BUG();
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return 0;
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}
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/**
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* amdgpu_invalid_wreg - dummy reg write function
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*
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* @adev: amdgpu device pointer
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* @reg: offset of register
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* @v: value to write to the register
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*
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* Dummy register read function. Used for register blocks
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* that certain asics don't have (all asics).
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*/
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static void amdgpu_invalid_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v)
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{
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DRM_ERROR("Invalid callback to write register 0x%04X with 0x%08X\n",
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reg, v);
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BUG();
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}
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/**
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* amdgpu_block_invalid_rreg - dummy reg read function
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*
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* @adev: amdgpu device pointer
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* @block: offset of instance
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* @reg: offset of register
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*
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* Dummy register read function. Used for register blocks
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* that certain asics don't have (all asics).
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* Returns the value in the register.
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*/
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static uint32_t amdgpu_block_invalid_rreg(struct amdgpu_device *adev,
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uint32_t block, uint32_t reg)
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{
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DRM_ERROR("Invalid callback to read register 0x%04X in block 0x%04X\n",
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reg, block);
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BUG();
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return 0;
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}
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/**
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* amdgpu_block_invalid_wreg - dummy reg write function
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*
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* @adev: amdgpu device pointer
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* @block: offset of instance
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* @reg: offset of register
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* @v: value to write to the register
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*
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* Dummy register read function. Used for register blocks
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* that certain asics don't have (all asics).
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*/
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static void amdgpu_block_invalid_wreg(struct amdgpu_device *adev,
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uint32_t block,
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uint32_t reg, uint32_t v)
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{
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DRM_ERROR("Invalid block callback to write register 0x%04X in block 0x%04X with 0x%08X\n",
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reg, block, v);
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BUG();
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}
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/**
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* amdgpu_device_vram_scratch_init - allocate the VRAM scratch page
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*
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* @adev: amdgpu device pointer
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*
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* Allocates a scratch page of VRAM for use by various things in the
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* driver.
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*/
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static int amdgpu_device_vram_scratch_init(struct amdgpu_device *adev)
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{
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return amdgpu_bo_create_kernel(adev, AMDGPU_GPU_PAGE_SIZE,
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PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM,
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&adev->vram_scratch.robj,
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&adev->vram_scratch.gpu_addr,
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(void **)&adev->vram_scratch.ptr);
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}
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/**
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* amdgpu_device_vram_scratch_fini - Free the VRAM scratch page
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*
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* @adev: amdgpu device pointer
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*
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* Frees the VRAM scratch page.
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*/
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static void amdgpu_device_vram_scratch_fini(struct amdgpu_device *adev)
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{
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amdgpu_bo_free_kernel(&adev->vram_scratch.robj, NULL, NULL);
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}
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/**
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* amdgpu_device_program_register_sequence - program an array of registers.
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*
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* @adev: amdgpu_device pointer
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* @registers: pointer to the register array
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* @array_size: size of the register array
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*
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* Programs an array or registers with and and or masks.
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* This is a helper for setting golden registers.
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*/
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void amdgpu_device_program_register_sequence(struct amdgpu_device *adev,
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const u32 *registers,
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const u32 array_size)
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{
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u32 tmp, reg, and_mask, or_mask;
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int i;
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if (array_size % 3)
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return;
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for (i = 0; i < array_size; i +=3) {
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reg = registers[i + 0];
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and_mask = registers[i + 1];
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or_mask = registers[i + 2];
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if (and_mask == 0xffffffff) {
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tmp = or_mask;
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} else {
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tmp = RREG32(reg);
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tmp &= ~and_mask;
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tmp |= or_mask;
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}
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WREG32(reg, tmp);
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}
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}
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/**
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* amdgpu_device_pci_config_reset - reset the GPU
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|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Resets the GPU using the pci config reset sequence.
|
|
* Only applicable to asics prior to vega10.
|
|
*/
|
|
void amdgpu_device_pci_config_reset(struct amdgpu_device *adev)
|
|
{
|
|
pci_write_config_dword(adev->pdev, 0x7c, AMDGPU_ASIC_RESET_DATA);
|
|
}
|
|
|
|
/*
|
|
* GPU doorbell aperture helpers function.
|
|
*/
|
|
/**
|
|
* amdgpu_device_doorbell_init - Init doorbell driver information.
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Init doorbell driver information (CIK)
|
|
* Returns 0 on success, error on failure.
|
|
*/
|
|
static int amdgpu_device_doorbell_init(struct amdgpu_device *adev)
|
|
{
|
|
/* No doorbell on SI hardware generation */
|
|
if (adev->asic_type < CHIP_BONAIRE) {
|
|
adev->doorbell.base = 0;
|
|
adev->doorbell.size = 0;
|
|
adev->doorbell.num_doorbells = 0;
|
|
adev->doorbell.ptr = NULL;
|
|
return 0;
|
|
}
|
|
|
|
if (pci_resource_flags(adev->pdev, 2) & IORESOURCE_UNSET)
|
|
return -EINVAL;
|
|
|
|
/* doorbell bar mapping */
|
|
adev->doorbell.base = pci_resource_start(adev->pdev, 2);
|
|
adev->doorbell.size = pci_resource_len(adev->pdev, 2);
|
|
|
|
adev->doorbell.num_doorbells = min_t(u32, adev->doorbell.size / sizeof(u32),
|
|
AMDGPU_DOORBELL_MAX_ASSIGNMENT+1);
|
|
if (adev->doorbell.num_doorbells == 0)
|
|
return -EINVAL;
|
|
|
|
adev->doorbell.ptr = ioremap(adev->doorbell.base,
|
|
adev->doorbell.num_doorbells *
|
|
sizeof(u32));
|
|
if (adev->doorbell.ptr == NULL)
|
|
return -ENOMEM;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_doorbell_fini - Tear down doorbell driver information.
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Tear down doorbell driver information (CIK)
|
|
*/
|
|
static void amdgpu_device_doorbell_fini(struct amdgpu_device *adev)
|
|
{
|
|
iounmap(adev->doorbell.ptr);
|
|
adev->doorbell.ptr = NULL;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* amdgpu_device_wb_*()
|
|
* Writeback is the method by which the GPU updates special pages in memory
|
|
* with the status of certain GPU events (fences, ring pointers,etc.).
|
|
*/
|
|
|
|
/**
|
|
* amdgpu_device_wb_fini - Disable Writeback and free memory
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Disables Writeback and frees the Writeback memory (all asics).
|
|
* Used at driver shutdown.
|
|
*/
|
|
static void amdgpu_device_wb_fini(struct amdgpu_device *adev)
|
|
{
|
|
if (adev->wb.wb_obj) {
|
|
amdgpu_bo_free_kernel(&adev->wb.wb_obj,
|
|
&adev->wb.gpu_addr,
|
|
(void **)&adev->wb.wb);
|
|
adev->wb.wb_obj = NULL;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_wb_init- Init Writeback driver info and allocate memory
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Initializes writeback and allocates writeback memory (all asics).
|
|
* Used at driver startup.
|
|
* Returns 0 on success or an -error on failure.
|
|
*/
|
|
static int amdgpu_device_wb_init(struct amdgpu_device *adev)
|
|
{
|
|
int r;
|
|
|
|
if (adev->wb.wb_obj == NULL) {
|
|
/* AMDGPU_MAX_WB * sizeof(uint32_t) * 8 = AMDGPU_MAX_WB 256bit slots */
|
|
r = amdgpu_bo_create_kernel(adev, AMDGPU_MAX_WB * sizeof(uint32_t) * 8,
|
|
PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT,
|
|
&adev->wb.wb_obj, &adev->wb.gpu_addr,
|
|
(void **)&adev->wb.wb);
|
|
if (r) {
|
|
dev_warn(adev->dev, "(%d) create WB bo failed\n", r);
|
|
return r;
|
|
}
|
|
|
|
adev->wb.num_wb = AMDGPU_MAX_WB;
|
|
memset(&adev->wb.used, 0, sizeof(adev->wb.used));
|
|
|
|
/* clear wb memory */
|
|
memset((char *)adev->wb.wb, 0, AMDGPU_MAX_WB * sizeof(uint32_t) * 8);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_wb_get - Allocate a wb entry
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
* @wb: wb index
|
|
*
|
|
* Allocate a wb slot for use by the driver (all asics).
|
|
* Returns 0 on success or -EINVAL on failure.
|
|
*/
|
|
int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb)
|
|
{
|
|
unsigned long offset = find_first_zero_bit(adev->wb.used, adev->wb.num_wb);
|
|
|
|
if (offset < adev->wb.num_wb) {
|
|
__set_bit(offset, adev->wb.used);
|
|
*wb = offset << 3; /* convert to dw offset */
|
|
return 0;
|
|
} else {
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_wb_free - Free a wb entry
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
* @wb: wb index
|
|
*
|
|
* Free a wb slot allocated for use by the driver (all asics)
|
|
*/
|
|
void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb)
|
|
{
|
|
wb >>= 3;
|
|
if (wb < adev->wb.num_wb)
|
|
__clear_bit(wb, adev->wb.used);
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_vram_location - try to find VRAM location
|
|
*
|
|
* @adev: amdgpu device structure holding all necessary informations
|
|
* @mc: memory controller structure holding memory informations
|
|
* @base: base address at which to put VRAM
|
|
*
|
|
* Function will try to place VRAM at base address provided
|
|
* as parameter.
|
|
*/
|
|
void amdgpu_device_vram_location(struct amdgpu_device *adev,
|
|
struct amdgpu_gmc *mc, u64 base)
|
|
{
|
|
uint64_t limit = (uint64_t)amdgpu_vram_limit << 20;
|
|
|
|
mc->vram_start = base;
|
|
mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
|
|
if (limit && limit < mc->real_vram_size)
|
|
mc->real_vram_size = limit;
|
|
dev_info(adev->dev, "VRAM: %lluM 0x%016llX - 0x%016llX (%lluM used)\n",
|
|
mc->mc_vram_size >> 20, mc->vram_start,
|
|
mc->vram_end, mc->real_vram_size >> 20);
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_gart_location - try to find GART location
|
|
*
|
|
* @adev: amdgpu device structure holding all necessary informations
|
|
* @mc: memory controller structure holding memory informations
|
|
*
|
|
* Function will place try to place GART before or after VRAM.
|
|
*
|
|
* If GART size is bigger than space left then we ajust GART size.
|
|
* Thus function will never fails.
|
|
*/
|
|
void amdgpu_device_gart_location(struct amdgpu_device *adev,
|
|
struct amdgpu_gmc *mc)
|
|
{
|
|
u64 size_af, size_bf;
|
|
|
|
mc->gart_size += adev->pm.smu_prv_buffer_size;
|
|
|
|
size_af = adev->gmc.mc_mask - mc->vram_end;
|
|
size_bf = mc->vram_start;
|
|
if (size_bf > size_af) {
|
|
if (mc->gart_size > size_bf) {
|
|
dev_warn(adev->dev, "limiting GART\n");
|
|
mc->gart_size = size_bf;
|
|
}
|
|
mc->gart_start = 0;
|
|
} else {
|
|
if (mc->gart_size > size_af) {
|
|
dev_warn(adev->dev, "limiting GART\n");
|
|
mc->gart_size = size_af;
|
|
}
|
|
/* VCE doesn't like it when BOs cross a 4GB segment, so align
|
|
* the GART base on a 4GB boundary as well.
|
|
*/
|
|
mc->gart_start = ALIGN(mc->vram_end + 1, 0x100000000ULL);
|
|
}
|
|
mc->gart_end = mc->gart_start + mc->gart_size - 1;
|
|
dev_info(adev->dev, "GART: %lluM 0x%016llX - 0x%016llX\n",
|
|
mc->gart_size >> 20, mc->gart_start, mc->gart_end);
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_resize_fb_bar - try to resize FB BAR
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Try to resize FB BAR to make all VRAM CPU accessible. We try very hard not
|
|
* to fail, but if any of the BARs is not accessible after the size we abort
|
|
* driver loading by returning -ENODEV.
|
|
*/
|
|
int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev)
|
|
{
|
|
u64 space_needed = roundup_pow_of_two(adev->gmc.real_vram_size);
|
|
u32 rbar_size = order_base_2(((space_needed >> 20) | 1)) - 1;
|
|
struct pci_bus *root;
|
|
struct resource *res;
|
|
unsigned i;
|
|
u16 cmd;
|
|
int r;
|
|
|
|
/* Bypass for VF */
|
|
if (amdgpu_sriov_vf(adev))
|
|
return 0;
|
|
|
|
/* Check if the root BUS has 64bit memory resources */
|
|
root = adev->pdev->bus;
|
|
while (root->parent)
|
|
root = root->parent;
|
|
|
|
pci_bus_for_each_resource(root, res, i) {
|
|
if (res && res->flags & (IORESOURCE_MEM | IORESOURCE_MEM_64) &&
|
|
res->start > 0x100000000ull)
|
|
break;
|
|
}
|
|
|
|
/* Trying to resize is pointless without a root hub window above 4GB */
|
|
if (!res)
|
|
return 0;
|
|
|
|
/* Disable memory decoding while we change the BAR addresses and size */
|
|
pci_read_config_word(adev->pdev, PCI_COMMAND, &cmd);
|
|
pci_write_config_word(adev->pdev, PCI_COMMAND,
|
|
cmd & ~PCI_COMMAND_MEMORY);
|
|
|
|
/* Free the VRAM and doorbell BAR, we most likely need to move both. */
|
|
amdgpu_device_doorbell_fini(adev);
|
|
if (adev->asic_type >= CHIP_BONAIRE)
|
|
pci_release_resource(adev->pdev, 2);
|
|
|
|
pci_release_resource(adev->pdev, 0);
|
|
|
|
r = pci_resize_resource(adev->pdev, 0, rbar_size);
|
|
if (r == -ENOSPC)
|
|
DRM_INFO("Not enough PCI address space for a large BAR.");
|
|
else if (r && r != -ENOTSUPP)
|
|
DRM_ERROR("Problem resizing BAR0 (%d).", r);
|
|
|
|
pci_assign_unassigned_bus_resources(adev->pdev->bus);
|
|
|
|
/* When the doorbell or fb BAR isn't available we have no chance of
|
|
* using the device.
|
|
*/
|
|
r = amdgpu_device_doorbell_init(adev);
|
|
if (r || (pci_resource_flags(adev->pdev, 0) & IORESOURCE_UNSET))
|
|
return -ENODEV;
|
|
|
|
pci_write_config_word(adev->pdev, PCI_COMMAND, cmd);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* GPU helpers function.
|
|
*/
|
|
/**
|
|
* amdgpu_device_need_post - check if the hw need post or not
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Check if the asic has been initialized (all asics) at driver startup
|
|
* or post is needed if hw reset is performed.
|
|
* Returns true if need or false if not.
|
|
*/
|
|
bool amdgpu_device_need_post(struct amdgpu_device *adev)
|
|
{
|
|
uint32_t reg;
|
|
|
|
if (amdgpu_sriov_vf(adev))
|
|
return false;
|
|
|
|
if (amdgpu_passthrough(adev)) {
|
|
/* for FIJI: In whole GPU pass-through virtualization case, after VM reboot
|
|
* some old smc fw still need driver do vPost otherwise gpu hang, while
|
|
* those smc fw version above 22.15 doesn't have this flaw, so we force
|
|
* vpost executed for smc version below 22.15
|
|
*/
|
|
if (adev->asic_type == CHIP_FIJI) {
|
|
int err;
|
|
uint32_t fw_ver;
|
|
err = request_firmware(&adev->pm.fw, "amdgpu/fiji_smc.bin", adev->dev);
|
|
/* force vPost if error occured */
|
|
if (err)
|
|
return true;
|
|
|
|
fw_ver = *((uint32_t *)adev->pm.fw->data + 69);
|
|
if (fw_ver < 0x00160e00)
|
|
return true;
|
|
}
|
|
}
|
|
|
|
if (adev->has_hw_reset) {
|
|
adev->has_hw_reset = false;
|
|
return true;
|
|
}
|
|
|
|
/* bios scratch used on CIK+ */
|
|
if (adev->asic_type >= CHIP_BONAIRE)
|
|
return amdgpu_atombios_scratch_need_asic_init(adev);
|
|
|
|
/* check MEM_SIZE for older asics */
|
|
reg = amdgpu_asic_get_config_memsize(adev);
|
|
|
|
if ((reg != 0) && (reg != 0xffffffff))
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
/* if we get transitioned to only one device, take VGA back */
|
|
/**
|
|
* amdgpu_device_vga_set_decode - enable/disable vga decode
|
|
*
|
|
* @cookie: amdgpu_device pointer
|
|
* @state: enable/disable vga decode
|
|
*
|
|
* Enable/disable vga decode (all asics).
|
|
* Returns VGA resource flags.
|
|
*/
|
|
static unsigned int amdgpu_device_vga_set_decode(void *cookie, bool state)
|
|
{
|
|
struct amdgpu_device *adev = cookie;
|
|
amdgpu_asic_set_vga_state(adev, state);
|
|
if (state)
|
|
return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM |
|
|
VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
|
|
else
|
|
return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_check_block_size - validate the vm block size
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Validates the vm block size specified via module parameter.
|
|
* The vm block size defines number of bits in page table versus page directory,
|
|
* a page is 4KB so we have 12 bits offset, minimum 9 bits in the
|
|
* page table and the remaining bits are in the page directory.
|
|
*/
|
|
static void amdgpu_device_check_block_size(struct amdgpu_device *adev)
|
|
{
|
|
/* defines number of bits in page table versus page directory,
|
|
* a page is 4KB so we have 12 bits offset, minimum 9 bits in the
|
|
* page table and the remaining bits are in the page directory */
|
|
if (amdgpu_vm_block_size == -1)
|
|
return;
|
|
|
|
if (amdgpu_vm_block_size < 9) {
|
|
dev_warn(adev->dev, "VM page table size (%d) too small\n",
|
|
amdgpu_vm_block_size);
|
|
amdgpu_vm_block_size = -1;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_check_vm_size - validate the vm size
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Validates the vm size in GB specified via module parameter.
|
|
* The VM size is the size of the GPU virtual memory space in GB.
|
|
*/
|
|
static void amdgpu_device_check_vm_size(struct amdgpu_device *adev)
|
|
{
|
|
/* no need to check the default value */
|
|
if (amdgpu_vm_size == -1)
|
|
return;
|
|
|
|
if (amdgpu_vm_size < 1) {
|
|
dev_warn(adev->dev, "VM size (%d) too small, min is 1GB\n",
|
|
amdgpu_vm_size);
|
|
amdgpu_vm_size = -1;
|
|
}
|
|
}
|
|
|
|
static void amdgpu_device_check_smu_prv_buffer_size(struct amdgpu_device *adev)
|
|
{
|
|
struct sysinfo si;
|
|
bool is_os_64 = (sizeof(void *) == 8) ? true : false;
|
|
uint64_t total_memory;
|
|
uint64_t dram_size_seven_GB = 0x1B8000000;
|
|
uint64_t dram_size_three_GB = 0xB8000000;
|
|
|
|
if (amdgpu_smu_memory_pool_size == 0)
|
|
return;
|
|
|
|
if (!is_os_64) {
|
|
DRM_WARN("Not 64-bit OS, feature not supported\n");
|
|
goto def_value;
|
|
}
|
|
si_meminfo(&si);
|
|
total_memory = (uint64_t)si.totalram * si.mem_unit;
|
|
|
|
if ((amdgpu_smu_memory_pool_size == 1) ||
|
|
(amdgpu_smu_memory_pool_size == 2)) {
|
|
if (total_memory < dram_size_three_GB)
|
|
goto def_value1;
|
|
} else if ((amdgpu_smu_memory_pool_size == 4) ||
|
|
(amdgpu_smu_memory_pool_size == 8)) {
|
|
if (total_memory < dram_size_seven_GB)
|
|
goto def_value1;
|
|
} else {
|
|
DRM_WARN("Smu memory pool size not supported\n");
|
|
goto def_value;
|
|
}
|
|
adev->pm.smu_prv_buffer_size = amdgpu_smu_memory_pool_size << 28;
|
|
|
|
return;
|
|
|
|
def_value1:
|
|
DRM_WARN("No enough system memory\n");
|
|
def_value:
|
|
adev->pm.smu_prv_buffer_size = 0;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_check_arguments - validate module params
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Validates certain module parameters and updates
|
|
* the associated values used by the driver (all asics).
|
|
*/
|
|
static void amdgpu_device_check_arguments(struct amdgpu_device *adev)
|
|
{
|
|
if (amdgpu_sched_jobs < 4) {
|
|
dev_warn(adev->dev, "sched jobs (%d) must be at least 4\n",
|
|
amdgpu_sched_jobs);
|
|
amdgpu_sched_jobs = 4;
|
|
} else if (!is_power_of_2(amdgpu_sched_jobs)){
|
|
dev_warn(adev->dev, "sched jobs (%d) must be a power of 2\n",
|
|
amdgpu_sched_jobs);
|
|
amdgpu_sched_jobs = roundup_pow_of_two(amdgpu_sched_jobs);
|
|
}
|
|
|
|
if (amdgpu_gart_size != -1 && amdgpu_gart_size < 32) {
|
|
/* gart size must be greater or equal to 32M */
|
|
dev_warn(adev->dev, "gart size (%d) too small\n",
|
|
amdgpu_gart_size);
|
|
amdgpu_gart_size = -1;
|
|
}
|
|
|
|
if (amdgpu_gtt_size != -1 && amdgpu_gtt_size < 32) {
|
|
/* gtt size must be greater or equal to 32M */
|
|
dev_warn(adev->dev, "gtt size (%d) too small\n",
|
|
amdgpu_gtt_size);
|
|
amdgpu_gtt_size = -1;
|
|
}
|
|
|
|
/* valid range is between 4 and 9 inclusive */
|
|
if (amdgpu_vm_fragment_size != -1 &&
|
|
(amdgpu_vm_fragment_size > 9 || amdgpu_vm_fragment_size < 4)) {
|
|
dev_warn(adev->dev, "valid range is between 4 and 9\n");
|
|
amdgpu_vm_fragment_size = -1;
|
|
}
|
|
|
|
amdgpu_device_check_smu_prv_buffer_size(adev);
|
|
|
|
amdgpu_device_check_vm_size(adev);
|
|
|
|
amdgpu_device_check_block_size(adev);
|
|
|
|
if (amdgpu_vram_page_split != -1 && (amdgpu_vram_page_split < 16 ||
|
|
!is_power_of_2(amdgpu_vram_page_split))) {
|
|
dev_warn(adev->dev, "invalid VRAM page split (%d)\n",
|
|
amdgpu_vram_page_split);
|
|
amdgpu_vram_page_split = 1024;
|
|
}
|
|
|
|
if (amdgpu_lockup_timeout == 0) {
|
|
dev_warn(adev->dev, "lockup_timeout msut be > 0, adjusting to 10000\n");
|
|
amdgpu_lockup_timeout = 10000;
|
|
}
|
|
|
|
adev->firmware.load_type = amdgpu_ucode_get_load_type(adev, amdgpu_fw_load_type);
|
|
}
|
|
|
|
/**
|
|
* amdgpu_switcheroo_set_state - set switcheroo state
|
|
*
|
|
* @pdev: pci dev pointer
|
|
* @state: vga_switcheroo state
|
|
*
|
|
* Callback for the switcheroo driver. Suspends or resumes the
|
|
* the asics before or after it is powered up using ACPI methods.
|
|
*/
|
|
static void amdgpu_switcheroo_set_state(struct pci_dev *pdev, enum vga_switcheroo_state state)
|
|
{
|
|
struct drm_device *dev = pci_get_drvdata(pdev);
|
|
|
|
if (amdgpu_device_is_px(dev) && state == VGA_SWITCHEROO_OFF)
|
|
return;
|
|
|
|
if (state == VGA_SWITCHEROO_ON) {
|
|
pr_info("amdgpu: switched on\n");
|
|
/* don't suspend or resume card normally */
|
|
dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
|
|
|
|
amdgpu_device_resume(dev, true, true);
|
|
|
|
dev->switch_power_state = DRM_SWITCH_POWER_ON;
|
|
drm_kms_helper_poll_enable(dev);
|
|
} else {
|
|
pr_info("amdgpu: switched off\n");
|
|
drm_kms_helper_poll_disable(dev);
|
|
dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
|
|
amdgpu_device_suspend(dev, true, true);
|
|
dev->switch_power_state = DRM_SWITCH_POWER_OFF;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* amdgpu_switcheroo_can_switch - see if switcheroo state can change
|
|
*
|
|
* @pdev: pci dev pointer
|
|
*
|
|
* Callback for the switcheroo driver. Check of the switcheroo
|
|
* state can be changed.
|
|
* Returns true if the state can be changed, false if not.
|
|
*/
|
|
static bool amdgpu_switcheroo_can_switch(struct pci_dev *pdev)
|
|
{
|
|
struct drm_device *dev = pci_get_drvdata(pdev);
|
|
|
|
/*
|
|
* FIXME: open_count is protected by drm_global_mutex but that would lead to
|
|
* locking inversion with the driver load path. And the access here is
|
|
* completely racy anyway. So don't bother with locking for now.
|
|
*/
|
|
return dev->open_count == 0;
|
|
}
|
|
|
|
static const struct vga_switcheroo_client_ops amdgpu_switcheroo_ops = {
|
|
.set_gpu_state = amdgpu_switcheroo_set_state,
|
|
.reprobe = NULL,
|
|
.can_switch = amdgpu_switcheroo_can_switch,
|
|
};
|
|
|
|
/**
|
|
* amdgpu_device_ip_set_clockgating_state - set the CG state
|
|
*
|
|
* @dev: amdgpu_device pointer
|
|
* @block_type: Type of hardware IP (SMU, GFX, UVD, etc.)
|
|
* @state: clockgating state (gate or ungate)
|
|
*
|
|
* Sets the requested clockgating state for all instances of
|
|
* the hardware IP specified.
|
|
* Returns the error code from the last instance.
|
|
*/
|
|
int amdgpu_device_ip_set_clockgating_state(void *dev,
|
|
enum amd_ip_block_type block_type,
|
|
enum amd_clockgating_state state)
|
|
{
|
|
struct amdgpu_device *adev = dev;
|
|
int i, r = 0;
|
|
|
|
for (i = 0; i < adev->num_ip_blocks; i++) {
|
|
if (!adev->ip_blocks[i].status.valid)
|
|
continue;
|
|
if (adev->ip_blocks[i].version->type != block_type)
|
|
continue;
|
|
if (!adev->ip_blocks[i].version->funcs->set_clockgating_state)
|
|
continue;
|
|
r = adev->ip_blocks[i].version->funcs->set_clockgating_state(
|
|
(void *)adev, state);
|
|
if (r)
|
|
DRM_ERROR("set_clockgating_state of IP block <%s> failed %d\n",
|
|
adev->ip_blocks[i].version->funcs->name, r);
|
|
}
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_ip_set_powergating_state - set the PG state
|
|
*
|
|
* @dev: amdgpu_device pointer
|
|
* @block_type: Type of hardware IP (SMU, GFX, UVD, etc.)
|
|
* @state: powergating state (gate or ungate)
|
|
*
|
|
* Sets the requested powergating state for all instances of
|
|
* the hardware IP specified.
|
|
* Returns the error code from the last instance.
|
|
*/
|
|
int amdgpu_device_ip_set_powergating_state(void *dev,
|
|
enum amd_ip_block_type block_type,
|
|
enum amd_powergating_state state)
|
|
{
|
|
struct amdgpu_device *adev = dev;
|
|
int i, r = 0;
|
|
|
|
for (i = 0; i < adev->num_ip_blocks; i++) {
|
|
if (!adev->ip_blocks[i].status.valid)
|
|
continue;
|
|
if (adev->ip_blocks[i].version->type != block_type)
|
|
continue;
|
|
if (!adev->ip_blocks[i].version->funcs->set_powergating_state)
|
|
continue;
|
|
r = adev->ip_blocks[i].version->funcs->set_powergating_state(
|
|
(void *)adev, state);
|
|
if (r)
|
|
DRM_ERROR("set_powergating_state of IP block <%s> failed %d\n",
|
|
adev->ip_blocks[i].version->funcs->name, r);
|
|
}
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_ip_get_clockgating_state - get the CG state
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
* @flags: clockgating feature flags
|
|
*
|
|
* Walks the list of IPs on the device and updates the clockgating
|
|
* flags for each IP.
|
|
* Updates @flags with the feature flags for each hardware IP where
|
|
* clockgating is enabled.
|
|
*/
|
|
void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev,
|
|
u32 *flags)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < adev->num_ip_blocks; i++) {
|
|
if (!adev->ip_blocks[i].status.valid)
|
|
continue;
|
|
if (adev->ip_blocks[i].version->funcs->get_clockgating_state)
|
|
adev->ip_blocks[i].version->funcs->get_clockgating_state((void *)adev, flags);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_ip_wait_for_idle - wait for idle
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
* @block_type: Type of hardware IP (SMU, GFX, UVD, etc.)
|
|
*
|
|
* Waits for the request hardware IP to be idle.
|
|
* Returns 0 for success or a negative error code on failure.
|
|
*/
|
|
int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
|
|
enum amd_ip_block_type block_type)
|
|
{
|
|
int i, r;
|
|
|
|
for (i = 0; i < adev->num_ip_blocks; i++) {
|
|
if (!adev->ip_blocks[i].status.valid)
|
|
continue;
|
|
if (adev->ip_blocks[i].version->type == block_type) {
|
|
r = adev->ip_blocks[i].version->funcs->wait_for_idle((void *)adev);
|
|
if (r)
|
|
return r;
|
|
break;
|
|
}
|
|
}
|
|
return 0;
|
|
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_ip_is_idle - is the hardware IP idle
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
* @block_type: Type of hardware IP (SMU, GFX, UVD, etc.)
|
|
*
|
|
* Check if the hardware IP is idle or not.
|
|
* Returns true if it the IP is idle, false if not.
|
|
*/
|
|
bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev,
|
|
enum amd_ip_block_type block_type)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < adev->num_ip_blocks; i++) {
|
|
if (!adev->ip_blocks[i].status.valid)
|
|
continue;
|
|
if (adev->ip_blocks[i].version->type == block_type)
|
|
return adev->ip_blocks[i].version->funcs->is_idle((void *)adev);
|
|
}
|
|
return true;
|
|
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_ip_get_ip_block - get a hw IP pointer
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
* @type: Type of hardware IP (SMU, GFX, UVD, etc.)
|
|
*
|
|
* Returns a pointer to the hardware IP block structure
|
|
* if it exists for the asic, otherwise NULL.
|
|
*/
|
|
struct amdgpu_ip_block *
|
|
amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev,
|
|
enum amd_ip_block_type type)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < adev->num_ip_blocks; i++)
|
|
if (adev->ip_blocks[i].version->type == type)
|
|
return &adev->ip_blocks[i];
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_ip_block_version_cmp
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
* @type: enum amd_ip_block_type
|
|
* @major: major version
|
|
* @minor: minor version
|
|
*
|
|
* return 0 if equal or greater
|
|
* return 1 if smaller or the ip_block doesn't exist
|
|
*/
|
|
int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev,
|
|
enum amd_ip_block_type type,
|
|
u32 major, u32 minor)
|
|
{
|
|
struct amdgpu_ip_block *ip_block = amdgpu_device_ip_get_ip_block(adev, type);
|
|
|
|
if (ip_block && ((ip_block->version->major > major) ||
|
|
((ip_block->version->major == major) &&
|
|
(ip_block->version->minor >= minor))))
|
|
return 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_ip_block_add
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
* @ip_block_version: pointer to the IP to add
|
|
*
|
|
* Adds the IP block driver information to the collection of IPs
|
|
* on the asic.
|
|
*/
|
|
int amdgpu_device_ip_block_add(struct amdgpu_device *adev,
|
|
const struct amdgpu_ip_block_version *ip_block_version)
|
|
{
|
|
if (!ip_block_version)
|
|
return -EINVAL;
|
|
|
|
DRM_INFO("add ip block number %d <%s>\n", adev->num_ip_blocks,
|
|
ip_block_version->funcs->name);
|
|
|
|
adev->ip_blocks[adev->num_ip_blocks++].version = ip_block_version;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_enable_virtual_display - enable virtual display feature
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Enabled the virtual display feature if the user has enabled it via
|
|
* the module parameter virtual_display. This feature provides a virtual
|
|
* display hardware on headless boards or in virtualized environments.
|
|
* This function parses and validates the configuration string specified by
|
|
* the user and configues the virtual display configuration (number of
|
|
* virtual connectors, crtcs, etc.) specified.
|
|
*/
|
|
static void amdgpu_device_enable_virtual_display(struct amdgpu_device *adev)
|
|
{
|
|
adev->enable_virtual_display = false;
|
|
|
|
if (amdgpu_virtual_display) {
|
|
struct drm_device *ddev = adev->ddev;
|
|
const char *pci_address_name = pci_name(ddev->pdev);
|
|
char *pciaddstr, *pciaddstr_tmp, *pciaddname_tmp, *pciaddname;
|
|
|
|
pciaddstr = kstrdup(amdgpu_virtual_display, GFP_KERNEL);
|
|
pciaddstr_tmp = pciaddstr;
|
|
while ((pciaddname_tmp = strsep(&pciaddstr_tmp, ";"))) {
|
|
pciaddname = strsep(&pciaddname_tmp, ",");
|
|
if (!strcmp("all", pciaddname)
|
|
|| !strcmp(pci_address_name, pciaddname)) {
|
|
long num_crtc;
|
|
int res = -1;
|
|
|
|
adev->enable_virtual_display = true;
|
|
|
|
if (pciaddname_tmp)
|
|
res = kstrtol(pciaddname_tmp, 10,
|
|
&num_crtc);
|
|
|
|
if (!res) {
|
|
if (num_crtc < 1)
|
|
num_crtc = 1;
|
|
if (num_crtc > 6)
|
|
num_crtc = 6;
|
|
adev->mode_info.num_crtc = num_crtc;
|
|
} else {
|
|
adev->mode_info.num_crtc = 1;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
DRM_INFO("virtual display string:%s, %s:virtual_display:%d, num_crtc:%d\n",
|
|
amdgpu_virtual_display, pci_address_name,
|
|
adev->enable_virtual_display, adev->mode_info.num_crtc);
|
|
|
|
kfree(pciaddstr);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_parse_gpu_info_fw - parse gpu info firmware
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Parses the asic configuration parameters specified in the gpu info
|
|
* firmware and makes them availale to the driver for use in configuring
|
|
* the asic.
|
|
* Returns 0 on success, -EINVAL on failure.
|
|
*/
|
|
static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev)
|
|
{
|
|
const char *chip_name;
|
|
char fw_name[30];
|
|
int err;
|
|
const struct gpu_info_firmware_header_v1_0 *hdr;
|
|
|
|
adev->firmware.gpu_info_fw = NULL;
|
|
|
|
switch (adev->asic_type) {
|
|
case CHIP_TOPAZ:
|
|
case CHIP_TONGA:
|
|
case CHIP_FIJI:
|
|
case CHIP_POLARIS10:
|
|
case CHIP_POLARIS11:
|
|
case CHIP_POLARIS12:
|
|
case CHIP_VEGAM:
|
|
case CHIP_CARRIZO:
|
|
case CHIP_STONEY:
|
|
#ifdef CONFIG_DRM_AMDGPU_SI
|
|
case CHIP_VERDE:
|
|
case CHIP_TAHITI:
|
|
case CHIP_PITCAIRN:
|
|
case CHIP_OLAND:
|
|
case CHIP_HAINAN:
|
|
#endif
|
|
#ifdef CONFIG_DRM_AMDGPU_CIK
|
|
case CHIP_BONAIRE:
|
|
case CHIP_HAWAII:
|
|
case CHIP_KAVERI:
|
|
case CHIP_KABINI:
|
|
case CHIP_MULLINS:
|
|
#endif
|
|
case CHIP_VEGA20:
|
|
default:
|
|
return 0;
|
|
case CHIP_VEGA10:
|
|
chip_name = "vega10";
|
|
break;
|
|
case CHIP_VEGA12:
|
|
chip_name = "vega12";
|
|
break;
|
|
case CHIP_RAVEN:
|
|
chip_name = "raven";
|
|
break;
|
|
}
|
|
|
|
snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_gpu_info.bin", chip_name);
|
|
err = request_firmware(&adev->firmware.gpu_info_fw, fw_name, adev->dev);
|
|
if (err) {
|
|
dev_err(adev->dev,
|
|
"Failed to load gpu_info firmware \"%s\"\n",
|
|
fw_name);
|
|
goto out;
|
|
}
|
|
err = amdgpu_ucode_validate(adev->firmware.gpu_info_fw);
|
|
if (err) {
|
|
dev_err(adev->dev,
|
|
"Failed to validate gpu_info firmware \"%s\"\n",
|
|
fw_name);
|
|
goto out;
|
|
}
|
|
|
|
hdr = (const struct gpu_info_firmware_header_v1_0 *)adev->firmware.gpu_info_fw->data;
|
|
amdgpu_ucode_print_gpu_info_hdr(&hdr->header);
|
|
|
|
switch (hdr->version_major) {
|
|
case 1:
|
|
{
|
|
const struct gpu_info_firmware_v1_0 *gpu_info_fw =
|
|
(const struct gpu_info_firmware_v1_0 *)(adev->firmware.gpu_info_fw->data +
|
|
le32_to_cpu(hdr->header.ucode_array_offset_bytes));
|
|
|
|
adev->gfx.config.max_shader_engines = le32_to_cpu(gpu_info_fw->gc_num_se);
|
|
adev->gfx.config.max_cu_per_sh = le32_to_cpu(gpu_info_fw->gc_num_cu_per_sh);
|
|
adev->gfx.config.max_sh_per_se = le32_to_cpu(gpu_info_fw->gc_num_sh_per_se);
|
|
adev->gfx.config.max_backends_per_se = le32_to_cpu(gpu_info_fw->gc_num_rb_per_se);
|
|
adev->gfx.config.max_texture_channel_caches =
|
|
le32_to_cpu(gpu_info_fw->gc_num_tccs);
|
|
adev->gfx.config.max_gprs = le32_to_cpu(gpu_info_fw->gc_num_gprs);
|
|
adev->gfx.config.max_gs_threads = le32_to_cpu(gpu_info_fw->gc_num_max_gs_thds);
|
|
adev->gfx.config.gs_vgt_table_depth = le32_to_cpu(gpu_info_fw->gc_gs_table_depth);
|
|
adev->gfx.config.gs_prim_buffer_depth = le32_to_cpu(gpu_info_fw->gc_gsprim_buff_depth);
|
|
adev->gfx.config.double_offchip_lds_buf =
|
|
le32_to_cpu(gpu_info_fw->gc_double_offchip_lds_buffer);
|
|
adev->gfx.cu_info.wave_front_size = le32_to_cpu(gpu_info_fw->gc_wave_size);
|
|
adev->gfx.cu_info.max_waves_per_simd =
|
|
le32_to_cpu(gpu_info_fw->gc_max_waves_per_simd);
|
|
adev->gfx.cu_info.max_scratch_slots_per_cu =
|
|
le32_to_cpu(gpu_info_fw->gc_max_scratch_slots_per_cu);
|
|
adev->gfx.cu_info.lds_size = le32_to_cpu(gpu_info_fw->gc_lds_size);
|
|
break;
|
|
}
|
|
default:
|
|
dev_err(adev->dev,
|
|
"Unsupported gpu_info table %d\n", hdr->header.ucode_version);
|
|
err = -EINVAL;
|
|
goto out;
|
|
}
|
|
out:
|
|
return err;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_ip_early_init - run early init for hardware IPs
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Early initialization pass for hardware IPs. The hardware IPs that make
|
|
* up each asic are discovered each IP's early_init callback is run. This
|
|
* is the first stage in initializing the asic.
|
|
* Returns 0 on success, negative error code on failure.
|
|
*/
|
|
static int amdgpu_device_ip_early_init(struct amdgpu_device *adev)
|
|
{
|
|
int i, r;
|
|
|
|
amdgpu_device_enable_virtual_display(adev);
|
|
|
|
switch (adev->asic_type) {
|
|
case CHIP_TOPAZ:
|
|
case CHIP_TONGA:
|
|
case CHIP_FIJI:
|
|
case CHIP_POLARIS10:
|
|
case CHIP_POLARIS11:
|
|
case CHIP_POLARIS12:
|
|
case CHIP_VEGAM:
|
|
case CHIP_CARRIZO:
|
|
case CHIP_STONEY:
|
|
if (adev->asic_type == CHIP_CARRIZO || adev->asic_type == CHIP_STONEY)
|
|
adev->family = AMDGPU_FAMILY_CZ;
|
|
else
|
|
adev->family = AMDGPU_FAMILY_VI;
|
|
|
|
r = vi_set_ip_blocks(adev);
|
|
if (r)
|
|
return r;
|
|
break;
|
|
#ifdef CONFIG_DRM_AMDGPU_SI
|
|
case CHIP_VERDE:
|
|
case CHIP_TAHITI:
|
|
case CHIP_PITCAIRN:
|
|
case CHIP_OLAND:
|
|
case CHIP_HAINAN:
|
|
adev->family = AMDGPU_FAMILY_SI;
|
|
r = si_set_ip_blocks(adev);
|
|
if (r)
|
|
return r;
|
|
break;
|
|
#endif
|
|
#ifdef CONFIG_DRM_AMDGPU_CIK
|
|
case CHIP_BONAIRE:
|
|
case CHIP_HAWAII:
|
|
case CHIP_KAVERI:
|
|
case CHIP_KABINI:
|
|
case CHIP_MULLINS:
|
|
if ((adev->asic_type == CHIP_BONAIRE) || (adev->asic_type == CHIP_HAWAII))
|
|
adev->family = AMDGPU_FAMILY_CI;
|
|
else
|
|
adev->family = AMDGPU_FAMILY_KV;
|
|
|
|
r = cik_set_ip_blocks(adev);
|
|
if (r)
|
|
return r;
|
|
break;
|
|
#endif
|
|
case CHIP_VEGA10:
|
|
case CHIP_VEGA12:
|
|
case CHIP_VEGA20:
|
|
case CHIP_RAVEN:
|
|
if (adev->asic_type == CHIP_RAVEN)
|
|
adev->family = AMDGPU_FAMILY_RV;
|
|
else
|
|
adev->family = AMDGPU_FAMILY_AI;
|
|
|
|
r = soc15_set_ip_blocks(adev);
|
|
if (r)
|
|
return r;
|
|
break;
|
|
default:
|
|
/* FIXME: not supported yet */
|
|
return -EINVAL;
|
|
}
|
|
|
|
r = amdgpu_device_parse_gpu_info_fw(adev);
|
|
if (r)
|
|
return r;
|
|
|
|
amdgpu_amdkfd_device_probe(adev);
|
|
|
|
if (amdgpu_sriov_vf(adev)) {
|
|
r = amdgpu_virt_request_full_gpu(adev, true);
|
|
if (r)
|
|
return -EAGAIN;
|
|
}
|
|
|
|
adev->powerplay.pp_feature = amdgpu_pp_feature_mask;
|
|
|
|
for (i = 0; i < adev->num_ip_blocks; i++) {
|
|
if ((amdgpu_ip_block_mask & (1 << i)) == 0) {
|
|
DRM_ERROR("disabled ip block: %d <%s>\n",
|
|
i, adev->ip_blocks[i].version->funcs->name);
|
|
adev->ip_blocks[i].status.valid = false;
|
|
} else {
|
|
if (adev->ip_blocks[i].version->funcs->early_init) {
|
|
r = adev->ip_blocks[i].version->funcs->early_init((void *)adev);
|
|
if (r == -ENOENT) {
|
|
adev->ip_blocks[i].status.valid = false;
|
|
} else if (r) {
|
|
DRM_ERROR("early_init of IP block <%s> failed %d\n",
|
|
adev->ip_blocks[i].version->funcs->name, r);
|
|
return r;
|
|
} else {
|
|
adev->ip_blocks[i].status.valid = true;
|
|
}
|
|
} else {
|
|
adev->ip_blocks[i].status.valid = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
adev->cg_flags &= amdgpu_cg_mask;
|
|
adev->pg_flags &= amdgpu_pg_mask;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_ip_init - run init for hardware IPs
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Main initialization pass for hardware IPs. The list of all the hardware
|
|
* IPs that make up the asic is walked and the sw_init and hw_init callbacks
|
|
* are run. sw_init initializes the software state associated with each IP
|
|
* and hw_init initializes the hardware associated with each IP.
|
|
* Returns 0 on success, negative error code on failure.
|
|
*/
|
|
static int amdgpu_device_ip_init(struct amdgpu_device *adev)
|
|
{
|
|
int i, r;
|
|
|
|
for (i = 0; i < adev->num_ip_blocks; i++) {
|
|
if (!adev->ip_blocks[i].status.valid)
|
|
continue;
|
|
r = adev->ip_blocks[i].version->funcs->sw_init((void *)adev);
|
|
if (r) {
|
|
DRM_ERROR("sw_init of IP block <%s> failed %d\n",
|
|
adev->ip_blocks[i].version->funcs->name, r);
|
|
return r;
|
|
}
|
|
adev->ip_blocks[i].status.sw = true;
|
|
|
|
/* need to do gmc hw init early so we can allocate gpu mem */
|
|
if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) {
|
|
r = amdgpu_device_vram_scratch_init(adev);
|
|
if (r) {
|
|
DRM_ERROR("amdgpu_vram_scratch_init failed %d\n", r);
|
|
return r;
|
|
}
|
|
r = adev->ip_blocks[i].version->funcs->hw_init((void *)adev);
|
|
if (r) {
|
|
DRM_ERROR("hw_init %d failed %d\n", i, r);
|
|
return r;
|
|
}
|
|
r = amdgpu_device_wb_init(adev);
|
|
if (r) {
|
|
DRM_ERROR("amdgpu_device_wb_init failed %d\n", r);
|
|
return r;
|
|
}
|
|
adev->ip_blocks[i].status.hw = true;
|
|
|
|
/* right after GMC hw init, we create CSA */
|
|
if (amdgpu_sriov_vf(adev)) {
|
|
r = amdgpu_allocate_static_csa(adev);
|
|
if (r) {
|
|
DRM_ERROR("allocate CSA failed %d\n", r);
|
|
return r;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < adev->num_ip_blocks; i++) {
|
|
if (!adev->ip_blocks[i].status.sw)
|
|
continue;
|
|
if (adev->ip_blocks[i].status.hw)
|
|
continue;
|
|
r = adev->ip_blocks[i].version->funcs->hw_init((void *)adev);
|
|
if (r) {
|
|
DRM_ERROR("hw_init of IP block <%s> failed %d\n",
|
|
adev->ip_blocks[i].version->funcs->name, r);
|
|
return r;
|
|
}
|
|
adev->ip_blocks[i].status.hw = true;
|
|
}
|
|
|
|
amdgpu_amdkfd_device_init(adev);
|
|
|
|
if (amdgpu_sriov_vf(adev))
|
|
amdgpu_virt_release_full_gpu(adev, true);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_fill_reset_magic - writes reset magic to gart pointer
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Writes a reset magic value to the gart pointer in VRAM. The driver calls
|
|
* this function before a GPU reset. If the value is retained after a
|
|
* GPU reset, VRAM has not been lost. Some GPU resets may destry VRAM contents.
|
|
*/
|
|
static void amdgpu_device_fill_reset_magic(struct amdgpu_device *adev)
|
|
{
|
|
memcpy(adev->reset_magic, adev->gart.ptr, AMDGPU_RESET_MAGIC_NUM);
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_check_vram_lost - check if vram is valid
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Checks the reset magic value written to the gart pointer in VRAM.
|
|
* The driver calls this after a GPU reset to see if the contents of
|
|
* VRAM is lost or now.
|
|
* returns true if vram is lost, false if not.
|
|
*/
|
|
static bool amdgpu_device_check_vram_lost(struct amdgpu_device *adev)
|
|
{
|
|
return !!memcmp(adev->gart.ptr, adev->reset_magic,
|
|
AMDGPU_RESET_MAGIC_NUM);
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_ip_late_set_cg_state - late init for clockgating
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Late initialization pass enabling clockgating for hardware IPs.
|
|
* The list of all the hardware IPs that make up the asic is walked and the
|
|
* set_clockgating_state callbacks are run. This stage is run late
|
|
* in the init process.
|
|
* Returns 0 on success, negative error code on failure.
|
|
*/
|
|
static int amdgpu_device_ip_late_set_cg_state(struct amdgpu_device *adev)
|
|
{
|
|
int i = 0, r;
|
|
|
|
if (amdgpu_emu_mode == 1)
|
|
return 0;
|
|
|
|
for (i = 0; i < adev->num_ip_blocks; i++) {
|
|
if (!adev->ip_blocks[i].status.valid)
|
|
continue;
|
|
/* skip CG for VCE/UVD, it's handled specially */
|
|
if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD &&
|
|
adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE &&
|
|
adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCN &&
|
|
adev->ip_blocks[i].version->funcs->set_clockgating_state) {
|
|
/* enable clockgating to save power */
|
|
r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev,
|
|
AMD_CG_STATE_GATE);
|
|
if (r) {
|
|
DRM_ERROR("set_clockgating_state(gate) of IP block <%s> failed %d\n",
|
|
adev->ip_blocks[i].version->funcs->name, r);
|
|
return r;
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int amdgpu_device_ip_late_set_pg_state(struct amdgpu_device *adev)
|
|
{
|
|
int i = 0, r;
|
|
|
|
if (amdgpu_emu_mode == 1)
|
|
return 0;
|
|
|
|
for (i = 0; i < adev->num_ip_blocks; i++) {
|
|
if (!adev->ip_blocks[i].status.valid)
|
|
continue;
|
|
/* skip CG for VCE/UVD, it's handled specially */
|
|
if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD &&
|
|
adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE &&
|
|
adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCN &&
|
|
adev->ip_blocks[i].version->funcs->set_powergating_state) {
|
|
/* enable powergating to save power */
|
|
r = adev->ip_blocks[i].version->funcs->set_powergating_state((void *)adev,
|
|
AMD_PG_STATE_GATE);
|
|
if (r) {
|
|
DRM_ERROR("set_powergating_state(gate) of IP block <%s> failed %d\n",
|
|
adev->ip_blocks[i].version->funcs->name, r);
|
|
return r;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_ip_late_init - run late init for hardware IPs
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Late initialization pass for hardware IPs. The list of all the hardware
|
|
* IPs that make up the asic is walked and the late_init callbacks are run.
|
|
* late_init covers any special initialization that an IP requires
|
|
* after all of the have been initialized or something that needs to happen
|
|
* late in the init process.
|
|
* Returns 0 on success, negative error code on failure.
|
|
*/
|
|
static int amdgpu_device_ip_late_init(struct amdgpu_device *adev)
|
|
{
|
|
int i = 0, r;
|
|
|
|
for (i = 0; i < adev->num_ip_blocks; i++) {
|
|
if (!adev->ip_blocks[i].status.valid)
|
|
continue;
|
|
if (adev->ip_blocks[i].version->funcs->late_init) {
|
|
r = adev->ip_blocks[i].version->funcs->late_init((void *)adev);
|
|
if (r) {
|
|
DRM_ERROR("late_init of IP block <%s> failed %d\n",
|
|
adev->ip_blocks[i].version->funcs->name, r);
|
|
return r;
|
|
}
|
|
adev->ip_blocks[i].status.late_initialized = true;
|
|
}
|
|
}
|
|
|
|
amdgpu_device_ip_late_set_cg_state(adev);
|
|
amdgpu_device_ip_late_set_pg_state(adev);
|
|
|
|
queue_delayed_work(system_wq, &adev->late_init_work,
|
|
msecs_to_jiffies(AMDGPU_RESUME_MS));
|
|
|
|
amdgpu_device_fill_reset_magic(adev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_ip_fini - run fini for hardware IPs
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Main teardown pass for hardware IPs. The list of all the hardware
|
|
* IPs that make up the asic is walked and the hw_fini and sw_fini callbacks
|
|
* are run. hw_fini tears down the hardware associated with each IP
|
|
* and sw_fini tears down any software state associated with each IP.
|
|
* Returns 0 on success, negative error code on failure.
|
|
*/
|
|
static int amdgpu_device_ip_fini(struct amdgpu_device *adev)
|
|
{
|
|
int i, r;
|
|
|
|
amdgpu_amdkfd_device_fini(adev);
|
|
/* need to disable SMC first */
|
|
for (i = 0; i < adev->num_ip_blocks; i++) {
|
|
if (!adev->ip_blocks[i].status.hw)
|
|
continue;
|
|
if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC &&
|
|
adev->ip_blocks[i].version->funcs->set_clockgating_state) {
|
|
/* ungate blocks before hw fini so that we can shutdown the blocks safely */
|
|
r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev,
|
|
AMD_CG_STATE_UNGATE);
|
|
if (r) {
|
|
DRM_ERROR("set_clockgating_state(ungate) of IP block <%s> failed %d\n",
|
|
adev->ip_blocks[i].version->funcs->name, r);
|
|
return r;
|
|
}
|
|
if (adev->powerplay.pp_funcs->set_powergating_by_smu)
|
|
amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, false);
|
|
r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev);
|
|
/* XXX handle errors */
|
|
if (r) {
|
|
DRM_DEBUG("hw_fini of IP block <%s> failed %d\n",
|
|
adev->ip_blocks[i].version->funcs->name, r);
|
|
}
|
|
adev->ip_blocks[i].status.hw = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
for (i = adev->num_ip_blocks - 1; i >= 0; i--) {
|
|
if (!adev->ip_blocks[i].status.hw)
|
|
continue;
|
|
|
|
if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD &&
|
|
adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE &&
|
|
adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCN &&
|
|
adev->ip_blocks[i].version->funcs->set_clockgating_state) {
|
|
/* ungate blocks before hw fini so that we can shutdown the blocks safely */
|
|
r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev,
|
|
AMD_CG_STATE_UNGATE);
|
|
if (r) {
|
|
DRM_ERROR("set_clockgating_state(ungate) of IP block <%s> failed %d\n",
|
|
adev->ip_blocks[i].version->funcs->name, r);
|
|
return r;
|
|
}
|
|
}
|
|
|
|
r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev);
|
|
/* XXX handle errors */
|
|
if (r) {
|
|
DRM_DEBUG("hw_fini of IP block <%s> failed %d\n",
|
|
adev->ip_blocks[i].version->funcs->name, r);
|
|
}
|
|
|
|
adev->ip_blocks[i].status.hw = false;
|
|
}
|
|
|
|
|
|
for (i = adev->num_ip_blocks - 1; i >= 0; i--) {
|
|
if (!adev->ip_blocks[i].status.sw)
|
|
continue;
|
|
|
|
if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) {
|
|
amdgpu_free_static_csa(adev);
|
|
amdgpu_device_wb_fini(adev);
|
|
amdgpu_device_vram_scratch_fini(adev);
|
|
}
|
|
|
|
r = adev->ip_blocks[i].version->funcs->sw_fini((void *)adev);
|
|
/* XXX handle errors */
|
|
if (r) {
|
|
DRM_DEBUG("sw_fini of IP block <%s> failed %d\n",
|
|
adev->ip_blocks[i].version->funcs->name, r);
|
|
}
|
|
adev->ip_blocks[i].status.sw = false;
|
|
adev->ip_blocks[i].status.valid = false;
|
|
}
|
|
|
|
for (i = adev->num_ip_blocks - 1; i >= 0; i--) {
|
|
if (!adev->ip_blocks[i].status.late_initialized)
|
|
continue;
|
|
if (adev->ip_blocks[i].version->funcs->late_fini)
|
|
adev->ip_blocks[i].version->funcs->late_fini((void *)adev);
|
|
adev->ip_blocks[i].status.late_initialized = false;
|
|
}
|
|
|
|
if (amdgpu_sriov_vf(adev))
|
|
if (amdgpu_virt_release_full_gpu(adev, false))
|
|
DRM_ERROR("failed to release exclusive mode on fini\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_ip_late_init_func_handler - work handler for clockgating
|
|
*
|
|
* @work: work_struct
|
|
*
|
|
* Work handler for amdgpu_device_ip_late_set_cg_state. We put the
|
|
* clockgating setup into a worker thread to speed up driver init and
|
|
* resume from suspend.
|
|
*/
|
|
static void amdgpu_device_ip_late_init_func_handler(struct work_struct *work)
|
|
{
|
|
struct amdgpu_device *adev =
|
|
container_of(work, struct amdgpu_device, late_init_work.work);
|
|
int r;
|
|
|
|
r = amdgpu_ib_ring_tests(adev);
|
|
if (r)
|
|
DRM_ERROR("ib ring test failed (%d).\n", r);
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_ip_suspend_phase1 - run suspend for hardware IPs (phase 1)
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Main suspend function for hardware IPs. The list of all the hardware
|
|
* IPs that make up the asic is walked, clockgating is disabled and the
|
|
* suspend callbacks are run. suspend puts the hardware and software state
|
|
* in each IP into a state suitable for suspend.
|
|
* Returns 0 on success, negative error code on failure.
|
|
*/
|
|
static int amdgpu_device_ip_suspend_phase1(struct amdgpu_device *adev)
|
|
{
|
|
int i, r;
|
|
|
|
if (amdgpu_sriov_vf(adev))
|
|
amdgpu_virt_request_full_gpu(adev, false);
|
|
|
|
for (i = adev->num_ip_blocks - 1; i >= 0; i--) {
|
|
if (!adev->ip_blocks[i].status.valid)
|
|
continue;
|
|
/* displays are handled separately */
|
|
if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE) {
|
|
/* ungate blocks so that suspend can properly shut them down */
|
|
if (adev->ip_blocks[i].version->funcs->set_clockgating_state) {
|
|
r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev,
|
|
AMD_CG_STATE_UNGATE);
|
|
if (r) {
|
|
DRM_ERROR("set_clockgating_state(ungate) of IP block <%s> failed %d\n",
|
|
adev->ip_blocks[i].version->funcs->name, r);
|
|
}
|
|
}
|
|
/* XXX handle errors */
|
|
r = adev->ip_blocks[i].version->funcs->suspend(adev);
|
|
/* XXX handle errors */
|
|
if (r) {
|
|
DRM_ERROR("suspend of IP block <%s> failed %d\n",
|
|
adev->ip_blocks[i].version->funcs->name, r);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (amdgpu_sriov_vf(adev))
|
|
amdgpu_virt_release_full_gpu(adev, false);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_ip_suspend_phase2 - run suspend for hardware IPs (phase 2)
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Main suspend function for hardware IPs. The list of all the hardware
|
|
* IPs that make up the asic is walked, clockgating is disabled and the
|
|
* suspend callbacks are run. suspend puts the hardware and software state
|
|
* in each IP into a state suitable for suspend.
|
|
* Returns 0 on success, negative error code on failure.
|
|
*/
|
|
static int amdgpu_device_ip_suspend_phase2(struct amdgpu_device *adev)
|
|
{
|
|
int i, r;
|
|
|
|
if (amdgpu_sriov_vf(adev))
|
|
amdgpu_virt_request_full_gpu(adev, false);
|
|
|
|
/* ungate SMC block first */
|
|
r = amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_SMC,
|
|
AMD_CG_STATE_UNGATE);
|
|
if (r) {
|
|
DRM_ERROR("set_clockgating_state(ungate) SMC failed %d\n", r);
|
|
}
|
|
|
|
/* call smu to disable gfx off feature first when suspend */
|
|
if (adev->powerplay.pp_funcs->set_powergating_by_smu)
|
|
amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, false);
|
|
|
|
for (i = adev->num_ip_blocks - 1; i >= 0; i--) {
|
|
if (!adev->ip_blocks[i].status.valid)
|
|
continue;
|
|
/* displays are handled in phase1 */
|
|
if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE)
|
|
continue;
|
|
/* ungate blocks so that suspend can properly shut them down */
|
|
if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_SMC &&
|
|
adev->ip_blocks[i].version->funcs->set_clockgating_state) {
|
|
r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev,
|
|
AMD_CG_STATE_UNGATE);
|
|
if (r) {
|
|
DRM_ERROR("set_clockgating_state(ungate) of IP block <%s> failed %d\n",
|
|
adev->ip_blocks[i].version->funcs->name, r);
|
|
}
|
|
}
|
|
/* XXX handle errors */
|
|
r = adev->ip_blocks[i].version->funcs->suspend(adev);
|
|
/* XXX handle errors */
|
|
if (r) {
|
|
DRM_ERROR("suspend of IP block <%s> failed %d\n",
|
|
adev->ip_blocks[i].version->funcs->name, r);
|
|
}
|
|
}
|
|
|
|
if (amdgpu_sriov_vf(adev))
|
|
amdgpu_virt_release_full_gpu(adev, false);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_ip_suspend - run suspend for hardware IPs
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Main suspend function for hardware IPs. The list of all the hardware
|
|
* IPs that make up the asic is walked, clockgating is disabled and the
|
|
* suspend callbacks are run. suspend puts the hardware and software state
|
|
* in each IP into a state suitable for suspend.
|
|
* Returns 0 on success, negative error code on failure.
|
|
*/
|
|
int amdgpu_device_ip_suspend(struct amdgpu_device *adev)
|
|
{
|
|
int r;
|
|
|
|
r = amdgpu_device_ip_suspend_phase1(adev);
|
|
if (r)
|
|
return r;
|
|
r = amdgpu_device_ip_suspend_phase2(adev);
|
|
|
|
return r;
|
|
}
|
|
|
|
static int amdgpu_device_ip_reinit_early_sriov(struct amdgpu_device *adev)
|
|
{
|
|
int i, r;
|
|
|
|
static enum amd_ip_block_type ip_order[] = {
|
|
AMD_IP_BLOCK_TYPE_GMC,
|
|
AMD_IP_BLOCK_TYPE_COMMON,
|
|
AMD_IP_BLOCK_TYPE_IH,
|
|
};
|
|
|
|
for (i = 0; i < ARRAY_SIZE(ip_order); i++) {
|
|
int j;
|
|
struct amdgpu_ip_block *block;
|
|
|
|
for (j = 0; j < adev->num_ip_blocks; j++) {
|
|
block = &adev->ip_blocks[j];
|
|
|
|
if (block->version->type != ip_order[i] ||
|
|
!block->status.valid)
|
|
continue;
|
|
|
|
r = block->version->funcs->hw_init(adev);
|
|
DRM_INFO("RE-INIT: %s %s\n", block->version->funcs->name, r?"failed":"succeeded");
|
|
if (r)
|
|
return r;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int amdgpu_device_ip_reinit_late_sriov(struct amdgpu_device *adev)
|
|
{
|
|
int i, r;
|
|
|
|
static enum amd_ip_block_type ip_order[] = {
|
|
AMD_IP_BLOCK_TYPE_SMC,
|
|
AMD_IP_BLOCK_TYPE_PSP,
|
|
AMD_IP_BLOCK_TYPE_DCE,
|
|
AMD_IP_BLOCK_TYPE_GFX,
|
|
AMD_IP_BLOCK_TYPE_SDMA,
|
|
AMD_IP_BLOCK_TYPE_UVD,
|
|
AMD_IP_BLOCK_TYPE_VCE
|
|
};
|
|
|
|
for (i = 0; i < ARRAY_SIZE(ip_order); i++) {
|
|
int j;
|
|
struct amdgpu_ip_block *block;
|
|
|
|
for (j = 0; j < adev->num_ip_blocks; j++) {
|
|
block = &adev->ip_blocks[j];
|
|
|
|
if (block->version->type != ip_order[i] ||
|
|
!block->status.valid)
|
|
continue;
|
|
|
|
r = block->version->funcs->hw_init(adev);
|
|
DRM_INFO("RE-INIT: %s %s\n", block->version->funcs->name, r?"failed":"succeeded");
|
|
if (r)
|
|
return r;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_ip_resume_phase1 - run resume for hardware IPs
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* First resume function for hardware IPs. The list of all the hardware
|
|
* IPs that make up the asic is walked and the resume callbacks are run for
|
|
* COMMON, GMC, and IH. resume puts the hardware into a functional state
|
|
* after a suspend and updates the software state as necessary. This
|
|
* function is also used for restoring the GPU after a GPU reset.
|
|
* Returns 0 on success, negative error code on failure.
|
|
*/
|
|
static int amdgpu_device_ip_resume_phase1(struct amdgpu_device *adev)
|
|
{
|
|
int i, r;
|
|
|
|
for (i = 0; i < adev->num_ip_blocks; i++) {
|
|
if (!adev->ip_blocks[i].status.valid)
|
|
continue;
|
|
if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON ||
|
|
adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC ||
|
|
adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH) {
|
|
r = adev->ip_blocks[i].version->funcs->resume(adev);
|
|
if (r) {
|
|
DRM_ERROR("resume of IP block <%s> failed %d\n",
|
|
adev->ip_blocks[i].version->funcs->name, r);
|
|
return r;
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_ip_resume_phase2 - run resume for hardware IPs
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* First resume function for hardware IPs. The list of all the hardware
|
|
* IPs that make up the asic is walked and the resume callbacks are run for
|
|
* all blocks except COMMON, GMC, and IH. resume puts the hardware into a
|
|
* functional state after a suspend and updates the software state as
|
|
* necessary. This function is also used for restoring the GPU after a GPU
|
|
* reset.
|
|
* Returns 0 on success, negative error code on failure.
|
|
*/
|
|
static int amdgpu_device_ip_resume_phase2(struct amdgpu_device *adev)
|
|
{
|
|
int i, r;
|
|
|
|
for (i = 0; i < adev->num_ip_blocks; i++) {
|
|
if (!adev->ip_blocks[i].status.valid)
|
|
continue;
|
|
if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON ||
|
|
adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC ||
|
|
adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH)
|
|
continue;
|
|
r = adev->ip_blocks[i].version->funcs->resume(adev);
|
|
if (r) {
|
|
DRM_ERROR("resume of IP block <%s> failed %d\n",
|
|
adev->ip_blocks[i].version->funcs->name, r);
|
|
return r;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_ip_resume - run resume for hardware IPs
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Main resume function for hardware IPs. The hardware IPs
|
|
* are split into two resume functions because they are
|
|
* are also used in in recovering from a GPU reset and some additional
|
|
* steps need to be take between them. In this case (S3/S4) they are
|
|
* run sequentially.
|
|
* Returns 0 on success, negative error code on failure.
|
|
*/
|
|
static int amdgpu_device_ip_resume(struct amdgpu_device *adev)
|
|
{
|
|
int r;
|
|
|
|
r = amdgpu_device_ip_resume_phase1(adev);
|
|
if (r)
|
|
return r;
|
|
r = amdgpu_device_ip_resume_phase2(adev);
|
|
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_detect_sriov_bios - determine if the board supports SR-IOV
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Query the VBIOS data tables to determine if the board supports SR-IOV.
|
|
*/
|
|
static void amdgpu_device_detect_sriov_bios(struct amdgpu_device *adev)
|
|
{
|
|
if (amdgpu_sriov_vf(adev)) {
|
|
if (adev->is_atom_fw) {
|
|
if (amdgpu_atomfirmware_gpu_supports_virtualization(adev))
|
|
adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS;
|
|
} else {
|
|
if (amdgpu_atombios_has_gpu_virtualization_table(adev))
|
|
adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS;
|
|
}
|
|
|
|
if (!(adev->virt.caps & AMDGPU_SRIOV_CAPS_SRIOV_VBIOS))
|
|
amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_NO_VBIOS, 0, 0);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_asic_has_dc_support - determine if DC supports the asic
|
|
*
|
|
* @asic_type: AMD asic type
|
|
*
|
|
* Check if there is DC (new modesetting infrastructre) support for an asic.
|
|
* returns true if DC has support, false if not.
|
|
*/
|
|
bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type)
|
|
{
|
|
switch (asic_type) {
|
|
#if defined(CONFIG_DRM_AMD_DC)
|
|
case CHIP_BONAIRE:
|
|
case CHIP_KAVERI:
|
|
case CHIP_KABINI:
|
|
case CHIP_MULLINS:
|
|
/*
|
|
* We have systems in the wild with these ASICs that require
|
|
* LVDS and VGA support which is not supported with DC.
|
|
*
|
|
* Fallback to the non-DC driver here by default so as not to
|
|
* cause regressions.
|
|
*/
|
|
return amdgpu_dc > 0;
|
|
case CHIP_HAWAII:
|
|
case CHIP_CARRIZO:
|
|
case CHIP_STONEY:
|
|
case CHIP_POLARIS10:
|
|
case CHIP_POLARIS11:
|
|
case CHIP_POLARIS12:
|
|
case CHIP_VEGAM:
|
|
case CHIP_TONGA:
|
|
case CHIP_FIJI:
|
|
case CHIP_VEGA10:
|
|
case CHIP_VEGA12:
|
|
case CHIP_VEGA20:
|
|
#ifdef CONFIG_X86
|
|
case CHIP_RAVEN:
|
|
#endif
|
|
return amdgpu_dc != 0;
|
|
#endif
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_has_dc_support - check if dc is supported
|
|
*
|
|
* @adev: amdgpu_device_pointer
|
|
*
|
|
* Returns true for supported, false for not supported
|
|
*/
|
|
bool amdgpu_device_has_dc_support(struct amdgpu_device *adev)
|
|
{
|
|
if (amdgpu_sriov_vf(adev))
|
|
return false;
|
|
|
|
return amdgpu_device_asic_has_dc_support(adev->asic_type);
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_init - initialize the driver
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
* @ddev: drm dev pointer
|
|
* @pdev: pci dev pointer
|
|
* @flags: driver flags
|
|
*
|
|
* Initializes the driver info and hw (all asics).
|
|
* Returns 0 for success or an error on failure.
|
|
* Called at driver startup.
|
|
*/
|
|
int amdgpu_device_init(struct amdgpu_device *adev,
|
|
struct drm_device *ddev,
|
|
struct pci_dev *pdev,
|
|
uint32_t flags)
|
|
{
|
|
int r, i;
|
|
bool runtime = false;
|
|
u32 max_MBps;
|
|
|
|
adev->shutdown = false;
|
|
adev->dev = &pdev->dev;
|
|
adev->ddev = ddev;
|
|
adev->pdev = pdev;
|
|
adev->flags = flags;
|
|
adev->asic_type = flags & AMD_ASIC_MASK;
|
|
adev->usec_timeout = AMDGPU_MAX_USEC_TIMEOUT;
|
|
if (amdgpu_emu_mode == 1)
|
|
adev->usec_timeout *= 2;
|
|
adev->gmc.gart_size = 512 * 1024 * 1024;
|
|
adev->accel_working = false;
|
|
adev->num_rings = 0;
|
|
adev->mman.buffer_funcs = NULL;
|
|
adev->mman.buffer_funcs_ring = NULL;
|
|
adev->vm_manager.vm_pte_funcs = NULL;
|
|
adev->vm_manager.vm_pte_num_rings = 0;
|
|
adev->gmc.gmc_funcs = NULL;
|
|
adev->fence_context = dma_fence_context_alloc(AMDGPU_MAX_RINGS);
|
|
bitmap_zero(adev->gfx.pipe_reserve_bitmap, AMDGPU_MAX_COMPUTE_QUEUES);
|
|
|
|
adev->smc_rreg = &amdgpu_invalid_rreg;
|
|
adev->smc_wreg = &amdgpu_invalid_wreg;
|
|
adev->pcie_rreg = &amdgpu_invalid_rreg;
|
|
adev->pcie_wreg = &amdgpu_invalid_wreg;
|
|
adev->pciep_rreg = &amdgpu_invalid_rreg;
|
|
adev->pciep_wreg = &amdgpu_invalid_wreg;
|
|
adev->uvd_ctx_rreg = &amdgpu_invalid_rreg;
|
|
adev->uvd_ctx_wreg = &amdgpu_invalid_wreg;
|
|
adev->didt_rreg = &amdgpu_invalid_rreg;
|
|
adev->didt_wreg = &amdgpu_invalid_wreg;
|
|
adev->gc_cac_rreg = &amdgpu_invalid_rreg;
|
|
adev->gc_cac_wreg = &amdgpu_invalid_wreg;
|
|
adev->audio_endpt_rreg = &amdgpu_block_invalid_rreg;
|
|
adev->audio_endpt_wreg = &amdgpu_block_invalid_wreg;
|
|
|
|
DRM_INFO("initializing kernel modesetting (%s 0x%04X:0x%04X 0x%04X:0x%04X 0x%02X).\n",
|
|
amdgpu_asic_name[adev->asic_type], pdev->vendor, pdev->device,
|
|
pdev->subsystem_vendor, pdev->subsystem_device, pdev->revision);
|
|
|
|
/* mutex initialization are all done here so we
|
|
* can recall function without having locking issues */
|
|
atomic_set(&adev->irq.ih.lock, 0);
|
|
mutex_init(&adev->firmware.mutex);
|
|
mutex_init(&adev->pm.mutex);
|
|
mutex_init(&adev->gfx.gpu_clock_mutex);
|
|
mutex_init(&adev->srbm_mutex);
|
|
mutex_init(&adev->gfx.pipe_reserve_mutex);
|
|
mutex_init(&adev->grbm_idx_mutex);
|
|
mutex_init(&adev->mn_lock);
|
|
mutex_init(&adev->virt.vf_errors.lock);
|
|
hash_init(adev->mn_hash);
|
|
mutex_init(&adev->lock_reset);
|
|
|
|
amdgpu_device_check_arguments(adev);
|
|
|
|
spin_lock_init(&adev->mmio_idx_lock);
|
|
spin_lock_init(&adev->smc_idx_lock);
|
|
spin_lock_init(&adev->pcie_idx_lock);
|
|
spin_lock_init(&adev->uvd_ctx_idx_lock);
|
|
spin_lock_init(&adev->didt_idx_lock);
|
|
spin_lock_init(&adev->gc_cac_idx_lock);
|
|
spin_lock_init(&adev->se_cac_idx_lock);
|
|
spin_lock_init(&adev->audio_endpt_idx_lock);
|
|
spin_lock_init(&adev->mm_stats.lock);
|
|
|
|
INIT_LIST_HEAD(&adev->shadow_list);
|
|
mutex_init(&adev->shadow_list_lock);
|
|
|
|
INIT_LIST_HEAD(&adev->ring_lru_list);
|
|
spin_lock_init(&adev->ring_lru_list_lock);
|
|
|
|
INIT_DELAYED_WORK(&adev->late_init_work,
|
|
amdgpu_device_ip_late_init_func_handler);
|
|
|
|
adev->pm.ac_power = power_supply_is_system_supplied() > 0 ? true : false;
|
|
|
|
/* Registers mapping */
|
|
/* TODO: block userspace mapping of io register */
|
|
if (adev->asic_type >= CHIP_BONAIRE) {
|
|
adev->rmmio_base = pci_resource_start(adev->pdev, 5);
|
|
adev->rmmio_size = pci_resource_len(adev->pdev, 5);
|
|
} else {
|
|
adev->rmmio_base = pci_resource_start(adev->pdev, 2);
|
|
adev->rmmio_size = pci_resource_len(adev->pdev, 2);
|
|
}
|
|
|
|
adev->rmmio = ioremap(adev->rmmio_base, adev->rmmio_size);
|
|
if (adev->rmmio == NULL) {
|
|
return -ENOMEM;
|
|
}
|
|
DRM_INFO("register mmio base: 0x%08X\n", (uint32_t)adev->rmmio_base);
|
|
DRM_INFO("register mmio size: %u\n", (unsigned)adev->rmmio_size);
|
|
|
|
/* doorbell bar mapping */
|
|
amdgpu_device_doorbell_init(adev);
|
|
|
|
/* io port mapping */
|
|
for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
|
|
if (pci_resource_flags(adev->pdev, i) & IORESOURCE_IO) {
|
|
adev->rio_mem_size = pci_resource_len(adev->pdev, i);
|
|
adev->rio_mem = pci_iomap(adev->pdev, i, adev->rio_mem_size);
|
|
break;
|
|
}
|
|
}
|
|
if (adev->rio_mem == NULL)
|
|
DRM_INFO("PCI I/O BAR is not found.\n");
|
|
|
|
amdgpu_device_get_pcie_info(adev);
|
|
|
|
/* early init functions */
|
|
r = amdgpu_device_ip_early_init(adev);
|
|
if (r)
|
|
return r;
|
|
|
|
/* if we have > 1 VGA cards, then disable the amdgpu VGA resources */
|
|
/* this will fail for cards that aren't VGA class devices, just
|
|
* ignore it */
|
|
vga_client_register(adev->pdev, adev, NULL, amdgpu_device_vga_set_decode);
|
|
|
|
if (amdgpu_device_is_px(ddev))
|
|
runtime = true;
|
|
if (!pci_is_thunderbolt_attached(adev->pdev))
|
|
vga_switcheroo_register_client(adev->pdev,
|
|
&amdgpu_switcheroo_ops, runtime);
|
|
if (runtime)
|
|
vga_switcheroo_init_domain_pm_ops(adev->dev, &adev->vga_pm_domain);
|
|
|
|
if (amdgpu_emu_mode == 1) {
|
|
/* post the asic on emulation mode */
|
|
emu_soc_asic_init(adev);
|
|
goto fence_driver_init;
|
|
}
|
|
|
|
/* Read BIOS */
|
|
if (!amdgpu_get_bios(adev)) {
|
|
r = -EINVAL;
|
|
goto failed;
|
|
}
|
|
|
|
r = amdgpu_atombios_init(adev);
|
|
if (r) {
|
|
dev_err(adev->dev, "amdgpu_atombios_init failed\n");
|
|
amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_INIT_FAIL, 0, 0);
|
|
goto failed;
|
|
}
|
|
|
|
/* detect if we are with an SRIOV vbios */
|
|
amdgpu_device_detect_sriov_bios(adev);
|
|
|
|
/* Post card if necessary */
|
|
if (amdgpu_device_need_post(adev)) {
|
|
if (!adev->bios) {
|
|
dev_err(adev->dev, "no vBIOS found\n");
|
|
r = -EINVAL;
|
|
goto failed;
|
|
}
|
|
DRM_INFO("GPU posting now...\n");
|
|
r = amdgpu_atom_asic_init(adev->mode_info.atom_context);
|
|
if (r) {
|
|
dev_err(adev->dev, "gpu post error!\n");
|
|
goto failed;
|
|
}
|
|
}
|
|
|
|
if (adev->is_atom_fw) {
|
|
/* Initialize clocks */
|
|
r = amdgpu_atomfirmware_get_clock_info(adev);
|
|
if (r) {
|
|
dev_err(adev->dev, "amdgpu_atomfirmware_get_clock_info failed\n");
|
|
amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_GET_CLOCK_FAIL, 0, 0);
|
|
goto failed;
|
|
}
|
|
} else {
|
|
/* Initialize clocks */
|
|
r = amdgpu_atombios_get_clock_info(adev);
|
|
if (r) {
|
|
dev_err(adev->dev, "amdgpu_atombios_get_clock_info failed\n");
|
|
amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_GET_CLOCK_FAIL, 0, 0);
|
|
goto failed;
|
|
}
|
|
/* init i2c buses */
|
|
if (!amdgpu_device_has_dc_support(adev))
|
|
amdgpu_atombios_i2c_init(adev);
|
|
}
|
|
|
|
fence_driver_init:
|
|
/* Fence driver */
|
|
r = amdgpu_fence_driver_init(adev);
|
|
if (r) {
|
|
dev_err(adev->dev, "amdgpu_fence_driver_init failed\n");
|
|
amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_FENCE_INIT_FAIL, 0, 0);
|
|
goto failed;
|
|
}
|
|
|
|
/* init the mode config */
|
|
drm_mode_config_init(adev->ddev);
|
|
|
|
r = amdgpu_device_ip_init(adev);
|
|
if (r) {
|
|
/* failed in exclusive mode due to timeout */
|
|
if (amdgpu_sriov_vf(adev) &&
|
|
!amdgpu_sriov_runtime(adev) &&
|
|
amdgpu_virt_mmio_blocked(adev) &&
|
|
!amdgpu_virt_wait_reset(adev)) {
|
|
dev_err(adev->dev, "VF exclusive mode timeout\n");
|
|
/* Don't send request since VF is inactive. */
|
|
adev->virt.caps &= ~AMDGPU_SRIOV_CAPS_RUNTIME;
|
|
adev->virt.ops = NULL;
|
|
r = -EAGAIN;
|
|
goto failed;
|
|
}
|
|
dev_err(adev->dev, "amdgpu_device_ip_init failed\n");
|
|
amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_AMDGPU_INIT_FAIL, 0, 0);
|
|
goto failed;
|
|
}
|
|
|
|
adev->accel_working = true;
|
|
|
|
amdgpu_vm_check_compute_bug(adev);
|
|
|
|
/* Initialize the buffer migration limit. */
|
|
if (amdgpu_moverate >= 0)
|
|
max_MBps = amdgpu_moverate;
|
|
else
|
|
max_MBps = 8; /* Allow 8 MB/s. */
|
|
/* Get a log2 for easy divisions. */
|
|
adev->mm_stats.log2_max_MBps = ilog2(max(1u, max_MBps));
|
|
|
|
r = amdgpu_ib_pool_init(adev);
|
|
if (r) {
|
|
dev_err(adev->dev, "IB initialization failed (%d).\n", r);
|
|
amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_IB_INIT_FAIL, 0, r);
|
|
goto failed;
|
|
}
|
|
|
|
if (amdgpu_sriov_vf(adev))
|
|
amdgpu_virt_init_data_exchange(adev);
|
|
|
|
amdgpu_fbdev_init(adev);
|
|
|
|
r = amdgpu_pm_sysfs_init(adev);
|
|
if (r)
|
|
DRM_ERROR("registering pm debugfs failed (%d).\n", r);
|
|
|
|
r = amdgpu_debugfs_gem_init(adev);
|
|
if (r)
|
|
DRM_ERROR("registering gem debugfs failed (%d).\n", r);
|
|
|
|
r = amdgpu_debugfs_regs_init(adev);
|
|
if (r)
|
|
DRM_ERROR("registering register debugfs failed (%d).\n", r);
|
|
|
|
r = amdgpu_debugfs_firmware_init(adev);
|
|
if (r)
|
|
DRM_ERROR("registering firmware debugfs failed (%d).\n", r);
|
|
|
|
r = amdgpu_debugfs_init(adev);
|
|
if (r)
|
|
DRM_ERROR("Creating debugfs files failed (%d).\n", r);
|
|
|
|
if ((amdgpu_testing & 1)) {
|
|
if (adev->accel_working)
|
|
amdgpu_test_moves(adev);
|
|
else
|
|
DRM_INFO("amdgpu: acceleration disabled, skipping move tests\n");
|
|
}
|
|
if (amdgpu_benchmarking) {
|
|
if (adev->accel_working)
|
|
amdgpu_benchmark(adev, amdgpu_benchmarking);
|
|
else
|
|
DRM_INFO("amdgpu: acceleration disabled, skipping benchmarks\n");
|
|
}
|
|
|
|
/* enable clockgating, etc. after ib tests, etc. since some blocks require
|
|
* explicit gating rather than handling it automatically.
|
|
*/
|
|
r = amdgpu_device_ip_late_init(adev);
|
|
if (r) {
|
|
dev_err(adev->dev, "amdgpu_device_ip_late_init failed\n");
|
|
amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_AMDGPU_LATE_INIT_FAIL, 0, r);
|
|
goto failed;
|
|
}
|
|
|
|
return 0;
|
|
|
|
failed:
|
|
amdgpu_vf_error_trans_all(adev);
|
|
if (runtime)
|
|
vga_switcheroo_fini_domain_pm_ops(adev->dev);
|
|
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_fini - tear down the driver
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Tear down the driver info (all asics).
|
|
* Called at driver shutdown.
|
|
*/
|
|
void amdgpu_device_fini(struct amdgpu_device *adev)
|
|
{
|
|
int r;
|
|
|
|
DRM_INFO("amdgpu: finishing device.\n");
|
|
adev->shutdown = true;
|
|
/* disable all interrupts */
|
|
amdgpu_irq_disable_all(adev);
|
|
if (adev->mode_info.mode_config_initialized){
|
|
if (!amdgpu_device_has_dc_support(adev))
|
|
drm_crtc_force_disable_all(adev->ddev);
|
|
else
|
|
drm_atomic_helper_shutdown(adev->ddev);
|
|
}
|
|
amdgpu_ib_pool_fini(adev);
|
|
amdgpu_fence_driver_fini(adev);
|
|
amdgpu_pm_sysfs_fini(adev);
|
|
amdgpu_fbdev_fini(adev);
|
|
r = amdgpu_device_ip_fini(adev);
|
|
if (adev->firmware.gpu_info_fw) {
|
|
release_firmware(adev->firmware.gpu_info_fw);
|
|
adev->firmware.gpu_info_fw = NULL;
|
|
}
|
|
adev->accel_working = false;
|
|
cancel_delayed_work_sync(&adev->late_init_work);
|
|
/* free i2c buses */
|
|
if (!amdgpu_device_has_dc_support(adev))
|
|
amdgpu_i2c_fini(adev);
|
|
|
|
if (amdgpu_emu_mode != 1)
|
|
amdgpu_atombios_fini(adev);
|
|
|
|
kfree(adev->bios);
|
|
adev->bios = NULL;
|
|
if (!pci_is_thunderbolt_attached(adev->pdev))
|
|
vga_switcheroo_unregister_client(adev->pdev);
|
|
if (adev->flags & AMD_IS_PX)
|
|
vga_switcheroo_fini_domain_pm_ops(adev->dev);
|
|
vga_client_register(adev->pdev, NULL, NULL, NULL);
|
|
if (adev->rio_mem)
|
|
pci_iounmap(adev->pdev, adev->rio_mem);
|
|
adev->rio_mem = NULL;
|
|
iounmap(adev->rmmio);
|
|
adev->rmmio = NULL;
|
|
amdgpu_device_doorbell_fini(adev);
|
|
amdgpu_debugfs_regs_cleanup(adev);
|
|
}
|
|
|
|
|
|
/*
|
|
* Suspend & resume.
|
|
*/
|
|
/**
|
|
* amdgpu_device_suspend - initiate device suspend
|
|
*
|
|
* @dev: drm dev pointer
|
|
* @suspend: suspend state
|
|
* @fbcon : notify the fbdev of suspend
|
|
*
|
|
* Puts the hw in the suspend state (all asics).
|
|
* Returns 0 for success or an error on failure.
|
|
* Called at driver suspend.
|
|
*/
|
|
int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon)
|
|
{
|
|
struct amdgpu_device *adev;
|
|
struct drm_crtc *crtc;
|
|
struct drm_connector *connector;
|
|
int r;
|
|
|
|
if (dev == NULL || dev->dev_private == NULL) {
|
|
return -ENODEV;
|
|
}
|
|
|
|
adev = dev->dev_private;
|
|
|
|
if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
|
|
return 0;
|
|
|
|
drm_kms_helper_poll_disable(dev);
|
|
|
|
if (fbcon)
|
|
amdgpu_fbdev_set_suspend(adev, 1);
|
|
|
|
if (!amdgpu_device_has_dc_support(adev)) {
|
|
/* turn off display hw */
|
|
drm_modeset_lock_all(dev);
|
|
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
|
|
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
|
|
}
|
|
drm_modeset_unlock_all(dev);
|
|
/* unpin the front buffers and cursors */
|
|
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
|
|
struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
|
|
struct drm_framebuffer *fb = crtc->primary->fb;
|
|
struct amdgpu_bo *robj;
|
|
|
|
if (amdgpu_crtc->cursor_bo) {
|
|
struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
|
|
r = amdgpu_bo_reserve(aobj, true);
|
|
if (r == 0) {
|
|
amdgpu_bo_unpin(aobj);
|
|
amdgpu_bo_unreserve(aobj);
|
|
}
|
|
}
|
|
|
|
if (fb == NULL || fb->obj[0] == NULL) {
|
|
continue;
|
|
}
|
|
robj = gem_to_amdgpu_bo(fb->obj[0]);
|
|
/* don't unpin kernel fb objects */
|
|
if (!amdgpu_fbdev_robj_is_fb(adev, robj)) {
|
|
r = amdgpu_bo_reserve(robj, true);
|
|
if (r == 0) {
|
|
amdgpu_bo_unpin(robj);
|
|
amdgpu_bo_unreserve(robj);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
amdgpu_amdkfd_suspend(adev);
|
|
|
|
r = amdgpu_device_ip_suspend_phase1(adev);
|
|
|
|
/* evict vram memory */
|
|
amdgpu_bo_evict_vram(adev);
|
|
|
|
amdgpu_fence_driver_suspend(adev);
|
|
|
|
r = amdgpu_device_ip_suspend_phase2(adev);
|
|
|
|
/* evict remaining vram memory
|
|
* This second call to evict vram is to evict the gart page table
|
|
* using the CPU.
|
|
*/
|
|
amdgpu_bo_evict_vram(adev);
|
|
|
|
pci_save_state(dev->pdev);
|
|
if (suspend) {
|
|
/* Shut down the device */
|
|
pci_disable_device(dev->pdev);
|
|
pci_set_power_state(dev->pdev, PCI_D3hot);
|
|
} else {
|
|
r = amdgpu_asic_reset(adev);
|
|
if (r)
|
|
DRM_ERROR("amdgpu asic reset failed\n");
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_resume - initiate device resume
|
|
*
|
|
* @dev: drm dev pointer
|
|
* @resume: resume state
|
|
* @fbcon : notify the fbdev of resume
|
|
*
|
|
* Bring the hw back to operating state (all asics).
|
|
* Returns 0 for success or an error on failure.
|
|
* Called at driver resume.
|
|
*/
|
|
int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon)
|
|
{
|
|
struct drm_connector *connector;
|
|
struct amdgpu_device *adev = dev->dev_private;
|
|
struct drm_crtc *crtc;
|
|
int r = 0;
|
|
|
|
if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
|
|
return 0;
|
|
|
|
if (resume) {
|
|
pci_set_power_state(dev->pdev, PCI_D0);
|
|
pci_restore_state(dev->pdev);
|
|
r = pci_enable_device(dev->pdev);
|
|
if (r)
|
|
return r;
|
|
}
|
|
|
|
/* post card */
|
|
if (amdgpu_device_need_post(adev)) {
|
|
r = amdgpu_atom_asic_init(adev->mode_info.atom_context);
|
|
if (r)
|
|
DRM_ERROR("amdgpu asic init failed\n");
|
|
}
|
|
|
|
r = amdgpu_device_ip_resume(adev);
|
|
if (r) {
|
|
DRM_ERROR("amdgpu_device_ip_resume failed (%d).\n", r);
|
|
return r;
|
|
}
|
|
amdgpu_fence_driver_resume(adev);
|
|
|
|
|
|
r = amdgpu_device_ip_late_init(adev);
|
|
if (r)
|
|
return r;
|
|
|
|
if (!amdgpu_device_has_dc_support(adev)) {
|
|
/* pin cursors */
|
|
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
|
|
struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
|
|
|
|
if (amdgpu_crtc->cursor_bo) {
|
|
struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
|
|
r = amdgpu_bo_reserve(aobj, true);
|
|
if (r == 0) {
|
|
r = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
|
|
if (r != 0)
|
|
DRM_ERROR("Failed to pin cursor BO (%d)\n", r);
|
|
amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
|
|
amdgpu_bo_unreserve(aobj);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
r = amdgpu_amdkfd_resume(adev);
|
|
if (r)
|
|
return r;
|
|
|
|
/* blat the mode back in */
|
|
if (fbcon) {
|
|
if (!amdgpu_device_has_dc_support(adev)) {
|
|
/* pre DCE11 */
|
|
drm_helper_resume_force_mode(dev);
|
|
|
|
/* turn on display hw */
|
|
drm_modeset_lock_all(dev);
|
|
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
|
|
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
|
|
}
|
|
drm_modeset_unlock_all(dev);
|
|
}
|
|
amdgpu_fbdev_set_suspend(adev, 0);
|
|
}
|
|
|
|
drm_kms_helper_poll_enable(dev);
|
|
|
|
/*
|
|
* Most of the connector probing functions try to acquire runtime pm
|
|
* refs to ensure that the GPU is powered on when connector polling is
|
|
* performed. Since we're calling this from a runtime PM callback,
|
|
* trying to acquire rpm refs will cause us to deadlock.
|
|
*
|
|
* Since we're guaranteed to be holding the rpm lock, it's safe to
|
|
* temporarily disable the rpm helpers so this doesn't deadlock us.
|
|
*/
|
|
#ifdef CONFIG_PM
|
|
dev->dev->power.disable_depth++;
|
|
#endif
|
|
if (!amdgpu_device_has_dc_support(adev))
|
|
drm_helper_hpd_irq_event(dev);
|
|
else
|
|
drm_kms_helper_hotplug_event(dev);
|
|
#ifdef CONFIG_PM
|
|
dev->dev->power.disable_depth--;
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_ip_check_soft_reset - did soft reset succeed
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* The list of all the hardware IPs that make up the asic is walked and
|
|
* the check_soft_reset callbacks are run. check_soft_reset determines
|
|
* if the asic is still hung or not.
|
|
* Returns true if any of the IPs are still in a hung state, false if not.
|
|
*/
|
|
static bool amdgpu_device_ip_check_soft_reset(struct amdgpu_device *adev)
|
|
{
|
|
int i;
|
|
bool asic_hang = false;
|
|
|
|
if (amdgpu_sriov_vf(adev))
|
|
return true;
|
|
|
|
if (amdgpu_asic_need_full_reset(adev))
|
|
return true;
|
|
|
|
for (i = 0; i < adev->num_ip_blocks; i++) {
|
|
if (!adev->ip_blocks[i].status.valid)
|
|
continue;
|
|
if (adev->ip_blocks[i].version->funcs->check_soft_reset)
|
|
adev->ip_blocks[i].status.hang =
|
|
adev->ip_blocks[i].version->funcs->check_soft_reset(adev);
|
|
if (adev->ip_blocks[i].status.hang) {
|
|
DRM_INFO("IP block:%s is hung!\n", adev->ip_blocks[i].version->funcs->name);
|
|
asic_hang = true;
|
|
}
|
|
}
|
|
return asic_hang;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_ip_pre_soft_reset - prepare for soft reset
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* The list of all the hardware IPs that make up the asic is walked and the
|
|
* pre_soft_reset callbacks are run if the block is hung. pre_soft_reset
|
|
* handles any IP specific hardware or software state changes that are
|
|
* necessary for a soft reset to succeed.
|
|
* Returns 0 on success, negative error code on failure.
|
|
*/
|
|
static int amdgpu_device_ip_pre_soft_reset(struct amdgpu_device *adev)
|
|
{
|
|
int i, r = 0;
|
|
|
|
for (i = 0; i < adev->num_ip_blocks; i++) {
|
|
if (!adev->ip_blocks[i].status.valid)
|
|
continue;
|
|
if (adev->ip_blocks[i].status.hang &&
|
|
adev->ip_blocks[i].version->funcs->pre_soft_reset) {
|
|
r = adev->ip_blocks[i].version->funcs->pre_soft_reset(adev);
|
|
if (r)
|
|
return r;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_ip_need_full_reset - check if a full asic reset is needed
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Some hardware IPs cannot be soft reset. If they are hung, a full gpu
|
|
* reset is necessary to recover.
|
|
* Returns true if a full asic reset is required, false if not.
|
|
*/
|
|
static bool amdgpu_device_ip_need_full_reset(struct amdgpu_device *adev)
|
|
{
|
|
int i;
|
|
|
|
if (amdgpu_asic_need_full_reset(adev))
|
|
return true;
|
|
|
|
for (i = 0; i < adev->num_ip_blocks; i++) {
|
|
if (!adev->ip_blocks[i].status.valid)
|
|
continue;
|
|
if ((adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) ||
|
|
(adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) ||
|
|
(adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_ACP) ||
|
|
(adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE) ||
|
|
adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) {
|
|
if (adev->ip_blocks[i].status.hang) {
|
|
DRM_INFO("Some block need full reset!\n");
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_ip_soft_reset - do a soft reset
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* The list of all the hardware IPs that make up the asic is walked and the
|
|
* soft_reset callbacks are run if the block is hung. soft_reset handles any
|
|
* IP specific hardware or software state changes that are necessary to soft
|
|
* reset the IP.
|
|
* Returns 0 on success, negative error code on failure.
|
|
*/
|
|
static int amdgpu_device_ip_soft_reset(struct amdgpu_device *adev)
|
|
{
|
|
int i, r = 0;
|
|
|
|
for (i = 0; i < adev->num_ip_blocks; i++) {
|
|
if (!adev->ip_blocks[i].status.valid)
|
|
continue;
|
|
if (adev->ip_blocks[i].status.hang &&
|
|
adev->ip_blocks[i].version->funcs->soft_reset) {
|
|
r = adev->ip_blocks[i].version->funcs->soft_reset(adev);
|
|
if (r)
|
|
return r;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_ip_post_soft_reset - clean up from soft reset
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* The list of all the hardware IPs that make up the asic is walked and the
|
|
* post_soft_reset callbacks are run if the asic was hung. post_soft_reset
|
|
* handles any IP specific hardware or software state changes that are
|
|
* necessary after the IP has been soft reset.
|
|
* Returns 0 on success, negative error code on failure.
|
|
*/
|
|
static int amdgpu_device_ip_post_soft_reset(struct amdgpu_device *adev)
|
|
{
|
|
int i, r = 0;
|
|
|
|
for (i = 0; i < adev->num_ip_blocks; i++) {
|
|
if (!adev->ip_blocks[i].status.valid)
|
|
continue;
|
|
if (adev->ip_blocks[i].status.hang &&
|
|
adev->ip_blocks[i].version->funcs->post_soft_reset)
|
|
r = adev->ip_blocks[i].version->funcs->post_soft_reset(adev);
|
|
if (r)
|
|
return r;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_recover_vram_from_shadow - restore shadowed VRAM buffers
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
* @ring: amdgpu_ring for the engine handling the buffer operations
|
|
* @bo: amdgpu_bo buffer whose shadow is being restored
|
|
* @fence: dma_fence associated with the operation
|
|
*
|
|
* Restores the VRAM buffer contents from the shadow in GTT. Used to
|
|
* restore things like GPUVM page tables after a GPU reset where
|
|
* the contents of VRAM might be lost.
|
|
* Returns 0 on success, negative error code on failure.
|
|
*/
|
|
static int amdgpu_device_recover_vram_from_shadow(struct amdgpu_device *adev,
|
|
struct amdgpu_ring *ring,
|
|
struct amdgpu_bo *bo,
|
|
struct dma_fence **fence)
|
|
{
|
|
uint32_t domain;
|
|
int r;
|
|
|
|
if (!bo->shadow)
|
|
return 0;
|
|
|
|
r = amdgpu_bo_reserve(bo, true);
|
|
if (r)
|
|
return r;
|
|
domain = amdgpu_mem_type_to_domain(bo->tbo.mem.mem_type);
|
|
/* if bo has been evicted, then no need to recover */
|
|
if (domain == AMDGPU_GEM_DOMAIN_VRAM) {
|
|
r = amdgpu_bo_validate(bo->shadow);
|
|
if (r) {
|
|
DRM_ERROR("bo validate failed!\n");
|
|
goto err;
|
|
}
|
|
|
|
r = amdgpu_bo_restore_from_shadow(adev, ring, bo,
|
|
NULL, fence, true);
|
|
if (r) {
|
|
DRM_ERROR("recover page table failed!\n");
|
|
goto err;
|
|
}
|
|
}
|
|
err:
|
|
amdgpu_bo_unreserve(bo);
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_handle_vram_lost - Handle the loss of VRAM contents
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Restores the contents of VRAM buffers from the shadows in GTT. Used to
|
|
* restore things like GPUVM page tables after a GPU reset where
|
|
* the contents of VRAM might be lost.
|
|
* Returns 0 on success, 1 on failure.
|
|
*/
|
|
static int amdgpu_device_handle_vram_lost(struct amdgpu_device *adev)
|
|
{
|
|
struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
|
|
struct amdgpu_bo *bo, *tmp;
|
|
struct dma_fence *fence = NULL, *next = NULL;
|
|
long r = 1;
|
|
int i = 0;
|
|
long tmo;
|
|
|
|
if (amdgpu_sriov_runtime(adev))
|
|
tmo = msecs_to_jiffies(amdgpu_lockup_timeout);
|
|
else
|
|
tmo = msecs_to_jiffies(100);
|
|
|
|
DRM_INFO("recover vram bo from shadow start\n");
|
|
mutex_lock(&adev->shadow_list_lock);
|
|
list_for_each_entry_safe(bo, tmp, &adev->shadow_list, shadow_list) {
|
|
next = NULL;
|
|
amdgpu_device_recover_vram_from_shadow(adev, ring, bo, &next);
|
|
if (fence) {
|
|
r = dma_fence_wait_timeout(fence, false, tmo);
|
|
if (r == 0)
|
|
pr_err("wait fence %p[%d] timeout\n", fence, i);
|
|
else if (r < 0)
|
|
pr_err("wait fence %p[%d] interrupted\n", fence, i);
|
|
if (r < 1) {
|
|
dma_fence_put(fence);
|
|
fence = next;
|
|
break;
|
|
}
|
|
i++;
|
|
}
|
|
|
|
dma_fence_put(fence);
|
|
fence = next;
|
|
}
|
|
mutex_unlock(&adev->shadow_list_lock);
|
|
|
|
if (fence) {
|
|
r = dma_fence_wait_timeout(fence, false, tmo);
|
|
if (r == 0)
|
|
pr_err("wait fence %p[%d] timeout\n", fence, i);
|
|
else if (r < 0)
|
|
pr_err("wait fence %p[%d] interrupted\n", fence, i);
|
|
|
|
}
|
|
dma_fence_put(fence);
|
|
|
|
if (r > 0)
|
|
DRM_INFO("recover vram bo from shadow done\n");
|
|
else
|
|
DRM_ERROR("recover vram bo from shadow failed\n");
|
|
|
|
return (r > 0) ? 0 : 1;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_reset - reset ASIC/GPU for bare-metal or passthrough
|
|
*
|
|
* @adev: amdgpu device pointer
|
|
*
|
|
* attempt to do soft-reset or full-reset and reinitialize Asic
|
|
* return 0 means succeeded otherwise failed
|
|
*/
|
|
static int amdgpu_device_reset(struct amdgpu_device *adev)
|
|
{
|
|
bool need_full_reset, vram_lost = 0;
|
|
int r;
|
|
|
|
need_full_reset = amdgpu_device_ip_need_full_reset(adev);
|
|
|
|
if (!need_full_reset) {
|
|
amdgpu_device_ip_pre_soft_reset(adev);
|
|
r = amdgpu_device_ip_soft_reset(adev);
|
|
amdgpu_device_ip_post_soft_reset(adev);
|
|
if (r || amdgpu_device_ip_check_soft_reset(adev)) {
|
|
DRM_INFO("soft reset failed, will fallback to full reset!\n");
|
|
need_full_reset = true;
|
|
}
|
|
}
|
|
|
|
if (need_full_reset) {
|
|
r = amdgpu_device_ip_suspend(adev);
|
|
|
|
retry:
|
|
r = amdgpu_asic_reset(adev);
|
|
/* post card */
|
|
amdgpu_atom_asic_init(adev->mode_info.atom_context);
|
|
|
|
if (!r) {
|
|
dev_info(adev->dev, "GPU reset succeeded, trying to resume\n");
|
|
r = amdgpu_device_ip_resume_phase1(adev);
|
|
if (r)
|
|
goto out;
|
|
|
|
vram_lost = amdgpu_device_check_vram_lost(adev);
|
|
if (vram_lost) {
|
|
DRM_ERROR("VRAM is lost!\n");
|
|
atomic_inc(&adev->vram_lost_counter);
|
|
}
|
|
|
|
r = amdgpu_gtt_mgr_recover(
|
|
&adev->mman.bdev.man[TTM_PL_TT]);
|
|
if (r)
|
|
goto out;
|
|
|
|
r = amdgpu_device_ip_resume_phase2(adev);
|
|
if (r)
|
|
goto out;
|
|
|
|
if (vram_lost)
|
|
amdgpu_device_fill_reset_magic(adev);
|
|
}
|
|
}
|
|
|
|
out:
|
|
if (!r) {
|
|
amdgpu_irq_gpu_reset_resume_helper(adev);
|
|
r = amdgpu_ib_ring_tests(adev);
|
|
if (r) {
|
|
dev_err(adev->dev, "ib ring test failed (%d).\n", r);
|
|
r = amdgpu_device_ip_suspend(adev);
|
|
need_full_reset = true;
|
|
goto retry;
|
|
}
|
|
}
|
|
|
|
if (!r && ((need_full_reset && !(adev->flags & AMD_IS_APU)) || vram_lost))
|
|
r = amdgpu_device_handle_vram_lost(adev);
|
|
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_reset_sriov - reset ASIC for SR-IOV vf
|
|
*
|
|
* @adev: amdgpu device pointer
|
|
* @from_hypervisor: request from hypervisor
|
|
*
|
|
* do VF FLR and reinitialize Asic
|
|
* return 0 means succeeded otherwise failed
|
|
*/
|
|
static int amdgpu_device_reset_sriov(struct amdgpu_device *adev,
|
|
bool from_hypervisor)
|
|
{
|
|
int r;
|
|
|
|
if (from_hypervisor)
|
|
r = amdgpu_virt_request_full_gpu(adev, true);
|
|
else
|
|
r = amdgpu_virt_reset_gpu(adev);
|
|
if (r)
|
|
return r;
|
|
|
|
/* Resume IP prior to SMC */
|
|
r = amdgpu_device_ip_reinit_early_sriov(adev);
|
|
if (r)
|
|
goto error;
|
|
|
|
/* we need recover gart prior to run SMC/CP/SDMA resume */
|
|
amdgpu_gtt_mgr_recover(&adev->mman.bdev.man[TTM_PL_TT]);
|
|
|
|
/* now we are okay to resume SMC/CP/SDMA */
|
|
r = amdgpu_device_ip_reinit_late_sriov(adev);
|
|
if (r)
|
|
goto error;
|
|
|
|
amdgpu_irq_gpu_reset_resume_helper(adev);
|
|
r = amdgpu_ib_ring_tests(adev);
|
|
|
|
error:
|
|
amdgpu_virt_release_full_gpu(adev, true);
|
|
if (!r && adev->virt.gim_feature & AMDGIM_FEATURE_GIM_FLR_VRAMLOST) {
|
|
atomic_inc(&adev->vram_lost_counter);
|
|
r = amdgpu_device_handle_vram_lost(adev);
|
|
}
|
|
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_gpu_recover - reset the asic and recover scheduler
|
|
*
|
|
* @adev: amdgpu device pointer
|
|
* @job: which job trigger hang
|
|
* @force: forces reset regardless of amdgpu_gpu_recovery
|
|
*
|
|
* Attempt to reset the GPU if it has hung (all asics).
|
|
* Returns 0 for success or an error on failure.
|
|
*/
|
|
int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
|
|
struct amdgpu_job *job, bool force)
|
|
{
|
|
int i, r, resched;
|
|
|
|
if (!force && !amdgpu_device_ip_check_soft_reset(adev)) {
|
|
DRM_INFO("No hardware hang detected. Did some blocks stall?\n");
|
|
return 0;
|
|
}
|
|
|
|
if (!force && (amdgpu_gpu_recovery == 0 ||
|
|
(amdgpu_gpu_recovery == -1 && !amdgpu_sriov_vf(adev)))) {
|
|
DRM_INFO("GPU recovery disabled.\n");
|
|
return 0;
|
|
}
|
|
|
|
dev_info(adev->dev, "GPU reset begin!\n");
|
|
|
|
mutex_lock(&adev->lock_reset);
|
|
atomic_inc(&adev->gpu_reset_counter);
|
|
adev->in_gpu_reset = 1;
|
|
|
|
/* block TTM */
|
|
resched = ttm_bo_lock_delayed_workqueue(&adev->mman.bdev);
|
|
|
|
/* block all schedulers and reset given job's ring */
|
|
for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {
|
|
struct amdgpu_ring *ring = adev->rings[i];
|
|
|
|
if (!ring || !ring->sched.thread)
|
|
continue;
|
|
|
|
kthread_park(ring->sched.thread);
|
|
|
|
if (job && job->base.sched == &ring->sched)
|
|
continue;
|
|
|
|
drm_sched_hw_job_reset(&ring->sched, &job->base);
|
|
|
|
/* after all hw jobs are reset, hw fence is meaningless, so force_completion */
|
|
amdgpu_fence_driver_force_completion(ring);
|
|
}
|
|
|
|
if (amdgpu_sriov_vf(adev))
|
|
r = amdgpu_device_reset_sriov(adev, job ? false : true);
|
|
else
|
|
r = amdgpu_device_reset(adev);
|
|
|
|
for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {
|
|
struct amdgpu_ring *ring = adev->rings[i];
|
|
|
|
if (!ring || !ring->sched.thread)
|
|
continue;
|
|
|
|
/* only need recovery sched of the given job's ring
|
|
* or all rings (in the case @job is NULL)
|
|
* after above amdgpu_reset accomplished
|
|
*/
|
|
if ((!job || job->base.sched == &ring->sched) && !r)
|
|
drm_sched_job_recovery(&ring->sched);
|
|
|
|
kthread_unpark(ring->sched.thread);
|
|
}
|
|
|
|
if (!amdgpu_device_has_dc_support(adev)) {
|
|
drm_helper_resume_force_mode(adev->ddev);
|
|
}
|
|
|
|
ttm_bo_unlock_delayed_workqueue(&adev->mman.bdev, resched);
|
|
|
|
if (r) {
|
|
/* bad news, how to tell it to userspace ? */
|
|
dev_info(adev->dev, "GPU reset(%d) failed\n", atomic_read(&adev->gpu_reset_counter));
|
|
amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_GPU_RESET_FAIL, 0, r);
|
|
} else {
|
|
dev_info(adev->dev, "GPU reset(%d) succeeded!\n",atomic_read(&adev->gpu_reset_counter));
|
|
}
|
|
|
|
amdgpu_vf_error_trans_all(adev);
|
|
adev->in_gpu_reset = 0;
|
|
mutex_unlock(&adev->lock_reset);
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_device_get_pcie_info - fence pcie info about the PCIE slot
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Fetchs and stores in the driver the PCIE capabilities (gen speed
|
|
* and lanes) of the slot the device is in. Handles APUs and
|
|
* virtualized environments where PCIE config space may not be available.
|
|
*/
|
|
static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev)
|
|
{
|
|
struct pci_dev *pdev;
|
|
enum pci_bus_speed speed_cap;
|
|
enum pcie_link_width link_width;
|
|
|
|
if (amdgpu_pcie_gen_cap)
|
|
adev->pm.pcie_gen_mask = amdgpu_pcie_gen_cap;
|
|
|
|
if (amdgpu_pcie_lane_cap)
|
|
adev->pm.pcie_mlw_mask = amdgpu_pcie_lane_cap;
|
|
|
|
/* covers APUs as well */
|
|
if (pci_is_root_bus(adev->pdev->bus)) {
|
|
if (adev->pm.pcie_gen_mask == 0)
|
|
adev->pm.pcie_gen_mask = AMDGPU_DEFAULT_PCIE_GEN_MASK;
|
|
if (adev->pm.pcie_mlw_mask == 0)
|
|
adev->pm.pcie_mlw_mask = AMDGPU_DEFAULT_PCIE_MLW_MASK;
|
|
return;
|
|
}
|
|
|
|
if (adev->pm.pcie_gen_mask == 0) {
|
|
/* asic caps */
|
|
pdev = adev->pdev;
|
|
speed_cap = pcie_get_speed_cap(pdev);
|
|
if (speed_cap == PCI_SPEED_UNKNOWN) {
|
|
adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 |
|
|
CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 |
|
|
CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3);
|
|
} else {
|
|
if (speed_cap == PCIE_SPEED_16_0GT)
|
|
adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 |
|
|
CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 |
|
|
CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3 |
|
|
CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN4);
|
|
else if (speed_cap == PCIE_SPEED_8_0GT)
|
|
adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 |
|
|
CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 |
|
|
CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3);
|
|
else if (speed_cap == PCIE_SPEED_5_0GT)
|
|
adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 |
|
|
CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2);
|
|
else
|
|
adev->pm.pcie_gen_mask |= CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1;
|
|
}
|
|
/* platform caps */
|
|
pdev = adev->ddev->pdev->bus->self;
|
|
speed_cap = pcie_get_speed_cap(pdev);
|
|
if (speed_cap == PCI_SPEED_UNKNOWN) {
|
|
adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 |
|
|
CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2);
|
|
} else {
|
|
if (speed_cap == PCIE_SPEED_16_0GT)
|
|
adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 |
|
|
CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 |
|
|
CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3 |
|
|
CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4);
|
|
else if (speed_cap == PCIE_SPEED_8_0GT)
|
|
adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 |
|
|
CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 |
|
|
CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3);
|
|
else if (speed_cap == PCIE_SPEED_5_0GT)
|
|
adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 |
|
|
CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2);
|
|
else
|
|
adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1;
|
|
|
|
}
|
|
}
|
|
if (adev->pm.pcie_mlw_mask == 0) {
|
|
pdev = adev->ddev->pdev->bus->self;
|
|
link_width = pcie_get_width_cap(pdev);
|
|
if (link_width == PCIE_LNK_WIDTH_UNKNOWN) {
|
|
adev->pm.pcie_mlw_mask |= AMDGPU_DEFAULT_PCIE_MLW_MASK;
|
|
} else {
|
|
switch (link_width) {
|
|
case PCIE_LNK_X32:
|
|
adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X32 |
|
|
CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 |
|
|
CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 |
|
|
CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 |
|
|
CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 |
|
|
CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 |
|
|
CAIL_PCIE_LINK_WIDTH_SUPPORT_X1);
|
|
break;
|
|
case PCIE_LNK_X16:
|
|
adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 |
|
|
CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 |
|
|
CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 |
|
|
CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 |
|
|
CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 |
|
|
CAIL_PCIE_LINK_WIDTH_SUPPORT_X1);
|
|
break;
|
|
case PCIE_LNK_X12:
|
|
adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 |
|
|
CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 |
|
|
CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 |
|
|
CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 |
|
|
CAIL_PCIE_LINK_WIDTH_SUPPORT_X1);
|
|
break;
|
|
case PCIE_LNK_X8:
|
|
adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 |
|
|
CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 |
|
|
CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 |
|
|
CAIL_PCIE_LINK_WIDTH_SUPPORT_X1);
|
|
break;
|
|
case PCIE_LNK_X4:
|
|
adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 |
|
|
CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 |
|
|
CAIL_PCIE_LINK_WIDTH_SUPPORT_X1);
|
|
break;
|
|
case PCIE_LNK_X2:
|
|
adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 |
|
|
CAIL_PCIE_LINK_WIDTH_SUPPORT_X1);
|
|
break;
|
|
case PCIE_LNK_X1:
|
|
adev->pm.pcie_mlw_mask = CAIL_PCIE_LINK_WIDTH_SUPPORT_X1;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|