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drm/amdgpu: Add H/W agnostic amdgpu <--> amdkfd interface
This patch adds an interface file between amdgpu and amdkfd. This interface file is H/W agnostic, thus containing functions that operate the same for any AMD APU/GPU H/W generation. The functions in this interface mirror (some) of the functions in radeon_kfd.c (the radeon<-->amdkfd interface file). The main functions are: - amdgpu_amdkfd_init - initialize the amdkfd module - amdgpu_amdkfd_load_interface - load the H/W interface according to the currently probed device - amdgpu_amdkfd_device_probe - probe the device in amdkfd - amdgpu_amdkfd_device_init - initialize the device in amdkfd - amdgpu_amdkfd_interrupt - call the ISR of amdkfd - amdgpu_amdkfd_suspend - suspend callback from amdgpu - amdgpu_amdkfd_resume - resume callback from amdgpu This patch also modifies the relevant amdgpu files, to use this new interface. Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
This commit is contained in:
parent
22801f76fa
commit
130e0371b7
9 changed files with 364 additions and 1 deletions
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@ -636,6 +636,8 @@ M: Oded Gabbay <oded.gabbay@gmail.com>
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L: dri-devel@lists.freedesktop.org
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L: dri-devel@lists.freedesktop.org
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T: git git://people.freedesktop.org/~gabbayo/linux.git
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T: git git://people.freedesktop.org/~gabbayo/linux.git
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S: Supported
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S: Supported
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F: drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
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F: drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
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F: drivers/gpu/drm/amd/amdkfd/
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F: drivers/gpu/drm/amd/amdkfd/
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F: drivers/gpu/drm/amd/include/cik_structs.h
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F: drivers/gpu/drm/amd/include/cik_structs.h
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F: drivers/gpu/drm/amd/include/kgd_kfd_interface.h
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F: drivers/gpu/drm/amd/include/kgd_kfd_interface.h
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@ -71,6 +71,10 @@ amdgpu-y += \
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amdgpu_vce.o \
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amdgpu_vce.o \
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vce_v3_0.o
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vce_v3_0.o
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# add amdkfd interfaces
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amdgpu-y += \
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amdgpu_amdkfd.o
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amdgpu-$(CONFIG_COMPAT) += amdgpu_ioc32.o
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amdgpu-$(CONFIG_COMPAT) += amdgpu_ioc32.o
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amdgpu-$(CONFIG_VGA_SWITCHEROO) += amdgpu_atpx_handler.o
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amdgpu-$(CONFIG_VGA_SWITCHEROO) += amdgpu_atpx_handler.o
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amdgpu-$(CONFIG_ACPI) += amdgpu_acpi.o
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amdgpu-$(CONFIG_ACPI) += amdgpu_acpi.o
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@ -2011,6 +2011,9 @@ struct amdgpu_device {
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/* tracking pinned memory */
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/* tracking pinned memory */
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u64 vram_pin_size;
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u64 vram_pin_size;
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u64 gart_pin_size;
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u64 gart_pin_size;
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/* amdkfd interface */
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struct kfd_dev *kfd;
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};
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};
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bool amdgpu_device_is_px(struct drm_device *dev);
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bool amdgpu_device_is_px(struct drm_device *dev);
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262
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
Normal file
262
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
Normal file
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@ -0,0 +1,262 @@
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/*
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* Copyright 2014 Advanced Micro Devices, Inc.
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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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#include "amdgpu_amdkfd.h"
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#include "amdgpu_family.h"
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#include <drm/drmP.h>
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#include "amdgpu.h"
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#include <linux/module.h>
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const struct kfd2kgd_calls *kfd2kgd;
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const struct kgd2kfd_calls *kgd2kfd;
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bool (*kgd2kfd_init_p)(unsigned, const struct kgd2kfd_calls**);
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bool amdgpu_amdkfd_init(void)
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{
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#if defined(CONFIG_HSA_AMD_MODULE)
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bool (*kgd2kfd_init_p)(unsigned, const struct kgd2kfd_calls**);
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kgd2kfd_init_p = symbol_request(kgd2kfd_init);
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if (kgd2kfd_init_p == NULL)
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return false;
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#endif
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return true;
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}
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bool amdgpu_amdkfd_load_interface(struct amdgpu_device *rdev)
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{
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#if defined(CONFIG_HSA_AMD_MODULE)
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bool (*kgd2kfd_init_p)(unsigned, const struct kgd2kfd_calls**);
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#endif
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switch (rdev->asic_type) {
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case CHIP_KAVERI:
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default:
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return false;
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}
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#if defined(CONFIG_HSA_AMD_MODULE)
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kgd2kfd_init_p = symbol_request(kgd2kfd_init);
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if (kgd2kfd_init_p == NULL) {
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kfd2kgd = NULL;
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return false;
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}
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if (!kgd2kfd_init_p(KFD_INTERFACE_VERSION, &kgd2kfd)) {
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symbol_put(kgd2kfd_init);
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kfd2kgd = NULL;
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kgd2kfd = NULL;
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return false;
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}
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return true;
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#elif defined(CONFIG_HSA_AMD)
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if (!kgd2kfd_init(KFD_INTERFACE_VERSION, &kgd2kfd)) {
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kfd2kgd = NULL;
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kgd2kfd = NULL;
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return false;
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}
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return true;
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#else
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kfd2kgd = NULL;
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return false;
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#endif
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}
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void amdgpu_amdkfd_fini(void)
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{
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if (kgd2kfd) {
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kgd2kfd->exit();
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symbol_put(kgd2kfd_init);
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}
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}
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void amdgpu_amdkfd_device_probe(struct amdgpu_device *rdev)
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{
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if (kgd2kfd)
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rdev->kfd = kgd2kfd->probe((struct kgd_dev *)rdev,
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rdev->pdev, kfd2kgd);
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}
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void amdgpu_amdkfd_device_init(struct amdgpu_device *rdev)
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{
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if (rdev->kfd) {
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struct kgd2kfd_shared_resources gpu_resources = {
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.compute_vmid_bitmap = 0xFF00,
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.first_compute_pipe = 1,
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.compute_pipe_count = 4 - 1,
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};
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amdgpu_doorbell_get_kfd_info(rdev,
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&gpu_resources.doorbell_physical_address,
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&gpu_resources.doorbell_aperture_size,
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&gpu_resources.doorbell_start_offset);
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kgd2kfd->device_init(rdev->kfd, &gpu_resources);
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}
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}
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void amdgpu_amdkfd_device_fini(struct amdgpu_device *rdev)
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{
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if (rdev->kfd) {
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kgd2kfd->device_exit(rdev->kfd);
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rdev->kfd = NULL;
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}
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}
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void amdgpu_amdkfd_interrupt(struct amdgpu_device *rdev,
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const void *ih_ring_entry)
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{
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if (rdev->kfd)
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kgd2kfd->interrupt(rdev->kfd, ih_ring_entry);
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}
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void amdgpu_amdkfd_suspend(struct amdgpu_device *rdev)
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{
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if (rdev->kfd)
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kgd2kfd->suspend(rdev->kfd);
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}
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int amdgpu_amdkfd_resume(struct amdgpu_device *rdev)
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{
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int r = 0;
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if (rdev->kfd)
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r = kgd2kfd->resume(rdev->kfd);
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return r;
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}
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u32 pool_to_domain(enum kgd_memory_pool p)
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{
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switch (p) {
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case KGD_POOL_FRAMEBUFFER: return AMDGPU_GEM_DOMAIN_VRAM;
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default: return AMDGPU_GEM_DOMAIN_GTT;
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}
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}
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int alloc_gtt_mem(struct kgd_dev *kgd, size_t size,
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void **mem_obj, uint64_t *gpu_addr,
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void **cpu_ptr)
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{
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struct amdgpu_device *rdev = (struct amdgpu_device *)kgd;
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struct kgd_mem **mem = (struct kgd_mem **) mem_obj;
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int r;
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BUG_ON(kgd == NULL);
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BUG_ON(gpu_addr == NULL);
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BUG_ON(cpu_ptr == NULL);
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*mem = kmalloc(sizeof(struct kgd_mem), GFP_KERNEL);
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if ((*mem) == NULL)
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return -ENOMEM;
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r = amdgpu_bo_create(rdev, size, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_GTT,
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AMDGPU_GEM_CREATE_CPU_GTT_USWC, NULL, &(*mem)->bo);
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if (r) {
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dev_err(rdev->dev,
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"failed to allocate BO for amdkfd (%d)\n", r);
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return r;
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}
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/* map the buffer */
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r = amdgpu_bo_reserve((*mem)->bo, true);
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if (r) {
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dev_err(rdev->dev, "(%d) failed to reserve bo for amdkfd\n", r);
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goto allocate_mem_reserve_bo_failed;
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}
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r = amdgpu_bo_pin((*mem)->bo, AMDGPU_GEM_DOMAIN_GTT,
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&(*mem)->gpu_addr);
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if (r) {
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dev_err(rdev->dev, "(%d) failed to pin bo for amdkfd\n", r);
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goto allocate_mem_pin_bo_failed;
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}
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*gpu_addr = (*mem)->gpu_addr;
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r = amdgpu_bo_kmap((*mem)->bo, &(*mem)->cpu_ptr);
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if (r) {
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dev_err(rdev->dev,
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"(%d) failed to map bo to kernel for amdkfd\n", r);
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goto allocate_mem_kmap_bo_failed;
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}
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*cpu_ptr = (*mem)->cpu_ptr;
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amdgpu_bo_unreserve((*mem)->bo);
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return 0;
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allocate_mem_kmap_bo_failed:
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amdgpu_bo_unpin((*mem)->bo);
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allocate_mem_pin_bo_failed:
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amdgpu_bo_unreserve((*mem)->bo);
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allocate_mem_reserve_bo_failed:
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amdgpu_bo_unref(&(*mem)->bo);
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return r;
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}
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void free_gtt_mem(struct kgd_dev *kgd, void *mem_obj)
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{
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struct kgd_mem *mem = (struct kgd_mem *) mem_obj;
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BUG_ON(mem == NULL);
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amdgpu_bo_reserve(mem->bo, true);
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amdgpu_bo_kunmap(mem->bo);
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amdgpu_bo_unpin(mem->bo);
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amdgpu_bo_unreserve(mem->bo);
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amdgpu_bo_unref(&(mem->bo));
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kfree(mem);
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}
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uint64_t get_vmem_size(struct kgd_dev *kgd)
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{
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struct amdgpu_device *rdev =
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(struct amdgpu_device *)kgd;
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BUG_ON(kgd == NULL);
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return rdev->mc.real_vram_size;
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}
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uint64_t get_gpu_clock_counter(struct kgd_dev *kgd)
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{
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struct amdgpu_device *rdev = (struct amdgpu_device *)kgd;
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if (rdev->asic_funcs->get_gpu_clock_counter)
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return rdev->asic_funcs->get_gpu_clock_counter(rdev);
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return 0;
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}
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uint32_t get_max_engine_clock_in_mhz(struct kgd_dev *kgd)
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{
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struct amdgpu_device *rdev = (struct amdgpu_device *)kgd;
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/* The sclk is in quantas of 10kHz */
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return rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk / 100;
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}
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64
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
Normal file
64
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
Normal file
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@ -0,0 +1,64 @@
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/*
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* Copyright 2014 Advanced Micro Devices, Inc.
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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.
|
||||||
|
*
|
||||||
|
* 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,
|
||||||
|
* 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
|
||||||
|
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
|
||||||
|
* 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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/* amdgpu_amdkfd.h defines the private interface between amdgpu and amdkfd. */
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#ifndef AMDGPU_AMDKFD_H_INCLUDED
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#define AMDGPU_AMDKFD_H_INCLUDED
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#include <linux/types.h>
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#include <kgd_kfd_interface.h>
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struct amdgpu_device;
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struct kgd_mem {
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struct amdgpu_bo *bo;
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uint64_t gpu_addr;
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void *cpu_ptr;
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};
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bool amdgpu_amdkfd_init(void);
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void amdgpu_amdkfd_fini(void);
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bool amdgpu_amdkfd_load_interface(struct amdgpu_device *rdev);
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void amdgpu_amdkfd_suspend(struct amdgpu_device *rdev);
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int amdgpu_amdkfd_resume(struct amdgpu_device *rdev);
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void amdgpu_amdkfd_interrupt(struct amdgpu_device *rdev,
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const void *ih_ring_entry);
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||||||
|
void amdgpu_amdkfd_device_probe(struct amdgpu_device *rdev);
|
||||||
|
void amdgpu_amdkfd_device_init(struct amdgpu_device *rdev);
|
||||||
|
void amdgpu_amdkfd_device_fini(struct amdgpu_device *rdev);
|
||||||
|
|
||||||
|
struct kfd2kgd_calls *amdgpu_amdkfd_gfx_7_get_functions(void);
|
||||||
|
|
||||||
|
/* Shared API */
|
||||||
|
int alloc_gtt_mem(struct kgd_dev *kgd, size_t size,
|
||||||
|
void **mem_obj, uint64_t *gpu_addr,
|
||||||
|
void **cpu_ptr);
|
||||||
|
void free_gtt_mem(struct kgd_dev *kgd, void *mem_obj);
|
||||||
|
uint64_t get_vmem_size(struct kgd_dev *kgd);
|
||||||
|
uint64_t get_gpu_clock_counter(struct kgd_dev *kgd);
|
||||||
|
|
||||||
|
uint32_t get_max_engine_clock_in_mhz(struct kgd_dev *kgd);
|
||||||
|
|
||||||
|
#endif /* AMDGPU_AMDKFD_H_INCLUDED */
|
|
@ -44,6 +44,8 @@
|
||||||
#include "amdgpu.h"
|
#include "amdgpu.h"
|
||||||
#include "amdgpu_irq.h"
|
#include "amdgpu_irq.h"
|
||||||
|
|
||||||
|
#include "amdgpu_amdkfd.h"
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* KMS wrapper.
|
* KMS wrapper.
|
||||||
* - 3.0.0 - initial driver
|
* - 3.0.0 - initial driver
|
||||||
|
@ -527,12 +529,15 @@ static int __init amdgpu_init(void)
|
||||||
driver->num_ioctls = amdgpu_max_kms_ioctl;
|
driver->num_ioctls = amdgpu_max_kms_ioctl;
|
||||||
amdgpu_register_atpx_handler();
|
amdgpu_register_atpx_handler();
|
||||||
|
|
||||||
|
amdgpu_amdkfd_init();
|
||||||
|
|
||||||
/* let modprobe override vga console setting */
|
/* let modprobe override vga console setting */
|
||||||
return drm_pci_init(driver, pdriver);
|
return drm_pci_init(driver, pdriver);
|
||||||
}
|
}
|
||||||
|
|
||||||
static void __exit amdgpu_exit(void)
|
static void __exit amdgpu_exit(void)
|
||||||
{
|
{
|
||||||
|
amdgpu_amdkfd_fini();
|
||||||
drm_pci_exit(driver, pdriver);
|
drm_pci_exit(driver, pdriver);
|
||||||
amdgpu_unregister_atpx_handler();
|
amdgpu_unregister_atpx_handler();
|
||||||
}
|
}
|
||||||
|
|
|
@ -24,6 +24,7 @@
|
||||||
#include <drm/drmP.h>
|
#include <drm/drmP.h>
|
||||||
#include "amdgpu.h"
|
#include "amdgpu.h"
|
||||||
#include "amdgpu_ih.h"
|
#include "amdgpu_ih.h"
|
||||||
|
#include "amdgpu_amdkfd.h"
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* amdgpu_ih_ring_alloc - allocate memory for the IH ring
|
* amdgpu_ih_ring_alloc - allocate memory for the IH ring
|
||||||
|
@ -199,6 +200,12 @@ int amdgpu_ih_process(struct amdgpu_device *adev)
|
||||||
rmb();
|
rmb();
|
||||||
|
|
||||||
while (adev->irq.ih.rptr != wptr) {
|
while (adev->irq.ih.rptr != wptr) {
|
||||||
|
u32 ring_index = adev->irq.ih.rptr >> 2;
|
||||||
|
|
||||||
|
/* Before dispatching irq to IP blocks, send it to amdkfd */
|
||||||
|
amdgpu_amdkfd_interrupt(adev,
|
||||||
|
(const void *) &adev->irq.ih.ring[ring_index]);
|
||||||
|
|
||||||
amdgpu_ih_decode_iv(adev, &entry);
|
amdgpu_ih_decode_iv(adev, &entry);
|
||||||
adev->irq.ih.rptr &= adev->irq.ih.ptr_mask;
|
adev->irq.ih.rptr &= adev->irq.ih.ptr_mask;
|
||||||
|
|
||||||
|
|
|
@ -34,6 +34,7 @@
|
||||||
#include <linux/vga_switcheroo.h>
|
#include <linux/vga_switcheroo.h>
|
||||||
#include <linux/slab.h>
|
#include <linux/slab.h>
|
||||||
#include <linux/pm_runtime.h>
|
#include <linux/pm_runtime.h>
|
||||||
|
#include "amdgpu_amdkfd.h"
|
||||||
|
|
||||||
#if defined(CONFIG_VGA_SWITCHEROO)
|
#if defined(CONFIG_VGA_SWITCHEROO)
|
||||||
bool amdgpu_has_atpx(void);
|
bool amdgpu_has_atpx(void);
|
||||||
|
@ -61,6 +62,8 @@ int amdgpu_driver_unload_kms(struct drm_device *dev)
|
||||||
|
|
||||||
pm_runtime_get_sync(dev->dev);
|
pm_runtime_get_sync(dev->dev);
|
||||||
|
|
||||||
|
amdgpu_amdkfd_device_fini(adev);
|
||||||
|
|
||||||
amdgpu_acpi_fini(adev);
|
amdgpu_acpi_fini(adev);
|
||||||
|
|
||||||
amdgpu_device_fini(adev);
|
amdgpu_device_fini(adev);
|
||||||
|
@ -118,6 +121,10 @@ int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags)
|
||||||
"Error during ACPI methods call\n");
|
"Error during ACPI methods call\n");
|
||||||
}
|
}
|
||||||
|
|
||||||
|
amdgpu_amdkfd_load_interface(adev);
|
||||||
|
amdgpu_amdkfd_device_probe(adev);
|
||||||
|
amdgpu_amdkfd_device_init(adev);
|
||||||
|
|
||||||
if (amdgpu_device_is_px(dev)) {
|
if (amdgpu_device_is_px(dev)) {
|
||||||
pm_runtime_use_autosuspend(dev->dev);
|
pm_runtime_use_autosuspend(dev->dev);
|
||||||
pm_runtime_set_autosuspend_delay(dev->dev, 5000);
|
pm_runtime_set_autosuspend_delay(dev->dev, 5000);
|
||||||
|
|
|
@ -64,6 +64,8 @@
|
||||||
#include "oss/oss_2_0_d.h"
|
#include "oss/oss_2_0_d.h"
|
||||||
#include "oss/oss_2_0_sh_mask.h"
|
#include "oss/oss_2_0_sh_mask.h"
|
||||||
|
|
||||||
|
#include "amdgpu_amdkfd.h"
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Indirect registers accessor
|
* Indirect registers accessor
|
||||||
*/
|
*/
|
||||||
|
@ -2448,14 +2450,21 @@ static int cik_common_suspend(void *handle)
|
||||||
{
|
{
|
||||||
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
||||||
|
|
||||||
|
amdgpu_amdkfd_suspend(adev);
|
||||||
|
|
||||||
return cik_common_hw_fini(adev);
|
return cik_common_hw_fini(adev);
|
||||||
}
|
}
|
||||||
|
|
||||||
static int cik_common_resume(void *handle)
|
static int cik_common_resume(void *handle)
|
||||||
{
|
{
|
||||||
|
int r;
|
||||||
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
||||||
|
|
||||||
return cik_common_hw_init(adev);
|
r = cik_common_hw_init(adev);
|
||||||
|
if (r)
|
||||||
|
return r;
|
||||||
|
|
||||||
|
return amdgpu_amdkfd_resume(adev);
|
||||||
}
|
}
|
||||||
|
|
||||||
static bool cik_common_is_idle(void *handle)
|
static bool cik_common_is_idle(void *handle)
|
||||||
|
|
Loading…
Reference in a new issue