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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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![Jacek Lawrynowicz](/assets/img/avatar_default.png)
- Implement cold and warm firmware boot flows - Add hang recovery support - Add runtime power management support Co-developed-by: Krystian Pradzynski <krystian.pradzynski@linux.intel.com> Signed-off-by: Krystian Pradzynski <krystian.pradzynski@linux.intel.com> Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20230117092723.60441-8-jacek.lawrynowicz@linux.intel.com
654 lines
16 KiB
C
654 lines
16 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (C) 2020-2023 Intel Corporation
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*/
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#include <linux/firmware.h>
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#include <linux/module.h>
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#include <linux/pci.h>
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#include <drm/drm_accel.h>
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#include <drm/drm_drv.h>
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#include <drm/drm_file.h>
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#include <drm/drm_gem.h>
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#include <drm/drm_ioctl.h>
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#include <drm/drm_prime.h>
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#include "vpu_boot_api.h"
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#include "ivpu_drv.h"
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#include "ivpu_fw.h"
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#include "ivpu_gem.h"
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#include "ivpu_hw.h"
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#include "ivpu_ipc.h"
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#include "ivpu_job.h"
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#include "ivpu_jsm_msg.h"
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#include "ivpu_mmu.h"
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#include "ivpu_mmu_context.h"
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#include "ivpu_pm.h"
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#ifndef DRIVER_VERSION_STR
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#define DRIVER_VERSION_STR __stringify(DRM_IVPU_DRIVER_MAJOR) "." \
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__stringify(DRM_IVPU_DRIVER_MINOR) "."
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#endif
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static const struct drm_driver driver;
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static struct lock_class_key submitted_jobs_xa_lock_class_key;
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int ivpu_dbg_mask;
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module_param_named(dbg_mask, ivpu_dbg_mask, int, 0644);
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MODULE_PARM_DESC(dbg_mask, "Driver debug mask. See IVPU_DBG_* macros.");
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int ivpu_test_mode;
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module_param_named_unsafe(test_mode, ivpu_test_mode, int, 0644);
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MODULE_PARM_DESC(test_mode, "Test mode: 0 - normal operation, 1 - fw unit test, 2 - null hw");
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u8 ivpu_pll_min_ratio;
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module_param_named(pll_min_ratio, ivpu_pll_min_ratio, byte, 0644);
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MODULE_PARM_DESC(pll_min_ratio, "Minimum PLL ratio used to set VPU frequency");
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u8 ivpu_pll_max_ratio = U8_MAX;
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module_param_named(pll_max_ratio, ivpu_pll_max_ratio, byte, 0644);
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MODULE_PARM_DESC(pll_max_ratio, "Maximum PLL ratio used to set VPU frequency");
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struct ivpu_file_priv *ivpu_file_priv_get(struct ivpu_file_priv *file_priv)
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{
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struct ivpu_device *vdev = file_priv->vdev;
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kref_get(&file_priv->ref);
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ivpu_dbg(vdev, KREF, "file_priv get: ctx %u refcount %u\n",
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file_priv->ctx.id, kref_read(&file_priv->ref));
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return file_priv;
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}
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struct ivpu_file_priv *ivpu_file_priv_get_by_ctx_id(struct ivpu_device *vdev, unsigned long id)
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{
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struct ivpu_file_priv *file_priv;
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xa_lock_irq(&vdev->context_xa);
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file_priv = xa_load(&vdev->context_xa, id);
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/* file_priv may still be in context_xa during file_priv_release() */
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if (file_priv && !kref_get_unless_zero(&file_priv->ref))
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file_priv = NULL;
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xa_unlock_irq(&vdev->context_xa);
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if (file_priv)
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ivpu_dbg(vdev, KREF, "file_priv get by id: ctx %u refcount %u\n",
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file_priv->ctx.id, kref_read(&file_priv->ref));
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return file_priv;
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}
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static void file_priv_release(struct kref *ref)
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{
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struct ivpu_file_priv *file_priv = container_of(ref, struct ivpu_file_priv, ref);
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struct ivpu_device *vdev = file_priv->vdev;
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ivpu_dbg(vdev, FILE, "file_priv release: ctx %u\n", file_priv->ctx.id);
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ivpu_cmdq_release_all(file_priv);
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ivpu_bo_remove_all_bos_from_context(&file_priv->ctx);
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ivpu_mmu_user_context_fini(vdev, &file_priv->ctx);
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drm_WARN_ON(&vdev->drm, xa_erase_irq(&vdev->context_xa, file_priv->ctx.id) != file_priv);
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mutex_destroy(&file_priv->lock);
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kfree(file_priv);
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}
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void ivpu_file_priv_put(struct ivpu_file_priv **link)
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{
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struct ivpu_file_priv *file_priv = *link;
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struct ivpu_device *vdev = file_priv->vdev;
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drm_WARN_ON(&vdev->drm, !file_priv);
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ivpu_dbg(vdev, KREF, "file_priv put: ctx %u refcount %u\n",
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file_priv->ctx.id, kref_read(&file_priv->ref));
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*link = NULL;
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kref_put(&file_priv->ref, file_priv_release);
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}
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static int ivpu_get_param_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
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{
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struct ivpu_file_priv *file_priv = file->driver_priv;
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struct ivpu_device *vdev = file_priv->vdev;
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struct pci_dev *pdev = to_pci_dev(vdev->drm.dev);
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struct drm_ivpu_param *args = data;
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int ret = 0;
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switch (args->param) {
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case DRM_IVPU_PARAM_DEVICE_ID:
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args->value = pdev->device;
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break;
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case DRM_IVPU_PARAM_DEVICE_REVISION:
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args->value = pdev->revision;
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break;
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case DRM_IVPU_PARAM_PLATFORM_TYPE:
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args->value = vdev->platform;
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break;
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case DRM_IVPU_PARAM_CORE_CLOCK_RATE:
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args->value = ivpu_hw_reg_pll_freq_get(vdev);
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break;
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case DRM_IVPU_PARAM_NUM_CONTEXTS:
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args->value = ivpu_get_context_count(vdev);
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break;
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case DRM_IVPU_PARAM_CONTEXT_BASE_ADDRESS:
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args->value = vdev->hw->ranges.user_low.start;
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break;
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case DRM_IVPU_PARAM_CONTEXT_PRIORITY:
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args->value = file_priv->priority;
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break;
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case DRM_IVPU_PARAM_CONTEXT_ID:
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args->value = file_priv->ctx.id;
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break;
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case DRM_IVPU_PARAM_FW_API_VERSION:
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if (args->index < VPU_FW_API_VER_NUM) {
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struct vpu_firmware_header *fw_hdr;
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fw_hdr = (struct vpu_firmware_header *)vdev->fw->file->data;
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args->value = fw_hdr->api_version[args->index];
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} else {
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ret = -EINVAL;
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}
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break;
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case DRM_IVPU_PARAM_ENGINE_HEARTBEAT:
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ret = ivpu_jsm_get_heartbeat(vdev, args->index, &args->value);
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break;
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case DRM_IVPU_PARAM_UNIQUE_INFERENCE_ID:
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args->value = (u64)atomic64_inc_return(&vdev->unique_id_counter);
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break;
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case DRM_IVPU_PARAM_TILE_CONFIG:
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args->value = vdev->hw->tile_fuse;
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break;
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case DRM_IVPU_PARAM_SKU:
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args->value = vdev->hw->sku;
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break;
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default:
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ret = -EINVAL;
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break;
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}
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return ret;
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}
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static int ivpu_set_param_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
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{
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struct ivpu_file_priv *file_priv = file->driver_priv;
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struct drm_ivpu_param *args = data;
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int ret = 0;
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switch (args->param) {
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case DRM_IVPU_PARAM_CONTEXT_PRIORITY:
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if (args->value <= DRM_IVPU_CONTEXT_PRIORITY_REALTIME)
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file_priv->priority = args->value;
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else
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ret = -EINVAL;
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break;
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default:
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ret = -EINVAL;
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}
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return ret;
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}
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static int ivpu_open(struct drm_device *dev, struct drm_file *file)
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{
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struct ivpu_device *vdev = to_ivpu_device(dev);
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struct ivpu_file_priv *file_priv;
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u32 ctx_id;
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void *old;
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int ret;
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ret = xa_alloc_irq(&vdev->context_xa, &ctx_id, NULL, vdev->context_xa_limit, GFP_KERNEL);
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if (ret) {
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ivpu_err(vdev, "Failed to allocate context id: %d\n", ret);
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return ret;
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}
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file_priv = kzalloc(sizeof(*file_priv), GFP_KERNEL);
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if (!file_priv) {
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ret = -ENOMEM;
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goto err_xa_erase;
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}
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file_priv->vdev = vdev;
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file_priv->priority = DRM_IVPU_CONTEXT_PRIORITY_NORMAL;
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kref_init(&file_priv->ref);
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mutex_init(&file_priv->lock);
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ret = ivpu_mmu_user_context_init(vdev, &file_priv->ctx, ctx_id);
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if (ret)
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goto err_mutex_destroy;
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old = xa_store_irq(&vdev->context_xa, ctx_id, file_priv, GFP_KERNEL);
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if (xa_is_err(old)) {
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ret = xa_err(old);
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ivpu_err(vdev, "Failed to store context %u: %d\n", ctx_id, ret);
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goto err_ctx_fini;
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}
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ivpu_dbg(vdev, FILE, "file_priv create: ctx %u process %s pid %d\n",
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ctx_id, current->comm, task_pid_nr(current));
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file->driver_priv = file_priv;
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return 0;
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err_ctx_fini:
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ivpu_mmu_user_context_fini(vdev, &file_priv->ctx);
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err_mutex_destroy:
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mutex_destroy(&file_priv->lock);
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kfree(file_priv);
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err_xa_erase:
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xa_erase_irq(&vdev->context_xa, ctx_id);
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return ret;
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}
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static void ivpu_postclose(struct drm_device *dev, struct drm_file *file)
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{
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struct ivpu_file_priv *file_priv = file->driver_priv;
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struct ivpu_device *vdev = to_ivpu_device(dev);
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ivpu_dbg(vdev, FILE, "file_priv close: ctx %u process %s pid %d\n",
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file_priv->ctx.id, current->comm, task_pid_nr(current));
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ivpu_file_priv_put(&file_priv);
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}
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static const struct drm_ioctl_desc ivpu_drm_ioctls[] = {
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DRM_IOCTL_DEF_DRV(IVPU_GET_PARAM, ivpu_get_param_ioctl, 0),
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DRM_IOCTL_DEF_DRV(IVPU_SET_PARAM, ivpu_set_param_ioctl, 0),
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DRM_IOCTL_DEF_DRV(IVPU_BO_CREATE, ivpu_bo_create_ioctl, 0),
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DRM_IOCTL_DEF_DRV(IVPU_BO_INFO, ivpu_bo_info_ioctl, 0),
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DRM_IOCTL_DEF_DRV(IVPU_SUBMIT, ivpu_submit_ioctl, 0),
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DRM_IOCTL_DEF_DRV(IVPU_BO_WAIT, ivpu_bo_wait_ioctl, 0),
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};
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static int ivpu_wait_for_ready(struct ivpu_device *vdev)
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{
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struct ivpu_ipc_consumer cons;
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struct ivpu_ipc_hdr ipc_hdr;
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unsigned long timeout;
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int ret;
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if (ivpu_test_mode == IVPU_TEST_MODE_FW_TEST)
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return 0;
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ivpu_ipc_consumer_add(vdev, &cons, IVPU_IPC_CHAN_BOOT_MSG);
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timeout = jiffies + msecs_to_jiffies(vdev->timeout.boot);
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while (1) {
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ret = ivpu_ipc_irq_handler(vdev);
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if (ret)
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break;
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ret = ivpu_ipc_receive(vdev, &cons, &ipc_hdr, NULL, 0);
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if (ret != -ETIMEDOUT || time_after_eq(jiffies, timeout))
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break;
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cond_resched();
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}
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ivpu_ipc_consumer_del(vdev, &cons);
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if (!ret && ipc_hdr.data_addr != IVPU_IPC_BOOT_MSG_DATA_ADDR) {
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ivpu_err(vdev, "Invalid VPU ready message: 0x%x\n",
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ipc_hdr.data_addr);
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return -EIO;
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}
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if (!ret)
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ivpu_info(vdev, "VPU ready message received successfully\n");
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else
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ivpu_hw_diagnose_failure(vdev);
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return ret;
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}
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/**
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* ivpu_boot() - Start VPU firmware
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* @vdev: VPU device
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*
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* This function is paired with ivpu_shutdown() but it doesn't power up the
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* VPU because power up has to be called very early in ivpu_probe().
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*/
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int ivpu_boot(struct ivpu_device *vdev)
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{
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int ret;
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/* Update boot params located at first 4KB of FW memory */
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ivpu_fw_boot_params_setup(vdev, vdev->fw->mem->kvaddr);
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ret = ivpu_hw_boot_fw(vdev);
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if (ret) {
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ivpu_err(vdev, "Failed to start the firmware: %d\n", ret);
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return ret;
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}
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ret = ivpu_wait_for_ready(vdev);
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if (ret) {
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ivpu_err(vdev, "Failed to boot the firmware: %d\n", ret);
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return ret;
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}
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ivpu_hw_irq_clear(vdev);
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enable_irq(vdev->irq);
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ivpu_hw_irq_enable(vdev);
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ivpu_ipc_enable(vdev);
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return 0;
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}
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int ivpu_shutdown(struct ivpu_device *vdev)
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{
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int ret;
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ivpu_hw_irq_disable(vdev);
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disable_irq(vdev->irq);
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ivpu_ipc_disable(vdev);
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ivpu_mmu_disable(vdev);
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ret = ivpu_hw_power_down(vdev);
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if (ret)
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ivpu_warn(vdev, "Failed to power down HW: %d\n", ret);
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return ret;
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}
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static const struct file_operations ivpu_fops = {
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.owner = THIS_MODULE,
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.mmap = drm_gem_mmap,
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DRM_ACCEL_FOPS,
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};
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static const struct drm_driver driver = {
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.driver_features = DRIVER_GEM | DRIVER_COMPUTE_ACCEL,
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.open = ivpu_open,
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.postclose = ivpu_postclose,
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.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
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.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
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.gem_prime_import = ivpu_gem_prime_import,
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.gem_prime_mmap = drm_gem_prime_mmap,
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.ioctls = ivpu_drm_ioctls,
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.num_ioctls = ARRAY_SIZE(ivpu_drm_ioctls),
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.fops = &ivpu_fops,
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.name = DRIVER_NAME,
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.desc = DRIVER_DESC,
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.date = DRIVER_DATE,
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.major = DRM_IVPU_DRIVER_MAJOR,
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.minor = DRM_IVPU_DRIVER_MINOR,
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};
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static int ivpu_irq_init(struct ivpu_device *vdev)
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{
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struct pci_dev *pdev = to_pci_dev(vdev->drm.dev);
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int ret;
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ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSI | PCI_IRQ_MSIX);
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if (ret < 0) {
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ivpu_err(vdev, "Failed to allocate a MSI IRQ: %d\n", ret);
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return ret;
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}
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vdev->irq = pci_irq_vector(pdev, 0);
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ret = devm_request_irq(vdev->drm.dev, vdev->irq, vdev->hw->ops->irq_handler,
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IRQF_NO_AUTOEN, DRIVER_NAME, vdev);
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if (ret)
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ivpu_err(vdev, "Failed to request an IRQ %d\n", ret);
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return ret;
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}
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static int ivpu_pci_init(struct ivpu_device *vdev)
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{
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struct pci_dev *pdev = to_pci_dev(vdev->drm.dev);
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struct resource *bar0 = &pdev->resource[0];
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struct resource *bar4 = &pdev->resource[4];
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int ret;
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ivpu_dbg(vdev, MISC, "Mapping BAR0 (RegV) %pR\n", bar0);
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vdev->regv = devm_ioremap_resource(vdev->drm.dev, bar0);
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if (IS_ERR(vdev->regv)) {
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ivpu_err(vdev, "Failed to map bar 0: %pe\n", vdev->regv);
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return PTR_ERR(vdev->regv);
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}
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ivpu_dbg(vdev, MISC, "Mapping BAR4 (RegB) %pR\n", bar4);
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vdev->regb = devm_ioremap_resource(vdev->drm.dev, bar4);
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if (IS_ERR(vdev->regb)) {
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ivpu_err(vdev, "Failed to map bar 4: %pe\n", vdev->regb);
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return PTR_ERR(vdev->regb);
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}
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ret = dma_set_mask_and_coherent(vdev->drm.dev, DMA_BIT_MASK(38));
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if (ret) {
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ivpu_err(vdev, "Failed to set DMA mask: %d\n", ret);
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return ret;
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}
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/* Clear any pending errors */
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pcie_capability_clear_word(pdev, PCI_EXP_DEVSTA, 0x3f);
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ret = pcim_enable_device(pdev);
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if (ret) {
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ivpu_err(vdev, "Failed to enable PCI device: %d\n", ret);
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return ret;
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}
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pci_set_master(pdev);
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return 0;
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}
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static int ivpu_dev_init(struct ivpu_device *vdev)
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{
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int ret;
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vdev->hw = drmm_kzalloc(&vdev->drm, sizeof(*vdev->hw), GFP_KERNEL);
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if (!vdev->hw)
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return -ENOMEM;
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vdev->mmu = drmm_kzalloc(&vdev->drm, sizeof(*vdev->mmu), GFP_KERNEL);
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if (!vdev->mmu)
|
|
return -ENOMEM;
|
|
|
|
vdev->fw = drmm_kzalloc(&vdev->drm, sizeof(*vdev->fw), GFP_KERNEL);
|
|
if (!vdev->fw)
|
|
return -ENOMEM;
|
|
|
|
vdev->ipc = drmm_kzalloc(&vdev->drm, sizeof(*vdev->ipc), GFP_KERNEL);
|
|
if (!vdev->ipc)
|
|
return -ENOMEM;
|
|
|
|
vdev->pm = drmm_kzalloc(&vdev->drm, sizeof(*vdev->pm), GFP_KERNEL);
|
|
if (!vdev->pm)
|
|
return -ENOMEM;
|
|
|
|
vdev->hw->ops = &ivpu_hw_mtl_ops;
|
|
vdev->platform = IVPU_PLATFORM_INVALID;
|
|
vdev->context_xa_limit.min = IVPU_GLOBAL_CONTEXT_MMU_SSID + 1;
|
|
vdev->context_xa_limit.max = IVPU_CONTEXT_LIMIT;
|
|
atomic64_set(&vdev->unique_id_counter, 0);
|
|
xa_init_flags(&vdev->context_xa, XA_FLAGS_ALLOC);
|
|
xa_init_flags(&vdev->submitted_jobs_xa, XA_FLAGS_ALLOC1);
|
|
lockdep_set_class(&vdev->submitted_jobs_xa.xa_lock, &submitted_jobs_xa_lock_class_key);
|
|
|
|
ret = ivpu_pci_init(vdev);
|
|
if (ret) {
|
|
ivpu_err(vdev, "Failed to initialize PCI device: %d\n", ret);
|
|
goto err_xa_destroy;
|
|
}
|
|
|
|
ret = ivpu_irq_init(vdev);
|
|
if (ret) {
|
|
ivpu_err(vdev, "Failed to initialize IRQs: %d\n", ret);
|
|
goto err_xa_destroy;
|
|
}
|
|
|
|
/* Init basic HW info based on buttress registers which are accessible before power up */
|
|
ret = ivpu_hw_info_init(vdev);
|
|
if (ret) {
|
|
ivpu_err(vdev, "Failed to initialize HW info: %d\n", ret);
|
|
goto err_xa_destroy;
|
|
}
|
|
|
|
/* Power up early so the rest of init code can access VPU registers */
|
|
ret = ivpu_hw_power_up(vdev);
|
|
if (ret) {
|
|
ivpu_err(vdev, "Failed to power up HW: %d\n", ret);
|
|
goto err_xa_destroy;
|
|
}
|
|
|
|
ret = ivpu_mmu_global_context_init(vdev);
|
|
if (ret) {
|
|
ivpu_err(vdev, "Failed to initialize global MMU context: %d\n", ret);
|
|
goto err_power_down;
|
|
}
|
|
|
|
ret = ivpu_mmu_init(vdev);
|
|
if (ret) {
|
|
ivpu_err(vdev, "Failed to initialize MMU device: %d\n", ret);
|
|
goto err_mmu_gctx_fini;
|
|
}
|
|
|
|
ret = ivpu_fw_init(vdev);
|
|
if (ret) {
|
|
ivpu_err(vdev, "Failed to initialize firmware: %d\n", ret);
|
|
goto err_mmu_gctx_fini;
|
|
}
|
|
|
|
ret = ivpu_ipc_init(vdev);
|
|
if (ret) {
|
|
ivpu_err(vdev, "Failed to initialize IPC: %d\n", ret);
|
|
goto err_fw_fini;
|
|
}
|
|
|
|
ret = ivpu_pm_init(vdev);
|
|
if (ret) {
|
|
ivpu_err(vdev, "Failed to initialize PM: %d\n", ret);
|
|
goto err_ipc_fini;
|
|
}
|
|
|
|
ret = ivpu_job_done_thread_init(vdev);
|
|
if (ret) {
|
|
ivpu_err(vdev, "Failed to initialize job done thread: %d\n", ret);
|
|
goto err_ipc_fini;
|
|
}
|
|
|
|
ret = ivpu_fw_load(vdev);
|
|
if (ret) {
|
|
ivpu_err(vdev, "Failed to load firmware: %d\n", ret);
|
|
goto err_job_done_thread_fini;
|
|
}
|
|
|
|
ret = ivpu_boot(vdev);
|
|
if (ret) {
|
|
ivpu_err(vdev, "Failed to boot: %d\n", ret);
|
|
goto err_job_done_thread_fini;
|
|
}
|
|
|
|
ivpu_pm_enable(vdev);
|
|
|
|
return 0;
|
|
|
|
err_job_done_thread_fini:
|
|
ivpu_job_done_thread_fini(vdev);
|
|
err_ipc_fini:
|
|
ivpu_ipc_fini(vdev);
|
|
err_fw_fini:
|
|
ivpu_fw_fini(vdev);
|
|
err_mmu_gctx_fini:
|
|
ivpu_mmu_global_context_fini(vdev);
|
|
err_power_down:
|
|
ivpu_hw_power_down(vdev);
|
|
err_xa_destroy:
|
|
xa_destroy(&vdev->submitted_jobs_xa);
|
|
xa_destroy(&vdev->context_xa);
|
|
return ret;
|
|
}
|
|
|
|
static void ivpu_dev_fini(struct ivpu_device *vdev)
|
|
{
|
|
ivpu_pm_disable(vdev);
|
|
ivpu_shutdown(vdev);
|
|
ivpu_job_done_thread_fini(vdev);
|
|
ivpu_ipc_fini(vdev);
|
|
ivpu_fw_fini(vdev);
|
|
ivpu_mmu_global_context_fini(vdev);
|
|
|
|
drm_WARN_ON(&vdev->drm, !xa_empty(&vdev->submitted_jobs_xa));
|
|
xa_destroy(&vdev->submitted_jobs_xa);
|
|
drm_WARN_ON(&vdev->drm, !xa_empty(&vdev->context_xa));
|
|
xa_destroy(&vdev->context_xa);
|
|
}
|
|
|
|
static struct pci_device_id ivpu_pci_ids[] = {
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_MTL) },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(pci, ivpu_pci_ids);
|
|
|
|
static int ivpu_probe(struct pci_dev *pdev, const struct pci_device_id *id)
|
|
{
|
|
struct ivpu_device *vdev;
|
|
int ret;
|
|
|
|
vdev = devm_drm_dev_alloc(&pdev->dev, &driver, struct ivpu_device, drm);
|
|
if (IS_ERR(vdev))
|
|
return PTR_ERR(vdev);
|
|
|
|
pci_set_drvdata(pdev, vdev);
|
|
|
|
ret = ivpu_dev_init(vdev);
|
|
if (ret) {
|
|
dev_err(&pdev->dev, "Failed to initialize VPU device: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
ret = drm_dev_register(&vdev->drm, 0);
|
|
if (ret) {
|
|
dev_err(&pdev->dev, "Failed to register DRM device: %d\n", ret);
|
|
ivpu_dev_fini(vdev);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void ivpu_remove(struct pci_dev *pdev)
|
|
{
|
|
struct ivpu_device *vdev = pci_get_drvdata(pdev);
|
|
|
|
drm_dev_unregister(&vdev->drm);
|
|
ivpu_dev_fini(vdev);
|
|
}
|
|
|
|
static const struct dev_pm_ops ivpu_drv_pci_pm = {
|
|
SET_SYSTEM_SLEEP_PM_OPS(ivpu_pm_suspend_cb, ivpu_pm_resume_cb)
|
|
SET_RUNTIME_PM_OPS(ivpu_pm_runtime_suspend_cb, ivpu_pm_runtime_resume_cb, NULL)
|
|
};
|
|
|
|
static const struct pci_error_handlers ivpu_drv_pci_err = {
|
|
.reset_prepare = ivpu_pm_reset_prepare_cb,
|
|
.reset_done = ivpu_pm_reset_done_cb,
|
|
};
|
|
|
|
static struct pci_driver ivpu_pci_driver = {
|
|
.name = KBUILD_MODNAME,
|
|
.id_table = ivpu_pci_ids,
|
|
.probe = ivpu_probe,
|
|
.remove = ivpu_remove,
|
|
.driver = {
|
|
.pm = &ivpu_drv_pci_pm,
|
|
},
|
|
.err_handler = &ivpu_drv_pci_err,
|
|
};
|
|
|
|
module_pci_driver(ivpu_pci_driver);
|
|
|
|
MODULE_AUTHOR("Intel Corporation");
|
|
MODULE_DESCRIPTION(DRIVER_DESC);
|
|
MODULE_LICENSE("GPL and additional rights");
|
|
MODULE_VERSION(DRIVER_VERSION_STR);
|