diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c | 44 |
1 files changed, 26 insertions, 18 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c index 56939bb1d1a9..8b8a04138711 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c @@ -545,10 +545,13 @@ static int amdgpu_sdma_soft_reset(struct amdgpu_device *adev, u32 instance_id) * amdgpu_sdma_reset_engine - Reset a specific SDMA engine * @adev: Pointer to the AMDGPU device * @instance_id: Logical ID of the SDMA engine instance to reset + * @caller_handles_kernel_queues: Skip kernel queue processing. Caller + * will handle it. * * Returns: 0 on success, or a negative error code on failure. */ -int amdgpu_sdma_reset_engine(struct amdgpu_device *adev, uint32_t instance_id) +int amdgpu_sdma_reset_engine(struct amdgpu_device *adev, uint32_t instance_id, + bool caller_handles_kernel_queues) { int ret = 0; struct amdgpu_sdma_instance *sdma_instance = &adev->sdma.instance[instance_id]; @@ -556,14 +559,17 @@ int amdgpu_sdma_reset_engine(struct amdgpu_device *adev, uint32_t instance_id) struct amdgpu_ring *page_ring = &sdma_instance->page; mutex_lock(&sdma_instance->engine_reset_mutex); - /* Stop the scheduler's work queue for the GFX and page rings if they are running. - * This ensures that no new tasks are submitted to the queues while - * the reset is in progress. - */ - drm_sched_wqueue_stop(&gfx_ring->sched); - if (adev->sdma.has_page_queue) - drm_sched_wqueue_stop(&page_ring->sched); + if (!caller_handles_kernel_queues) { + /* Stop the scheduler's work queue for the GFX and page rings if they are running. + * This ensures that no new tasks are submitted to the queues while + * the reset is in progress. + */ + drm_sched_wqueue_stop(&gfx_ring->sched); + + if (adev->sdma.has_page_queue) + drm_sched_wqueue_stop(&page_ring->sched); + } if (sdma_instance->funcs->stop_kernel_queue) { sdma_instance->funcs->stop_kernel_queue(gfx_ring); @@ -585,16 +591,18 @@ int amdgpu_sdma_reset_engine(struct amdgpu_device *adev, uint32_t instance_id) } exit: - /* Restart the scheduler's work queue for the GFX and page rings - * if they were stopped by this function. This allows new tasks - * to be submitted to the queues after the reset is complete. - */ - if (!ret) { - amdgpu_fence_driver_force_completion(gfx_ring); - drm_sched_wqueue_start(&gfx_ring->sched); - if (adev->sdma.has_page_queue) { - amdgpu_fence_driver_force_completion(page_ring); - drm_sched_wqueue_start(&page_ring->sched); + if (!caller_handles_kernel_queues) { + /* Restart the scheduler's work queue for the GFX and page rings + * if they were stopped by this function. This allows new tasks + * to be submitted to the queues after the reset is complete. + */ + if (!ret) { + amdgpu_fence_driver_force_completion(gfx_ring); + drm_sched_wqueue_start(&gfx_ring->sched); + if (adev->sdma.has_page_queue) { + amdgpu_fence_driver_force_completion(page_ring); + drm_sched_wqueue_start(&page_ring->sched); + } } } mutex_unlock(&sdma_instance->engine_reset_mutex); |