Re: [PATCH v6 8/8] drm/amdgpu: use DRM_SCHED_PRIORITY_KERNEL for all ttm entities

From: Christian König

Date: Wed Apr 08 2026 - 10:18:01 EST


On 4/8/26 12:03, Pierre-Eric Pelloux-Prayer wrote:
> ttm jobs must have higher priority than any userspace jobs.
>
> Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@xxxxxxx>

Reviewed-by: Christian König <christian.koenig@xxxxxxx>

> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> index 000f66452b10..1f9423556ab3 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> @@ -2378,7 +2378,7 @@ void amdgpu_ttm_enable_buffer_funcs(struct amdgpu_device *adev)
> r = amdgpu_ttm_buffer_entity_init(
> &adev->mman.gtt_mgr,
> &adev->mman.clear_entities[i],
> - DRM_SCHED_PRIORITY_NORMAL,
> + DRM_SCHED_PRIORITY_KERNEL,
> adev->mman.buffer_funcs_scheds,
> adev->mman.num_buffer_funcs_scheds, 1);
>
> @@ -2398,7 +2398,7 @@ void amdgpu_ttm_enable_buffer_funcs(struct amdgpu_device *adev)
> r = amdgpu_ttm_buffer_entity_init(
> &adev->mman.gtt_mgr,
> &adev->mman.move_entities[i],
> - DRM_SCHED_PRIORITY_NORMAL,
> + DRM_SCHED_PRIORITY_KERNEL,
> adev->mman.buffer_funcs_scheds,
> adev->mman.num_buffer_funcs_scheds, 2);
>