On 11/27/23 09:54, Christian König wrote:
Try to fill up VRAM as well by setting the busy flag on GTT allocations. This fixes the issue that when VRAM was evacuated for suspend it's never filled up again unless the application is restarted.
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2893
Signed-off-by: Christian König <christian.koenig@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index aa0dd6dad068..ddc8fb4db678 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -173,6 +173,12 @@ void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain) abo->flags & AMDGPU_GEM_CREATE_PREEMPTIBLE ? AMDGPU_PL_PREEMPT : TTM_PL_TT; places[c].flags = 0; + /* + * When GTT is just an alternative to VRAM make sure that we + * only use it as fallback and still try to fill up VRAM first. + */ + if (domain & AMDGPU_GEM_DOMAIN_VRAM) + places[c].flags |= TTM_PL_FLAG_BUSY; c++; }
-- Hamza