[PATCH v5 3/7] drm/amdgpu: create multiple clear/move ttm entities
From: Pierre-Eric Pelloux-Prayer
Date: Fri Apr 03 2026 - 04:40:12 EST
This enables parallelism of operations.
Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@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 bd32113292ec..83f6d00dc3a0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -2356,8 +2356,8 @@ void amdgpu_ttm_set_buffer_funcs_status(struct amdgpu_device *adev, bool enable)
return;
}
- num_clear_entities = 1;
- num_move_entities = 1;
+ num_clear_entities = MIN(adev->mman.num_buffer_funcs_scheds, TTM_NUM_MOVE_FENCES);
+ num_move_entities = MIN(adev->mman.num_buffer_funcs_scheds, TTM_NUM_MOVE_FENCES);
sched = adev->mman.buffer_funcs_scheds[0];
r = amdgpu_ttm_buffer_entity_init(&adev->mman.gtt_mgr,
&adev->mman.default_entity,
--
2.43.0