Am 20.04.21 um 10:27 schrieb Jinzhou Su:
The buffer of SA bo will be used by many cases. So better
to flush the cache of indirect buffer allocated by SA before
commit the IB.
Signed-off-by: Jinzhou Su <Jinzhou.Su@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
index 148a3b481b12..a2fe2dac32c1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
@@ -76,6 +76,8 @@ int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
}
ib->ptr = amdgpu_sa_bo_cpu_addr(ib->sa_bo);
+ /* flush the cache before commit the IB */
Either drop the comment or change it a bit.
E.g. like "/* Invalidate the cache to make the GPU see the newest SA
content */
With that done the patch is Reviewed-by: Christian König
<christian.koenig@xxxxxxx>
Regards,
Christian.
+ ib->flags = AMDGPU_IB_FLAG_EMIT_MEM_SYNC;
if (!vm)
ib->gpu_addr = amdgpu_sa_bo_gpu_addr(ib->sa_bo);
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