From 5c88e3b86a88f14efa0a3ddd28641c6ff49fb9c4 Mon Sep 17 00:00:00 2001 From: Jinzhou Su Date: Tue, 20 Apr 2021 16:17:14 +0800 Subject: drm/amdgpu: Add mem sync flag for IB allocated by SA MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The buffer of SA bo will be used by many cases. So it's better to invalidate the cache of indirect buffer allocated by SA before commit the IB. Signed-off-by: Jinzhou Su Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c') 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 */ + ib->flags = AMDGPU_IB_FLAG_EMIT_MEM_SYNC; if (!vm) ib->gpu_addr = amdgpu_sa_bo_gpu_addr(ib->sa_bo); -- cgit