| From 0bb0a8dcae595880b4e416c48bc274052db5e240 Mon Sep 17 00:00:00 2001 |
| From: Sasha Levin <sashal@kernel.org> |
| 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 |
| |
| From: Jinzhou Su <Jinzhou.Su@amd.com> |
| |
| [ Upstream commit 5c88e3b86a88f14efa0a3ddd28641c6ff49fb9c4 ] |
| |
| 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 <Jinzhou.Su@amd.com> |
| Reviewed-by: Christian König <christian.koenig@amd.com> |
| Signed-off-by: Alex Deucher <alexander.deucher@amd.com> |
| Signed-off-by: Sasha Levin <sashal@kernel.org> |
| --- |
| 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 2f53fa0ae9a6..28f20f0b722f 100644 |
| --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c |
| +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c |
| @@ -75,6 +75,8 @@ 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); |
| -- |
| 2.30.2 |
| |
