From 5c88e3b86a88f14efa0a3ddd28641c6ff49fb9c4 Mon Sep 17 00:00:00 2001
From: Jinzhou Su <Jinzhou.Su@amd.com>
Date: Tue, 20 Apr 2021 16:17:14 +0800
Subject: [PATCH] drm/amdgpu: Add mem sync flag for IB allocated by SA
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Git-commit: 5c88e3b86a88f14efa0a3ddd28641c6ff49fb9c4
Patch-mainline: v5.13-rc1
References: git-fixes
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>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
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 */
+ ib->flags = AMDGPU_IB_FLAG_EMIT_MEM_SYNC;
if (!vm)
ib->gpu_addr = amdgpu_sa_bo_gpu_addr(ib->sa_bo);
--
2.26.2