drm/amdgpu: increase reserved VRAM size to 8MB

4MB reserved VRAM size which used for page tables was not enough for
some condition, increase it to 8MB to reduce page table contention.

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index ca2344beed8132f55524daf26385340405fa241b..976a12e5a8b92fcaa1232ae85f9781c1ecb1c462 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -107,7 +107,7 @@ struct amdgpu_bo_list_entry;
 #define AMDGPU_VM_FAULT_STOP_ALWAYS    2
 
 /* Reserve 4MB VRAM for page tables */
-#define AMDGPU_VM_RESERVED_VRAM                (4ULL << 20)
+#define AMDGPU_VM_RESERVED_VRAM                (8ULL << 20)
 
 /* max number of VMHUB */
 #define AMDGPU_MAX_VMHUBS                      3