leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

drm/amdgpu: reserve at least 4MB of VRAM for page tables v2

Browse Source 
This hopefully helps reduce the contention for page tables.

v2: adjust maximum reported VRAM size as well

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2019-08-30 14:38:37 +02:00
committed by Alex Deucher
parent 629be20395
commit 9d1b3c7805
3 changed files with 22 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
View File

@@ -99,6 +99,9 @@ struct amdgpu_bo_list_entry;
#define AMDGPU_VM_FAULT_STOP_FIRST 1
#define AMDGPU_VM_FAULT_STOP_ALWAYS 2
/* Reserve 4MB VRAM for page tables */
#define AMDGPU_VM_RESERVED_VRAM (4ULL << 20)
/* max number of VMHUB */
#define AMDGPU_MAX_VMHUBS 3
#define AMDGPU_GFXHUB_0 0