bybrooklyn/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-04 06:22:40 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/amdgpu: Update the impelmentation of AMDGPU_PTE_MTYPE_GFX12

Browse Source 
This patch changes the implementation of AMDGPU_PTE_MTYPE_GFX12,
clear the bits before setting the new one.
This fixed the potential issue that GFX12 setting memory to NC.

v2: Clear mtype field before setting the new one (Alex)
v3: Fix typo (Felix)

Suggested-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: longlyao <Longlong.Yao@amd.com>
Signed-off-by: Shane Xiao <shane.xiao@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Shane Xiao
2024-05-29 17:53:11 +08:00
committed by Alex Deucher
parent f8718c4825
commit eba791dc17
2 changed files with 14 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
View File

@@ -116,8 +116,11 @@ struct amdgpu_mem_stats;
#define AMDGPU_PTE_PRT_FLAG(adev) \
((amdgpu_ip_version((adev), GC_HWIP, 0) >= IP_VERSION(12, 0, 0)) ? AMDGPU_PTE_PRT_GFX12 : AMDGPU_PTE_PRT)
#define AMDGPU_PTE_MTYPE_GFX12(a) ((uint64_t)(a) << 54)
#define AMDGPU_PTE_MTYPE_GFX12_MASK AMDGPU_PTE_MTYPE_GFX12(3ULL)
#define AMDGPU_PTE_MTYPE_GFX12_SHIFT(mtype) ((uint64_t)(mtype) << 54)
#define AMDGPU_PTE_MTYPE_GFX12_MASK AMDGPU_PTE_MTYPE_GFX12_SHIFT(3ULL)
#define AMDGPU_PTE_MTYPE_GFX12(flags, mtype) \
(((uint64_t)(flags) & (~AMDGPU_PTE_MTYPE_GFX12_MASK)) | \
AMDGPU_PTE_MTYPE_GFX12_SHIFT(mtype))
#define AMDGPU_PTE_IS_PTE (1ULL << 63)