github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-11-06 21:58:01 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/amdgpu: Update no-retry PTE flags for GFX12

Browse Source 
The current combination of PTE flags to translate a retry
fault into a no-retry fault is not valid for GFX12. Use a
valid no-retry PTE flags combination that works for GFX 12.

Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Mukul Joshi 2025-12-04 17:11:21 -05:00 committed by Alex Deucher
parent f8c035cfdb
commit 34e63f01ee
2 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
View File

@ -141,6 +141,8 @@ struct amdgpu_bo_vm;
#define AMDGPU_PDE_PTE_FLAG(adev) \
((amdgpu_ip_version((adev), GC_HWIP, 0) >= IP_VERSION(12, 0, 0)) ? AMDGPU_PDE_PTE_GFX12 : AMDGPU_PDE_PTE)
/* Flag combination to set no-retry on GFX 12 */
#define AMDGPU_VM_NORETRY_FLAGS_GFX12 (AMDGPU_PTE_SYSTEM | AMDGPU_PTE_SNOOPED)
/* How to program VM fault handling */
#define AMDGPU_VM_FAULT_STOP_NEVER 0
#define AMDGPU_VM_FAULT_STOP_FIRST 1

2
drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
View File

@ -668,7 +668,7 @@ static int gmc_v12_0_early_init(struct amdgpu_ip_block *ip_block)
adev->gmc.private_aperture_end =
adev->gmc.private_aperture_start + (4ULL << 30) - 1;
adev->gmc.noretry_flags = AMDGPU_VM_NORETRY_FLAGS_TF;
adev->gmc.noretry_flags = AMDGPU_VM_NORETRY_FLAGS_GFX12;
return 0;
}