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| author | Yong Zhao <yong.zhao@amd.com> | 2018-05-14 12:15:27 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-05-15 13:44:26 -0500 |
| commit | 959a2091fae0fa498c79e095a4f6cbbb202a1194 (patch) | |
| tree | c2a0cc72945fbe32972378ea5981932817cacd1f /drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | |
| parent | 8eb77198131bab4417b711f899473f4ee6b8ad55 (diff) | |
| download | linux-959a2091fae0fa498c79e095a4f6cbbb202a1194.tar.bz2 | |
drm/amdgpu: Add support to change mtype for 2nd part of gart BOs on GFX9
This change prepares for a workaround in amdkfd for a GFX9 HW bug. It
requires the control stack memory of compute queues, which is allocated
from the second page of MQD gart BOs, to have mtype NC, rather than
the default UC.
Signed-off-by: Yong Zhao <yong.zhao@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h index 30f080364c97..4cf678684a12 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h @@ -75,11 +75,12 @@ struct amdgpu_bo_list_entry; /* PDE Block Fragment Size for VEGA10 */ #define AMDGPU_PDE_BFS(a) ((uint64_t)a << 59) -/* VEGA10 only */ + +/* For GFX9 */ #define AMDGPU_PTE_MTYPE(a) ((uint64_t)a << 57) #define AMDGPU_PTE_MTYPE_MASK AMDGPU_PTE_MTYPE(3ULL) -/* For Raven */ +#define AMDGPU_MTYPE_NC 0 #define AMDGPU_MTYPE_CC 2 #define AMDGPU_PTE_DEFAULT_ATC (AMDGPU_PTE_SYSTEM \ |