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| author | Xiaogang Chen <xiaogang.chen@amd.com> | 2023-06-30 19:38:35 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-07-07 20:51:48 +0300 |
| commit | eb58ad143dab0c9d649d702cc929f6bd4b62b455 (patch) | |
| tree | 3f7ef3861e5d52b60402e89076883da6d0f149f7 /drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c | |
| parent | 9041b53a59d77039c69fa61be8575fa232cd3bcd (diff) | |
| download | linux-eb58ad143dab0c9d649d702cc929f6bd4b62b455.tar.xz | |
drm/amdgpu: have bos for PDs/PTS cpu accessible when kfd uses cpu to update vm
When kfd uses cpu to update vm iterates all current PDs/PTs bos, adds
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED flag and kmap them to kernel virtual
address space before kfd updates the vm that was created by gfx.
Signed-off-by: Xiaogang Chen <Xiaogang.Chen@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_cpu.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c index 31913ae86de6..6e31621452de 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c @@ -31,6 +31,7 @@ */ static int amdgpu_vm_cpu_map_table(struct amdgpu_bo_vm *table) { + table->bo.flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED; return amdgpu_bo_kmap(&table->bo, NULL); } |