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| author | Christian König <christian.koenig@amd.com> | 2017-06-28 13:18:54 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-07-14 18:06:20 +0300 |
| commit | cc25188afdb886044785be4c29f3993c3a3b2b92 (patch) | |
| tree | c536c9741fb63232e88e906414c1b70b86667e95 /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h | |
| parent | 606ce3c098b19cd5458930a133ef1577c64b1072 (diff) | |
| download | linux-cc25188afdb886044785be4c29f3993c3a3b2b92.tar.xz | |
drm/amdgpu: reserve the first 2x512 pages of GART
We want to use them as remap address space.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h index 776a20ae40c4..c8059f067185 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h @@ -34,6 +34,9 @@ #define AMDGPU_PL_FLAG_GWS (TTM_PL_FLAG_PRIV << 1) #define AMDGPU_PL_FLAG_OA (TTM_PL_FLAG_PRIV << 2) +#define AMDGPU_GTT_MAX_TRANSFER_SIZE 512 +#define AMDGPU_GTT_NUM_TRANSFER_WINDOWS 2 + struct amdgpu_mman { struct ttm_bo_global_ref bo_global_ref; struct drm_global_reference mem_global_ref; |