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drm/amdgpu: rework tiling flags

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Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Marek Olšák
2015-05-14 23:48:26 +02:00
committed by Alex Deucher
parent 63ab1c2bee
commit fbd76d59ef
6 changed files with 58 additions and 304 deletions
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43
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
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@@ -459,49 +459,8 @@ int amdgpu_bo_fbdev_mmap(struct amdgpu_bo *bo,
int amdgpu_bo_set_tiling_flags(struct amdgpu_bo *bo, u64 tiling_flags)
{
unsigned bankw, bankh, mtaspect, tilesplit, stilesplit;
bankw = (tiling_flags >> AMDGPU_TILING_EG_BANKW_SHIFT) & AMDGPU_TILING_EG_BANKW_MASK;
bankh = (tiling_flags >> AMDGPU_TILING_EG_BANKH_SHIFT) & AMDGPU_TILING_EG_BANKH_MASK;
mtaspect = (tiling_flags >> AMDGPU_TILING_EG_MACRO_TILE_ASPECT_SHIFT) & AMDGPU_TILING_EG_MACRO_TILE_ASPECT_MASK;
tilesplit = (tiling_flags >> AMDGPU_TILING_EG_TILE_SPLIT_SHIFT) & AMDGPU_TILING_EG_TILE_SPLIT_MASK;
stilesplit = (tiling_flags >> AMDGPU_TILING_EG_STENCIL_TILE_SPLIT_SHIFT) & AMDGPU_TILING_EG_STENCIL_TILE_SPLIT_MASK;
switch (bankw) {
case 0:
case 1:
case 2:
case 4:
case 8:
break;
default:
if (AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT) > 6)
return -EINVAL;
}
switch (bankh) {
case 0:
case 1:
case 2:
case 4:
case 8:
break;
default:
return -EINVAL;
}
switch (mtaspect) {
case 0:
case 1:
case 2:
case 4:
case 8:
break;
default:
return -EINVAL;
}
if (tilesplit > 6) {
return -EINVAL;
}
if (stilesplit > 6) {
return -EINVAL;
}
bo->tiling_flags = tiling_flags;
return 0;