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drm/radeon: add si tile mode array query v3

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Allow userspace to query for the tile mode array so userspace can properly
compute surface pitch and alignment requirement depending on tiling.

v2: Make strict aliasing safer by casting to char when copying
v3: merge fix from Christian

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jerome Glisse
2013-04-09 11:17:08 -04:00
committed by Alex Deucher
parent 902aaef6c6
commit 64d7b8bed8
5 changed files with 119 additions and 81 deletions
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20
include/uapi/drm/radeon_drm.h
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@@ -977,6 +977,8 @@ struct drm_radeon_cs {
#define RADEON_INFO_FASTFB_WORKING 0x14
/* query if a RADEON_CS_RING_* submission is supported */
#define RADEON_INFO_RING_WORKING 0x15
/* SI tile mode array */
#define RADEON_INFO_SI_TILE_MODE_ARRAY 0x16
struct drm_radeon_info {
@@ -985,4 +987,22 @@ struct drm_radeon_info {
uint64_t value;
};
/* Those correspond to the tile index to use, this is to explicitly state
* the API that is implicitly defined by the tile mode array.
*/
#define SI_TILE_MODE_COLOR_LINEAR_ALIGNED 8
#define SI_TILE_MODE_COLOR_1D 13
#define SI_TILE_MODE_COLOR_1D_SCANOUT 9
#define SI_TILE_MODE_COLOR_2D_8BPP 14
#define SI_TILE_MODE_COLOR_2D_16BPP 15
#define SI_TILE_MODE_COLOR_2D_32BPP 16
#define SI_TILE_MODE_COLOR_2D_64BPP 17
#define SI_TILE_MODE_COLOR_2D_SCANOUT_16BPP 11
#define SI_TILE_MODE_COLOR_2D_SCANOUT_32BPP 12
#define SI_TILE_MODE_DEPTH_STENCIL_1D 4
#define SI_TILE_MODE_DEPTH_STENCIL_2D 0
#define SI_TILE_MODE_DEPTH_STENCIL_2D_2AA 3
#define SI_TILE_MODE_DEPTH_STENCIL_2D_4AA 3
#define SI_TILE_MODE_DEPTH_STENCIL_2D_8AA 2
#endif