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drm/fourcc: add vivante tiled layout format modifiers 

Vivante GC hardware uses simple 4x4 tiled and nested 64x64 supertiled
formats as well as so-called split-tiled variants for dual-pipe
hardware, where even and odd tiles start at different base addresses.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-By: Wladimir J. van der Laan <laanwj@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170126153217.26916-1-p.zabel@pengutronix.de
This commit is contained in:
Philipp Zabel 2017-01-26 16:32:17 +01:00 committed by Daniel Vetter
parent fcc8a22cc9
commit 73f1a5858b
1 changed files with 41 additions and 0 deletions
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41
include/uapi/drm/drm_fourcc.h
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@ -167,6 +167,7 @@ extern "C" {
#define DRM_FORMAT_MOD_VENDOR_NV 0x03
#define DRM_FORMAT_MOD_VENDOR_SAMSUNG 0x04
#define DRM_FORMAT_MOD_VENDOR_QCOM 0x05
#define DRM_FORMAT_MOD_VENDOR_VIVANTE 0x06
/* add more to the end as needed */
#define fourcc_mod_code(vendor, val) \
@ -251,6 +252,46 @@ extern "C" {
*/
#define DRM_FORMAT_MOD_SAMSUNG_64_32_TILE fourcc_mod_code(SAMSUNG, 1)
/* Vivante framebuffer modifiers */
/*
* Vivante 4x4 tiling layout
*
* This is a simple tiled layout using tiles of 4x4 pixels in a row-major
* layout.
*/
#define DRM_FORMAT_MOD_VIVANTE_TILED fourcc_mod_code(VIVANTE, 1)
/*
* Vivante 64x64 super-tiling layout
*
* This is a tiled layout using 64x64 pixel super-tiles, where each super-tile
* contains 8x4 groups of 2x4 tiles of 4x4 pixels (like above) each, all in row-
* major layout.
*
* For more information: see
* https://github.com/etnaviv/etna_viv/blob/master/doc/hardware.md#texture-tiling
*/
#define DRM_FORMAT_MOD_VIVANTE_SUPER_TILED fourcc_mod_code(VIVANTE, 2)
/*
* Vivante 4x4 tiling layout for dual-pipe
*
* Same as the 4x4 tiling layout, except every second 4x4 pixel tile starts at a
* different base address. Offsets from the base addresses are therefore halved
* compared to the non-split tiled layout.
*/
#define DRM_FORMAT_MOD_VIVANTE_SPLIT_TILED fourcc_mod_code(VIVANTE, 3)
/*
* Vivante 64x64 super-tiling layout for dual-pipe
*
* Same as the 64x64 super-tiling layout, except every second 4x4 pixel tile
* starts at a different base address. Offsets from the base addresses are
* therefore halved compared to the non-split super-tiled layout.
*/
#define DRM_FORMAT_MOD_VIVANTE_SPLIT_SUPER_TILED fourcc_mod_code(VIVANTE, 4)
#if defined(__cplusplus)
}
#endif