diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h index 1596d53c9ccf..ef20abb8119b 100644 --- a/include/uapi/drm/drm_fourcc.h +++ b/include/uapi/drm/drm_fourcc.h @@ -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