Message ID | 20190817093902.2171-40-lucas.demarchi@intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | Tiger Lake batch 3 | expand |
On Sat, 2019-08-17 at 02:39 -0700, Lucas De Marchi wrote: > From: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> > > Gen-12 display can decompress surfaces compressed by the media > engine, add > a new modifier as the driver needs to know the surface was compressed > by > the media or render engine. > > Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> > Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> > Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> > --- > include/uapi/drm/drm_fourcc.h | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h index fb7270bf9670..ec8351922265 100644 --- a/include/uapi/drm/drm_fourcc.h +++ b/include/uapi/drm/drm_fourcc.h @@ -420,6 +420,16 @@ extern "C" { */ #define I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS fourcc_mod_code(INTEL, 6) +/* + * Intel color control surfaces (CCS) for Gen-12 media compression. + * + * The main surface is Y-tiled and is at plane index 0 whereas CCS is linear and + * at index 1. A CCS cache line corresponds to an area of 4x1 tiles in the main + * surface. The main surface pitch is required to be a multiple of 4 tile + * widths. + */ +#define I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS fourcc_mod_code(INTEL, 7) + /* * Tiled, NV12MT, grouped in 64 (pixels) x 32 (lines) -sized macroblocks *