aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorDhinakaran Pandiyan <[email protected]>2019-12-21 14:05:38 +0200
committerImre Deak <[email protected]>2019-12-23 13:50:56 +0200
commit55656505dc55481d862b7ff81aba69a002e39159 (patch)
tree469e0b330a741f957ab4da4005d9f42980d3cd69
parente7af9094579474912ac7ea2d2f2434c4df2fd5e6 (diff)
drm/framebuffer: Format modifier for Intel Gen-12 render compression
Gen-12 has a new compression format, add a new modifier to indicate that. Cc: Ville Syrjälä <[email protected]> Cc: Matt Roper <[email protected]> Cc: Nanley G Chery <[email protected]> Cc: Jason Ekstrand <[email protected]> Cc: Mika Kahola <[email protected]> Cc: [email protected] Signed-off-by: Dhinakaran Pandiyan <[email protected]> Signed-off-by: Lucas De Marchi <[email protected]> Signed-off-by: Imre Deak <[email protected]> Reviewed-by: Mika Kahola <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
-rw-r--r--include/uapi/drm/drm_fourcc.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index 8caaaf7ff91b..5ba481f49931 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -411,6 +411,17 @@ extern "C" {
#define I915_FORMAT_MOD_Yf_TILED_CCS fourcc_mod_code(INTEL, 5)
/*
+ * Intel color control surfaces (CCS) for Gen-12 render compression.
+ *
+ * The main surface is Y-tiled and at plane index 0, the CCS is linear and
+ * at index 1. A 64B CCS cache line corresponds to an area of 4x1 tiles in
+ * main surface. In other words, 4 bits in CCS map to a main surface cache
+ * line pair. The main surface pitch is required to be a multiple of four
+ * Y-tile widths.
+ */
+#define I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS fourcc_mod_code(INTEL, 6)
+
+/*
* Tiled, NV12MT, grouped in 64 (pixels) x 32 (lines) -sized macroblocks
*
* Macroblocks are laid in a Z-shape, and each pixel data is following the