On Sat, 2019-09-07 at 00:21 -0700, Dhinakaran Pandiyan wrote:

Gen-12 has a new compression format, add a new modifier to indicate that.

Cc: Ville Syrjälä ville.syrjala@linux.intel.com Cc: Matt Roper matthew.d.roper@intel.com Cc: Nanley G Chery nanley.g.chery@intel.com Cc: Jason Ekstrand jason@jlekstrand.net

Cc: dri-devel@lists.freedesktop.org

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 | 11 +++++++++++ 1 file changed, 11 insertions(+)

diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h index 3feeaa3f987a..1f0fbf0398f6 100644 --- a/include/uapi/drm/drm_fourcc.h +++ b/include/uapi/drm/drm_fourcc.h @@ -410,6 +410,17 @@ extern "C" { #define I915_FORMAT_MOD_Y_TILED_CCS fourcc_mod_code(INTEL, 4) #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