[igt-dev] [PATCH RFC i-g-t 01/10] Format modifier for Intel Gen-12 render compression

Mika Kahola mika.kahola at intel.com
Wed Sep 25 13:09:22 UTC 2019


Gen-12 has a new compression format for render compression.
For this, a new modifier is needed to indicate that.

Signed-off-by: Mika Kahola <mika.kahola at intel.com>
---
 include/drm-uapi/drm_fourcc.h | 1 +
 lib/ioctl_wrappers.h          | 1 +
 2 files changed, 2 insertions(+)

diff --git a/include/drm-uapi/drm_fourcc.h b/include/drm-uapi/drm_fourcc.h
index 3feeaa3f..b93eb2d4 100644
--- a/include/drm-uapi/drm_fourcc.h
+++ b/include/drm-uapi/drm_fourcc.h
@@ -409,6 +409,7 @@ 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)
+#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
diff --git a/lib/ioctl_wrappers.h b/lib/ioctl_wrappers.h
index 03211c97..f2412d78 100644
--- a/lib/ioctl_wrappers.h
+++ b/lib/ioctl_wrappers.h
@@ -200,6 +200,7 @@ struct local_drm_mode_fb_cmd2 {
 #define LOCAL_I915_FORMAT_MOD_Yf_TILED	local_fourcc_mod_code(INTEL, 3)
 #define LOCAL_I915_FORMAT_MOD_Y_TILED_CCS	local_fourcc_mod_code(INTEL, 4)
 #define LOCAL_I915_FORMAT_MOD_Yf_TILED_CCS	local_fourcc_mod_code(INTEL, 5)
+#define LOCAL_I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS fourcc_mod_code(INTEL, 6)
 
 #define LOCAL_DRM_IOCTL_MODE_ADDFB2	DRM_IOWR(0xB8, \
 						 struct local_drm_mode_fb_cmd2)
-- 
2.17.1



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