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

Mika Kahola
2019-09-25T13:09:37Z

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@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)