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

Radhakrishna Sripada
2019-10-29T21:24:14Z

On Wed, Sep 25, 2019 at 04:09:22PM +0300, Mika Kahola wrote:
> Gen-12 has a new compression format for render compression.
> For this, a new modifier is needed to indicate that.
>
Reviewed-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
> 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)
> --
> 2.17.1
>
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