[igt-dev] [PATCH i-g-t 1/4] drm-uapi/drm_fourcc: Format modifier for GEN12 render engine with Color Clear

[Sripada, Radhakrishna]

On Fri, 2019-11-29 at 15:47 +0200, Mika Kahola wrote:
> Gen12 display can decompress surfaces compressed by render engine
> with Clear Color, add
> a new modifier as the driver needs to know the surface was compressed
> by render engine.
> 
Reviewed-by: Radhakrishna Sripada<radhakrishna.sripada at intel.com>
> Signed-off-by: Mika Kahola <mika.kahola at intel.com>
> ---
>  include/drm-uapi/drm_fourcc.h | 1 +
>  lib/ioctl_wrappers.h          | 4 ++--
>  2 files changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/include/drm-uapi/drm_fourcc.h b/include/drm-
> uapi/drm_fourcc.h
> index b93eb2d4..30af8dcf 100644
> --- a/include/drm-uapi/drm_fourcc.h
> +++ b/include/drm-uapi/drm_fourcc.h
> @@ -410,6 +410,7 @@ 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)
> +#define I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC
> fourcc_mod_code(INTEL, 8)
>  
>  /*
>   * Tiled, NV12MT, grouped in 64 (pixels) x 32 (lines) -sized
> macroblocks
> diff --git a/lib/ioctl_wrappers.h b/lib/ioctl_wrappers.h
> index f2412d78..a7172f37 100644
> --- a/lib/ioctl_wrappers.h
> +++ b/lib/ioctl_wrappers.h
> @@ -201,8 +201,8 @@ struct local_drm_mode_fb_cmd2 {
>  #define LOCAL_I915_FORMAT_MOD_Y_TILED_CCS	local_fourcc_mod_code(I
> NTEL, 4)
>  #define LOCAL_I915_FORMAT_MOD_Yf_TILED_CCS	local_fourcc_mod_code(I
> NTEL, 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, \
> +#define LOCAL_I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC
> fourcc_mod_code(INTEL, 8)
> +#define LOCAL_DRM_IOCTL_MODE_ADDFB2	DRM_IOWR(0xB8,			
> \
>  						 struct
> local_drm_mode_fb_cmd2)
>  
>  #define LOCAL_DRM_CAP_ADDFB2_MODIFIERS	0x10