Re: [PATCH v4] drm/i915: Adding YUV444 packed format(DRM_FORMAT_AYUV) support.

[Daniel Vetter <daniel@ffwll.ch>]

On Wed, Jul 04, 2018 at 12:41:52PM +0300, StanLis wrote:
> From: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
> 
> PLANE_CTL_FORMAT_AYUV is already supported, according to hardware
> specification.
> 
> v2: Edited commit message, removed redundant whitespaces.
> 
> v3: Fixed fallthrough logic for the format switch cases.
> 
> v4: Yet again fixed fallthrough logic, to reuse code from other case
>     labels.
> 
> Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>

Do we have userspace and igt testcases for this?
-Daniel

> ---
>  drivers/gpu/drm/i915/intel_display.c | 7 +++++++
>  drivers/gpu/drm/i915/intel_sprite.c  | 1 +
>  2 files changed, 8 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 56818a45181c..b121b3378aa2 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -86,6 +86,7 @@ static const uint32_t skl_primary_formats[] = {
>  	DRM_FORMAT_YVYU,
>  	DRM_FORMAT_UYVY,
>  	DRM_FORMAT_VYUY,
> +	DRM_FORMAT_AYUV,
>  };
>  
>  static const uint32_t skl_pri_planar_formats[] = {
> @@ -102,6 +103,7 @@ static const uint32_t skl_pri_planar_formats[] = {
>  	DRM_FORMAT_UYVY,
>  	DRM_FORMAT_VYUY,
>  	DRM_FORMAT_NV12,
> +	DRM_FORMAT_AYUV,
>  };
>  
>  static const uint64_t skl_format_modifiers_noccs[] = {
> @@ -3497,6 +3499,8 @@ static u32 skl_plane_ctl_format(uint32_t pixel_format)
>  		return PLANE_CTL_FORMAT_XRGB_2101010;
>  	case DRM_FORMAT_XBGR2101010:
>  		return PLANE_CTL_ORDER_RGBX | PLANE_CTL_FORMAT_XRGB_2101010;
> +	case DRM_FORMAT_AYUV:
> +		return PLANE_CTL_FORMAT_AYUV;
>  	case DRM_FORMAT_YUYV:
>  		return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_YUYV;
>  	case DRM_FORMAT_YVYU:
> @@ -13371,6 +13375,7 @@ static bool skl_plane_format_mod_supported(struct drm_plane *_plane,
>  	}
>  
>  	switch (format) {
> +
>  	case DRM_FORMAT_XRGB8888:
>  	case DRM_FORMAT_XBGR8888:
>  	case DRM_FORMAT_ARGB8888:
> @@ -13390,6 +13395,7 @@ static bool skl_plane_format_mod_supported(struct drm_plane *_plane,
>  		if (modifier == I915_FORMAT_MOD_Yf_TILED)
>  			return true;
>  		/* fall through */
> +	case DRM_FORMAT_AYUV:
>  	case DRM_FORMAT_C8:
>  		if (modifier == DRM_FORMAT_MOD_LINEAR ||
>  		    modifier == I915_FORMAT_MOD_X_TILED ||
> @@ -14510,6 +14516,7 @@ static int intel_framebuffer_init(struct intel_framebuffer *intel_fb,
>  			goto err;
>  		}
>  		break;
> +	case DRM_FORMAT_AYUV:
>  	case DRM_FORMAT_YUYV:
>  	case DRM_FORMAT_UYVY:
>  	case DRM_FORMAT_YVYU:
> diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
> index 344c0e709b19..ee9f7242aa2b 100644
> --- a/drivers/gpu/drm/i915/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/intel_sprite.c
> @@ -1424,6 +1424,7 @@ static bool skl_plane_format_mod_supported(struct drm_plane *_plane,
>  		if (modifier == I915_FORMAT_MOD_Yf_TILED)
>  			return true;
>  		/* fall through */
> +	case DRM_FORMAT_AYUV:
>  	case DRM_FORMAT_C8:
>  		if (modifier == DRM_FORMAT_MOD_LINEAR ||
>  		    modifier == I915_FORMAT_MOD_X_TILED ||
> -- 
> 2.17.0
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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