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List:       freedesktop-intel-gfx
Subject:    [Intel-gfx] [PATCH 08/11] drm/i915: Bad pixel formats can't reach the sprite code
From:       jbarnes () virtuousgeek ! org (Jesse Barnes)
Date:       2012-10-31 20:27:26
Message-ID: 20121031132726.26224f18 () jbarnes-desktop
[Download RAW message or body]

On Wed, 31 Oct 2012 17:50:21 +0200
ville.syrjala at linux.intel.com wrote:

> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> The framebuffer pixel format is already checked by the common code.
> So there's no way an invalid format could reach the driver. So instead
> of falling back to a default format, call BUG().
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/intel_sprite.c |    8 ++------
>  1 files changed, 2 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
> index a4fe7f5..7959e75 100644
> --- a/drivers/gpu/drm/i915/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/intel_sprite.c
> @@ -78,9 +78,7 @@ ivb_update_plane(struct drm_plane *plane, struct drm_framebuffer *fb,
>  		sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_VYUY;
>  		break;
>  	default:
> -		DRM_DEBUG_DRIVER("bad pixel format, assuming RGBX888\n");
> -		sprctl |= SPRITE_FORMAT_RGBX888;
> -		break;
> +		BUG();
>  	}
>  
>  	if (obj->tiling_mode != I915_TILING_NONE)
> @@ -252,9 +250,7 @@ ilk_update_plane(struct drm_plane *plane, struct drm_framebuffer *fb,
>  		dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_VYUY;
>  		break;
>  	default:
> -		DRM_DEBUG_DRIVER("bad pixel format, assuming RGBX888\n");
> -		dvscntr |= DVS_FORMAT_RGBX888;
> -		break;
> +		BUG();
>  	}
>  
>  	if (obj->tiling_mode != I915_TILING_NONE)

Reviewed-by: Jesse Barnes <jbarnes at virtuousgeek.org>

-- 
Jesse Barnes, Intel Open Source Technology Center


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