Re: [PATCH v2] drm: Describe the Rotation property bits.

["Ville Syrjälä" <ville.syrjala@linux.intel.com>]

On Mon, Nov 02, 2015 at 04:14:08PM +0100, Robert Fekete wrote:
>     Adds clarification of the rotation property bits. I.e. rotation is
>     counter clockwise and that reflects are applied before any rotation.
> 
>     v2: Refer to the define names instead of the property values.
> 
> Signed-off-by: Robert Fekete <robert.fekete@linux.intel.com>

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

> ---
>  include/drm/drm_crtc.h | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
> index 3f0c6909dda1..f47cefa37ef3 100644
> --- a/include/drm/drm_crtc.h
> +++ b/include/drm/drm_crtc.h
> @@ -85,7 +85,11 @@ static inline uint64_t I642U64(int64_t val)
>  	return (uint64_t)*((uint64_t *)&val);
>  }
>  
> -/* rotation property bits */
> +/*
> + * Rotation property bits. DRM_ROTATE_<degrees> rotates the image by the
> + * specified amount in degrees in counter clockwise direction. DRM_REFLECT_X and
> + * DRM_REFLECT_Y reflects the image along the specified axis prior to rotation
> + */
>  #define DRM_ROTATE_MASK 0x0f
>  #define DRM_ROTATE_0	0
>  #define DRM_ROTATE_90	1
> -- 
> 1.9.1
> 
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-- 
Ville Syrjälä
Intel OTC
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