Re: [PATCH v2 1/5] drm: add picture aspect ratio flags

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On Thu, 24 Mar 2016, Shashank Sharma <shashank.sharma@xxxxxxxxx> wrote:
> This patch adds drm flag bits for aspect ratio information
>
> Currently drm flag bits don't have field for mode's picture
> aspect ratio. This field will help the driver to pick mode with
> right aspect ratio, and help in setting right VIC field in avi
> infoframes.
>
> Signed-off-by: Shashank Sharma <shashank.sharma@xxxxxxxxx>
> ---
>  include/uapi/drm/drm_mode.h | 18 +++++++++++++-----

Please use scripts/get_maintainer.pl on the patch to figure out who it
should be sent to. This file is not maintained by us, so we can't just
merge it.

For example:

$ scripts/get_maintainer.pl 0001-drm-add-picture-aspect-ratio-flags.patch 
David Airlie <airlied@xxxxxxxx> (maintainer:DRM DRIVERS)
dri-devel@xxxxxxxxxxxxxxxxxxxxx (open list:DRM DRIVERS)
linux-kernel@xxxxxxxxxxxxxxx (open list)

Of course, since you ultimately aim for a change in drm/i915, you should
also Cc: intel-gfx.

BR,
Jani.


>  1 file changed, 13 insertions(+), 5 deletions(-)
>
> diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
> index 50adb46..3389bd1 100644
> --- a/include/uapi/drm/drm_mode.h
> +++ b/include/uapi/drm/drm_mode.h
> @@ -73,6 +73,19 @@
>  #define  DRM_MODE_FLAG_3D_TOP_AND_BOTTOM	(7<<14)
>  #define  DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF	(8<<14)
>  
> +/* Picture aspect ratio options */
> +#define DRM_MODE_PICTURE_ASPECT_NONE		0
> +#define DRM_MODE_PICTURE_ASPECT_4_3		1
> +#define DRM_MODE_PICTURE_ASPECT_16_9		2
> +
> +/* Aspect ratio flag bitmask (4 bits 21:19) */
> +#define	 DRM_MODE_FLAG_PARMASK		(0x0F<<19)
> +#define  DRM_MODE_FLAG_PARNONE \
> +		(DRM_MODE_PICTURE_ASPECT_NONE << 19)
> +#define  DRM_MODE_FLAG_PAR4_3 \
> +		(DRM_MODE_PICTURE_ASPECT_4_3 << 19)
> +#define  DRM_MODE_FLAG_PAR16_9 \
> +		(DRM_MODE_PICTURE_ASPECT_16_9 << 19)
>  
>  /* DPMS flags */
>  /* bit compatible with the xorg definitions. */
> @@ -88,11 +101,6 @@
>  #define DRM_MODE_SCALE_CENTER		2 /* Centered, no scaling */
>  #define DRM_MODE_SCALE_ASPECT		3 /* Full screen, preserve aspect */
>  
> -/* Picture aspect ratio options */
> -#define DRM_MODE_PICTURE_ASPECT_NONE	0
> -#define DRM_MODE_PICTURE_ASPECT_4_3	1
> -#define DRM_MODE_PICTURE_ASPECT_16_9	2
> -
>  /* Dithering mode options */
>  #define DRM_MODE_DITHERING_OFF	0
>  #define DRM_MODE_DITHERING_ON	1

-- 
Jani Nikula, Intel Open Source Technology Center
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