On Tue, Aug 09, 2016 at 08:25:50PM +0530, Shashank Sharma wrote:
> HDMI 2.0/CEA-861-F introduces two new aspect ratios:
> - 64:27
> - 256:135
> 
> This patch:
> -  Adds new DRM flags for to represent these new aspect ratios.
> -  Adds new cases to handle these aspect ratios while converting
> from user->kernel mode or vise versa.
> 
> V2: Rebase
> 
> Signed-off-by: Shashank Sharma <shashank.sha...@intel.com>
> Reviewed-by: Sean Paul <seanp...@chromium.org>
> Cc: Daniel Vetter <daniel.vet...@ffwll.ch>
> Cc: Emil Velikov <emil.l.veli...@gmail.com>
> ---
>  drivers/gpu/drm/drm_modes.c | 12 ++++++++++++
>  include/uapi/drm/drm_mode.h |  6 ++++++
>  2 files changed, 18 insertions(+)
> 
> diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
> index 9d8f00d..ed1b07b 100644
> --- a/drivers/gpu/drm/drm_modes.c
> +++ b/drivers/gpu/drm/drm_modes.c
> @@ -1481,6 +1481,12 @@ void drm_mode_convert_to_umode(struct 
> drm_mode_modeinfo *out,
>       case HDMI_PICTURE_ASPECT_16_9:
>               out->flags |= DRM_MODE_FLAG_PIC_AR_16_9;
>               break;
> +     case HDMI_PICTURE_ASPECT_64_27:
> +             out->flags |= DRM_MODE_FLAG_PIC_AR_64_27;
> +             break;
> +     case DRM_MODE_PICTURE_ASPECT_256_135:
> +             out->flags |= DRM_MODE_FLAG_PIC_AR_256_135;
> +             break;
>       case HDMI_PICTURE_ASPECT_RESERVED:
>       default:
>               out->flags |= DRM_MODE_FLAG_PIC_AR_NONE;
> @@ -1542,6 +1548,12 @@ int drm_mode_convert_umode(struct drm_display_mode 
> *out,
>       case DRM_MODE_FLAG_PIC_AR_16_9:
>               out->picture_aspect_ratio |= HDMI_PICTURE_ASPECT_16_9;
>               break;
> +     case DRM_MODE_FLAG_PIC_AR_64_27:
> +             out->picture_aspect_ratio |= HDMI_PICTURE_ASPECT_64_27;
> +             break;
> +     case DRM_MODE_FLAG_PIC_AR_256_135:
> +             out->picture_aspect_ratio |= HDMI_PICTURE_ASPECT_256_135;
> +             break;
>       default:
>               out->picture_aspect_ratio = HDMI_PICTURE_ASPECT_NONE;
>               break;
> diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
> index 77c869d6..4d3429b 100644
> --- a/include/uapi/drm/drm_mode.h
> +++ b/include/uapi/drm/drm_mode.h
> @@ -81,6 +81,8 @@ extern "C" {
>  #define DRM_MODE_PICTURE_ASPECT_NONE         0
>  #define DRM_MODE_PICTURE_ASPECT_4_3          1
>  #define DRM_MODE_PICTURE_ASPECT_16_9         2
> +#define DRM_MODE_PICTURE_ASPECT_64_27                3
> +#define DRM_MODE_PICTURE_ASPECT_256_135      4

Minor nit here, but in my tree the '4' above doesn't line up
with the three previous definitions.  I downloaded the series as
a mbox from patchwork.

Jim

>  
>  /* Aspect ratio flag bitmask (4 bits 22:19) */
>  #define DRM_MODE_FLAG_PIC_AR_MASK            (0x0F<<19)
> @@ -90,6 +92,10 @@ extern "C" {
>                       (DRM_MODE_PICTURE_ASPECT_4_3<<19)
>  #define  DRM_MODE_FLAG_PIC_AR_16_9 \
>                       (DRM_MODE_PICTURE_ASPECT_16_9<<19)
> +#define  DRM_MODE_FLAG_PIC_AR_64_27 \
> +                     (DRM_MODE_PICTURE_ASPECT_64_27<<19)
> +#define  DRM_MODE_FLAG_PIC_AR_256_135 \
> +                     (DRM_MODE_PICTURE_ASPECT_256_135<<19)
>  
>  /* DPMS flags */
>  /* bit compatible with the xorg definitions. */
> -- 
> 1.9.1
> 
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