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.sharma@xxxxxxxxx>
> Reviewed-by: Sean Paul <seanpaul@xxxxxxxxxxxx>
> Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
> Cc: Emil Velikov <emil.l.velikov@xxxxxxxxx>
> ---
> 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
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
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