[PATCH V2 1/2] drm/edid: Add aspect ratios to HDMI 4K modes

Ville Syrjälä ville.syrjala at linux.intel.com
Fri Nov 29 15:08:45 UTC 2019


On Mon, Nov 18, 2019 at 06:18:31PM +0800, Wayne Lin wrote:
> [Why]
> HDMI 2.0 adds aspect ratio attribute to distinguish different
> 4k modes. According to Appendix E of HDMI 2.0 spec, source should
> use VSIF to indicate video mode only when the mode is one defined
> in HDMI 1.4b 4K modes. Otherwise, use AVI infoframes to convey VIC.
> 
> Current code doesn't take aspect ratio into consideration while
> constructing avi infoframe. Should modify that.
> 
> [How]
> Inherit Ville Syrjälä's work
> "drm/edid: Prep for HDMI VIC aspect ratio" at
> https://patchwork.kernel.org/patch/11174639/
> 
> Add picture_aspect_ratio attributes to edid_4k_modes[] and
> construct VIC and HDMI_VIC by taking aspect ratio into
> consideration.
> 
> v2: Correct missing initializer error at adding aspect ratio of 
> SMPTE mode.
> 
> Signed-off-by: Wayne Lin <Wayne.Lin at amd.com>

Our CI didn't complain about anything that looked relevant,
so I went ahead an pushed these to drm-misc-next.

Thanks for the patches.

-- 
Ville Syrjälä
Intel


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