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

2019-11-15 Thread Ville Syrjälä
On Tue, Nov 12, 2019 at 03:53:06PM +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. Otherwi

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

2019-11-11 Thread Wayne Lin
[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 aspe