This series parses one of the dark corners of the EDID to expose "4k x 2k" modes to userspace. Those modes are part of HDMI 1.4.
To complete the 4k HDMI support, one needs:
* Hardware able to output a 300 MHz TMDS clock (Haswell can do that) and Daniel's patch to bump that limit in the kernel (already queued).
Author: Daniel Vetter daniel.vetter@ffwll.ch Date: Mon Jul 22 18:02:39 2013 +0200
drm/i915: fix hdmi portclock limits
* The 2 patches attached here to parse the HDMI VICs in the HDMI vendor specific CEA block.
* A DDX patch (for UXA) already merged (and in 2.21.14)
Author: Damien Lespiau damien.lespiau@intel.com Date: Wed Jul 31 18:50:51 2013 +0100
uxa/display: Keep the EDID blob around for the lifetime of an output
* My "Use the TMDS maximum frequency to check mode dot clock" xserver series:
http://lists.x.org/archives/xorg-devel/2013-August/037297.html
The bug referencing all that and the testing by QA:
https://bugs.freedesktop.org/show_bug.cgi?id=67030
Additionally, edid-decode has been taught about those modes as well:
http://lists.freedesktop.org/archives/dri-devel/2013-August/043078.html