HDMI 2.0 Support

[Alex Deucher]

On Mon, Aug 8, 2016 at 10:44 AM, Jose Abreu <Jose.Abreu at synopsys.com> wrote:
> Hi,
>
> Currently I am working on some HDMI 2.0 features using the DRM
> infrastructure. I am mainly working in parsing the newly
> introduced EDID blocks such as HDMI Forum Vendor Specific Data
> Block, YCBCR 420 Video Data Block and YCBCR Capability Map Data
> Block. The new blocks require some changes in the EDID parsing,
> the addition of new aspect ratios, the addition of new VIC's and
> also a particularly special configuration flow when in 420 mode.
>
> Before sending patches I would like to know: Is there anyone
> working on something similar? What is your opinion about the
> addition of this new features?

The amdgpu DAL modesetting code supports a lot of HDMI 2 features.
The code is not upstream yet, but there may be useful bits you could
extract:
https://cgit.freedesktop.org/~agd5f/linux/log/?h=amd-staging-4.6

Alex