[Intel-gfx] [PATCH v4 2/2] drm: Add HDMI 2.0 VIC support for AVI info-frames

[Ilia Mirkin]

On Thu, Mar 23, 2017 at 11:22 AM, Sharma, Shashank
<shashank.sharma at intel.com> wrote:
> On 3/23/2017 5:17 PM, Ilia Mirkin wrote:
>>
>> On Thu, Mar 23, 2017 at 11:14 AM, Shashank Sharma
>> <shashank.sharma at intel.com> wrote:
>>>
>>> HDMI 1.4b support the CEA video modes as per range of CEA-861-D (VIC
>>> 1-64).
>>> For any other mode, the VIC filed in AVI infoframes should be 0.
>>> HDMI 2.0 sinks, support video modes range as per CEA-861-F spec, which is
>>> extended to (VIC 1-107).
>>>
>>> This patch adds a bool input variable, which indicates if the connected
>>> sink is a HDMI 2.0 sink or not. This will make sure that we don't pass a
>>> HDMI 2.0 VIC to a HDMI 1.4 sink.
>>
>> Should this patch come before the patch which recognizes VICs 65+?
>> Otherwise if only the first patch is applied but not this one, you
>> could end up with the bad scenario. (As can happen in bisections, for
>> example.)
>
> I kindof agree, this could be the case, but also, for the correct
> functionality, you should have the whole series
> together.

OK, so ... I have a bug in my filesystem, and I'm bisecting it and
rebooting my box at each step. I happen to hit this commit in my
bisect and my monitor doesn't turn on? Seems unpleasant, no?