Re: [PATCH v3 16/24] drm/sun4i: Enable DW HDMI PHY clock

From: Chen-Yu Tsai
Date: Fri Jun 29 2018 - 21:12:06 EST


On Sat, Jun 30, 2018 at 3:19 AM, Jernej Åkrabec <jernej.skrabec@xxxxxxxx> wrote:
> Dne Äetrtek, 28. junij 2018 ob 04:22:36 CEST je Chen-Yu Tsai napisal(a):
>> On Mon, Jun 25, 2018 at 8:02 PM, Jernej Skrabec <jernej.skrabec@xxxxxxxx>
> wrote:
>> > Current DW HDMI PHY code never prepares and enables PHY clock after it is
>> > created. It's just used as it is. This may work in some cases, but it's
>> > clearly wrong. Fix it by adding proper calls to enable/disable PHY
>> > clock.
>> >
>> > Fixes: 4f86e81748fe ("drm/sun4i: Add support for H3 HDMI PHY variant")
>> >
>> > Signed-off-by: Jernej Skrabec <jernej.skrabec@xxxxxxxx>
>>
>> So why does it work on the H3? Because there's only one PLL that the whole
>> display pipeline uses?
>>
>> We should probably tag this for stable. So,
>>
>> Cc: <stable@xxxxxxxxxxxxxxx>
>> Reviewed-by: Chen-Yu Tsai <wens@xxxxxxxx>
>
> Same question as before, how this should be handled? Can I send separate patch
> with same content to stable ML only?

Yes, including the hash of the commit which is already in Linus' tree. So
you have to send it after the next -rc1.

ChenYu