[PATCH 0/5] drm/vc4: hdmi: Remove CPU hangs, take 2

[Florian Fainelli]

On 9/30/21 11:09 AM, Stephen Boyd wrote:
> Quoting Maxime Ripard (2021-09-28 06:05:49)
>> On Fri, Sep 24, 2021 at 09:40:44AM +0200, Maxime Ripard wrote:
>>> Hi,
>>>
>>> On Wed, Sep 22, 2021 at 02:54:14PM +0200, Maxime Ripard wrote:
>>>> Hi,
>>>>
>>>> Here's another attempt at fixing the complete CPU stall while retrieving the
>>>> HDMI connector status when the connector is disabled.
>>>>
>>>> This was fixed already, but eventually got reverted by Linus due to the same
>>>> symptom happening in another situation. This was likely (but not confirmed by
>>>> the reporter) due to the kernel being booted without an HDMI display connected,
>>>> in which case the firmware won't initialise the HDMI State Machine clock.
>>>>
>>>> This is fixed by patch 3. However, further changes in the clock drivers were
>>>> needed for clk_set_min_rate to be used, which are patches 1 and 2.
>>>>
>>>> Finally, patches 4 and 5 are the original patches that were reverted. Patch 4
>>>> got a small modification to move the clk_set_min_rate() call before the HSM
>>>> clock is enabled.
>>>
>>> If we merge the clock patches and DRM patches separately we're going to
>>> break bisectability. I guess the easiest approach would be to merge the
>>> clk patches through DRM. Does that work for everyone?
>>
>> Anyone? I can ask around for reviews on DRM, but I'd really like some
>> reviews on the clock patches here..
>>
> 
> Looks ok to me to take through drm.

Same here, assuming I even have a say in this ;)
-- 
Florian