[PATCH 0/2] drm/vc4: hdmi: Fixes for the RaspberryPi 0-3 stalls

Stefan Wahren stefan.wahren at i2se.com
Mon Oct 10 16:38:59 UTC 2022


Am 10.10.22 um 10:50 schrieb Maxime Ripard:
> Hi Mark, Stefan,
>
> On Thu, Sep 29, 2022 at 11:21:16AM +0200, Maxime Ripard wrote:
>> Here's a series addressing the current bug that has been reported for the
>> RaspberryPi3, where booting without an HDMI monitor attached and with vc4
>> compiled as a module will lead to a stuck system when the module is loaded.
>>
>> This is due to the HSM clock not being initialized by anyone, and thus not
>> being functional once we start accessing the HDMI registers.
>>
>> The first patch will fix this, and the second will make sure we avoid that
>> situation entirely in the future. This has been tested with 5.19.12. Earlier
>> versions might need a backport of 88110a9f6209 ("clk: bcm2835: fix
>> bcm2835_clock_choose_div").
> Could you test/review this?

Looks good to me:

Tested-by: Stefan Wahren <stefan.wahren at i2se.com>

>
> Thanks
> Maxime


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