[PATCH RFC] drm/vc4: hdmi: Avoid ASoC error messages on startup

[Stefan Wahren]

Hi,

Am 15.01.21 um 19:39 schrieb Mark Brown:
> On Fri, Jan 15, 2021 at 07:14:37PM +0100, Maxime Ripard wrote:
>> On Wed, Jan 13, 2021 at 11:42:23AM +0000, Mark Brown wrote:
>>> On Wed, Jan 13, 2021 at 10:19:57AM +0100, Maxime Ripard wrote:
>>>> I'd like to get Mark's opinion before merging though
>>> I'm not sure what the question is here?  I get CCed on a bunch of not
>>> obviously relevant DRM patches so there's a good chance I've just
>>> deleted some relevnat discussion.
>> The patch is question is here:
>> https://lore.kernel.org/dri-devel/1609256210-19863-1-git-send-email-stefan.wahren@i2se.com/
>> In particular, I'm not so sure whether it's fine to return -EPROBE_DEFER
>> in the startup hook.
> I wouldn't expect that to do anything useful and IIRC that error code
> will end up in userspace which isn't good.  If the driver wants to defer
> probe it should defer it from the probe() routine, after the driver has
> been instantiated I'm not sure what the expectation would be.  In
> general a driver should acquire all resources it needs when probing.

understand. Unfortunately, currently i don't have the time to
investigate how we can achieve this with this drm driver.

Maybe some else can take over?

Regards
Stefan