Messages in this thread | | | From | Sudip Mukherjee <> | Date | Thu, 18 Aug 2022 21:36:35 +0100 | Subject | Re: drm warning with mainline due to 467e30171b5b ("drm/vc4: hdmi: Move HDMI reset to pm_resume") |
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On Wed, Aug 17, 2022 at 8:10 AM Maxime Ripard <maxime@cerno.tech> wrote: > > Hi, > > On Tue, Aug 16, 2022 at 05:34:51PM +0100, Sudip Mukherjee (Codethink) wrote: > > Not sure if it has been reported but the mainline kernel shows a drm warning > > on RPI4B. > > > > [ 14.821276] WARNING: CPU: 3 PID: 187 at drivers/gpu/drm/vc4/vc4_hdmi_regs.h:487 vc5_hdmi_reset+0x1f8/0x240 [vc4]
<snip>
> > > > git bisect pointed to 467e30171b5b ("drm/vc4: hdmi: Move HDMI reset to pm_resume") > > and reverting this commit has fixed the warning. > > > > I will be happy to test any patch or provide any extra log if needed. > > We have fixes for this in drm-misc-next that have missed the cut for the > merge window: > > https://lore.kernel.org/all/20220629123510.1915022-38-maxime@cerno.tech/ > https://lore.kernel.org/all/20220629123510.1915022-39-maxime@cerno.tech/ > > If it fixes it for you, I'll apply it to drm-misc-fixes
Thanks. With these two patches applied on top of the latest mainline, I don't see the warning anymore.
Tested-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
-- Regards Sudip
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