On Wed, 18 Oct 2023 at 10:46, Dmitry Baryshkov
<dmitry.baryshkov@xxxxxxxxxx> wrote:
>
> While developing and testing the commit bfcc3d8f94f4 ("drm/msm/dp:
> support setting the DP subconnector type") I had the patch [1] in my
> tree. I haven't noticed that it was a dependency for the commit in
> question. Mea culpa.
[1] https://patchwork.freedesktop.org/patch/555530/
> Since the patch has not landed yet (and even was not reviewed)
> and since one of the bridges erroneously uses USB connector type instead
> of DP, attach the property directly from the MSM DP driver.
>
> This fixes the following oops on DP HPD event:
>
> drm_object_property_set_value (drivers/gpu/drm/drm_mode_object.c:288)
> dp_display_process_hpd_high (drivers/gpu/drm/msm/dp/dp_display.c:402)
> dp_hpd_plug_handle.isra.0 (drivers/gpu/drm/msm/dp/dp_display.c:604)
> hpd_event_thread (drivers/gpu/drm/msm/dp/dp_display.c:1110)
> kthread (kernel/kthread.c:388)
> ret_from_fork (arch/arm64/kernel/entry.S:858)
--
With best wishes
Dmitry
