APPLIED: [SRU][R:linux-raspi][PATCH 0/1] Fix panel-simple handling of panel-dsi
Manuel Diewald
manuel.diewald at canonical.com
Tue Jun 23 14:26:36 UTC 2026
On Tue, Jun 16, 2026 at 07:26:56PM +1000, Yufeng Gao via kernel-team wrote:
> BugLink: https://bugs.launchpad.net/bugs/2156861
>
> SRU Justification
>
> [Impact]
>
> With the patches from EDATEC applied to the Ubuntu r/linux-raspi kernel, the display
> works on the 10" display but shows a black screen on for the 7" display. EDATEC
> determined this to be caused by the missing panel-dsi fixes that happened recently.
> Applying the missing fixes solves the issue.
>
> [Fix]
>
> Pull the fix from upstream Raspberry Pi tree (rpi-7.0.y branch):
> - 1992e3568d0a0 drm/panel-simple: Fix handling of panel-dsi
>
> [Test Plan]
>
> * Compile tested
> * Boot tested
> * No impacts to existing features found
>
> Install the built packages and the correct config.txt, reboot the machine and the 7"
> display should now show actual graphics instead of just a backlight. The first thing
> visible should be the boot logo.
>
> [Regression potential]
>
> Relatively low, as change is a bug fix from upstream.
>
> Dave Stevenson (1):
> drm/panel-simple: Fix handling of panel-dsi
>
> drivers/gpu/drm/panel/panel-simple.c | 225 ++++++++++++---------------
> 1 file changed, 102 insertions(+), 123 deletions(-)
>
> --
> 2.43.0
>
>
> --
> kernel-team mailing list
> kernel-team at lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/kernel-team
Applied to resolute:linux-raspi/master-next. Thanks!
--
Manuel
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