APPLIED: [SRU][H/raspi][PATCH 0/7] HDMI does not display anything with Impish RPi desktop image (LP: #1944397)
stefan.bader at canonical.com
Wed Oct 6 14:54:42 UTC 2021
On 04.10.21 20:16, Juerg Haefliger wrote:
> [ Impact ]
> The desktop does not come up and the screen stays blank when using 'dtoverlay=vc4-kms-v3d' on a Pi 4 (as is the case in raspi desktop images). If the desktop does come up, playing video freezes the desktop and/or the system. The kernel log shows loads of WARNINGs and potentially firmware errors.
> [ Test Case ]
> Use a raspi desktop image, play video (youtube or VLC), move windows around, switch to and from fullscreen video playback.
> [ Where problems could occur ]
> The fixes are all local to the VC4 driver so (new) issues should only show up when that driver is in use. Potential problems are UI freezes, kernel stalls and crashes.
> [ Original Description ]
> See LP: #1944397.
Applied to hirsute:linux-raspi/master-next. Thanks.
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