Adrian Perez

I would remove the commit with all the formatting fixes, and only do the minimum amount of formatting required by the changes in the other patch. The only formatting change...

@psaavedra Ping 🏓, please let me know about the question above when you have time. Thanks!

@DerArtem I suppose [this is the board](https://www.st.com/en/partner-products-and-services/som-stm32mp1.html), which according to [this PDF](https://emcraft.com/som/stm32mp1/stm32mp1-som-ha-1_2.pdf) comes with a Vivante GPU, and I assume the screen output is configured to use the built-in MIPI...

@DerArtem Can you try disabling atomic mode setting? Something like this should do: ```sh cat > cog.conf

Any chance of proving the output logged with debug logging enabled? The following command would do: ```sh G_MESSAGES_DEBUG=all \ cog -P drm --ignore-tls-errors webglsamples.org/aquarium/aquarium.html \ 2>&1 | tee cog-debug.log ```...

Not sure if related, but we have also glitches reported with the `drm` plug-in on STM32MP1, on issue #543 🤔

@sedlalu2 Good report, with versions of involved components 👌🏼. For the same of completeness, which Wayland compositor are you using, and which version?

@sedlalu2 Thanks for the additional info. I've had Cog working well on Weston 9.x + Wayland 1.19.x on an iMX.8 based board a while ago with the Vivante proprietary driver...

@sedlalu2 We are suspecting there might be a DRM/KMS driver bug, so it could be a good idea to try and run something simpler than WPE to confirm (or discard)...

@sedlalu2 Those are very interesting findings, thanks for letting us all know! It looks like there is definitely some driver issue with the proprietary driver (or which gets triggered only...