[BUG] drm/vc4: *ERROR* [PLANE:67:plane-20] flip_done timed out

[Stefan Wahren]

Hi Boris,

> Boris Brezillon <boris.brezillon at bootlin.com> hat am 10. Februar 2018 um 17:40 geschrieben:
> 
> 
> Hi Stefan,
> 
> On Sat, 10 Feb 2018 16:57:23 +0100 (CET)
> Stefan Wahren <stefan.wahren at i2se.com> wrote:
> 
> > Hi,
> > i'm having problems while booting Raspberry Pi 1 B (Linux 4.15, bcm2835_defconfig) on my display, which is connected via HDMI. Mostly the screen stays black and i'm getting the following warnings via debug UART. Sometimes after disconnecting HDMI, i'm getting the expected screen.
> 
> Was it working with 4.14?

These "vblank wait timed out" weren't new, but with older versions i always got a screen after some time.

> Could you try after applying this patch
> series [1]?

Great, this series fixed the issue incl the annoying vblank timeouts.

Btw Stephen isn't bcm2835 maintainer anymore, because you add him to CC instead of me for this series.

Thanks
Stefan

> 
> Regards,
> 
> Boris
> 
> [1]https://www.spinics.net/lists/stable/msg214527.html
> 
> -- 
> Boris Brezillon, Bootlin (formerly Free Electrons)
> Embedded Linux and Kernel engineering
> http://bootlin.com