[PATCH] gpu: drm_dp_cec: fix broken CEC adapter properties check

[Dmitry Baryshkov]

On Wed, Jan 29, 2025 at 11:56:39PM +0100, Jens Schmidt wrote:
> On 2025-01-29  10:51, Hans Verkuil wrote:
> 
> > Jens (aka Farblos), can you test this patch?
> 
> TL;DR: Your patch fixes the issue on my system, thanks.

Could you please respond with the 'Tested-by: Your Name <email>' tag on
a separate line?

> 
> Details:
> 
> ### build #13 - stock 6.12.10 kernel
> 
> [~]$ uname -a
> Linux host01 6.12.10 #13 SMP PREEMPT_DYNAMIC Wed Jan 29 22:10:03 CET 2025 x86_64 GNU/Linux
> 
> [~]$ ls -ald /sys/devices/pci0000:00/0000:00:02.0/rc/rc0/input*
> drwxr-xr-x 6 root root 0 Jan 29 22:17 /sys/devices/pci0000:00/0000:00:02.0/rc/rc0/input30
> 
> # you also get quite a lot of these without your patch ...
> [~]$ journalctl --boot | grep -c 'kernel: Registered IR keymap rc-cec'
> 7
> 
> ### build #14 - 6.12.10 with your patch
> 
> [~]$ uname -a
> Linux host01 6.12.10 #14 SMP PREEMPT_DYNAMIC Wed Jan 29 22:24:47 CET 2025 x86_64 GNU/Linux
> 
> [~]$ ls -ald /sys/devices/pci0000:00/0000:00:02.0/rc/rc0/input*
> drwxr-xr-x 6 root root 0 Jan 29 22:27 /sys/devices/pci0000:00/0000:00:02.0/rc/rc0/input11
> 
> [~]$ journalctl --boot | grep -c 'kernel: Registered IR keymap rc-cec'
> 1
> 
> ... wait ... let screen saver kick in ... wait ...
> 
> [~]$ ls -ald /sys/devices/pci0000:00/0000:00:02.0/rc/rc0/input*
> drwxr-xr-x 6 root root 0 Jan 29 22:27 /sys/devices/pci0000:00/0000:00:02.0/rc/rc0/input11
> 
> [~]$ journalctl --boot | grep -c 'kernel: Registered IR keymap rc-cec'
> 1
> 

-- 
With best wishes
Dmitry