[PATCH v1 1/3] drm/msm/dpu: set dirty_fb flag while in self refresh mode

[Doug Anderson]

Hi,

On Fri, Mar 31, 2023 at 6:59 AM Vinod Polimera
<quic_vpolimer at quicinc.com> wrote:
>
> While in virtual terminal mode with PSR enabled, there will be
> no atomic commits triggered without dirty_fb being set. This
> will create a notion of no screen update. Allow atomic commit
> when dirty_fb ioctl is issued, so that it can trigger a PSR exit
> and shows update on the screen.
>
> Reported-by: Bjorn Andersson <andersson at kernel.org>
> Link: https://lore.kernel.org/all/20230326162723.3lo6pnsfdwzsvbhj@ripper/
> Signed-off-by: Vinod Polimera <quic_vpolimer at quicinc.com>
> ---
>  drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 3 +++
>  1 file changed, 3 insertions(+)

I can confirm that this patch plus patch #2 fixes the typing problems
seen on VT2 on a Chromebook using PSR.

Tested-by: Douglas Anderson <dianders at chromium.org>


-Doug