Re: Revert "arm64: dts: qcom: sm8250: remove bus clock from the mdss node for sm8250 target"

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On Fri, 15 Oct 2021 at 02:53, Dmitry Baryshkov
<dmitry.baryshkov@xxxxxxxxxx> wrote:
>
> On Thu, 14 Oct 2021 at 19:54, Vladimir Zapolskiy
> <vladimir.zapolskiy@xxxxxxxxxx> wrote:
> >
> > Hi Dmitry,
> >
> > On 10/14/21 4:54 PM, Dmitry Baryshkov wrote:
> > > From: Amit Pundir <amit.pundir@xxxxxxxxxx>
> > >
> > > This reverts commit 001ce9785c0674d913531345e86222c965fc8bf4.
> > >
> > > This upstream commit broke AOSP (post Android 12 merge) build
> > > on RB5. The device either silently crashes into USB crash mode
> > > after android boot animation or we see a blank blue screen
> > > with following dpu errors in dmesg:
> > >
> > > [  T444] hw recovery is not complete for ctl:3
> > > [  T444] [drm:dpu_encoder_phys_vid_prepare_for_kickoff:539] [dpu error]enc31 intf1 ctl 3 reset failure: -22
> > > [  T444] [drm:dpu_encoder_phys_vid_wait_for_commit_done:513] [dpu error]vblank timeout
> > > [  T444] [drm:dpu_kms_wait_for_commit_done:454] [dpu error]wait for commit done returned -110
> > > [    C7] [drm:dpu_encoder_frame_done_timeout:2127] [dpu error]enc31 frame done timeout
> > > [  T444] [drm:dpu_encoder_phys_vid_wait_for_commit_done:513] [dpu error]vblank timeout
> > > [  T444] [drm:dpu_kms_wait_for_commit_done:454] [dpu error]wait for commit done returned -110
> > >
> > > Signed-off-by: Amit Pundir <amit.pundir@xxxxxxxxxx>
> >
> > your sob tag is missing.
>
> True. I hope this is fine:
>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
>

Hi,

Any update on this? I'd really like to see this or a relevant fix to
land in v5.15, because I can't boot AOSP on RB5 otherwise.

Regards,
Amit Pundir

> >
> > > ---
> > >   arch/arm64/boot/dts/qcom/sm8250.dtsi | 3 ++-
> > >   1 file changed, 2 insertions(+), 1 deletion(-)
> > >
> > > diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi
> > > index 8c15d9fed08f..d12e4cbfc852 100644
> > > --- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
> > > +++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
> > > @@ -2590,9 +2590,10 @@
> > >                       power-domains = <&dispcc MDSS_GDSC>;
> > >
> > >                       clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
> > > +                              <&gcc GCC_DISP_HF_AXI_CLK>,
> > >                                <&gcc GCC_DISP_SF_AXI_CLK>,
> > >                                <&dispcc DISP_CC_MDSS_MDP_CLK>;
> > > -                     clock-names = "iface", "nrt_bus", "core";
> > > +                     clock-names = "iface", "bus", "nrt_bus", "core";
> > >
> > >                       assigned-clocks = <&dispcc DISP_CC_MDSS_MDP_CLK>;
> > >                       assigned-clock-rates = <460000000>;
> > >
> >
> > --
> > Best wishes,
> > Vladimir
>
>
>
> --
> With best wishes
> Dmitry



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