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From: Steev Klimaszewski <steev@kali.org>
To: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
	Andy Gross <agross@kernel.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Rob Clark <robdclark@gmail.com>, Sean Paul <sean@poorly.run>,
	Abhinav Kumar <abhinavk@codeaurora.org>,
	Rob Herring <robh+dt@kernel.org>
Cc: Jonathan Marek <jonathan@marek.ca>,
	Stephen Boyd <sboyd@kernel.org>, David Airlie <airlied@linux.ie>,
	Daniel Vetter <daniel@ffwll.ch>,
	linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
	freedreno@lists.freedesktop.org, devicetree@vger.kernel.org,
	Amit Pundir <amit.pundir@linaro.org>
Subject: Re: Revert "arm64: dts: qcom: sm8250: remove bus clock from the mdss node for sm8250 target"
Date: Thu, 14 Oct 2021 10:42:19 -0500	[thread overview]
Message-ID: <298400eb-fe8d-6a92-6ff4-6188a8f3161a@kali.org> (raw)
In-Reply-To: <20211014135410.4136412-1-dmitry.baryshkov@linaro.org>


On 10/14/21 8:54 AM, Dmitry Baryshkov wrote:
> From: Amit Pundir <amit.pundir@linaro.org>
>
> 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@linaro.org>
> ---
>   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>;


Is this the correct fix for the issue?  I see those same messages on the 
Lenovo Yoga C630 every so often as well as the blue screen, however I 
see them on both 5.14 (which does not have the related commit to this), 
and in 5.15-rcX, which does.  Or does this just revert it enough that it 
doesn't occur as often?


  reply	other threads:[~2021-10-14 15:42 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-14 13:54 Revert "arm64: dts: qcom: sm8250: remove bus clock from the mdss node for sm8250 target" Dmitry Baryshkov
2021-10-14 15:42 ` Steev Klimaszewski [this message]
2021-10-14 15:47   ` Steev Klimaszewski
2021-10-14 16:54 ` Vladimir Zapolskiy
2021-10-14 21:23   ` Dmitry Baryshkov
2021-10-22 19:24     ` Amit Pundir
2021-10-25 20:20 ` patchwork-bot+linux-arm-msm

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