* [PATCH RFT] arm64: dts: qcom: sm8250: Add MDSS_CORE reset to mdss
@ 2025-09-30 7:37 Luca Weiss
2025-09-30 19:31 ` Dmitry Baryshkov
2025-10-27 22:37 ` Bjorn Andersson
0 siblings, 2 replies; 4+ messages in thread
From: Luca Weiss @ 2025-09-30 7:37 UTC (permalink / raw)
To: Bjorn Andersson, Konrad Dybcio, Rob Herring, Krzysztof Kozlowski,
Conor Dooley
Cc: ~postmarketos/upstreaming, phone-devel, linux-arm-msm, devicetree,
linux-kernel, Luca Weiss
Like on other platforms, if the OS does not support recovering the state
left by the bootloader it needs access to MDSS_CORE, so that it can
clear the MDSS configuration. Add a reference to the relevant reset.
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
---
Not tested on a device, but should be necessary on v6.17 kernel.
---
arch/arm64/boot/dts/qcom/sm8250.dtsi | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi
index b30aea8b05409094837ad494389d7c22fa1ba7dd..9bcb2c4c34388f343fb93083977b8d2e9a724bb3 100644
--- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
@@ -4687,6 +4687,8 @@ mdss: display-subsystem@ae00000 {
iommus = <&apps_smmu 0x820 0x402>;
+ resets = <&dispcc DISP_CC_MDSS_CORE_BCR>;
+
status = "disabled";
#address-cells = <2>;
---
base-commit: e5f0a698b34ed76002dc5cff3804a61c80233a7a
change-id: 20250930-sm8250-mdss-reset-307c3e921d03
Best regards,
--
Luca Weiss <luca.weiss@fairphone.com>
^ permalink raw reply related [flat|nested] 4+ messages in thread* Re: [PATCH RFT] arm64: dts: qcom: sm8250: Add MDSS_CORE reset to mdss
2025-09-30 7:37 [PATCH RFT] arm64: dts: qcom: sm8250: Add MDSS_CORE reset to mdss Luca Weiss
@ 2025-09-30 19:31 ` Dmitry Baryshkov
2025-10-27 22:37 ` Bjorn Andersson
1 sibling, 0 replies; 4+ messages in thread
From: Dmitry Baryshkov @ 2025-09-30 19:31 UTC (permalink / raw)
To: Luca Weiss
Cc: Bjorn Andersson, Konrad Dybcio, Rob Herring, Krzysztof Kozlowski,
Conor Dooley, ~postmarketos/upstreaming, phone-devel,
linux-arm-msm, devicetree, linux-kernel
On Tue, Sep 30, 2025 at 09:37:22AM +0200, Luca Weiss wrote:
> Like on other platforms, if the OS does not support recovering the state
> left by the bootloader it needs access to MDSS_CORE, so that it can
> clear the MDSS configuration. Add a reference to the relevant reset.
>
> Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
> ---
> Not tested on a device, but should be necessary on v6.17 kernel.
> ---
> arch/arm64/boot/dts/qcom/sm8250.dtsi | 2 ++
> 1 file changed, 2 insertions(+)
>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> # RB5
--
With best wishes
Dmitry
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH RFT] arm64: dts: qcom: sm8250: Add MDSS_CORE reset to mdss
2025-09-30 7:37 [PATCH RFT] arm64: dts: qcom: sm8250: Add MDSS_CORE reset to mdss Luca Weiss
2025-09-30 19:31 ` Dmitry Baryshkov
@ 2025-10-27 22:37 ` Bjorn Andersson
1 sibling, 0 replies; 4+ messages in thread
From: Bjorn Andersson @ 2025-10-27 22:37 UTC (permalink / raw)
To: Konrad Dybcio, Rob Herring, Krzysztof Kozlowski, Conor Dooley,
Luca Weiss
Cc: ~postmarketos/upstreaming, phone-devel, linux-arm-msm, devicetree,
linux-kernel
On Tue, 30 Sep 2025 09:37:22 +0200, Luca Weiss wrote:
> Like on other platforms, if the OS does not support recovering the state
> left by the bootloader it needs access to MDSS_CORE, so that it can
> clear the MDSS configuration. Add a reference to the relevant reset.
>
>
Applied, thanks!
[1/1] arm64: dts: qcom: sm8250: Add MDSS_CORE reset to mdss
commit: 8b4faf419d601cead68d7821618369e2c0338b86
Best regards,
--
Bjorn Andersson <andersson@kernel.org>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH RFT] arm64: dts: qcom: sm8250: Add MDSS_CORE reset to mdss
@ 2025-10-01 6:35 Philippe Simons
0 siblings, 0 replies; 4+ messages in thread
From: Philippe Simons @ 2025-10-01 6:35 UTC (permalink / raw)
To: luca.weiss
Cc: andersson, Conor Dooley,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
konradybcio, Krzysztof Kozlowski, linux-arm-msm, open list,
phone-devel, Rob Herring, ~postmarketos/upstreaming
Fix panel not enabled on sm8250.
Tested-by: Philippe Simons <simons.philippe@gmail.com>
Thanks
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2025-10-27 22:35 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2025-09-30 7:37 [PATCH RFT] arm64: dts: qcom: sm8250: Add MDSS_CORE reset to mdss Luca Weiss
2025-09-30 19:31 ` Dmitry Baryshkov
2025-10-27 22:37 ` Bjorn Andersson
-- strict thread matches above, loose matches on Subject: below --
2025-10-01 6:35 Philippe Simons
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox