linux-kernel - [PATCH v2 1/3] dt-bindings: clock: mmcc-sdm660: Add missing MDSS reset

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Message-Id: <20251116-sdm660-mdss-reset-v2-1-6219bec0a97f@postmarketos.org>
Date: Sun, 16 Nov 2025 04:12:33 +0300
From: Alexey Minnekhanov <alexeymin@...tmarketos.org>
To: Bjorn Andersson <andersson@...nel.org>, Stephen Boyd <sboyd@...nel.org>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Konrad Dybcio <konradybcio@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 stable@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht, 
 Alexey Minnekhanov <alexeymin@...tmarketos.org>
Subject: [PATCH v2 1/3] dt-bindings: clock: mmcc-sdm660: Add missing MDSS
 reset

Add definition for display subsystem reset control, so display
driver can reset display controller properly, clearing any
configuration left there by bootloader. Since 6.17 after
PM domains rework it became necessary for display to function.

Fixes: 0e789b491ba0 ("pmdomain: core: Leave powered-on genpds on until sync_state")
Cc: <stable@...r.kernel.org> # 6.17
Signed-off-by: Alexey Minnekhanov <alexeymin@...tmarketos.org>
---
 include/dt-bindings/clock/qcom,mmcc-sdm660.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/dt-bindings/clock/qcom,mmcc-sdm660.h b/include/dt-bindings/clock/qcom,mmcc-sdm660.h
index f9dbc21cb5c7..ee2a89dae72d 100644
--- a/include/dt-bindings/clock/qcom,mmcc-sdm660.h
+++ b/include/dt-bindings/clock/qcom,mmcc-sdm660.h
@@ -157,6 +157,7 @@
 #define BIMC_SMMU_GDSC							7
 
 #define CAMSS_MICRO_BCR				 0
+#define MDSS_BCR				1
 
 #endif
 

-- 
2.51.0