linux-kernel - [PATCH 2/3] clk: qcom: dispcc-sc7180: Add missing MDSS resets

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Message-Id: <20260120-topic-7180_dispcc_bcr-v1-2-0b1b442156c3@oss.qualcomm.com>
Date: Tue, 20 Jan 2026 12:19:26 +0100
From: Konrad Dybcio <konradybcio@...nel.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Taniya Das <quic_tdas@...cinc.com>, 
 cros-qcom-dts-watchers@...omium.org, Konrad Dybcio <konradybcio@...nel.org>, 
 Kalyan Thota <quic_kalyant@...cinc.com>, 
 Douglas Anderson <dianders@...omium.org>, 
 Harigovindan P <harigovi@...eaurora.org>
Cc: linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Subject: [PATCH 2/3] clk: qcom: dispcc-sc7180: Add missing MDSS resets

From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>

The MDSS resets have so far been left undescribed. Fix that.

Fixes: dd3d06622138 ("clk: qcom: Add display clock controller driver for SC7180")
Signed-off-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
---
 drivers/clk/qcom/dispcc-sc7180.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/clk/qcom/dispcc-sc7180.c b/drivers/clk/qcom/dispcc-sc7180.c
index ab1a8d419863..d7e37fbbe87e 100644
--- a/drivers/clk/qcom/dispcc-sc7180.c
+++ b/drivers/clk/qcom/dispcc-sc7180.c
@@ -17,6 +17,7 @@
 #include "clk-regmap-divider.h"
 #include "common.h"
 #include "gdsc.h"
+#include "reset.h"
 
 enum {
 	P_BI_TCXO,
@@ -636,6 +637,11 @@ static struct gdsc mdss_gdsc = {
 	.flags = HW_CTRL,
 };
 
+static const struct qcom_reset_map disp_cc_sc7180_resets[] = {
+	[DISP_CC_MDSS_CORE_BCR] = { 0x2000 },
+	[DISP_CC_MDSS_RSCC_BCR] = { 0x4000 },
+};
+
 static struct gdsc *disp_cc_sc7180_gdscs[] = {
 	[MDSS_GDSC] = &mdss_gdsc,
 };
@@ -687,6 +693,8 @@ static const struct qcom_cc_desc disp_cc_sc7180_desc = {
 	.config = &disp_cc_sc7180_regmap_config,
 	.clks = disp_cc_sc7180_clocks,
 	.num_clks = ARRAY_SIZE(disp_cc_sc7180_clocks),
+	.resets = disp_cc_sc7180_resets,
+	.num_resets = ARRAY_SIZE(disp_cc_sc7180_resets),
 	.gdscs = disp_cc_sc7180_gdscs,
 	.num_gdscs = ARRAY_SIZE(disp_cc_sc7180_gdscs),
 };

-- 
2.52.0