linux-kernel - [PATCH] clk: qcom: dispcc-sc8280xp: Use ret registers on GDSCs

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Date:   Tue, 25 Jul 2023 10:51:56 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH] clk: qcom: dispcc-sc8280xp: Use ret registers on GDSCs

The DISP_CC GDSCs have not been instructed to use the ret registers.
Fix that.

Fixes: 4a66e76fdb6d ("clk: qcom: Add SC8280XP display clock controller")
Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 drivers/clk/qcom/dispcc-sc8280xp.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/clk/qcom/dispcc-sc8280xp.c b/drivers/clk/qcom/dispcc-sc8280xp.c
index 167470beb369..30f636b9f0ec 100644
--- a/drivers/clk/qcom/dispcc-sc8280xp.c
+++ b/drivers/clk/qcom/dispcc-sc8280xp.c
@@ -3057,7 +3057,7 @@ static struct gdsc disp0_mdss_gdsc = {
 		.name = "disp0_mdss_gdsc",
 	},
 	.pwrsts = PWRSTS_OFF_ON,
-	.flags = HW_CTRL,
+	.flags = HW_CTRL | RETAIN_FF_ENABLE,
 };
 
 static struct gdsc disp1_mdss_gdsc = {
@@ -3069,7 +3069,7 @@ static struct gdsc disp1_mdss_gdsc = {
 		.name = "disp1_mdss_gdsc",
 	},
 	.pwrsts = PWRSTS_OFF_ON,
-	.flags = HW_CTRL,
+	.flags = HW_CTRL | RETAIN_FF_ENABLE,
 };
 
 static struct gdsc disp0_mdss_int2_gdsc = {
@@ -3081,7 +3081,7 @@ static struct gdsc disp0_mdss_int2_gdsc = {
 		.name = "disp0_mdss_int2_gdsc",
 	},
 	.pwrsts = PWRSTS_OFF_ON,
-	.flags = HW_CTRL,
+	.flags = HW_CTRL | RETAIN_FF_ENABLE,
 };
 
 static struct gdsc disp1_mdss_int2_gdsc = {
@@ -3093,7 +3093,7 @@ static struct gdsc disp1_mdss_int2_gdsc = {
 		.name = "disp1_mdss_int2_gdsc",
 	},
 	.pwrsts = PWRSTS_OFF_ON,
-	.flags = HW_CTRL,
+	.flags = HW_CTRL | RETAIN_FF_ENABLE,
 };
 
 static struct gdsc *disp0_cc_sc8280xp_gdscs[] = {

---
base-commit: 1e25dd7772483f477f79986d956028e9f47f990a
change-id: 20230725-topic-8280_dispcc_gdsc-b1a7f3e51f3c

Best regards,
-- 
Konrad Dybcio <konrad.dybcio@...aro.org>