* [PATCH 1/4] dt-bindings: clock: gcc-msm8917: Add missing MDSS reset
2025-11-16 22:10 [PATCH 0/4] MSM8917/MSM837: Add missing MDSS reset Barnabás Czémán
@ 2025-11-16 22:10 ` Barnabás Czémán
2025-11-16 22:10 ` [PATCH 2/4] clk: qcom: " Barnabás Czémán
` (2 subsequent siblings)
3 siblings, 0 replies; 9+ messages in thread
From: Barnabás Czémán @ 2025-11-16 22:10 UTC (permalink / raw)
To: Bjorn Andersson, Michael Turquette, Stephen Boyd, Rob Herring,
Krzysztof Kozlowski, Conor Dooley, Konrad Dybcio
Cc: linux-arm-msm, linux-clk, devicetree, linux-kernel,
Barnabás Czémán
Add definition for MDSS reset can be found on MSM8917 and MSM8937.
Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
---
include/dt-bindings/clock/qcom,gcc-msm8917.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/dt-bindings/clock/qcom,gcc-msm8917.h b/include/dt-bindings/clock/qcom,gcc-msm8917.h
index 4e3897b3669d..4265460bfb30 100644
--- a/include/dt-bindings/clock/qcom,gcc-msm8917.h
+++ b/include/dt-bindings/clock/qcom,gcc-msm8917.h
@@ -194,6 +194,7 @@
#define GCC_QUSB2_PHY_BCR 2
#define GCC_USB_HS_BCR 3
#define GCC_USB2_HS_PHY_ONLY_BCR 4
+#define GCC_MDSS_BCR 5
/* GDSCs */
#define CPP_GDSC 0
--
2.51.2
^ permalink raw reply [flat|nested] 9+ messages in thread* [PATCH 2/4] clk: qcom: gcc-msm8917: Add missing MDSS reset
2025-11-16 22:10 [PATCH 0/4] MSM8917/MSM837: Add missing MDSS reset Barnabás Czémán
2025-11-16 22:10 ` [PATCH 1/4] dt-bindings: clock: gcc-msm8917: " Barnabás Czémán
@ 2025-11-16 22:10 ` Barnabás Czémán
2025-11-16 22:18 ` barnabas.czeman
2025-11-17 8:01 ` Taniya Das
2025-11-16 22:10 ` [PATCH 3/4] arm64: dts: qcom: msm8917: add reset for display subsystem Barnabás Czémán
2025-11-16 22:10 ` [PATCH 4/4] arm64: dts: qcom: msm8937: " Barnabás Czémán
3 siblings, 2 replies; 9+ messages in thread
From: Barnabás Czémán @ 2025-11-16 22:10 UTC (permalink / raw)
To: Bjorn Andersson, Michael Turquette, Stephen Boyd, Rob Herring,
Krzysztof Kozlowski, Conor Dooley, Konrad Dybcio
Cc: linux-arm-msm, linux-clk, devicetree, linux-kernel,
Barnabás Czémán, Barnabás Czémán
From: Barnabás Czémán <trabarni@gmail.com>
Add missing MDSS reset can be found on MSM8917 and MSM8937.
Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
---
drivers/clk/qcom/gcc-msm8917.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/clk/qcom/gcc-msm8917.c b/drivers/clk/qcom/gcc-msm8917.c
index 0a1aa623cd49..248fa0fd86f5 100644
--- a/drivers/clk/qcom/gcc-msm8917.c
+++ b/drivers/clk/qcom/gcc-msm8917.c
@@ -3770,6 +3770,7 @@ static const struct qcom_reset_map gcc_msm8917_resets[] = {
[GCC_QUSB2_PHY_BCR] = { 0x4103c },
[GCC_USB_HS_BCR] = { 0x41000 },
[GCC_USB2_HS_PHY_ONLY_BCR] = { 0x41034 },
+ [GCC_MDSS_BCR] = { 0x4d074 },
};
static const struct regmap_config gcc_msm8917_regmap_config = {
--
2.51.2
^ permalink raw reply [flat|nested] 9+ messages in thread* Re: [PATCH 2/4] clk: qcom: gcc-msm8917: Add missing MDSS reset
2025-11-16 22:10 ` [PATCH 2/4] clk: qcom: " Barnabás Czémán
@ 2025-11-16 22:18 ` barnabas.czeman
2025-11-17 8:01 ` Taniya Das
1 sibling, 0 replies; 9+ messages in thread
From: barnabas.czeman @ 2025-11-16 22:18 UTC (permalink / raw)
To: Bjorn Andersson, Michael Turquette, Stephen Boyd, Rob Herring,
Krzysztof Kozlowski, Conor Dooley, Konrad Dybcio
Cc: linux-arm-msm, linux-clk, devicetree, linux-kernel,
Barnabás Czémán
On 2025-11-16 23:10, Barnabás Czémán wrote:
> From: Barnabás Czémán <trabarni@gmail.com>
This is my old mail, should I send a v2 to fix it?
>
> Add missing MDSS reset can be found on MSM8917 and MSM8937.
>
> Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
> ---
> drivers/clk/qcom/gcc-msm8917.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/clk/qcom/gcc-msm8917.c
> b/drivers/clk/qcom/gcc-msm8917.c
> index 0a1aa623cd49..248fa0fd86f5 100644
> --- a/drivers/clk/qcom/gcc-msm8917.c
> +++ b/drivers/clk/qcom/gcc-msm8917.c
> @@ -3770,6 +3770,7 @@ static const struct qcom_reset_map
> gcc_msm8917_resets[] = {
> [GCC_QUSB2_PHY_BCR] = { 0x4103c },
> [GCC_USB_HS_BCR] = { 0x41000 },
> [GCC_USB2_HS_PHY_ONLY_BCR] = { 0x41034 },
> + [GCC_MDSS_BCR] = { 0x4d074 },
> };
>
> static const struct regmap_config gcc_msm8917_regmap_config = {
^ permalink raw reply [flat|nested] 9+ messages in thread* Re: [PATCH 2/4] clk: qcom: gcc-msm8917: Add missing MDSS reset
2025-11-16 22:10 ` [PATCH 2/4] clk: qcom: " Barnabás Czémán
2025-11-16 22:18 ` barnabas.czeman
@ 2025-11-17 8:01 ` Taniya Das
1 sibling, 0 replies; 9+ messages in thread
From: Taniya Das @ 2025-11-17 8:01 UTC (permalink / raw)
To: Barnabás Czémán, Bjorn Andersson,
Michael Turquette, Stephen Boyd, Rob Herring,
Krzysztof Kozlowski, Conor Dooley, Konrad Dybcio
Cc: linux-arm-msm, linux-clk, devicetree, linux-kernel,
Barnabás Czémán
On 11/17/2025 3:40 AM, Barnabás Czémán wrote:
> From: Barnabás Czémán <trabarni@gmail.com>
>
> Add missing MDSS reset can be found on MSM8917 and MSM8937.
>
> Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
> ---
> drivers/clk/qcom/gcc-msm8917.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/clk/qcom/gcc-msm8917.c b/drivers/clk/qcom/gcc-msm8917.c
> index 0a1aa623cd49..248fa0fd86f5 100644
> --- a/drivers/clk/qcom/gcc-msm8917.c
> +++ b/drivers/clk/qcom/gcc-msm8917.c
> @@ -3770,6 +3770,7 @@ static const struct qcom_reset_map gcc_msm8917_resets[] = {
> [GCC_QUSB2_PHY_BCR] = { 0x4103c },
> [GCC_USB_HS_BCR] = { 0x41000 },
> [GCC_USB2_HS_PHY_ONLY_BCR] = { 0x41034 },
> + [GCC_MDSS_BCR] = { 0x4d074 },
Reviewed-by: Taniya Das <taniya.das@oss.qualcomm.com>
> };
>
> static const struct regmap_config gcc_msm8917_regmap_config = {
>
--
Thanks,
Taniya Das
^ permalink raw reply [flat|nested] 9+ messages in thread
* [PATCH 3/4] arm64: dts: qcom: msm8917: add reset for display subsystem
2025-11-16 22:10 [PATCH 0/4] MSM8917/MSM837: Add missing MDSS reset Barnabás Czémán
2025-11-16 22:10 ` [PATCH 1/4] dt-bindings: clock: gcc-msm8917: " Barnabás Czémán
2025-11-16 22:10 ` [PATCH 2/4] clk: qcom: " Barnabás Czémán
@ 2025-11-16 22:10 ` Barnabás Czémán
2025-11-17 12:55 ` Konrad Dybcio
2025-11-16 22:10 ` [PATCH 4/4] arm64: dts: qcom: msm8937: " Barnabás Czémán
3 siblings, 1 reply; 9+ messages in thread
From: Barnabás Czémán @ 2025-11-16 22:10 UTC (permalink / raw)
To: Bjorn Andersson, Michael Turquette, Stephen Boyd, Rob Herring,
Krzysztof Kozlowski, Conor Dooley, Konrad Dybcio
Cc: linux-arm-msm, linux-clk, devicetree, linux-kernel,
Barnabás Czémán
Add reset for display subsystem, make sure it gets
properly reset.
Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
---
arch/arm64/boot/dts/qcom/msm8917.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/qcom/msm8917.dtsi b/arch/arm64/boot/dts/qcom/msm8917.dtsi
index 8a642fce2e40..6251189b8e6d 100644
--- a/arch/arm64/boot/dts/qcom/msm8917.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8917.dtsi
@@ -996,7 +996,7 @@ mdss: display-subsystem@1a00000 {
clock-names = "iface",
"bus",
"vsync";
-
+ resets = <&gcc GCC_MDSS_BCR>;
interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;
interrupt-controller;
--
2.51.2
^ permalink raw reply [flat|nested] 9+ messages in thread* Re: [PATCH 3/4] arm64: dts: qcom: msm8917: add reset for display subsystem
2025-11-16 22:10 ` [PATCH 3/4] arm64: dts: qcom: msm8917: add reset for display subsystem Barnabás Czémán
@ 2025-11-17 12:55 ` Konrad Dybcio
0 siblings, 0 replies; 9+ messages in thread
From: Konrad Dybcio @ 2025-11-17 12:55 UTC (permalink / raw)
To: Barnabás Czémán, Bjorn Andersson,
Michael Turquette, Stephen Boyd, Rob Herring,
Krzysztof Kozlowski, Conor Dooley, Konrad Dybcio
Cc: linux-arm-msm, linux-clk, devicetree, linux-kernel
On 11/16/25 11:10 PM, Barnabás Czémán wrote:
> Add reset for display subsystem, make sure it gets
> properly reset.
>
> Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Konrad
^ permalink raw reply [flat|nested] 9+ messages in thread
* [PATCH 4/4] arm64: dts: qcom: msm8937: add reset for display subsystem
2025-11-16 22:10 [PATCH 0/4] MSM8917/MSM837: Add missing MDSS reset Barnabás Czémán
` (2 preceding siblings ...)
2025-11-16 22:10 ` [PATCH 3/4] arm64: dts: qcom: msm8917: add reset for display subsystem Barnabás Czémán
@ 2025-11-16 22:10 ` Barnabás Czémán
2025-11-17 12:54 ` Konrad Dybcio
3 siblings, 1 reply; 9+ messages in thread
From: Barnabás Czémán @ 2025-11-16 22:10 UTC (permalink / raw)
To: Bjorn Andersson, Michael Turquette, Stephen Boyd, Rob Herring,
Krzysztof Kozlowski, Conor Dooley, Konrad Dybcio
Cc: linux-arm-msm, linux-clk, devicetree, linux-kernel,
Barnabás Czémán
Add reset for display subsystem, make sure it gets
properly reset.
Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
---
arch/arm64/boot/dts/qcom/msm8937.dtsi | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm64/boot/dts/qcom/msm8937.dtsi b/arch/arm64/boot/dts/qcom/msm8937.dtsi
index b93621080989..c94eb14e31bd 100644
--- a/arch/arm64/boot/dts/qcom/msm8937.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8937.dtsi
@@ -1044,6 +1044,7 @@ mdss: display-subsystem@1a00000 {
clock-names = "iface",
"bus",
"vsync";
+ resets = <&gcc GCC_MDSS_BCR>;
interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;
interrupt-controller;
--
2.51.2
^ permalink raw reply [flat|nested] 9+ messages in thread* Re: [PATCH 4/4] arm64: dts: qcom: msm8937: add reset for display subsystem
2025-11-16 22:10 ` [PATCH 4/4] arm64: dts: qcom: msm8937: " Barnabás Czémán
@ 2025-11-17 12:54 ` Konrad Dybcio
0 siblings, 0 replies; 9+ messages in thread
From: Konrad Dybcio @ 2025-11-17 12:54 UTC (permalink / raw)
To: Barnabás Czémán, Bjorn Andersson,
Michael Turquette, Stephen Boyd, Rob Herring,
Krzysztof Kozlowski, Conor Dooley, Konrad Dybcio
Cc: linux-arm-msm, linux-clk, devicetree, linux-kernel
On 11/16/25 11:10 PM, Barnabás Czémán wrote:
> Add reset for display subsystem, make sure it gets
> properly reset.
This sounds a little funny (and wrapped very early - usually 72c is
the norm)
> Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
> ---
in any case
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Konrad
^ permalink raw reply [flat|nested] 9+ messages in thread