[PATCH 0/3] Correct disp_aal dt-binding

[PATCH 0/3] Correct disp_aal dt-binding

[Rex-BC Chen]

There are several dt-binding error for MT8183 and MT8192. Therefore,
we send this series to correct them.
1. Correct dt-binding and dts for MT8183.
2. Correct dt-binding for MT8192.

This series is based on this series:
"add display support for MediaTek SoC MT8186":
Message id: 20220406030009.2357-1-rex-bc.chen@mediatek.com

Rex-BC Chen (3):
  dt-bindings: display: mediatek: Correct disp_aal binding for MT8183
  arm64: dts: mt8183: Correct disp_aal node compatible
  dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

 .../bindings/display/mediatek/mediatek,aal.yaml           | 8 ++++----
 arch/arm64/boot/dts/mediatek/mt8183.dtsi                  | 3 +--
 2 files changed, 5 insertions(+), 6 deletions(-)

-- 
2.18.0

[PATCH 0/3] Correct disp_aal dt-binding

[Rex-BC Chen]

There are several dt-binding error for MT8183 and MT8192. Therefore,
we send this series to correct them.
1. Correct dt-binding and dts for MT8183.
2. Correct dt-binding for MT8192.

This series is based on this series:
"add display support for MediaTek SoC MT8186":
Message id: 20220406030009.2357-1-rex-bc.chen@mediatek.com

Rex-BC Chen (3):
  dt-bindings: display: mediatek: Correct disp_aal binding for MT8183
  arm64: dts: mt8183: Correct disp_aal node compatible
  dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

 .../bindings/display/mediatek/mediatek,aal.yaml           | 8 ++++----
 arch/arm64/boot/dts/mediatek/mt8183.dtsi                  | 3 +--
 2 files changed, 5 insertions(+), 6 deletions(-)

-- 
2.18.0


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http://lists.infradead.org/mailman/listinfo/linux-mediatek

[PATCH 0/3] Correct disp_aal dt-binding

[Rex-BC Chen]

There are several dt-binding error for MT8183 and MT8192. Therefore,
we send this series to correct them.
1. Correct dt-binding and dts for MT8183.
2. Correct dt-binding for MT8192.

This series is based on this series:
"add display support for MediaTek SoC MT8186":
Message id: 20220406030009.2357-1-rex-bc.chen@mediatek.com

Rex-BC Chen (3):
  dt-bindings: display: mediatek: Correct disp_aal binding for MT8183
  arm64: dts: mt8183: Correct disp_aal node compatible
  dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

 .../bindings/display/mediatek/mediatek,aal.yaml           | 8 ++++----
 arch/arm64/boot/dts/mediatek/mt8183.dtsi                  | 3 +--
 2 files changed, 5 insertions(+), 6 deletions(-)

-- 
2.18.0


_______________________________________________
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linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

[PATCH 0/3] Correct disp_aal dt-binding

[Rex-BC Chen]

There are several dt-binding error for MT8183 and MT8192. Therefore,
we send this series to correct them.
1. Correct dt-binding and dts for MT8183.
2. Correct dt-binding for MT8192.

This series is based on this series:
"add display support for MediaTek SoC MT8186":
Message id: 20220406030009.2357-1-rex-bc.chen@mediatek.com

Rex-BC Chen (3):
  dt-bindings: display: mediatek: Correct disp_aal binding for MT8183
  arm64: dts: mt8183: Correct disp_aal node compatible
  dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

 .../bindings/display/mediatek/mediatek,aal.yaml           | 8 ++++----
 arch/arm64/boot/dts/mediatek/mt8183.dtsi                  | 3 +--
 2 files changed, 5 insertions(+), 6 deletions(-)

-- 
2.18.0

[PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183

[Rex-BC Chen]

The driver data of MT8183 and MT8173 are different.
The value of has_gamma for MT8173 is true while the value of MT8183 is
false. Therefore, the compatible of disp_aal for MT8183 is not suitable
for the compatible for MT8173.

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
---
 .../devicetree/bindings/display/mediatek/mediatek,aal.yaml  | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml
index cb4a2f39ff88..f118075e4a89 100644
--- a/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml
@@ -21,12 +21,12 @@ description: |
 properties:
   compatible:
     oneOf:
-      - items:
-          - const: mediatek,mt8173-disp-aal
+      - enum:
+          - mediatek,mt8173-disp-aal
+          - mediatek,mt8183-disp-aal
       - items:
           - enum:
               - mediatek,mt2712-disp-aal
-              - mediatek,mt8183-disp-aal
               - mediatek,mt8192-disp-aal
               - mediatek,mt8195-disp-aal
           - const: mediatek,mt8173-disp-aal
-- 
2.18.0

[PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183

[Rex-BC Chen]

The driver data of MT8183 and MT8173 are different.
The value of has_gamma for MT8173 is true while the value of MT8183 is
false. Therefore, the compatible of disp_aal for MT8183 is not suitable
for the compatible for MT8173.

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
---
 .../devicetree/bindings/display/mediatek/mediatek,aal.yaml  | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml
index cb4a2f39ff88..f118075e4a89 100644
--- a/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml
@@ -21,12 +21,12 @@ description: |
 properties:
   compatible:
     oneOf:
-      - items:
-          - const: mediatek,mt8173-disp-aal
+      - enum:
+          - mediatek,mt8173-disp-aal
+          - mediatek,mt8183-disp-aal
       - items:
           - enum:
               - mediatek,mt2712-disp-aal
-              - mediatek,mt8183-disp-aal
               - mediatek,mt8192-disp-aal
               - mediatek,mt8195-disp-aal
           - const: mediatek,mt8173-disp-aal
-- 
2.18.0


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http://lists.infradead.org/mailman/listinfo/linux-mediatek

[PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183

[Rex-BC Chen]

The driver data of MT8183 and MT8173 are different.
The value of has_gamma for MT8173 is true while the value of MT8183 is
false. Therefore, the compatible of disp_aal for MT8183 is not suitable
for the compatible for MT8173.

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
---
 .../devicetree/bindings/display/mediatek/mediatek,aal.yaml  | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml
index cb4a2f39ff88..f118075e4a89 100644
--- a/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml
@@ -21,12 +21,12 @@ description: |
 properties:
   compatible:
     oneOf:
-      - items:
-          - const: mediatek,mt8173-disp-aal
+      - enum:
+          - mediatek,mt8173-disp-aal
+          - mediatek,mt8183-disp-aal
       - items:
           - enum:
               - mediatek,mt2712-disp-aal
-              - mediatek,mt8183-disp-aal
               - mediatek,mt8192-disp-aal
               - mediatek,mt8195-disp-aal
           - const: mediatek,mt8173-disp-aal
-- 
2.18.0


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[PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183

[Rex-BC Chen]

The driver data of MT8183 and MT8173 are different.
The value of has_gamma for MT8173 is true while the value of MT8183 is
false. Therefore, the compatible of disp_aal for MT8183 is not suitable
for the compatible for MT8173.

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
---
 .../devicetree/bindings/display/mediatek/mediatek,aal.yaml  | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml
index cb4a2f39ff88..f118075e4a89 100644
--- a/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml
@@ -21,12 +21,12 @@ description: |
 properties:
   compatible:
     oneOf:
-      - items:
-          - const: mediatek,mt8173-disp-aal
+      - enum:
+          - mediatek,mt8173-disp-aal
+          - mediatek,mt8183-disp-aal
       - items:
           - enum:
               - mediatek,mt2712-disp-aal
-              - mediatek,mt8183-disp-aal
               - mediatek,mt8192-disp-aal
               - mediatek,mt8195-disp-aal
           - const: mediatek,mt8173-disp-aal
-- 
2.18.0

[PATCH 2/3] arm64: dts: mt8183: Correct disp_aal node compatible

[Rex-BC Chen]

The driver data of MT8183 and MT8173 are different.
The value of has_gamma for MT8173 is true while the value of MT8183 is
false. Therefore, the compatible of disp_aal for MT8183 is not suitable
for the compatible for MT8173.

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
---
 arch/arm64/boot/dts/mediatek/mt8183.dtsi | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
index 4b08691ed39e..a3616005d65c 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
@@ -1466,8 +1466,7 @@
 		};
 
 		aal0: aal@14010000 {
-			compatible = "mediatek,mt8183-disp-aal",
-				     "mediatek,mt8173-disp-aal";
+			compatible = "mediatek,mt8183-disp-aal";
 			reg = <0 0x14010000 0 0x1000>;
 			interrupts = <GIC_SPI 233 IRQ_TYPE_LEVEL_LOW>;
 			power-domains = <&spm MT8183_POWER_DOMAIN_DISP>;
-- 
2.18.0

[PATCH 2/3] arm64: dts: mt8183: Correct disp_aal node compatible

[Rex-BC Chen]

The driver data of MT8183 and MT8173 are different.
The value of has_gamma for MT8173 is true while the value of MT8183 is
false. Therefore, the compatible of disp_aal for MT8183 is not suitable
for the compatible for MT8173.

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
---
 arch/arm64/boot/dts/mediatek/mt8183.dtsi | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
index 4b08691ed39e..a3616005d65c 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
@@ -1466,8 +1466,7 @@
 		};
 
 		aal0: aal@14010000 {
-			compatible = "mediatek,mt8183-disp-aal",
-				     "mediatek,mt8173-disp-aal";
+			compatible = "mediatek,mt8183-disp-aal";
 			reg = <0 0x14010000 0 0x1000>;
 			interrupts = <GIC_SPI 233 IRQ_TYPE_LEVEL_LOW>;
 			power-domains = <&spm MT8183_POWER_DOMAIN_DISP>;
-- 
2.18.0


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Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek

[PATCH 2/3] arm64: dts: mt8183: Correct disp_aal node compatible

[Rex-BC Chen]

The driver data of MT8183 and MT8173 are different.
The value of has_gamma for MT8173 is true while the value of MT8183 is
false. Therefore, the compatible of disp_aal for MT8183 is not suitable
for the compatible for MT8173.

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
---
 arch/arm64/boot/dts/mediatek/mt8183.dtsi | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
index 4b08691ed39e..a3616005d65c 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
@@ -1466,8 +1466,7 @@
 		};
 
 		aal0: aal@14010000 {
-			compatible = "mediatek,mt8183-disp-aal",
-				     "mediatek,mt8173-disp-aal";
+			compatible = "mediatek,mt8183-disp-aal";
 			reg = <0 0x14010000 0 0x1000>;
 			interrupts = <GIC_SPI 233 IRQ_TYPE_LEVEL_LOW>;
 			power-domains = <&spm MT8183_POWER_DOMAIN_DISP>;
-- 
2.18.0


_______________________________________________
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linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

[PATCH 2/3] arm64: dts: mt8183: Correct disp_aal node compatible

[Rex-BC Chen]

The driver data of MT8183 and MT8173 are different.
The value of has_gamma for MT8173 is true while the value of MT8183 is
false. Therefore, the compatible of disp_aal for MT8183 is not suitable
for the compatible for MT8173.

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
---
 arch/arm64/boot/dts/mediatek/mt8183.dtsi | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
index 4b08691ed39e..a3616005d65c 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
@@ -1466,8 +1466,7 @@
 		};
 
 		aal0: aal@14010000 {
-			compatible = "mediatek,mt8183-disp-aal",
-				     "mediatek,mt8173-disp-aal";
+			compatible = "mediatek,mt8183-disp-aal";
 			reg = <0 0x14010000 0 0x1000>;
 			interrupts = <GIC_SPI 233 IRQ_TYPE_LEVEL_LOW>;
 			power-domains = <&spm MT8183_POWER_DOMAIN_DISP>;
-- 
2.18.0

[PATCH 3/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

[Rex-BC Chen]

The driver data for MT8192 is the same with MT8183. Therefore, we
correct it.

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
---
 .../devicetree/bindings/display/mediatek/mediatek,aal.yaml      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml
index f118075e4a89..407d7cbd6240 100644
--- a/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml
@@ -27,12 +27,12 @@ properties:
       - items:
           - enum:
               - mediatek,mt2712-disp-aal
-              - mediatek,mt8192-disp-aal
               - mediatek,mt8195-disp-aal
           - const: mediatek,mt8173-disp-aal
       - items:
           - enum:
               - mediatek,mt8186-disp-aal
+              - mediatek,mt8192-disp-aal
           - const: mediatek,mt8183-disp-aal
 
   reg:
-- 
2.18.0

[PATCH 3/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

[Rex-BC Chen]

The driver data for MT8192 is the same with MT8183. Therefore, we
correct it.

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
---
 .../devicetree/bindings/display/mediatek/mediatek,aal.yaml      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml
index f118075e4a89..407d7cbd6240 100644
--- a/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml
@@ -27,12 +27,12 @@ properties:
       - items:
           - enum:
               - mediatek,mt2712-disp-aal
-              - mediatek,mt8192-disp-aal
               - mediatek,mt8195-disp-aal
           - const: mediatek,mt8173-disp-aal
       - items:
           - enum:
               - mediatek,mt8186-disp-aal
+              - mediatek,mt8192-disp-aal
           - const: mediatek,mt8183-disp-aal
 
   reg:
-- 
2.18.0


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Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek

[PATCH 3/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

[Rex-BC Chen]

The driver data for MT8192 is the same with MT8183. Therefore, we
correct it.

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
---
 .../devicetree/bindings/display/mediatek/mediatek,aal.yaml      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml
index f118075e4a89..407d7cbd6240 100644
--- a/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml
@@ -27,12 +27,12 @@ properties:
       - items:
           - enum:
               - mediatek,mt2712-disp-aal
-              - mediatek,mt8192-disp-aal
               - mediatek,mt8195-disp-aal
           - const: mediatek,mt8173-disp-aal
       - items:
           - enum:
               - mediatek,mt8186-disp-aal
+              - mediatek,mt8192-disp-aal
           - const: mediatek,mt8183-disp-aal
 
   reg:
-- 
2.18.0


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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

[PATCH 3/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

[Rex-BC Chen]

The driver data for MT8192 is the same with MT8183. Therefore, we
correct it.

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
---
 .../devicetree/bindings/display/mediatek/mediatek,aal.yaml      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml
index f118075e4a89..407d7cbd6240 100644
--- a/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml
@@ -27,12 +27,12 @@ properties:
       - items:
           - enum:
               - mediatek,mt2712-disp-aal
-              - mediatek,mt8192-disp-aal
               - mediatek,mt8195-disp-aal
           - const: mediatek,mt8173-disp-aal
       - items:
           - enum:
               - mediatek,mt8186-disp-aal
+              - mediatek,mt8192-disp-aal
           - const: mediatek,mt8183-disp-aal
 
   reg:
-- 
2.18.0

Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183

[AngeloGioacchino Del Regno]

Il 06/04/22 11:46, Rex-BC Chen ha scritto:
> The driver data of MT8183 and MT8173 are different.
> The value of has_gamma for MT8173 is true while the value of MT8183 is
> false. Therefore, the compatible of disp_aal for MT8183 is not suitable
> for the compatible for MT8173.
> 
> Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>

Hello!
Yes, I definitely agree with this change, it makes no sense to have both
8173 and 8183 compatibles for 8183 (and similar).

Though, please, add a note in this commit message advertising that the
mistake was only in the yaml binding, as the driver doesn't require any
functional changes, so that things are clear for people with less expertise
on MediaTek platforms.

After that:
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183

[AngeloGioacchino Del Regno]

Il 06/04/22 11:46, Rex-BC Chen ha scritto:
> The driver data of MT8183 and MT8173 are different.
> The value of has_gamma for MT8173 is true while the value of MT8183 is
> false. Therefore, the compatible of disp_aal for MT8183 is not suitable
> for the compatible for MT8173.
> 
> Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>

Hello!
Yes, I definitely agree with this change, it makes no sense to have both
8173 and 8183 compatibles for 8183 (and similar).

Though, please, add a note in this commit message advertising that the
mistake was only in the yaml binding, as the driver doesn't require any
functional changes, so that things are clear for people with less expertise
on MediaTek platforms.

After that:
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

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Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183

[AngeloGioacchino Del Regno]

Il 06/04/22 11:46, Rex-BC Chen ha scritto:
> The driver data of MT8183 and MT8173 are different.
> The value of has_gamma for MT8173 is true while the value of MT8183 is
> false. Therefore, the compatible of disp_aal for MT8183 is not suitable
> for the compatible for MT8173.
> 
> Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>

Hello!
Yes, I definitely agree with this change, it makes no sense to have both
8173 and 8183 compatibles for 8183 (and similar).

Though, please, add a note in this commit message advertising that the
mistake was only in the yaml binding, as the driver doesn't require any
functional changes, so that things are clear for people with less expertise
on MediaTek platforms.

After that:
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

_______________________________________________
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Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183

[AngeloGioacchino Del Regno]

Il 06/04/22 11:46, Rex-BC Chen ha scritto:
> The driver data of MT8183 and MT8173 are different.
> The value of has_gamma for MT8173 is true while the value of MT8183 is
> false. Therefore, the compatible of disp_aal for MT8183 is not suitable
> for the compatible for MT8173.
> 
> Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>

Hello!
Yes, I definitely agree with this change, it makes no sense to have both
8173 and 8183 compatibles for 8183 (and similar).

Though, please, add a note in this commit message advertising that the
mistake was only in the yaml binding, as the driver doesn't require any
functional changes, so that things are clear for people with less expertise
on MediaTek platforms.

After that:
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

Re: [PATCH 2/3] arm64: dts: mt8183: Correct disp_aal node compatible

[AngeloGioacchino Del Regno]

Il 06/04/22 11:46, Rex-BC Chen ha scritto:
> The driver data of MT8183 and MT8173 are different.
> The value of has_gamma for MT8173 is true while the value of MT8183 is
> false. Therefore, the compatible of disp_aal for MT8183 is not suitable
> for the compatible for MT8173.
> 
> Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

Re: [PATCH 2/3] arm64: dts: mt8183: Correct disp_aal node compatible

[AngeloGioacchino Del Regno]

Il 06/04/22 11:46, Rex-BC Chen ha scritto:
> The driver data of MT8183 and MT8173 are different.
> The value of has_gamma for MT8173 is true while the value of MT8183 is
> false. Therefore, the compatible of disp_aal for MT8183 is not suitable
> for the compatible for MT8173.
> 
> Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

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Re: [PATCH 2/3] arm64: dts: mt8183: Correct disp_aal node compatible

[AngeloGioacchino Del Regno]

Il 06/04/22 11:46, Rex-BC Chen ha scritto:
> The driver data of MT8183 and MT8173 are different.
> The value of has_gamma for MT8173 is true while the value of MT8183 is
> false. Therefore, the compatible of disp_aal for MT8183 is not suitable
> for the compatible for MT8173.
> 
> Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

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Re: [PATCH 2/3] arm64: dts: mt8183: Correct disp_aal node compatible

[AngeloGioacchino Del Regno]

Il 06/04/22 11:46, Rex-BC Chen ha scritto:
> The driver data of MT8183 and MT8173 are different.
> The value of has_gamma for MT8173 is true while the value of MT8183 is
> false. Therefore, the compatible of disp_aal for MT8183 is not suitable
> for the compatible for MT8173.
> 
> Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

Re: [PATCH 3/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

[AngeloGioacchino Del Regno]

Il 06/04/22 11:46, Rex-BC Chen ha scritto:
> The driver data for MT8192 is the same with MT8183. Therefore, we
> correct it.
> 
> Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

...though, from what I know, you should also move MT8195 down there!

Re: [PATCH 3/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

[AngeloGioacchino Del Regno]

Il 06/04/22 11:46, Rex-BC Chen ha scritto:
> The driver data for MT8192 is the same with MT8183. Therefore, we
> correct it.
> 
> Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

...though, from what I know, you should also move MT8195 down there!

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Re: [PATCH 3/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

[AngeloGioacchino Del Regno]

Il 06/04/22 11:46, Rex-BC Chen ha scritto:
> The driver data for MT8192 is the same with MT8183. Therefore, we
> correct it.
> 
> Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

...though, from what I know, you should also move MT8195 down there!

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Re: [PATCH 3/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

[AngeloGioacchino Del Regno]

Il 06/04/22 11:46, Rex-BC Chen ha scritto:
> The driver data for MT8192 is the same with MT8183. Therefore, we
> correct it.
> 
> Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

...though, from what I know, you should also move MT8195 down there!

Re: [PATCH 3/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

[Rex-BC Chen]

On Wed, 2022-04-06 at 18:40 +0800, AngeloGioacchino Del Regno wrote:
> Il 06/04/22 11:46, Rex-BC Chen ha scritto:
> > The driver data for MT8192 is the same with MT8183. Therefore, we
> > correct it.
> > 
> > Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
> 
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@collabora.com>
> 
> ...though, from what I know, you should also move MT8195 down there!

Hello Angelo,

Thanks for your review.
But for MT8195, disp_aal is using the same compatible with MT8173.

From the MT8195 project DTS is using:

aal0: disp_aal@1c005000 {
	compatible = "mediatek,mt8195-disp-aal",
		     "mediatek,mt8173-disp-aal";
	reg = <0 0x1c005000 0 0x1000>;
	interrupts = <GIC_SPI 641 IRQ_TYPE_LEVEL_HIGH 0>;
	power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS0>;
	clocks = <&vdosys0 CLK_VDO0_DISP_AAL0>;
	mediatek,gce-client-reg =
		 <&gce0 SUBSYS_1c00XXXX 0x5000 0x1000>;
};

BRs,
Rex


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Re: [PATCH 3/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

[Rex-BC Chen]

On Wed, 2022-04-06 at 18:40 +0800, AngeloGioacchino Del Regno wrote:
> Il 06/04/22 11:46, Rex-BC Chen ha scritto:
> > The driver data for MT8192 is the same with MT8183. Therefore, we
> > correct it.
> > 
> > Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
> 
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@collabora.com>
> 
> ...though, from what I know, you should also move MT8195 down there!

Hello Angelo,

Thanks for your review.
But for MT8195, disp_aal is using the same compatible with MT8173.

From the MT8195 project DTS is using:

aal0: disp_aal@1c005000 {
	compatible = "mediatek,mt8195-disp-aal",
		     "mediatek,mt8173-disp-aal";
	reg = <0 0x1c005000 0 0x1000>;
	interrupts = <GIC_SPI 641 IRQ_TYPE_LEVEL_HIGH 0>;
	power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS0>;
	clocks = <&vdosys0 CLK_VDO0_DISP_AAL0>;
	mediatek,gce-client-reg =
		 <&gce0 SUBSYS_1c00XXXX 0x5000 0x1000>;
};

BRs,
Rex

Re: [PATCH 3/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

[Rex-BC Chen]

On Wed, 2022-04-06 at 18:40 +0800, AngeloGioacchino Del Regno wrote:
> Il 06/04/22 11:46, Rex-BC Chen ha scritto:
> > The driver data for MT8192 is the same with MT8183. Therefore, we
> > correct it.
> > 
> > Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
> 
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@collabora.com>
> 
> ...though, from what I know, you should also move MT8195 down there!

Hello Angelo,

Thanks for your review.
But for MT8195, disp_aal is using the same compatible with MT8173.

From the MT8195 project DTS is using:

aal0: disp_aal@1c005000 {
	compatible = "mediatek,mt8195-disp-aal",
		     "mediatek,mt8173-disp-aal";
	reg = <0 0x1c005000 0 0x1000>;
	interrupts = <GIC_SPI 641 IRQ_TYPE_LEVEL_HIGH 0>;
	power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS0>;
	clocks = <&vdosys0 CLK_VDO0_DISP_AAL0>;
	mediatek,gce-client-reg =
		 <&gce0 SUBSYS_1c00XXXX 0x5000 0x1000>;
};

BRs,
Rex


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Re: [PATCH 3/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

[Rex-BC Chen]

On Wed, 2022-04-06 at 18:40 +0800, AngeloGioacchino Del Regno wrote:
> Il 06/04/22 11:46, Rex-BC Chen ha scritto:
> > The driver data for MT8192 is the same with MT8183. Therefore, we
> > correct it.
> > 
> > Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
> 
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@collabora.com>
> 
> ...though, from what I know, you should also move MT8195 down there!

Hello Angelo,

Thanks for your review.
But for MT8195, disp_aal is using the same compatible with MT8173.

From the MT8195 project DTS is using:

aal0: disp_aal@1c005000 {
	compatible = "mediatek,mt8195-disp-aal",
		     "mediatek,mt8173-disp-aal";
	reg = <0 0x1c005000 0 0x1000>;
	interrupts = <GIC_SPI 641 IRQ_TYPE_LEVEL_HIGH 0>;
	power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS0>;
	clocks = <&vdosys0 CLK_VDO0_DISP_AAL0>;
	mediatek,gce-client-reg =
		 <&gce0 SUBSYS_1c00XXXX 0x5000 0x1000>;
};

BRs,
Rex

Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183

[Rex-BC Chen]

On Wed, 2022-04-06 at 12:38 +0200, AngeloGioacchino Del Regno wrote:
> Il 06/04/22 11:46, Rex-BC Chen ha scritto:
> > The driver data of MT8183 and MT8173 are different.
> > The value of has_gamma for MT8173 is true while the value of MT8183
> > is
> > false. Therefore, the compatible of disp_aal for MT8183 is not
> > suitable
> > for the compatible for MT8173.
> > 
> > Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
> 
> Hello!
> Yes, I definitely agree with this change, it makes no sense to have
> both
> 8173 and 8183 compatibles for 8183 (and similar).
> 
> Though, please, add a note in this commit message advertising that
> the
> mistake was only in the yaml binding, as the driver doesn't require
> any
> functional changes, so that things are clear for people with less
> expertise
> on MediaTek platforms.
> 
> After that:
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@collabora.com>

Hello Angelo,

Thanks for your review.
I will add them to the commit message in next version.

BRs,
Rex

Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183

[Rex-BC Chen]

On Wed, 2022-04-06 at 12:38 +0200, AngeloGioacchino Del Regno wrote:
> Il 06/04/22 11:46, Rex-BC Chen ha scritto:
> > The driver data of MT8183 and MT8173 are different.
> > The value of has_gamma for MT8173 is true while the value of MT8183
> > is
> > false. Therefore, the compatible of disp_aal for MT8183 is not
> > suitable
> > for the compatible for MT8173.
> > 
> > Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
> 
> Hello!
> Yes, I definitely agree with this change, it makes no sense to have
> both
> 8173 and 8183 compatibles for 8183 (and similar).
> 
> Though, please, add a note in this commit message advertising that
> the
> mistake was only in the yaml binding, as the driver doesn't require
> any
> functional changes, so that things are clear for people with less
> expertise
> on MediaTek platforms.
> 
> After that:
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@collabora.com>

Hello Angelo,

Thanks for your review.
I will add them to the commit message in next version.

BRs,
Rex


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Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183

[Rex-BC Chen]

On Wed, 2022-04-06 at 12:38 +0200, AngeloGioacchino Del Regno wrote:
> Il 06/04/22 11:46, Rex-BC Chen ha scritto:
> > The driver data of MT8183 and MT8173 are different.
> > The value of has_gamma for MT8173 is true while the value of MT8183
> > is
> > false. Therefore, the compatible of disp_aal for MT8183 is not
> > suitable
> > for the compatible for MT8173.
> > 
> > Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
> 
> Hello!
> Yes, I definitely agree with this change, it makes no sense to have
> both
> 8173 and 8183 compatibles for 8183 (and similar).
> 
> Though, please, add a note in this commit message advertising that
> the
> mistake was only in the yaml binding, as the driver doesn't require
> any
> functional changes, so that things are clear for people with less
> expertise
> on MediaTek platforms.
> 
> After that:
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@collabora.com>

Hello Angelo,

Thanks for your review.
I will add them to the commit message in next version.

BRs,
Rex


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Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183

[Rex-BC Chen]

On Wed, 2022-04-06 at 12:38 +0200, AngeloGioacchino Del Regno wrote:
> Il 06/04/22 11:46, Rex-BC Chen ha scritto:
> > The driver data of MT8183 and MT8173 are different.
> > The value of has_gamma for MT8173 is true while the value of MT8183
> > is
> > false. Therefore, the compatible of disp_aal for MT8183 is not
> > suitable
> > for the compatible for MT8173.
> > 
> > Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
> 
> Hello!
> Yes, I definitely agree with this change, it makes no sense to have
> both
> 8173 and 8183 compatibles for 8183 (and similar).
> 
> Though, please, add a note in this commit message advertising that
> the
> mistake was only in the yaml binding, as the driver doesn't require
> any
> functional changes, so that things are clear for people with less
> expertise
> on MediaTek platforms.
> 
> After that:
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@collabora.com>

Hello Angelo,

Thanks for your review.
I will add them to the commit message in next version.

BRs,
Rex

Re: [PATCH 3/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

[AngeloGioacchino Del Regno]

Il 06/04/22 12:48, Rex-BC Chen ha scritto:
> On Wed, 2022-04-06 at 18:40 +0800, AngeloGioacchino Del Regno wrote:
>> Il 06/04/22 11:46, Rex-BC Chen ha scritto:
>>> The driver data for MT8192 is the same with MT8183. Therefore, we
>>> correct it.
>>>
>>> Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
>>
>> Reviewed-by: AngeloGioacchino Del Regno <
>> angelogioacchino.delregno@collabora.com>
>>
>> ...though, from what I know, you should also move MT8195 down there!
> 
> Hello Angelo,
> 
> Thanks for your review.
> But for MT8195, disp_aal is using the same compatible with MT8173.
> 
>  From the MT8195 project DTS is using:
> 
> aal0: disp_aal@1c005000 {
> 	compatible = "mediatek,mt8195-disp-aal",
> 		     "mediatek,mt8173-disp-aal";
> 	reg = <0 0x1c005000 0 0x1000>;
> 	interrupts = <GIC_SPI 641 IRQ_TYPE_LEVEL_HIGH 0>;
> 	power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS0>;
> 	clocks = <&vdosys0 CLK_VDO0_DISP_AAL0>;
> 	mediatek,gce-client-reg =
> 		 <&gce0 SUBSYS_1c00XXXX 0x5000 0x1000>;
> };
> 
> BRs,
> Rex
> 

I'm sorry Rex, I've just realized - I was confusing this one with the
8195 gamma binding instead!

Cheers,
Angelo

Re: [PATCH 3/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

[AngeloGioacchino Del Regno]

Il 06/04/22 12:48, Rex-BC Chen ha scritto:
> On Wed, 2022-04-06 at 18:40 +0800, AngeloGioacchino Del Regno wrote:
>> Il 06/04/22 11:46, Rex-BC Chen ha scritto:
>>> The driver data for MT8192 is the same with MT8183. Therefore, we
>>> correct it.
>>>
>>> Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
>>
>> Reviewed-by: AngeloGioacchino Del Regno <
>> angelogioacchino.delregno@collabora.com>
>>
>> ...though, from what I know, you should also move MT8195 down there!
> 
> Hello Angelo,
> 
> Thanks for your review.
> But for MT8195, disp_aal is using the same compatible with MT8173.
> 
>  From the MT8195 project DTS is using:
> 
> aal0: disp_aal@1c005000 {
> 	compatible = "mediatek,mt8195-disp-aal",
> 		     "mediatek,mt8173-disp-aal";
> 	reg = <0 0x1c005000 0 0x1000>;
> 	interrupts = <GIC_SPI 641 IRQ_TYPE_LEVEL_HIGH 0>;
> 	power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS0>;
> 	clocks = <&vdosys0 CLK_VDO0_DISP_AAL0>;
> 	mediatek,gce-client-reg =
> 		 <&gce0 SUBSYS_1c00XXXX 0x5000 0x1000>;
> };
> 
> BRs,
> Rex
> 

I'm sorry Rex, I've just realized - I was confusing this one with the
8195 gamma binding instead!

Cheers,
Angelo

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Re: [PATCH 3/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

[AngeloGioacchino Del Regno]

Il 06/04/22 12:48, Rex-BC Chen ha scritto:
> On Wed, 2022-04-06 at 18:40 +0800, AngeloGioacchino Del Regno wrote:
>> Il 06/04/22 11:46, Rex-BC Chen ha scritto:
>>> The driver data for MT8192 is the same with MT8183. Therefore, we
>>> correct it.
>>>
>>> Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
>>
>> Reviewed-by: AngeloGioacchino Del Regno <
>> angelogioacchino.delregno@collabora.com>
>>
>> ...though, from what I know, you should also move MT8195 down there!
> 
> Hello Angelo,
> 
> Thanks for your review.
> But for MT8195, disp_aal is using the same compatible with MT8173.
> 
>  From the MT8195 project DTS is using:
> 
> aal0: disp_aal@1c005000 {
> 	compatible = "mediatek,mt8195-disp-aal",
> 		     "mediatek,mt8173-disp-aal";
> 	reg = <0 0x1c005000 0 0x1000>;
> 	interrupts = <GIC_SPI 641 IRQ_TYPE_LEVEL_HIGH 0>;
> 	power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS0>;
> 	clocks = <&vdosys0 CLK_VDO0_DISP_AAL0>;
> 	mediatek,gce-client-reg =
> 		 <&gce0 SUBSYS_1c00XXXX 0x5000 0x1000>;
> };
> 
> BRs,
> Rex
> 

I'm sorry Rex, I've just realized - I was confusing this one with the
8195 gamma binding instead!

Cheers,
Angelo

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Re: [PATCH 3/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

[AngeloGioacchino Del Regno]

Il 06/04/22 12:48, Rex-BC Chen ha scritto:
> On Wed, 2022-04-06 at 18:40 +0800, AngeloGioacchino Del Regno wrote:
>> Il 06/04/22 11:46, Rex-BC Chen ha scritto:
>>> The driver data for MT8192 is the same with MT8183. Therefore, we
>>> correct it.
>>>
>>> Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
>>
>> Reviewed-by: AngeloGioacchino Del Regno <
>> angelogioacchino.delregno@collabora.com>
>>
>> ...though, from what I know, you should also move MT8195 down there!
> 
> Hello Angelo,
> 
> Thanks for your review.
> But for MT8195, disp_aal is using the same compatible with MT8173.
> 
>  From the MT8195 project DTS is using:
> 
> aal0: disp_aal@1c005000 {
> 	compatible = "mediatek,mt8195-disp-aal",
> 		     "mediatek,mt8173-disp-aal";
> 	reg = <0 0x1c005000 0 0x1000>;
> 	interrupts = <GIC_SPI 641 IRQ_TYPE_LEVEL_HIGH 0>;
> 	power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS0>;
> 	clocks = <&vdosys0 CLK_VDO0_DISP_AAL0>;
> 	mediatek,gce-client-reg =
> 		 <&gce0 SUBSYS_1c00XXXX 0x5000 0x1000>;
> };
> 
> BRs,
> Rex
> 

I'm sorry Rex, I've just realized - I was confusing this one with the
8195 gamma binding instead!

Cheers,
Angelo

Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183

[Krzysztof Kozlowski]

On 06/04/2022 11:46, Rex-BC Chen wrote:
> The driver data of MT8183 and MT8173 are different.
> The value of has_gamma for MT8173 is true while the value of MT8183 is
> false. Therefore, the compatible of disp_aal for MT8183 is not suitable
> for the compatible for MT8173.

Just because one feature is not supported, it does not mean they are
incompatible, which you claim in the patch below. Are you sure they are
really incompatible and MT8173 fallback cannot be used?


Best regards,
Krzysztof

Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183

[Krzysztof Kozlowski]

On 06/04/2022 11:46, Rex-BC Chen wrote:
> The driver data of MT8183 and MT8173 are different.
> The value of has_gamma for MT8173 is true while the value of MT8183 is
> false. Therefore, the compatible of disp_aal for MT8183 is not suitable
> for the compatible for MT8173.

Just because one feature is not supported, it does not mean they are
incompatible, which you claim in the patch below. Are you sure they are
really incompatible and MT8173 fallback cannot be used?


Best regards,
Krzysztof

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Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183

[Krzysztof Kozlowski]

On 06/04/2022 11:46, Rex-BC Chen wrote:
> The driver data of MT8183 and MT8173 are different.
> The value of has_gamma for MT8173 is true while the value of MT8183 is
> false. Therefore, the compatible of disp_aal for MT8183 is not suitable
> for the compatible for MT8173.

Just because one feature is not supported, it does not mean they are
incompatible, which you claim in the patch below. Are you sure they are
really incompatible and MT8173 fallback cannot be used?


Best regards,
Krzysztof

_______________________________________________
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linux-arm-kernel@lists.infradead.org
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Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183

[Krzysztof Kozlowski]

On 06/04/2022 11:46, Rex-BC Chen wrote:
> The driver data of MT8183 and MT8173 are different.
> The value of has_gamma for MT8173 is true while the value of MT8183 is
> false. Therefore, the compatible of disp_aal for MT8183 is not suitable
> for the compatible for MT8173.

Just because one feature is not supported, it does not mean they are
incompatible, which you claim in the patch below. Are you sure they are
really incompatible and MT8173 fallback cannot be used?


Best regards,
Krzysztof

Re: [PATCH 3/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

[Krzysztof Kozlowski]

On 06/04/2022 11:46, Rex-BC Chen wrote:
> The driver data for MT8192 is the same with MT8183. Therefore, we
> correct it.

Driver data is Linux implementation specific so does not really matter
for bindings. Probably you want to say here that devices are fully
compatible? If so, please rephrase it. Also remove the wording "correct
it" in subject and here because there is no mistake here (at least you
did not describe it) and otherwise AUTOSEL might pick it up...

Best regards,
Krzysztof

_______________________________________________
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Re: [PATCH 3/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

[Krzysztof Kozlowski]

On 06/04/2022 11:46, Rex-BC Chen wrote:
> The driver data for MT8192 is the same with MT8183. Therefore, we
> correct it.

Driver data is Linux implementation specific so does not really matter
for bindings. Probably you want to say here that devices are fully
compatible? If so, please rephrase it. Also remove the wording "correct
it" in subject and here because there is no mistake here (at least you
did not describe it) and otherwise AUTOSEL might pick it up...

Best regards,
Krzysztof

Re: [PATCH 3/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

[Krzysztof Kozlowski]

On 06/04/2022 11:46, Rex-BC Chen wrote:
> The driver data for MT8192 is the same with MT8183. Therefore, we
> correct it.

Driver data is Linux implementation specific so does not really matter
for bindings. Probably you want to say here that devices are fully
compatible? If so, please rephrase it. Also remove the wording "correct
it" in subject and here because there is no mistake here (at least you
did not describe it) and otherwise AUTOSEL might pick it up...

Best regards,
Krzysztof

_______________________________________________
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linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

Re: [PATCH 3/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

[Krzysztof Kozlowski]

On 06/04/2022 11:46, Rex-BC Chen wrote:
> The driver data for MT8192 is the same with MT8183. Therefore, we
> correct it.

Driver data is Linux implementation specific so does not really matter
for bindings. Probably you want to say here that devices are fully
compatible? If so, please rephrase it. Also remove the wording "correct
it" in subject and here because there is no mistake here (at least you
did not describe it) and otherwise AUTOSEL might pick it up...

Best regards,
Krzysztof

Re: [PATCH 3/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

[Rex-BC Chen]

On Wed, 2022-04-06 at 22:46 +0800, Krzysztof Kozlowski wrote:
> On 06/04/2022 11:46, Rex-BC Chen wrote:
> > The driver data for MT8192 is the same with MT8183. Therefore, we
> > correct it.
> 
> Driver data is Linux implementation specific so does not really
> matter
> for bindings. Probably you want to say here that devices are fully
> compatible? If so, please rephrase it. Also remove the wording
> "correct
> it" in subject and here because there is no mistake here (at least
> you
> did not describe it) and otherwise AUTOSEL might pick it up...
> 
> Best regards,
> Krzysztof

Hello Krzysztof,

Thanks for your review.
Yes, it's not a error for dt-binding.
I will update the description in next version.

BRs,
Rex

Re: [PATCH 3/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

[Rex-BC Chen]

On Wed, 2022-04-06 at 22:46 +0800, Krzysztof Kozlowski wrote:
> On 06/04/2022 11:46, Rex-BC Chen wrote:
> > The driver data for MT8192 is the same with MT8183. Therefore, we
> > correct it.
> 
> Driver data is Linux implementation specific so does not really
> matter
> for bindings. Probably you want to say here that devices are fully
> compatible? If so, please rephrase it. Also remove the wording
> "correct
> it" in subject and here because there is no mistake here (at least
> you
> did not describe it) and otherwise AUTOSEL might pick it up...
> 
> Best regards,
> Krzysztof

Hello Krzysztof,

Thanks for your review.
Yes, it's not a error for dt-binding.
I will update the description in next version.

BRs,
Rex

Re: [PATCH 3/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

[Rex-BC Chen]

On Wed, 2022-04-06 at 22:46 +0800, Krzysztof Kozlowski wrote:
> On 06/04/2022 11:46, Rex-BC Chen wrote:
> > The driver data for MT8192 is the same with MT8183. Therefore, we
> > correct it.
> 
> Driver data is Linux implementation specific so does not really
> matter
> for bindings. Probably you want to say here that devices are fully
> compatible? If so, please rephrase it. Also remove the wording
> "correct
> it" in subject and here because there is no mistake here (at least
> you
> did not describe it) and otherwise AUTOSEL might pick it up...
> 
> Best regards,
> Krzysztof

Hello Krzysztof,

Thanks for your review.
Yes, it's not a error for dt-binding.
I will update the description in next version.

BRs,
Rex


_______________________________________________
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Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek

Re: [PATCH 3/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

[Rex-BC Chen]

On Wed, 2022-04-06 at 22:46 +0800, Krzysztof Kozlowski wrote:
> On 06/04/2022 11:46, Rex-BC Chen wrote:
> > The driver data for MT8192 is the same with MT8183. Therefore, we
> > correct it.
> 
> Driver data is Linux implementation specific so does not really
> matter
> for bindings. Probably you want to say here that devices are fully
> compatible? If so, please rephrase it. Also remove the wording
> "correct
> it" in subject and here because there is no mistake here (at least
> you
> did not describe it) and otherwise AUTOSEL might pick it up...
> 
> Best regards,
> Krzysztof

Hello Krzysztof,

Thanks for your review.
Yes, it's not a error for dt-binding.
I will update the description in next version.

BRs,
Rex


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183

[Rex-BC Chen]

On Wed, 2022-04-06 at 16:44 +0200, Krzysztof Kozlowski wrote:
> On 06/04/2022 11:46, Rex-BC Chen wrote:
> > The driver data of MT8183 and MT8173 are different.
> > The value of has_gamma for MT8173 is true while the value of MT8183
> > is
> > false. Therefore, the compatible of disp_aal for MT8183 is not
> > suitable
> > for the compatible for MT8173.
> 
> Just because one feature is not supported, it does not mean they are
> incompatible, which you claim in the patch below. Are you sure they
> are
> really incompatible and MT8173 fallback cannot be used?
> 
> 
> Best regards,
> Krzysztof

Hello Krzysztof,

Thanks for your review.

The difference of disp_aal for each MediaTek SoCs is "has_gamma".
And we only control this variable for different MediaTek SoCs.

The value of has_gamma for MT8173 is true.
The value of has_gamma for MT8183 is false. (Moreover, the driver data
is null for MT8183)

From this situation, I think it's not compatible between MT8173 and
MT8183.

reference: 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/gpu/drm/mediatek/mtk_disp_aal.c?h=v5.18-rc1#n153

BRs,
Rex

Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183

[Rex-BC Chen]

On Wed, 2022-04-06 at 16:44 +0200, Krzysztof Kozlowski wrote:
> On 06/04/2022 11:46, Rex-BC Chen wrote:
> > The driver data of MT8183 and MT8173 are different.
> > The value of has_gamma for MT8173 is true while the value of MT8183
> > is
> > false. Therefore, the compatible of disp_aal for MT8183 is not
> > suitable
> > for the compatible for MT8173.
> 
> Just because one feature is not supported, it does not mean they are
> incompatible, which you claim in the patch below. Are you sure they
> are
> really incompatible and MT8173 fallback cannot be used?
> 
> 
> Best regards,
> Krzysztof

Hello Krzysztof,

Thanks for your review.

The difference of disp_aal for each MediaTek SoCs is "has_gamma".
And we only control this variable for different MediaTek SoCs.

The value of has_gamma for MT8173 is true.
The value of has_gamma for MT8183 is false. (Moreover, the driver data
is null for MT8183)

From this situation, I think it's not compatible between MT8173 and
MT8183.

reference: 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/gpu/drm/mediatek/mtk_disp_aal.c?h=v5.18-rc1#n153

BRs,
Rex


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Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek

Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183

[Rex-BC Chen]

On Wed, 2022-04-06 at 16:44 +0200, Krzysztof Kozlowski wrote:
> On 06/04/2022 11:46, Rex-BC Chen wrote:
> > The driver data of MT8183 and MT8173 are different.
> > The value of has_gamma for MT8173 is true while the value of MT8183
> > is
> > false. Therefore, the compatible of disp_aal for MT8183 is not
> > suitable
> > for the compatible for MT8173.
> 
> Just because one feature is not supported, it does not mean they are
> incompatible, which you claim in the patch below. Are you sure they
> are
> really incompatible and MT8173 fallback cannot be used?
> 
> 
> Best regards,
> Krzysztof

Hello Krzysztof,

Thanks for your review.

The difference of disp_aal for each MediaTek SoCs is "has_gamma".
And we only control this variable for different MediaTek SoCs.

The value of has_gamma for MT8173 is true.
The value of has_gamma for MT8183 is false. (Moreover, the driver data
is null for MT8183)

From this situation, I think it's not compatible between MT8173 and
MT8183.

reference: 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/gpu/drm/mediatek/mtk_disp_aal.c?h=v5.18-rc1#n153

BRs,
Rex

Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183

[Rex-BC Chen]

On Wed, 2022-04-06 at 16:44 +0200, Krzysztof Kozlowski wrote:
> On 06/04/2022 11:46, Rex-BC Chen wrote:
> > The driver data of MT8183 and MT8173 are different.
> > The value of has_gamma for MT8173 is true while the value of MT8183
> > is
> > false. Therefore, the compatible of disp_aal for MT8183 is not
> > suitable
> > for the compatible for MT8173.
> 
> Just because one feature is not supported, it does not mean they are
> incompatible, which you claim in the patch below. Are you sure they
> are
> really incompatible and MT8173 fallback cannot be used?
> 
> 
> Best regards,
> Krzysztof

Hello Krzysztof,

Thanks for your review.

The difference of disp_aal for each MediaTek SoCs is "has_gamma".
And we only control this variable for different MediaTek SoCs.

The value of has_gamma for MT8173 is true.
The value of has_gamma for MT8183 is false. (Moreover, the driver data
is null for MT8183)

From this situation, I think it's not compatible between MT8173 and
MT8183.

reference: 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/gpu/drm/mediatek/mtk_disp_aal.c?h=v5.18-rc1#n153

BRs,
Rex


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Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183

[Krzysztof Kozlowski]

On 07/04/2022 08:22, Rex-BC Chen wrote:
> On Wed, 2022-04-06 at 16:44 +0200, Krzysztof Kozlowski wrote:
>> On 06/04/2022 11:46, Rex-BC Chen wrote:
>>> The driver data of MT8183 and MT8173 are different.
>>> The value of has_gamma for MT8173 is true while the value of MT8183
>>> is
>>> false. Therefore, the compatible of disp_aal for MT8183 is not
>>> suitable
>>> for the compatible for MT8173.
>>
>> Just because one feature is not supported, it does not mean they are
>> incompatible, which you claim in the patch below. Are you sure they
>> are
>> really incompatible and MT8173 fallback cannot be used?
>>
>>
>> Best regards,
>> Krzysztof
> 
> Hello Krzysztof,
> 
> Thanks for your review.
> 
> The difference of disp_aal for each MediaTek SoCs is "has_gamma".
> And we only control this variable for different MediaTek SoCs.
> 
> The value of has_gamma for MT8173 is true.
> The value of has_gamma for MT8183 is false. (Moreover, the driver data
> is null for MT8183)
> 
> From this situation, I think it's not compatible between MT8173 and
> MT8183.

You repeated the commit msg without bringing any new information... but
let it be, I assume setting gamma on MTT8183 is incorrect or produces
wrong results.


Best regards,
Krzysztof

Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183

[Krzysztof Kozlowski]

On 07/04/2022 08:22, Rex-BC Chen wrote:
> On Wed, 2022-04-06 at 16:44 +0200, Krzysztof Kozlowski wrote:
>> On 06/04/2022 11:46, Rex-BC Chen wrote:
>>> The driver data of MT8183 and MT8173 are different.
>>> The value of has_gamma for MT8173 is true while the value of MT8183
>>> is
>>> false. Therefore, the compatible of disp_aal for MT8183 is not
>>> suitable
>>> for the compatible for MT8173.
>>
>> Just because one feature is not supported, it does not mean they are
>> incompatible, which you claim in the patch below. Are you sure they
>> are
>> really incompatible and MT8173 fallback cannot be used?
>>
>>
>> Best regards,
>> Krzysztof
> 
> Hello Krzysztof,
> 
> Thanks for your review.
> 
> The difference of disp_aal for each MediaTek SoCs is "has_gamma".
> And we only control this variable for different MediaTek SoCs.
> 
> The value of has_gamma for MT8173 is true.
> The value of has_gamma for MT8183 is false. (Moreover, the driver data
> is null for MT8183)
> 
> From this situation, I think it's not compatible between MT8173 and
> MT8183.

You repeated the commit msg without bringing any new information... but
let it be, I assume setting gamma on MTT8183 is incorrect or produces
wrong results.


Best regards,
Krzysztof

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Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183

[Krzysztof Kozlowski]

On 07/04/2022 08:22, Rex-BC Chen wrote:
> On Wed, 2022-04-06 at 16:44 +0200, Krzysztof Kozlowski wrote:
>> On 06/04/2022 11:46, Rex-BC Chen wrote:
>>> The driver data of MT8183 and MT8173 are different.
>>> The value of has_gamma for MT8173 is true while the value of MT8183
>>> is
>>> false. Therefore, the compatible of disp_aal for MT8183 is not
>>> suitable
>>> for the compatible for MT8173.
>>
>> Just because one feature is not supported, it does not mean they are
>> incompatible, which you claim in the patch below. Are you sure they
>> are
>> really incompatible and MT8173 fallback cannot be used?
>>
>>
>> Best regards,
>> Krzysztof
> 
> Hello Krzysztof,
> 
> Thanks for your review.
> 
> The difference of disp_aal for each MediaTek SoCs is "has_gamma".
> And we only control this variable for different MediaTek SoCs.
> 
> The value of has_gamma for MT8173 is true.
> The value of has_gamma for MT8183 is false. (Moreover, the driver data
> is null for MT8183)
> 
> From this situation, I think it's not compatible between MT8173 and
> MT8183.

You repeated the commit msg without bringing any new information... but
let it be, I assume setting gamma on MTT8183 is incorrect or produces
wrong results.


Best regards,
Krzysztof

Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183

[Krzysztof Kozlowski]

On 07/04/2022 08:22, Rex-BC Chen wrote:
> On Wed, 2022-04-06 at 16:44 +0200, Krzysztof Kozlowski wrote:
>> On 06/04/2022 11:46, Rex-BC Chen wrote:
>>> The driver data of MT8183 and MT8173 are different.
>>> The value of has_gamma for MT8173 is true while the value of MT8183
>>> is
>>> false. Therefore, the compatible of disp_aal for MT8183 is not
>>> suitable
>>> for the compatible for MT8173.
>>
>> Just because one feature is not supported, it does not mean they are
>> incompatible, which you claim in the patch below. Are you sure they
>> are
>> really incompatible and MT8173 fallback cannot be used?
>>
>>
>> Best regards,
>> Krzysztof
> 
> Hello Krzysztof,
> 
> Thanks for your review.
> 
> The difference of disp_aal for each MediaTek SoCs is "has_gamma".
> And we only control this variable for different MediaTek SoCs.
> 
> The value of has_gamma for MT8173 is true.
> The value of has_gamma for MT8183 is false. (Moreover, the driver data
> is null for MT8183)
> 
> From this situation, I think it's not compatible between MT8173 and
> MT8183.

You repeated the commit msg without bringing any new information... but
let it be, I assume setting gamma on MTT8183 is incorrect or produces
wrong results.


Best regards,
Krzysztof

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Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183

[Rex-BC Chen]

On Thu, 2022-04-07 at 08:49 +0200, Krzysztof Kozlowski wrote:
> On 07/04/2022 08:22, Rex-BC Chen wrote:
> > On Wed, 2022-04-06 at 16:44 +0200, Krzysztof Kozlowski wrote:
> > > On 06/04/2022 11:46, Rex-BC Chen wrote:
> > > > The driver data of MT8183 and MT8173 are different.
> > > > The value of has_gamma for MT8173 is true while the value of
> > > > MT8183
> > > > is
> > > > false. Therefore, the compatible of disp_aal for MT8183 is not
> > > > suitable
> > > > for the compatible for MT8173.
> > > 
> > > Just because one feature is not supported, it does not mean they
> > > are
> > > incompatible, which you claim in the patch below. Are you sure
> > > they
> > > are
> > > really incompatible and MT8173 fallback cannot be used?
> > > 
> > > 
> > > Best regards,
> > > Krzysztof
> > 
> > Hello Krzysztof,
> > 
> > Thanks for your review.
> > 
> > The difference of disp_aal for each MediaTek SoCs is "has_gamma".
> > And we only control this variable for different MediaTek SoCs.
> > 
> > The value of has_gamma for MT8173 is true.
> > The value of has_gamma for MT8183 is false. (Moreover, the driver
> > data
> > is null for MT8183)
> > 
> > From this situation, I think it's not compatible between MT8173 and
> > MT8183.
> 
> You repeated the commit msg without bringing any new information...
> but
> let it be, I assume setting gamma on MTT8183 is incorrect or produces
> wrong results.
> 
> 
> Best regards,
> Krzysztof

Hello Krzysztof,

Sorry for this.
I can explain more detailed.

For MT8173, the gamma module is inside disp_aal. When we need to adjust
gamma value, we need to use "has_gamma" to control gamma function
inside disp_aal to adjust gamma value.

Since MT8183 (MT8192/MT8195/MT8186), display gamma is seperated from
disp_aal. We just need to control disp_gamma directly and we don't need
to control gamma function inside disp_aal.

I will add these comments to commit message in next version to explain
it.

BRs,
Rex

Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183

[Rex-BC Chen]

On Thu, 2022-04-07 at 08:49 +0200, Krzysztof Kozlowski wrote:
> On 07/04/2022 08:22, Rex-BC Chen wrote:
> > On Wed, 2022-04-06 at 16:44 +0200, Krzysztof Kozlowski wrote:
> > > On 06/04/2022 11:46, Rex-BC Chen wrote:
> > > > The driver data of MT8183 and MT8173 are different.
> > > > The value of has_gamma for MT8173 is true while the value of
> > > > MT8183
> > > > is
> > > > false. Therefore, the compatible of disp_aal for MT8183 is not
> > > > suitable
> > > > for the compatible for MT8173.
> > > 
> > > Just because one feature is not supported, it does not mean they
> > > are
> > > incompatible, which you claim in the patch below. Are you sure
> > > they
> > > are
> > > really incompatible and MT8173 fallback cannot be used?
> > > 
> > > 
> > > Best regards,
> > > Krzysztof
> > 
> > Hello Krzysztof,
> > 
> > Thanks for your review.
> > 
> > The difference of disp_aal for each MediaTek SoCs is "has_gamma".
> > And we only control this variable for different MediaTek SoCs.
> > 
> > The value of has_gamma for MT8173 is true.
> > The value of has_gamma for MT8183 is false. (Moreover, the driver
> > data
> > is null for MT8183)
> > 
> > From this situation, I think it's not compatible between MT8173 and
> > MT8183.
> 
> You repeated the commit msg without bringing any new information...
> but
> let it be, I assume setting gamma on MTT8183 is incorrect or produces
> wrong results.
> 
> 
> Best regards,
> Krzysztof

Hello Krzysztof,

Sorry for this.
I can explain more detailed.

For MT8173, the gamma module is inside disp_aal. When we need to adjust
gamma value, we need to use "has_gamma" to control gamma function
inside disp_aal to adjust gamma value.

Since MT8183 (MT8192/MT8195/MT8186), display gamma is seperated from
disp_aal. We just need to control disp_gamma directly and we don't need
to control gamma function inside disp_aal.

I will add these comments to commit message in next version to explain
it.

BRs,
Rex

Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183

[Rex-BC Chen]

On Thu, 2022-04-07 at 08:49 +0200, Krzysztof Kozlowski wrote:
> On 07/04/2022 08:22, Rex-BC Chen wrote:
> > On Wed, 2022-04-06 at 16:44 +0200, Krzysztof Kozlowski wrote:
> > > On 06/04/2022 11:46, Rex-BC Chen wrote:
> > > > The driver data of MT8183 and MT8173 are different.
> > > > The value of has_gamma for MT8173 is true while the value of
> > > > MT8183
> > > > is
> > > > false. Therefore, the compatible of disp_aal for MT8183 is not
> > > > suitable
> > > > for the compatible for MT8173.
> > > 
> > > Just because one feature is not supported, it does not mean they
> > > are
> > > incompatible, which you claim in the patch below. Are you sure
> > > they
> > > are
> > > really incompatible and MT8173 fallback cannot be used?
> > > 
> > > 
> > > Best regards,
> > > Krzysztof
> > 
> > Hello Krzysztof,
> > 
> > Thanks for your review.
> > 
> > The difference of disp_aal for each MediaTek SoCs is "has_gamma".
> > And we only control this variable for different MediaTek SoCs.
> > 
> > The value of has_gamma for MT8173 is true.
> > The value of has_gamma for MT8183 is false. (Moreover, the driver
> > data
> > is null for MT8183)
> > 
> > From this situation, I think it's not compatible between MT8173 and
> > MT8183.
> 
> You repeated the commit msg without bringing any new information...
> but
> let it be, I assume setting gamma on MTT8183 is incorrect or produces
> wrong results.
> 
> 
> Best regards,
> Krzysztof

Hello Krzysztof,

Sorry for this.
I can explain more detailed.

For MT8173, the gamma module is inside disp_aal. When we need to adjust
gamma value, we need to use "has_gamma" to control gamma function
inside disp_aal to adjust gamma value.

Since MT8183 (MT8192/MT8195/MT8186), display gamma is seperated from
disp_aal. We just need to control disp_gamma directly and we don't need
to control gamma function inside disp_aal.

I will add these comments to commit message in next version to explain
it.

BRs,
Rex


_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek

Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183

[Rex-BC Chen]

On Thu, 2022-04-07 at 08:49 +0200, Krzysztof Kozlowski wrote:
> On 07/04/2022 08:22, Rex-BC Chen wrote:
> > On Wed, 2022-04-06 at 16:44 +0200, Krzysztof Kozlowski wrote:
> > > On 06/04/2022 11:46, Rex-BC Chen wrote:
> > > > The driver data of MT8183 and MT8173 are different.
> > > > The value of has_gamma for MT8173 is true while the value of
> > > > MT8183
> > > > is
> > > > false. Therefore, the compatible of disp_aal for MT8183 is not
> > > > suitable
> > > > for the compatible for MT8173.
> > > 
> > > Just because one feature is not supported, it does not mean they
> > > are
> > > incompatible, which you claim in the patch below. Are you sure
> > > they
> > > are
> > > really incompatible and MT8173 fallback cannot be used?
> > > 
> > > 
> > > Best regards,
> > > Krzysztof
> > 
> > Hello Krzysztof,
> > 
> > Thanks for your review.
> > 
> > The difference of disp_aal for each MediaTek SoCs is "has_gamma".
> > And we only control this variable for different MediaTek SoCs.
> > 
> > The value of has_gamma for MT8173 is true.
> > The value of has_gamma for MT8183 is false. (Moreover, the driver
> > data
> > is null for MT8183)
> > 
> > From this situation, I think it's not compatible between MT8173 and
> > MT8183.
> 
> You repeated the commit msg without bringing any new information...
> but
> let it be, I assume setting gamma on MTT8183 is incorrect or produces
> wrong results.
> 
> 
> Best regards,
> Krzysztof

Hello Krzysztof,

Sorry for this.
I can explain more detailed.

For MT8173, the gamma module is inside disp_aal. When we need to adjust
gamma value, we need to use "has_gamma" to control gamma function
inside disp_aal to adjust gamma value.

Since MT8183 (MT8192/MT8195/MT8186), display gamma is seperated from
disp_aal. We just need to control disp_gamma directly and we don't need
to control gamma function inside disp_aal.

I will add these comments to commit message in next version to explain
it.

BRs,
Rex


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

Re: [PATCH 3/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

[Rex-BC Chen]

On Wed, 2022-04-06 at 18:40 +0800, AngeloGioacchino Del Regno wrote:
> Il 06/04/22 11:46, Rex-BC Chen ha scritto:
> > The driver data for MT8192 is the same with MT8183. Therefore, we
> > correct it.
> > 
> > Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
> 
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@collabora.com>
> 
> ...though, from what I know, you should also move MT8195 down there!

Hello Angelo,

We have some misunderstanding for disp_aal of MT8195.
The MT8195 has independent disp_gamma which is seperated from disp_aal
since MT8173.
Therefore, for MT8195, the disp_aal should be the same with MT8183.
I have checked this with Jason-JH Lin who is drm owner of MT8195.

I will update disp_aal binding in next version.

BRs,
Rex

Re: [PATCH 3/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

[Rex-BC Chen]

On Wed, 2022-04-06 at 18:40 +0800, AngeloGioacchino Del Regno wrote:
> Il 06/04/22 11:46, Rex-BC Chen ha scritto:
> > The driver data for MT8192 is the same with MT8183. Therefore, we
> > correct it.
> > 
> > Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
> 
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@collabora.com>
> 
> ...though, from what I know, you should also move MT8195 down there!

Hello Angelo,

We have some misunderstanding for disp_aal of MT8195.
The MT8195 has independent disp_gamma which is seperated from disp_aal
since MT8173.
Therefore, for MT8195, the disp_aal should be the same with MT8183.
I have checked this with Jason-JH Lin who is drm owner of MT8195.

I will update disp_aal binding in next version.

BRs,
Rex

Re: [PATCH 3/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

[Rex-BC Chen]

On Wed, 2022-04-06 at 18:40 +0800, AngeloGioacchino Del Regno wrote:
> Il 06/04/22 11:46, Rex-BC Chen ha scritto:
> > The driver data for MT8192 is the same with MT8183. Therefore, we
> > correct it.
> > 
> > Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
> 
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@collabora.com>
> 
> ...though, from what I know, you should also move MT8195 down there!

Hello Angelo,

We have some misunderstanding for disp_aal of MT8195.
The MT8195 has independent disp_gamma which is seperated from disp_aal
since MT8173.
Therefore, for MT8195, the disp_aal should be the same with MT8183.
I have checked this with Jason-JH Lin who is drm owner of MT8195.

I will update disp_aal binding in next version.

BRs,
Rex


_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek

Re: [PATCH 3/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8192

[Rex-BC Chen]

On Wed, 2022-04-06 at 18:40 +0800, AngeloGioacchino Del Regno wrote:
> Il 06/04/22 11:46, Rex-BC Chen ha scritto:
> > The driver data for MT8192 is the same with MT8183. Therefore, we
> > correct it.
> > 
> > Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
> 
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@collabora.com>
> 
> ...though, from what I know, you should also move MT8195 down there!

Hello Angelo,

We have some misunderstanding for disp_aal of MT8195.
The MT8195 has independent disp_gamma which is seperated from disp_aal
since MT8173.
Therefore, for MT8195, the disp_aal should be the same with MT8183.
I have checked this with Jason-JH Lin who is drm owner of MT8195.

I will update disp_aal binding in next version.

BRs,
Rex


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel