The OVL hardware capabilities have changed starting from MT8195,
making the MT8183 compatible no longer applicable.
Therefore, it is necessary to remove the MT8183 compatible for OVL.

Signed-off-by: Jason-JH.Lin <jason-jh.lin@mediatek.com>
---
 arch/arm64/boot/dts/mediatek/mt8195.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
index ade685ed2190..137ee8929e01 100644
--- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
@@ -3138,7 +3138,7 @@ larb20: larb@1b010000 {
 		};
 
 		ovl0: ovl@1c000000 {
-			compatible = "mediatek,mt8195-disp-ovl", "mediatek,mt8183-disp-ovl";
+			compatible = "mediatek,mt8195-disp-ovl";
 			reg = <0 0x1c000000 0 0x1000>;
 			interrupts = <GIC_SPI 636 IRQ_TYPE_LEVEL_HIGH 0>;
 			power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS0>;
-- 
2.43.0

Hi Jason,

On Fri, Dec 13, 2024 at 5:50 PM Jason-JH.Lin <jason-jh.lin@mediatek.com> wrote:
>
> The OVL hardware capabilities have changed starting from MT8195,
> making the MT8183 compatible no longer applicable.
> Therefore, it is necessary to remove the MT8183 compatible for OVL.

Similar to patch 2/3, we need a:

Fixes: b852ee68fd72 ("arm64: dts: mt8195: Add display node for vdosys0")

>
> Signed-off-by: Jason-JH.Lin <jason-jh.lin@mediatek.com>
> ---
>  arch/arm64/boot/dts/mediatek/mt8195.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
> index ade685ed2190..137ee8929e01 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
> @@ -3138,7 +3138,7 @@ larb20: larb@1b010000 {
>                 };
>
>                 ovl0: ovl@1c000000 {
> -                       compatible = "mediatek,mt8195-disp-ovl", "mediatek,mt8183-disp-ovl";
> +                       compatible = "mediatek,mt8195-disp-ovl";
>                         reg = <0 0x1c000000 0 0x1000>;
>                         interrupts = <GIC_SPI 636 IRQ_TYPE_LEVEL_HIGH 0>;
>                         power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS0>;
> --
> 2.43.0
>

Regards,
Pin-yen

Il 13/12/24 11:27, Pin-yen Lin ha scritto:
> Hi Jason,
> 
> On Fri, Dec 13, 2024 at 5:50 PM Jason-JH.Lin <jason-jh.lin@mediatek.com> wrote:
>>
>> The OVL hardware capabilities have changed starting from MT8195,
>> making the MT8183 compatible no longer applicable.
>> Therefore, it is necessary to remove the MT8183 compatible for OVL.
> 
> Similar to patch 2/3, we need a:
> 
> Fixes: b852ee68fd72 ("arm64: dts: mt8195: Add display node for vdosys0")
> 

No, we don't, for reasons that are similar to the ones that I explained in the
MT8188 commit.

Besides, this one was already featureful before this commit, so really this is
not worth backporting at all.

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

>>
>> Signed-off-by: Jason-JH.Lin <jason-jh.lin@mediatek.com>
>> ---
>>   arch/arm64/boot/dts/mediatek/mt8195.dtsi | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
>> index ade685ed2190..137ee8929e01 100644
>> --- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi
>> +++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
>> @@ -3138,7 +3138,7 @@ larb20: larb@1b010000 {
>>                  };
>>
>>                  ovl0: ovl@1c000000 {
>> -                       compatible = "mediatek,mt8195-disp-ovl", "mediatek,mt8183-disp-ovl";
>> +                       compatible = "mediatek,mt8195-disp-ovl";
>>                          reg = <0 0x1c000000 0 0x1000>;
>>                          interrupts = <GIC_SPI 636 IRQ_TYPE_LEVEL_HIGH 0>;
>>                          power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS0>;
>> --
>> 2.43.0
>>
> 
> Regards,
> Pin-yen