Re: [PATCH v1 17/17] drm/mediatek: Add mt8195-dpi support to drm_drv

From: Krzysztof Kozlowski
Date: Tue Sep 27 2022 - 10:29:28 EST


On 27/09/2022 15:04, Guillaume Ranquet wrote:
> On Thu, 22 Sep 2022 09:20, Krzysztof Kozlowski
> <krzysztof.kozlowski@xxxxxxxxxx> wrote:
>> On 19/09/2022 18:56, Guillaume Ranquet wrote:
>>> Add dpi support to enable the HDMI path.
>>>
>>> Signed-off-by: Guillaume Ranquet <granquet@xxxxxxxxxxxx>
>>>
>>> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
>>> index 72049a530ae1..27f029ca760b 100644
>>> --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
>>> +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
>>> @@ -820,6 +820,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = {
>>> .data = (void *)MTK_DPI },
>>> { .compatible = "mediatek,mt8192-dpi",
>>> .data = (void *)MTK_DPI },
>>> + { .compatible = "mediatek,mt8195-dpi",
>>> + .data = (void *)MTK_DPI },
>>
>> It's compatible with the others. You don't need more compatibles.
>
> Hi Krzysztof,
>
> It's a bit confusing, because this compatible is used in both
> mtk_drm_drv.c and in mtk_dpi.c
>
> Albeit it's entirely the same thing regarding the mtk_drm_drv module,
> it's pretty different
> regarding the mtk_dpi module.

Sure, but this does not explain why do you need these entries here in
mtk_drm_drv.

Best regards,
Krzysztof