Re: [PATCH 3/4] drm/meson: Enable DRM InfoFrame support on GXL, GXM and G12A

From: Neil Armstrong
Date: Wed Jun 26 2019 - 05:16:42 EST


On 24/06/2019 16:59, Andrzej Hajda wrote:
> On 26.05.2019 23:20, Jonas Karlman wrote:
>> This patch enables Dynamic Range and Mastering InfoFrame on GXL, GXM and G12A.
>>
>> Cc: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
>> Signed-off-by: Jonas Karlman <jonas@xxxxxxxxx>
>> ---
>> drivers/gpu/drm/meson/meson_dw_hdmi.c | 5 +++++
>> 1 file changed, 5 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.c b/drivers/gpu/drm/meson/meson_dw_hdmi.c
>> index df3f9ddd2234..f7761e698c03 100644
>> --- a/drivers/gpu/drm/meson/meson_dw_hdmi.c
>> +++ b/drivers/gpu/drm/meson/meson_dw_hdmi.c
>> @@ -966,6 +966,11 @@ static int meson_dw_hdmi_bind(struct device *dev, struct device *master,
>> dw_plat_data->input_bus_format = MEDIA_BUS_FMT_YUV8_1X24;
>> dw_plat_data->input_bus_encoding = V4L2_YCBCR_ENC_709;
>>
>> + if (dw_hdmi_is_compatible(meson_dw_hdmi, "amlogic,meson-gxl-dw-hdmi") ||
>> + dw_hdmi_is_compatible(meson_dw_hdmi, "amlogic,meson-gxm-dw-hdmi") ||
>> + dw_hdmi_is_compatible(meson_dw_hdmi, "amlogic,meson-g12a-dw-hdmi"))
>> + dw_plat_data->drm_infoframe = true;
>> +
>
>
> I see it follows meson_dw_hdmi.c practices, but maybe it is time to drop
> it and just add flag to meson_dw_hdmi_data, IMO the whole
> dw_hdmi_is_compatible function should be removed
>
> and replaced with fields/flags in meson_dw_hdmi_data - this is what
> of_device_id.data field was created for.

It's in our cleanup process, this will pushed shortly, but in the meantime it
can be left as-is until cleanup is pushed, I'll sort it manually if both
happens in the same time.

Neil

>
>
> Regards
>
> Andrzej
>
>
>> platform_set_drvdata(pdev, meson_dw_hdmi);
>>
>> meson_dw_hdmi->hdmi = dw_hdmi_bind(pdev, encoder,
>
>