linux-kernel - Re: [PATCH 2/2] drm/sun4i: add lvds mode

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Date:   Fri, 2 Mar 2018 17:50:24 +0100
From:   Giulio Benetti <giulio.benetti@...ronovasrl.com>
To:     Maxime Ripard <maxime.ripard@...tlin.com>
Cc:     David Airlie <airlied@...ux.ie>, Chen-Yu Tsai <wens@...e.org>,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] drm/sun4i: add lvds mode_valid function

Hi,

Il 02/03/2018 15:37, Maxime Ripard ha scritto:
> On Fri, Mar 02, 2018 at 12:42:14PM +0100, Giulio Benetti wrote:
>> Hi,
>>
>> Il 01/03/2018 10:57, Maxime Ripard ha scritto:
>>> On Wed, Feb 28, 2018 at 06:53:52PM +0100, Giulio Benetti wrote:
>>>>    static struct drm_connector_helper_funcs sun4i_lvds_con_helper_funcs = {
>>>>    	.get_modes	= sun4i_lvds_get_modes,
>>>> +	.mode_valid	= sun4i_lvds_mode_valid,
>>>>    };
>>>
>>> This should be on the encoder, not the connector.
>>
>> I've seen it is bound to connector in rgb and to encoder in hdmi.
>> Is it correct rgb mode_valid under connector funcs?
>> Otherwise I send a patch also for that one.
> 
> This would need to be fixed as well. Bridges attach to encoder, not
> connectors, so if you ever have a bridge connected to the RGB output
> (like on the A13-Olinuxino), mode_valid isn't called at the moment.

Ok, I will do the same for rgb and submit a patchset,
need some time to test both lvds and rgb.

-- 
Giulio Benetti
CTO

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