linux-kernel - Re: [PATCH v2] drm/rockchip: remove existing generic drivers to take over the device

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Message-ID: <bc8ba42b-2fbf-ba95-d7a4-92f789142bd3@suse.de>
Date:   Fri, 28 May 2021 15:59:15 +0200
From:   Thomas Zimmermann <tzimmermann@...e.de>
To:     Javier Martinez Canillas <javierm@...hat.com>,
        linux-kernel@...r.kernel.org
Cc:     David Airlie <airlied@...ux.ie>, Sandy Huang <hjc@...k-chips.com>,
        dri-devel@...ts.freedesktop.org,
        linux-rockchip@...ts.infradead.org,
        Peter Robinson <pbrobinson@...il.com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2] drm/rockchip: remove existing generic drivers to take
 over the device



Am 27.05.21 um 09:38 schrieb Javier Martinez Canillas:
> Hello Thomas,
> 
> On 5/16/21 12:30 PM, Thomas Zimmermann wrote:
>>
>>
>> Am 16.05.21 um 09:48 schrieb Javier Martinez Canillas:
>>> There are drivers that register framebuffer devices very early in the boot
>>> process and make use of the existing framebuffer as setup by the firmware.
>>>
>>> If one of those drivers has registered a fbdev, then the fallback fbdev
>> of
>>> the DRM driver won't be bound to the framebuffer console. To avoid that,
>>> remove any existing generic driver and take over the graphics device.
>>>
>>> By doing that, the fb mapped to the console is switched correctly from the
>>> early fbdev to the one registered by the rockchip DRM driver:
>>>
>>>       [   40.752420] fb0: switching to rockchip-drm-fb from EFI VGA
>>>
>>> Signed-off-by: Javier Martinez Canillas <javierm@...hat.com>
>>
>> Acked-by: Thomas Zimmermann <tzimmermann@...e.de>
>>
> 
> Thanks for the ack.
>   
>> Ping me if no one else merges the patch.
>>
> 
> I would really appreciate if you merge this patch.

It's merged now. Thanks for the patch.

Best regards
Thomas

>   
>> Best regards
>> Thomas
> 
> Best regards,
> 

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer



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