linux-kernel - Re: [PATCH] drm/mxsfb: Make supported modifiers explicit

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Message-ID: <427ac44d83e9502afb5a809f28544d6c@agner.ch>
Date:   Mon, 20 Jul 2020 11:03:04 +0200
From:   Stefan Agner <stefan@...er.ch>
To:     Guido Günther <agx@...xcpu.org>
Cc:     Lucas Stach <l.stach@...gutronix.de>, Marek Vasut <marex@...x.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/mxsfb: Make supported modifiers explicit

On 2020-07-18 19:14, Guido Günther wrote:
> Hi,
> On Mon, Mar 23, 2020 at 04:51:05PM +0100, Lucas Stach wrote:
>> Am Montag, den 23.03.2020, 15:52 +0100 schrieb Guido Günther:
>> > In contrast to other display controllers on imx like DCSS and ipuv3
>> > lcdif/mxsfb does not support detiling e.g. vivante tiled layouts.
>> > Since mesa might assume otherwise make it explicit that only
>> > DRM_FORMAT_MOD_LINEAR is supported.
>> >
>> > Signed-off-by: Guido Günther <agx@...xcpu.org>
>>
>> Reviewed-by: Lucas Stach <l.stach@...gutronix.de>
> 
> Can i do anything to get this applied?
> Cheers,
>  -- Guido

Sorry about the delay, I was thinking to apply it with another patchset
which is not ready though.

Pushed this patch to drm-misc-next just now.

--
Stefan

> 
>>
>> > ---
>> >  drivers/gpu/drm/mxsfb/mxsfb_drv.c | 9 +++++++--
>> >  1 file changed, 7 insertions(+), 2 deletions(-)
>> >
>> > diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.c b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
>> > index 762379530928..fc71e7a7a02e 100644
>> > --- a/drivers/gpu/drm/mxsfb/mxsfb_drv.c
>> > +++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
>> > @@ -73,6 +73,11 @@ static const uint32_t mxsfb_formats[] = {
>> >  	DRM_FORMAT_RGB565
>> >  };
>> >
>> > +static const uint64_t mxsfb_modifiers[] = {
>> > +	DRM_FORMAT_MOD_LINEAR,
>> > +	DRM_FORMAT_MOD_INVALID
>> > +};
>> > +
>> >  static struct mxsfb_drm_private *
>> >  drm_pipe_to_mxsfb_drm_private(struct drm_simple_display_pipe *pipe)
>> >  {
>> > @@ -334,8 +339,8 @@ static int mxsfb_load(struct drm_device *drm, unsigned long flags)
>> >  	}
>> >
>> >  	ret = drm_simple_display_pipe_init(drm, &mxsfb->pipe, &mxsfb_funcs,
>> > -			mxsfb_formats, ARRAY_SIZE(mxsfb_formats), NULL,
>> > -			mxsfb->connector);
>> > +			mxsfb_formats, ARRAY_SIZE(mxsfb_formats),
>> > +			mxsfb_modifiers, mxsfb->connector);
>> >  	if (ret < 0) {
>> >  		dev_err(drm->dev, "Cannot setup simple display pipe\n");
>> >  		goto err_vblank;
>>