From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Magnus Damm <magnus.damm@gmail.com>,
Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>,
Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH] ARM: shmobile: defconfig: Restore graphical consoles
Date: Mon, 12 Jul 2021 14:43:39 +0300 [thread overview]
Message-ID: <YOwq65XMf8jBVQ4I@pendragon.ideasonboard.com> (raw)
In-Reply-To: <CAMuHMdU2JKtnRWj-TsS+NxRN5hoapRRMgrmmZJY5agN6G-z_NQ@mail.gmail.com>
Hi Geert,
On Mon, Jul 12, 2021 at 01:35:34PM +0200, Geert Uytterhoeven wrote:
> On Mon, Jul 12, 2021 at 1:25 PM Laurent Pinchart wrote:
> > On Mon, Jul 12, 2021 at 12:16:57PM +0200, Geert Uytterhoeven wrote:
> > > As of commit f611b1e7624ccdbd ("drm: Avoid circular dependencies for
> > > CONFIG_FB"), CONFIG_FB is no longer auto-enabled. While CONFIG_FB may
> > > be considered unneeded for systems where graphics is provided by a DRM
> > > driver, R-Mobile A1 still relies on a frame buffer device driver for
> > > graphics support.
> > >
> > > Restore support for graphics on R-Mobile A1 and graphical consoles on
> > > DRM-based systems by explicitly enabling CONFIG_FB in the defconfig for
> > > Renesas ARM systems.
> >
> > Does anyone still care about the Armadillo board ?
>
> I do. It's my only Renesas board with graphical output ;-)
I recommend a VGA or HDMI monitor :-) The sh-mobile-lcdcfb driver is
unmaintained. If nostalgia is a big enough drive factor, you could try
converting R-Mobile A1 to the shmob-drm driver :-)
> > This being said, I think CONFIG_FB should be added , but for a different
> > reason. There's no KMS console driver, so the only option we have today,
> > even when a KMS driver is available, is to go through FBDEV emulation,
> > which requires CONFIG_FB to be enabled.
>
> That's covered by "Restore [...] graphical consoles on DRM-based
> systems", right?
I had read the commit message as implying that a graphical console can
be available without FB when a KMS driver is available.
--
Regards,
Laurent Pinchart
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next prev parent reply other threads:[~2021-07-12 11:46 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-12 10:16 [PATCH] ARM: shmobile: defconfig: Restore graphical consoles Geert Uytterhoeven
2021-07-12 11:24 ` Laurent Pinchart
2021-07-12 11:35 ` Geert Uytterhoeven
2021-07-12 11:43 ` Laurent Pinchart [this message]
2021-07-12 11:49 ` Geert Uytterhoeven
2021-07-12 12:04 ` Laurent Pinchart
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