linux-kernel - Re: [PATCH v1 2/7] ARM: imx_v6_v7

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Message-ID: <CAOMZO5C77MSXtjMyE5iTCcwFDo0pPFBM=qscRPU1J7kkmgs-pQ@mail.gmail.com>
Date:   Mon, 13 Sep 2021 18:57:14 -0300
From:   Fabio Estevam <festevam@...il.com>
To:     Stefan Wahren <stefan.wahren@...e.com>
Cc:     Marcel Ziswiler <marcel@...wiler.com>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        Marcel Ziswiler <marcel.ziswiler@...adex.com>,
        Andreas Kemnade <andreas@...nade.info>,
        Anson Huang <Anson.Huang@....com>, Marek Vasut <marex@...x.de>,
        NXP Linux Team <linux-imx@....com>,
        Pascal Zimmermann <pzimmermann@...electronics.com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Russell King <linux@...linux.org.uk>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Shawn Guo <shawnguo@...nel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 2/7] ARM: imx_v6_v7_defconfig: enable fb

On Fri, Aug 27, 2021 at 12:33 PM Stefan Wahren <stefan.wahren@...e.com> wrote:
>
> Hi,
>
> Am 26.08.21 um 21:03 schrieb Fabio Estevam:
> > Hi Marcel,
> >
> > On Thu, Aug 19, 2021 at 11:04 AM Marcel Ziswiler <marcel@...wiler.com> wrote:
> >> From: Marcel Ziswiler <marcel.ziswiler@...adex.com>
> >>
> >> Enable CONFIG_FB which is nowadays required for CONFIG_DRM_PANEL_LVDS,
> >> CONFIG_DRM_PANEL_SIMPLE, CONFIG_DRM_PANEL_SEIKO_43WVF1G,
> >> CONFIG_FB_MODE_HELPERS, CONFIG_BACKLIGHT_PWM, CONFIG_BACKLIGHT_GPIO,
> >> CONFIG_FRAMEBUFFER_CONSOLE, CONFIG_LOGO, CONFIG_FONTS, CONFIG_FONT_8x8
> >> and CONFIG_FONT_8x16.
> >>
> >> Signed-off-by: Marcel Ziswiler <marcel.ziswiler@...adex.com>
> > Yes, I noticed that I had no LCD output on an imx6ull-evk board and
> > after selecting CONFIG_FB it works again.
>
> this was caused by:
>
> f611b1e7624c ("drm: Avoid circular dependencies for CONFIG_FB")

Thanks, Stefan.

Marcel, I think you could resend this one with the Fixes tag and
hopefully it could be applied as a fix for 5.14-rc.

We can consider it as a regression fix, because it restores display
support on many i.MX boards on 5.14-rc.

Thanks