From: gianluca <gianlucarenzi@eurekelettronica.it>
To: Lucas Stach <l.stach@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: Fwd: Barebox 2017.02 works great but no Linux Framebuffer... :-/
Date: Wed, 21 Jun 2017 17:18:15 +0200 [thread overview]
Message-ID: <3f12f02e-cccc-1edb-94d1-8cff2b69c808@eurekelettronica.it> (raw)
In-Reply-To: <1498045832.2904.105.camel@pengutronix.de>
On 06/21/2017 01:50 PM, Lucas Stach wrote:
> The fbdev emulation in the imx-drm driver defaults to 16bpp. If you want
> to change this you need to provide the module parameter
> "legacyfb_depth=32".
>
>
> Debian GNU/Linux 8 edelin ttymxc2
>
> edelin login: root
> Password:
> Linux edelin 4.9.7-EK20170621 #1 SMP Wed Jun 21 15:23:57 CEST 2017 armv7l
>
> The programs included with the Debian GNU/Linux system are free software;
> the exact distribution terms for each program are described in the
> individual files in /usr/share/doc/*/copyright.
>
> Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
> permitted by applicable law.
> root@edelin:~# fbset
>
> mode "1280x800"
> geometry 1280 800 1280 800 16
> timings 0 0 0 0 0 0 0
> accel true
> rgba 5/11,6/5,5/0,0/0
> endmode
>
> root@edelin:~# cat /proc/cmdline
> console=ttymxc2,115200 rootwait noswap ip=none noinitrd rootfstype=nilfs2 \
> root=/dev/mmcblk1p3 fec.macaddr=0x7a,0x3f,0x03,0xe3,0xa2,0xff \
> system_rev=0xe3600000 system_serialnr=0x00000000 \
> lcd_type=am1280800n3tz fastboot quiet loglevel=3 console=tty0 \
> video=mxcfb0:dev=ldb,if=RGB24,bpp=32 \
> fbmem=32M vmalloc=400M imx-drm.legacyfb_depth=32
As you can see imx-drm.legacy_depth=32 is passed to the kernel from
bootloader.
The CONFIG for FrameBuffer Emulation with DRM and HELPERS are enabled.
But fbset is telling me 16 bpp... :-(
Any help?
--
Eurek s.r.l. |
Electronic Engineering | http://www.eurek.it
via Celletta 8/B, 40026 Imola, Italy | Phone: +39-(0)542-609120
p.iva 00690621206 - c.f. 04020030377 | Fax: +39-(0)542-609212
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next prev parent reply other threads:[~2017-06-21 15:18 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <63687e34-f354-81d3-aed7-1a59866925c5@eurekelettronica.it>
2017-02-21 13:04 ` gianluca
2017-02-21 14:56 ` gianluca
2017-02-21 15:03 ` Lucas Stach
2017-02-21 17:59 ` gianluca
2017-06-19 15:49 ` gianluca
2017-06-21 6:32 ` Sascha Hauer
2017-06-21 11:35 ` gianluca
2017-06-21 11:50 ` Lucas Stach
2017-06-21 15:18 ` gianluca [this message]
2017-06-21 15:30 ` Lucas Stach
2017-06-23 9:45 ` gianluca
2017-06-26 8:40 ` gianluca
2017-06-26 8:46 ` Lucas Stach
2017-06-26 13:28 ` gianluca
2017-06-28 16:55 ` gianluca
2017-06-29 8:37 ` Lucas Stach
2017-06-29 10:07 ` gianluca
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