Hi all,

On 01/27/2014 04:43 PM, Eric Nelson wrote:
Thanks Otavio,

On 01/25/2014 03:09 PM, Otavio Salvador wrote:
From: Lauren Post <[email protected]>

 <snip>

  EXTRA_OEMAKE += "-C EXA/src -f makefile.linux prefix=${D}/usr \
                   sysroot=${STAGING_DIR_TARGET} \
@@ -24,7 +25,7 @@ CFLAGS += "-I${STAGING_INCDIR}/xorg \
             -I${STAGING_INCDIR}/drm \
             -I../../DRI_1.10.4/src"

-S = "${WORKDIR}/xserver-xorg-video-imx-viv-${PV}/"
+S = "${WORKDIR}/xserver-xorg-video-imx-viv-${PV}_beta/"


I'm not sure if this is the right patch to tag, but during my testing of
the Vivante/X integration, I saw some issues related to mode settings.

On Nitrogen6x Quad core, I'm seeing X start up with a mode of 640x480,
on the HDMI device even though the kernel command line is configured
for 720P.

The same is not true with the same monitor and Nitrogen6_Lite (Solo
processor):

The prime leads are these from Xorg.0.log (attached):

[3585503.788] (II) VIVANTE(0): Output DISP3 BG - DI1 connected
[3585503.788] (II) VIVANTE(0): Using exact sizes for initial modes
[3585503.788] (II) VIVANTE(0): Output DISP3 BG - DI1 using initial mode
V:640x480p-60
[3585504.480] (II) VIVANTE(0): imxDisplayPreInit: virtual set 640 x 480,
display width 0
[3585504.480] (II) VIVANTE(0): FBDevPreInit: adjust display width 640

Oddly, the display reverts to 720p (1280x720) if I stop X.

This appears using either kernel version 3.0.35 or 3.10.17.

I'm continuing to investigate, but thought I'd send out a note
in case others are seeing similar behaviour or know what might
be involved here.


While I haven't figured out why the X startup isn't recognizing
the current video mode, I have figured out that I can switch
between modes using XRandR:

1080P:
        root@nitrogen6x-lite:~# xrandr --size 1920x1080 --rate 60
720P:
        root@nitrogen6x-lite:~# xrandr --size 1280x720 --rate 60

There's probably also a way to set this up inside xorg.conf,
but I don't know the secret(s) yet.

Regards,


Eric
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