[Intel-gfx] IEGD to xf86-video-intel
Jani Nikula
jani.nikula at linux.intel.com
Thu Jan 16 14:07:28 CET 2014
On Thu, 16 Jan 2014, Dragos Carp <Dragos.Carp at funkwerk-itk.com> wrote:
> Hi Jani,
>
> thank you for your response.
> Attached is the dmesg output trimmed of more thousand lines like:
> [drm:i915_irq_handler], pipe B underrun
Auch. I was hoping to see the early boot, and the first errors. Please
set log_buf_len kernel parameter big enough to capture that. You can
still scrub the excess underrun messages from the output...
Thanks,
Jani.
>
> Kernel command line was:
> linux /boot/vmlinuz-3.11.6-4-desktop
> root=UUID=12529369-6b58-4afe-8e65-9801c19ad8c5
> resume=/dev/disk/by-id/ata-SQF-P10S2-4G_7DF707151A0900716999-part1
> splash=silent drm_kms_helper.edid_firmware=edid/1920x1080.bin quiet
> showopts drm.debug=0xe video=VGA-1:d video=LVDS-1:1920x1080
> video=LVDS-2:1920x1080
>
> Result was the same: LVDS-2 starts with right resolution, but wrong
> colors and LVDS-1 stays black.
>
> I know that the panels are right connected, because the IEGD driver
> starts both panels, but without direct rendering :(.
>
--
Jani Nikula, Intel Open Source Technology Center
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