Wavering Arrandale output

[Gustavo F. Padovan]

* Chris Wilson <chris at chris-wilson.co.uk> [2011-05-14 08:55:15 +0100]:

> On Fri, 13 May 2011 17:45:11 -0300, "Gustavo F. Padovan" <padovan at profusion.mobi> wrote:
> > Hi Chris,
> > 
> > Bug #28306 is going to complete his first birthday at the end of this month,
> > it is nagging around for a long time and I have many interest in fix this.
> > 
> > So I tested your patch in duplicated bug #36599 and it doesn't work, but I
> > managed to add some printks(see diff) there to help debug.
> > 
> > [    1.033866] [drm:intel_crtc_mode_set] *ERROR* 1. use_ssc 1
> > [    1.033868] [drm:intel_crtc_mode_set] *ERROR* encoder->type 4
> > [    1.033869] [drm:intel_crtc_mode_set] *ERROR* 2. use_ssc 1
> > [    1.034120] [drm:intel_crtc_mode_set] *ERROR* is_lvds 1
> > [    1.034121] [drm:intel_crtc_mode_set] *ERROR* has_edp_encoder
> > (null)
> > [    1.191465] [drm:intel_crtc_mode_set] *ERROR* 1. use_ssc 1
> > [    1.191466] [drm:intel_crtc_mode_set] *ERROR* encoder->type 4
> > [    1.191468] [drm:intel_crtc_mode_set] *ERROR* encoder->type 1
> > [    1.191469] [drm:intel_crtc_mode_set] *ERROR* 2. use_ssc 0
> > [    1.191720] [drm:intel_crtc_mode_set] *ERROR* is_lvds 0
> > [    1.191721] [drm:intel_crtc_mode_set] *ERROR* has_edp_encoder
> > (null)
> > 
> > It seems your patch has no effect once has_edp_encoder is null. Can you please
> > look into this? I can provide any test you may want, just send me the patches.
> > ;)
> 
> With no eDP on the system, we wouldn't expect to apply any of the eDP
> settings.
> 
> Even after your fix to the patch, nothing? Can you try just setting
> use_ssc=0 (and keep your fix).

Nothing.

-- 
Gustavo F. Padovan
http://profusion.mobi