[Intel-gfx] [PATCH] drm/i915: don't clobber the special upscaling lvds timings

[Daniel Vetter]

On Sun, Apr 15, 2012 at 07:03:18PM +0100, Chris Wilson wrote:
> On Sun, 15 Apr 2012 19:53:19 +0200, Daniel Vetter <daniel.vetter at ffwll.ch> wrote:
> > This regression has been introduced in
> > 
> > commit ca9bfa7eed20ea34e862804e62aae10eb159edbb
> > Author: Daniel Vetter <daniel.vetter at ffwll.ch>
> > Date:   Sat Jan 28 14:49:20 2012 +0100
> > 
> >     drm/i915: fixup interlaced vertical timings confusion, part 1
> > 
> > Unfortunately that commit failed to take into account that the lvds
> > code does some special adjustements to the crtc timings for upscaling
> > an centering.
> > 
> > Fix this by explicitly computing crtc timings in the lvds mode fixup
> > function and setting a special flag in mode->private_flags if the crtc
> > timings have been adjusted.
> > 
> > v2: Add a comment to explain the new mode driver private flag,
> > suggested by Eugeni Dodonov.
> > 
> > v3: Kill the confusing and now redundant set_crtcinfo call in
> > intel_fixed_panel_mode, noticed by Chris Wilson.
> > 
> > Reported-and-Tested-by: Hans de Bruin <jmdebruin at xmsnet.nl>
> > Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=43071
> > Reviewed-by: Eugeni Dodonov <eugeni.dodonov at intel.com>
> > Signed-Off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
> 
> The patch fixes a regression and shouldn't have any side-effects as far
> as I can see, so
> Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
> 
> Just wish there were more ponies.

Picked up for -fixes, thanks for the review.
-Daniel
-- 
Daniel Vetter
Mail: daniel at ffwll.ch
Mobile: +41 (0)79 365 57 48