[Intel-gfx] [PATCH] drm/i915: Don't call intel_update_fbc from intel_crtc_cursor_set

[Arkadiusz Miskiewicz]

On Tuesday 29 of September 2009, Alexey Fisher wrote:
> Jesse Barnes schrieb:
> > On Mon, 28 Sep 2009 16:25:11 -0700
> >
> > Jesse Barnes <jbarnes at virtuousgeek.org> wrote:
> >> On Mon, 28 Sep 2009 15:41:08 -0700
> >>
> >> Brian Rogers <brian at xyzw.org> wrote:
> >>> Commit 74dff282 exposed this unnecessary call by causing a change in
> >>> the failure path on i965 where framebuffer compression will be
> >>> turned on and off on every cursor update. If you don't have the
> >>> xf86-video-intel fix to avoid the blinking cursor effect, this is
> >>> very slow.
> >>>
> >>> Symptoms were a far more noticeable cursor blink with every cursor
> >>> image change combined with severe slowdown for animated cursors.
> >>>
> >>> Signed-off-by: Brian Rogers <brian at xyzw.org>
> >>> Acked-by: Jesse Barnes <jbarnes at virtuousgeek.org>
> >>
> >> Should also go to stable.  Eric can you cc stable when you apply this?
> >
> > Ignore this; this code isn't in 2.6.31 so stable cc isn't needed.
> >
> > Jesse
> 
> This fix my "regression on vanilla kernel "drm/i915: framebuffer
> compression for pre-GM45" issue.

Unfortunately doesn't fix flickering caused by "    drm/i915: framebuffer 
compression for GM45+" on GM45 card.

> Thanks
> 
> Alexey
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> 


-- 
Arkadiusz Miśkiewicz        PLD/Linux Team
arekm / maven.pl            http://ftp.pld-linux.org/