[Intel-gfx] [PATCH] drm/i915: handle FBC and self-refresh better

[Julien Cristau]

On Sat, Feb  6, 2010 at 10:41:53 -0800, Jesse Barnes wrote:

> On 945, we need to avoid entering self-refresh if the compressor is
> busy, or we may cause display FIFO underruns leading to ugly flicker.
> 
> Fixes fdo bug #24314, kernel bug #15043.
> 
> Tested-by: Alexander Lam <lambchop468 at gmail.com>
> Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>

Seems to fix blinking of my lvds panel with i915.powersave=1
(http://bugs.freedesktop.org/show_bug.cgi?id=25371)

Tested-by: Julien Cristau <jcristau at debian.org>

Thanks,
Julien