[Intel-gfx] [PATCH] drm/i915: Clear any existing dither mode prior to enabling spatial dithering

We cannot the initial configuration set by the BIOS not to have a dither mode enabled which conflicts with our enabling the Spatial Temporal 1 dither mode for PCH. In particular, the BIOS may either enable temporal dithering or the Spatial Temporal 2 with the result that we enable pure temporal dit

[Intel-gfx] i915 (GM45) instability (and an oops)

I've been running 2.6.35 rc's and xf86-drv-intel git master for awhile, and X has been a bit unstable.  Every now and then, graphics freeze completely, except that the mouse still works (I think) and capslock toggles the LED. If I switch to a different VT and killall -9 Xorg, everything recovers.

[Intel-gfx] Fixing the hotplug storm bugs once and for all?

For well over a year now, I (and apparently lots of other people) have had to run patched kernels to avoid crippling hotplug storms. As far as I can tell, on my laptop, enabling DPC_HOTPLUG_INT_EN is safe, but setting either DPB_... or DPD_... (or both) will cause intermittent hotplug interrupt st