Re: [Intel-gfx] [PATCH 14/16] Revert "drm/i915: Nuke pipe A quirk on i830M"

2014-08-15 Thread Thomas Richter
On 15.08.2014 00:22, ville.syrj...@linux.intel.com wrote: From: Ville Syrjälä 830 really does want the pipe A quirk. The planes and ports don't react to any register writes unless the pipe currently attached to them is running, so it's impossible to move them to the other pipe unless both pipes

[Intel-gfx] [PATCH 14/16] Revert "drm/i915: Nuke pipe A quirk on i830M"

2014-08-14 Thread ville . syrjala
From: Ville Syrjälä 830 really does want the pipe A quirk. The planes and ports don't react to any register writes unless the pipe currently attached to them is running, so it's impossible to move them to the other pipe unless both pipes are running. Also it's documented that the DPLL must be en