On Wed, Aug 08, 2012 at 10:35:53PM +1000, Francois Rigaut wrote: > Daniel, > > On 08/08/12 02:19, Daniel Vetter wrote: > >On Wed, Aug 08, 2012 at 12:17:50AM +1000, Francois Rigaut wrote: > >>Daniel, > >> > >>ok, updated intel-gpu-tools and dumped the various config. > >>Unfortunately, X froze when I tried the to switch to pipe C (--crtc > >>2). I have three dumps with the various config: > >> > >>http://maumae.net/retina/intel_corrupted_drm_debug/ird_inteldie << > >>that's with i915.die=1 > >> > >>http://maumae.net/retina/intel_corrupted_drm_debug/ird_i915_loaded_notC_inX > >><< that's with i915 loaded, within X, and not switched to pipe C > >>(had restarted X after the freeze mentionned above) > >> > >>http://maumae.net/retina/intel_corrupted_drm_debug/ird_i915_loaded_from_fb > >><< that with i915 loaded, switch to pipe C (probably not working) > >>and done in a console (the freeze didn't affect the keyboard so I > >>was able to switch VT). Probably not very useful. > >Pardon me but I've fumbled the pipe C reg dumping patch. Can you please > >regrab with an update intel-gpu-tools (now it should work)? > no worries. I have regrab the reg_dumps (intel-gpu-tools updated and > re-built) with the same restrictions (xrandr --crtc2 freezes X so I > did not attempt it): > > http://maumae.net/retina/intel_corrupted_drm_debug/ird_i915_loaded_inX_take2 > i915 loaded, reg_dump done within X, no-pipeC. > > http://maumae.net/retina/intel_corrupted_drm_debug/ird_i915_not_loaded_take2 > > obtained from the console with i915 not loaded (i915.die=1). Sorry to pester you again, but this time around I've forgotten to actually push out the new code, it's still without pipe C :( "tools/reg_dumper: really dump pipe C regs" is the patch you need. Can you please re-grab the dumps? Sorry, Daniel -- Daniel Vetter Mail: daniel at ffwll.ch Mobile: +41 (0)79 365 57 48