2012/1/26 Daniel Vetter <daniel.vetter at ffwll.ch>: > An identical patch has been merged for i9xx_crtc_mode_set: > > ommit 59df7b1771c150163e522f33c638096ab0efbf42 > Author: Christian Schmidt <schmidt at digadd.de> > Date: ? Mon Dec 19 20:03:33 2011 +0100 > > ? ?drm/intel: Fix initialization if startup happens in interlaced mode [v2] > > But that one neglected to fix up the ironlake+ path. > > This should fix the issue reported by Alfonso Fiore where booting with > only a HDMI cable connected to his TV failed to display anything. The > issue is that the bios set up things for 1080i and used the pannel > fitter to scale up the lower progressive resolutions. We failed to > clear the interlace bit in the PIPEACONF register, resulting in havoc. > > v2: Be more paranoid and just unconditionally clear the field before > setting new values. > > Cc: Peter Ross <pross at xvid.org> > Cc: Alfonso Fiore <alfonso.fiore at gmail.com> > Signed-Off-by: Daniel Vetter <daniel.vetter at ffwll.ch> Reviewed-by: Paulo Zanoni <paulo.r.zanoni at intel.com> I didn't experience Alfonso's problem, but tested this patch with the interlaced series. Tested-by: Paulo Zanoni <paulo.r.zanoni at intel.com> -- Paulo Zanoni
