On Tue, Mar 12, 2013 at 04:32:28PM +0100, Takashi Iwai wrote: > The eDP output on HP Z1 is still broken when X is started even after > fixing the infinite link-train loop. The regression was introduced in > 3.6 kernel for cleaning up the mode clock handling code in intel_dp.c. > > In the past, the clock of the reference mode was modified in > intel_dp_mode_fixup() in the case of eDP fixed clock, and this clock was > used for calculating in intel_dp_set_m_n(). This override was removed, > thus the wrong mode clock is used for the calculation, resulting in a > psychedelic smoking output in the end. > > This patch corrects the clock to be used in the place. > > Cc: <stable at vger.kernel.org> > Signed-off-by: Takashi Iwai <tiwai at suse.de> I truly hate this mess of dotclock vs portclock vs. whatever. Can you pls apply a little bikeshed and use the existing intel_edp_target_clock like in ironlake_set_m_n? And if you have the regressing commit a little citation to assign the blame (it's probably me) would be good. Thanks, Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch
