<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - [845g regression] No output on LVDS" href="https://bugs.freedesktop.org/show_bug.cgi?id=66516#c14">Comment # 14</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - [845g regression] No output on LVDS" href="https://bugs.freedesktop.org/show_bug.cgi?id=66516">bug 66516</a> from <a class="email" href="mailto:daniel@ffwll.ch" title="Daniel Vetter <daniel@ffwll.ch>"> Daniel Vetter</a> <pre>On Sat, Jul 6, 2013 at 7:24 PM, <<a href="mailto:bugzilla-daemon@freedesktop.org">bugzilla-daemon@freedesktop.org</a>> wrote: > <a class="bz_bug_link bz_status_NEW " title="NEW --- - [845g regression] No output on LVDS" href="show_bug.cgi?id=66516">https://bugs.freedesktop.org/show_bug.cgi?id=66516</a> > > --- <a href="show_bug.cgi?id=66516#c13">Comment #13</a> from Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>> --- > Remaining hack required to lit up the LVDS: > > diff --git a/drivers/gpu/drm/i915/intel_display.c > b/drivers/gpu/drm/i915/intel_d > index 2fedc3e..bab3a52 100644 > --- a/drivers/gpu/drm/i915/intel_display.c > +++ b/drivers/gpu/drm/i915/intel_display.c > @@ -10212,6 +10212,11 @@ static void intel_sanitize_crtc(struct intel_crtc > *crtc > encoder->base.crtc = NULL; > } > } > + > + if (!crtc->active) { > + crtc->active = true; > + intel_crtc_disable(crtc); > + } > } > > static void intel_sanitize_encoder(struct intel_encoder *encoder) Hm, since the pipe A quirk in effect this just means that we leave pll and pipe running, but kill everything else. Which probably means we've broken a subtile ordering constraint somewhere recently ... no idea what yet. -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - <a href="http://blog.ffwll.ch">http://blog.ffwll.ch</a></pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>