<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - [eDP regression] blank screen on boot" href="https://bugs.freedesktop.org/show_bug.cgi?id=74628#c13">Comment # 13</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - [eDP regression] blank screen on boot" href="https://bugs.freedesktop.org/show_bug.cgi?id=74628">bug 74628</a> from <a class="email" href="mailto:patrik.r.jakobsson@gmail.com" title="Patrik Jakobsson <patrik.r.jakobsson@gmail.com>"> Patrik Jakobsson</a> <pre>Moving the conversation back here (my bad)... Chris Wilson wrote: I'd feel more comfortable with; diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 46d065b..876184f 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1872,9 +1872,11 @@ static void intel_disable_dp(struct intel_encoder *encoder) /* Make sure the panel is off before trying to change the mode. But also * ensure that we have vdd while we switch off the panel. */ + edp_panel_vdd_on(intel_dp); intel_edp_backlight_off(intel_dp); intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF); intel_edp_panel_off(intel_dp); + edp_panel_vdd_off(intel_dp, true); /* cpu edp my only be disable _after_ the cpu pipe/plane is disabled. */ if (!(port == PORT_A || IS_VALLEYVIEW(dev))) Or that vdd_off may have to be post-disable.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> </ul> </body> </html>