<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - [ivb cpu edp] clock recovery fails with too many full/voltage retries, channel equalization succeeds" href="https://bugs.freedesktop.org/show_bug.cgi?id=70117#c3">Comment # 3</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - [ivb cpu edp] clock recovery fails with too many full/voltage retries, channel equalization succeeds" href="https://bugs.freedesktop.org/show_bug.cgi?id=70117">bug 70117</a> from <a class="email" href="mailto:jbarnes@virtuousgeek.org" title="Jesse Barnes <jbarnes@virtuousgeek.org>"> Jesse Barnes</a> <pre>Can you try this patch? diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 97dfa05..876b98d 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1223,7 +1223,7 @@ void ironlake_edp_panel_off(struct intel_dp *intel_dp) pp = ironlake_get_pp_control(intel_dp); /* We need to switch off panel power _and_ force vdd, for otherwise some * panels get very unhappy and cease to work. */ - pp &= ~(POWER_TARGET_ON | EDP_FORCE_VDD | PANEL_POWER_RESET | EDP_BLC_EN + pp &= ~(POWER_TARGET_ON | PANEL_POWER_RESET | EDP_BLC_ENABLE); pp_ctrl_reg = _pp_ctrl_reg(intel_dp);</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> <li>You are the assignee for the bug.</li> </ul> </body> </html>