<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [CI][RESUME] Igt@* dmesg-fail/dmesg-warn/incomplete - WARN_ON(!power_well->desc->hsw.is_tc_tbt)" href="https://bugs.freedesktop.org/show_bug.cgi?id=111996#c10">Comment # 10</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [CI][RESUME] Igt@* dmesg-fail/dmesg-warn/incomplete - WARN_ON(!power_well->desc->hsw.is_tc_tbt)" href="https://bugs.freedesktop.org/show_bug.cgi?id=111996">bug 111996</a> from <a class="email" href="mailto:swati2.sharma@intel.com" title="Swati Sharma <swati2.sharma@intel.com>"> Swati Sharma</a> <pre>(In reply to Ville Syrjala from <a href="show_bug.cgi?id=111996#c6">comment #6</a>) > Someone should test this: > --- a/drivers/gpu/drm/i915/display/intel_display_power.c > +++ b/drivers/gpu/drm/i915/display/intel_display_power.c > @@ -423,10 +423,8 @@ icl_combo_phy_aux_power_well_enable(struct > drm_i915_private *dev_priv, > val = I915_READ(regs->driver); > I915_WRITE(regs->driver, val | HSW_PWR_WELL_CTL_REQ(pw_idx)); > > - if (INTEL_GEN(dev_priv) < 12) { > val = I915_READ(ICL_PORT_CL_DW12(phy)); > I915_WRITE(ICL_PORT_CL_DW12(phy), val | ICL_LANE_ENABLE_AUX); > - } > > hsw_wait_for_power_well_enable(dev_priv, power_well); > > Another observation I made was that the 1178 anaovrd w/a is no longer listed > for tgl, so should be nuked. Although it shouldn't matter for this > particular bug. Hi Ville, I tested with above change. Attaching @dmesg_logs and @display_info In dmesg we can see that [ 1.902424] [drm:drm_calc_timestamping_constants] *ERROR* crtc 91: Can't calculate constants, dotclock = 0! Kernel booted but display didn't come up.</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>