<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_RESOLVED bz_closed" title="RESOLVED NOTABUG - [Bisected BDW drm-intel-fixes] Enable PSR feature by insert kernel parameter "i915.enable_psr=1", will cause x fail to start" href="https://bugs.freedesktop.org/show_bug.cgi?id=76345#c10">Comment # 10</a> on <a class="bz_bug_link bz_status_RESOLVED bz_closed" title="RESOLVED NOTABUG - [Bisected BDW drm-intel-fixes] Enable PSR feature by insert kernel parameter "i915.enable_psr=1", will cause x fail to start" href="https://bugs.freedesktop.org/show_bug.cgi?id=76345">bug 76345</a> from <a class="email" href="mailto:wendy.wang@intel.com" title="wendy.wang@intel.com">wendy.wang@intel.com</a> <pre>Hi Rodrigo, Can you educate me why apply below patch, this issue can be fixed on my previous failed BDW SUT? > Signed-off-by: Ben Widawsky <<a href="mailto:ben@bwidawsk.net">ben@bwidawsk.net</a>> > --- > drivers/gpu/drm/i915/intel_dp.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 6f767e5..89d5b41 100644 > --- a/drivers/gpu/drm/i915/intel_dp.c > +++ b/drivers/gpu/drm/i915/intel_dp.c > @@ -1608,7 +1608,7 @@ static void intel_edp_psr_enable_source(struct intel_dp *intel_dp) > struct drm_device *dev = intel_dp_to_dev(intel_dp); > struct drm_i915_private *dev_priv = dev->dev_private; > uint32_t max_sleep_time = 0x1f; > - uint32_t idle_frames = 1; > + uint32_t idle_frames = 0xf; > uint32_t val = 0x0; > const uint32_t link_entry_time = EDP_PSR_MIN_LINK_ENTRY_TIME_8_LINES; > > -- > 1.9.1 ></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>