<html>
<head>
<base href="https://bugs.freedesktop.org/" />
</head>
<body>
<p>
<div>
<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [BDW Bisected] eDP monitor can't be lighted up after S3"
href="https://bugs.freedesktop.org/show_bug.cgi?id=81826#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [BDW Bisected] eDP monitor can't be lighted up after S3"
href="https://bugs.freedesktop.org/show_bug.cgi?id=81826">bug 81826</a>
from <span class="vcard"><a class="email" href="mailto:lei.a.liu@intel.com" title="liulei <lei.a.liu@intel.com>"> <span class="fn">liulei</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=81826#c2">comment #2</a>)
<span class="quote">> Created <span class=""><a href="attachment.cgi?id=104324" name="attach_104324" title="upda psr on resume">attachment 104324</a> <a href="attachment.cgi?id=104324&action=edit" title="upda psr on resume">[details]</a></span> <a href='page.cgi?id=splinter.html&bug=81826&attachment=104324'>[review]</a> [review]
> upda psr on resume
>
> Could you please check if the attached patch fix the issue.
> </span >
I can't patch your attachment. It will be such wonderful if you can rebase your
patch on latest -next-queued. This piece patch failed:
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3972,6 +3972,11 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc)
I915_WRITE(DSPCNTR(plane), DISPPLANE_GAMMA_ENABLE);
POSTING_READ(DSPCNTR(plane));
+ /* Forcing a full psr init sequence when enabling crtc to make sure all
+ * registers are properly set. Some might not be persistent after
+ * suspend/resume cycle. */
+ dev_priv->psr.setup_done = false;
+
dev_priv->display.update_primary_plane(crtc, crtc->primary->fb,
crtc->x, crtc->y);
I can't find its context.</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<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>