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<body><span class="vcard"><a class="email" href="mailto:jani.nikula@intel.com" title="Jani Nikula <jani.nikula@intel.com>"> <span class="fn">Jani Nikula</span></a>
</span> changed
<a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [IVB] [drm:intel_pipe_set_base] *ERROR* pipe is still busy with an old pageflip (kernel 3.16.0)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=82612">bug 82612</a>
<br>
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<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
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<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>NEEDINFO
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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [IVB] [drm:intel_pipe_set_base] *ERROR* pipe is still busy with an old pageflip (kernel 3.16.0)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=82612#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [IVB] [drm:intel_pipe_set_base] *ERROR* pipe is still busy with an old pageflip (kernel 3.16.0)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=82612">bug 82612</a>
from <span class="vcard"><a class="email" href="mailto:jani.nikula@intel.com" title="Jani Nikula <jani.nikula@intel.com>"> <span class="fn">Jani Nikula</span></a>
</span></b>
<pre>Does this patch from Chris help?
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index d8324c69fa86..84dfdfe79896 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3351,18 +3351,17 @@ void intel_crtc_wait_for_pending_flips(struct drm_crtc
*crtc)
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- if (crtc->primary->fb == NULL)
- return;
-
WARN_ON(waitqueue_active(&dev_priv->pending_flip_queue));
WARN_ON(wait_event_timeout(dev_priv->pending_flip_queue,
!intel_crtc_has_pending_flip(crtc),
60*HZ) == 0);
- mutex_lock(&dev->struct_mutex);
- intel_finish_fb(crtc->primary->fb);
- mutex_unlock(&dev->struct_mutex);
+ if (crtc->primary->fb) {
+ mutex_lock(&dev->struct_mutex);
+ intel_finish_fb(crtc->primary->fb);
+ mutex_unlock(&dev->struct_mutex);
+ }
}
/* Program iCLKIP clock to the desired frequency */
<a href="http://mid.gmane.org/1408536814-12974-1-git-send-email-chris@chris-wilson.co.uk">http://mid.gmane.org/1408536814-12974-1-git-send-email-chris@chris-wilson.co.uk</a></pre>
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