Created attachment 78122 [details] error message when screen is black SharkBay(Desktop): BIOS:HSWLPTU1.86C.0092.R02.1209220303 Kernel: drm-next-queue commit e7f8dc57552838fe715201d4493ccec9b0c8bc4b Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Thu Apr 11 20:22:50 2013 +0200 drm/i915: don't check inconsistent modeset state when force-restoring OS: Ubuntu Raring Ringtail (development branch) SharkBay(Mobile): BIOS:HSWLPTU1.86C.0097.R00.1210222040 Kernel: drm-next-queue commit e7f8dc57552838fe715201d4493ccec9b0c8bc4b Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Thu Apr 11 20:22:50 2013 +0200 drm/i915: don't check inconsistent modeset state when force-restoring OS: Ubuntu Raring Ringtail (development branch) Details: Connecting a VGA screen on above platforms, change screen's resolution rate continually between 1024X768 and 800X600, sometimes screen will become black at the rate of 20%, then there is error message in dmesg.
Created attachment 78134 [details] [review] Propagate errors back from FDI link training Not an outright fix, but it should prevent us losing the pipe (by reverting the modeset).
FDI link train fail ... one for Paulo I think!
Hi Does this patch help? http://lists.freedesktop.org/archives/intel-gfx/2013-April/026878.html Thanks, Paulo
Created attachment 78161 [details] error message with Chris patch After adding Chris patch, the screen still is black sometimes. The error message is in attachment.
This patch doesn't help the black screen. thanks (In reply to comment #3) > Hi Does this patch help? > http://lists.freedesktop.org/archives/intel-gfx/2013-April/026878.html > Thanks, Paulo
The patch worked as intended. Seems like the mode recovery is missing. Daniel! :-p
Presuming fixed on latest kernel versions, please reopen if this is still broken. Thanks.
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