[Bug 57434] [i915GM regression] black screen after blank when LID is closed on Linux >= 3.1

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=57434

--- Comment #12 from Krzysztof Mazur <krzysiek at podlesie.net> ---
Created attachment 71791
  --> https://bugs.freedesktop.org/attachment.cgi?id=71791&action=edit
Patch for i915 that fixes the issue

This patch on top of drm-intel-next-2012-12-08-20-g4d7bb01
merged with v3.7 and that small workaround for ACPI video problems:

@@ -1428,7 +1457,7 @@ static int acpi_video_bus_put_devices(struct
acpi_video_bus *video)

 static int acpi_video_bus_start_devices(struct acpi_video_bus *video)
 {
-       return acpi_video_bus_DOS(video, 0, 0);
+       return acpi_video_bus_DOS(video, 3, 1);
 }

 static int acpi_video_bus_stop_devices(struct acpi_video_bus *video)

fixes the issue.

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