[Bug 64841] Linux hangs when suspending to disk

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=64841

Takashi Iwai <tiwai at suse.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |tiwai at suse.de

--- Comment #10 from Takashi Iwai <tiwai at suse.de> ---
Actually the memory corruption of S4 was seen on multiple Haswell machines, but
not on older ones, AFAIK.

Maybe a oneliner below should suffice?  (Of course, it'd be better to fix the
comment in the final patch.)

--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -818,7 +818,7 @@ void i915_gem_suspend_gtt_mappings(struct drm_device *dev)
        /* Don't bother messing with faults pre GEN6 as we have little
         * documentation supporting that it's a good idea.
         */
-       if (INTEL_INFO(dev)->gen < 6)
+       if (INTEL_INFO(dev)->gen < 7)
                return;

        i915_check_and_clear_faults(dev);

-- 
You are receiving this mail because:
You are on the CC list for the bug.
You are the assignee for the bug.