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drm/i915: Undo "Uncouple render/power ctx before suspending"

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Manaul revert of 0cdab21f9a, just to
remove the call to disable the clock gatings and powerctx before
suspend.

Peter Clifton bisected a suspend failure on his gme45 and found this to
be the culprit. As this was intended to be a fix for a similar suspend
failure for Ironlake (it didn't work), undoing this patch should have no
other side-effects.

Reported-and-tested-by: Peter Clifton <pcjc2@cam.ac.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2010-12-20 09:45:15 +00:00
parent 72bfa19c8d
commit 5909a77ac6
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/i915/i915_suspend.c
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@ -822,7 +822,9 @@ int i915_save_state(struct drm_device *dev)
if (IS_GEN6(dev))
gen6_disable_rps(dev);
/* XXX disabling the clock gating breaks suspend on gm45
intel_disable_clock_gating(dev);
*/
/* Cache mode state */
dev_priv->saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0);