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drm/i915: restore gtt on resume in the drm instead of in intel-gtt.ko

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This still uses the agp functions to actually reinstate the mappings
(with a gross hack to make agp cooperate), but it wires everything
up correctly for the switchover.

The call to agp_rebind_memory can be dropped because all non-kms drivers
do all their rebinding on EnterVT.

v2: Be more paranoid and flush the chipset cache after restoring gtt
mappings.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Daniel Vetter
2010-11-05 22:23:30 +01:00
committed by Chris Wilson
parent 93a37f20ea
commit 76aaf22016
5 changed files with 54 additions and 5 deletions
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drivers/gpu/drm/i915/i915_drv.c
+1
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@@ -310,6 +310,7 @@ static int i915_drm_thaw(struct drm_device *dev)
/* KMS EnterVT equivalent */
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
mutex_lock(&dev->struct_mutex);
i915_gem_restore_gtt_mappings(dev);
dev_priv->mm.suspended = 0;
error = i915_gem_init_ringbuffer(dev);