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authorChris Wilson2010-09-08 10:45:11 +0200
committerChris Wilson2010-09-21 12:57:15 +0200
commit6eecba33f2fc24544073631dc1b23b7a312e644b (patch)
tree14ba098f63f662f6a1cf7f4f13139c211590492e /drivers/gpu/drm/i915/i915_drv.c
parentintel-gtt add a cleanup function for chipset specific stuff (diff)
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drm/i915: Disable output polling across suspend & resume
Suspending (especially hibernating) may take a finite amount of time, during which a hotplug event may trigger and we will attempt to handle it with inconsistent state. Disable hotplug polling around suspend and resume. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=30070 Reported-by: Rui Tiago Matos <tiagomatos@gmail.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.c')
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 2c87f9b97b6f..4e83bb36888e 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -281,6 +281,8 @@ int i915_suspend(struct drm_device *dev, pm_message_t state)
if (state.event == PM_EVENT_PRETHAW)
return 0;
+ drm_kms_helper_poll_disable(dev);
+
error = i915_drm_freeze(dev);
if (error)
return error;
@@ -325,12 +327,19 @@ static int i915_drm_thaw(struct drm_device *dev)
int i915_resume(struct drm_device *dev)
{
+ int ret;
+
if (pci_enable_device(dev->pdev))
return -EIO;
pci_set_master(dev->pdev);
- return i915_drm_thaw(dev);
+ ret = i915_drm_thaw(dev);
+ if (ret)
+ return ret;
+
+ drm_kms_helper_poll_enable(dev);
+ return 0;
}
static int i965_reset_complete(struct drm_device *dev)