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authorChris Wilson <chris@chris-wilson.co.uk>2011-01-24 15:14:41 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2011-01-25 19:23:28 +0000
commit500f7147cf5bafd139056d521536b10c2bc2e154 (patch)
treeee18c9c05fa929d716bbd1c06d84549e197a9a36 /drivers/gpu/drm
parenteb03355660b44cf6b1ed2f895085b9de8f74efbc (diff)
drm/i915: Reset state after a GPU reset or resume
Call drm_mode_config_reset() after an invalidation event to restore any cached state to unknown. Tested-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 66796bb82d3..e517447b088 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -354,6 +354,7 @@ static int i915_drm_thaw(struct drm_device *dev)
error = i915_gem_init_ringbuffer(dev);
mutex_unlock(&dev->struct_mutex);
+ drm_mode_config_reset(dev);
drm_irq_install(dev);
/* Resume the modeset for every activated CRTC */
@@ -542,6 +543,7 @@ int i915_reset(struct drm_device *dev, u8 flags)
mutex_unlock(&dev->struct_mutex);
drm_irq_uninstall(dev);
+ drm_mode_config_reset(dev);
drm_irq_install(dev);
mutex_lock(&dev->struct_mutex);
}