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Commit 500f7147 authored by Chris Wilson's avatar Chris Wilson
Browse files

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: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
parent eb033556

drivers/gpu/drm/i915/i915_drv.c

+2 −0
Original line number Diff line number Diff line
@@ -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);

	}