On Thu, Dec 19, 2013 at 04:07:35PM +0100, Thomas Richter wrote:
> Hi Daniel, hi folks,
>
> here is more debug output from the blank screen/hang on the i830
> based laptop:
Quick shot in the dark: Can you please try the below diff?
If that doesn't work please remove the locking in that function completely
(i.e. remove the calls to drm_modset_lock|unlock_all).
Thanks, Daniel
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index 4d1357a32c41..66e62473f84d 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -11260,8 +11260,9 @@ void intel_modeset_gem_init(struct drm_device *dev)
intel_setup_overlay(dev);
- drm_modeset_lock_all(dev);
drm_mode_config_reset(dev);
+
+ drm_modeset_lock_all(dev);
intel_modeset_setup_hw_state(dev, false);
drm_modeset_unlock_all(dev);
}
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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