From: Clint Taylor <clinton.a.taylor@xxxxxxxxx>
The .disable_display parameter was causing a fatal crash when fbdev
was dereferenced during driver init.
V1: protection in i915_drv.c
V2: Moved protection to intel_fbdev.c
Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Clint Taylor <clinton.a.taylor@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_fbdev.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c
index bdefa61..bb0e9bf 100644
--- a/drivers/gpu/drm/i915/intel_fbdev.c
+++ b/drivers/gpu/drm/i915/intel_fbdev.c
@@ -742,6 +742,9 @@ void intel_fbdev_initial_config_async(struct drm_device *dev)
{
struct intel_fbdev *ifbdev = to_i915(dev)->fbdev;
+ if (!ifbdev)
+ return;
+
ifbdev->cookie = async_schedule(intel_fbdev_initial_config, ifbdev);
}
--
1.7.9.5
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