[Bug 101534] [HSW] NULL pointer dereference in intel_fbdev_invalidate

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101534

--- Comment #4 from Chris Wilson <chris at chris-wilson.co.uk> ---
diff --git a/drivers/gpu/drm/i915/intel_fbdev.c
b/drivers/gpu/drm/i915/intel_fbdev.c
index 03347c6ae599..7ffbd17fa692 100644
--- a/drivers/gpu/drm/i915/intel_fbdev.c
+++ b/drivers/gpu/drm/i915/intel_fbdev.c
@@ -765,7 +765,7 @@ void intel_fbdev_set_suspend(struct drm_device *dev, int
state, bool synchronous
        struct intel_fbdev *ifbdev = dev_priv->fbdev;
        struct fb_info *info;

-       if (!ifbdev || !ifbdev->fb)
+       if (!ifbdev || !ifbdev->vma)
                return;

        info = ifbdev->helper.fbdev;
@@ -812,7 +812,7 @@ void intel_fbdev_output_poll_changed(struct drm_device
*dev)
 {
        struct intel_fbdev *ifbdev = to_i915(dev)->fbdev;

-       if (ifbdev && ifbdev->fb)
+       if (ifbdev && ifbdev->vma)
                drm_fb_helper_hotplug_event(&ifbdev->helper);
 }

@@ -824,7 +824,7 @@ void intel_fbdev_restore_mode(struct drm_device *dev)
                return;

        intel_fbdev_sync(ifbdev);
-       if (!ifbdev->fb)
+       if (!ifbdev->vma)
                return;

        if (drm_fb_helper_restore_fbdev_mode_unlocked(&ifbdev->helper) == 0)

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