drm/i915: move wedged to the other gpu error handling stuff

And to make Ben Widawsky happier, use the gpu_error instead of
the entire device as the argument in some functions.

Drop the outdated comment on ->wedged for now, a follow-up patch will
change the semantics and add a proper comment again.

Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index dfe0e74..62da6c7 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -744,15 +744,6 @@
 	 */
 	int suspended;
 
-	/**
-	 * Flag if the hardware appears to be wedged.
-	 *
-	 * This is set when attempts to idle the device timeout.
-	 * It prevents command submission from occurring and makes
-	 * every pending request fail
-	 */
-	atomic_t wedged;
-
 	/** Bit 6 swizzling required for X tiling */
 	uint32_t bit_6_swizzle_x;
 	/** Bit 6 swizzling required for Y tiling */
@@ -784,6 +775,8 @@
 
 	unsigned long last_reset;
 
+	atomic_t wedged;
+
 	/* For gpu hang simulation. */
 	unsigned int stop_rings;
 };
@@ -1548,7 +1541,7 @@
 
 void i915_gem_retire_requests(struct drm_device *dev);
 void i915_gem_retire_requests_ring(struct intel_ring_buffer *ring);
-int __must_check i915_gem_check_wedge(struct drm_i915_private *dev_priv,
+int __must_check i915_gem_check_wedge(struct i915_gpu_error *error,
 				      bool interruptible);
 
 void i915_gem_reset(struct drm_device *dev);