[08/10] drm/i915: Simplify reset_counter handling during atomic modesetting

Submitted by Chris Wilson on April 9, 2016, 11:19 a.m.

Details

Message ID 1460200753-28466-9-git-send-email-chris@chris-wilson.co.uk
State New
Headers show
Series "Series without cover letter" ( rev: 1 ) in Intel GFX

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Commit Message

Chris Wilson April 9, 2016, 11:19 a.m.
Now that the reset_counter is stored on the request, we can rearrange
the code to handle reading the counter versus waiting during the atomic
modesetting for readibility (by deleting the hairiest of codes).

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---
 drivers/gpu/drm/i915/intel_display.c | 18 +++++++-----------
 1 file changed, 7 insertions(+), 11 deletions(-)

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diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 438e2f7ca836..8858f57488a6 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -13384,9 +13384,9 @@  static int intel_atomic_prepare_commit(struct drm_device *dev,
 		return ret;
 
 	ret = drm_atomic_helper_prepare_planes(dev, state);
-	if (!ret && !async && !i915_reset_in_progress_or_wedged(&dev_priv->gpu_error)) {
-		mutex_unlock(&dev->struct_mutex);
+	mutex_unlock(&dev->struct_mutex);
 
+	if (!ret && !async) {
 		for_each_plane_in_state(state, plane, plane_state, i) {
 			struct intel_plane_state *intel_plane_state =
 				to_intel_plane_state(plane_state);
@@ -13400,19 +13400,15 @@  static int intel_atomic_prepare_commit(struct drm_device *dev,
 			/* Swallow -EIO errors to allow updates during hw lockup. */
 			if (ret == -EIO)
 				ret = 0;
-
-			if (ret)
+			if (ret) {
+				mutex_lock(&dev->struct_mutex);
+				drm_atomic_helper_cleanup_planes(dev, state);
+				mutex_unlock(&dev->struct_mutex);
 				break;
+			}
 		}
-
-		if (!ret)
-			return 0;
-
-		mutex_lock(&dev->struct_mutex);
-		drm_atomic_helper_cleanup_planes(dev, state);
 	}
 
-	mutex_unlock(&dev->struct_mutex);
 	return ret;
 }