[PATCH 04/16] Revert "drm/i915: cleanup: drm_modeset_lock_all() --> DRM_MODESET_LOCK_ALL_BEGIN() part 2"

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From: Sean Paul <seanpaul@xxxxxxxxxxxx>

This reverts commit 984c9949f1c4cf36c35aa2de5ee2b65c39379fd9.

This patchset breaks on intel platforms and was previously NACK'd by
Ville.

Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Cc: Fernando Ramos <greenfoo@xxxxxx>
Signed-off-by: Sean Paul <seanpaul@xxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_overlay.c | 40 ++++++++++----------
 1 file changed, 21 insertions(+), 19 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_overlay.c b/drivers/gpu/drm/i915/display/intel_overlay.c
index c623738c59c8..c0ee135e5499 100644
--- a/drivers/gpu/drm/i915/display/intel_overlay.c
+++ b/drivers/gpu/drm/i915/display/intel_overlay.c
@@ -1105,7 +1105,6 @@ int intel_overlay_put_image_ioctl(struct drm_device *dev, void *data,
 	struct drm_crtc *drmmode_crtc;
 	struct intel_crtc *crtc;
 	struct drm_i915_gem_object *new_bo;
-	struct drm_modeset_acquire_ctx ctx;
 	int ret;
 
 	overlay = dev_priv->overlay;
@@ -1114,24 +1113,24 @@ int intel_overlay_put_image_ioctl(struct drm_device *dev, void *data,
 		return -ENODEV;
 	}
 
-	if (params->flags & I915_OVERLAY_ENABLE) {
-
-		drmmode_crtc = drm_crtc_find(dev, file_priv, params->crtc_id);
-		if (!drmmode_crtc)
-			return -ENOENT;
-		crtc = to_intel_crtc(drmmode_crtc);
+	if (!(params->flags & I915_OVERLAY_ENABLE)) {
+		drm_modeset_lock_all(dev);
+		ret = intel_overlay_switch_off(overlay);
+		drm_modeset_unlock_all(dev);
 
-		new_bo = i915_gem_object_lookup(file_priv, params->bo_handle);
-		if (!new_bo)
-			return -ENOENT;
+		return ret;
 	}
 
-	DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
+	drmmode_crtc = drm_crtc_find(dev, file_priv, params->crtc_id);
+	if (!drmmode_crtc)
+		return -ENOENT;
+	crtc = to_intel_crtc(drmmode_crtc);
 
-	if (!(params->flags & I915_OVERLAY_ENABLE)) {
-		ret = intel_overlay_switch_off(overlay);
-		goto out_unlock;
-	}
+	new_bo = i915_gem_object_lookup(file_priv, params->bo_handle);
+	if (!new_bo)
+		return -ENOENT;
+
+	drm_modeset_lock_all(dev);
 
 	if (i915_gem_object_is_tiled(new_bo)) {
 		drm_dbg_kms(&dev_priv->drm,
@@ -1196,11 +1195,14 @@ int intel_overlay_put_image_ioctl(struct drm_device *dev, void *data,
 	if (ret != 0)
 		goto out_unlock;
 
-out_unlock:
-	DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
+	drm_modeset_unlock_all(dev);
+	i915_gem_object_put(new_bo);
+
+	return 0;
 
-	if (params->flags & I915_OVERLAY_ENABLE)
-		i915_gem_object_put(new_bo);
+out_unlock:
+	drm_modeset_unlock_all(dev);
+	i915_gem_object_put(new_bo);
 
 	return ret;
 }
-- 
Sean Paul, Software Engineer, Google / Chromium OS




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