---

yaml --- r: 228524 b: refs/heads/master c: 9acc810 h: refs/heads/master v: v3
git-mirror · Dec 3, 2010 · 25afeb4 · 25afeb4
1 parent 48ae2aa
commit 25afeb4
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Showing 2 changed files with 10 additions and 8 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6032649df9f456f379be8d51f64488cacbfa8317
+refs/heads/master: 9acc8100cb14b91d446a482fdd0cf7e3ccbcf930
diff --git a/trunk/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/trunk/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -61,8 +61,8 @@ nouveau_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
 		return;
 
 	ret = -ENODEV;
-	if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED)) {
-		mutex_lock(&dev_priv->channel->mutex);
+	if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) &&
+	    mutex_trylock(&dev_priv->channel->mutex)) {
 		if (dev_priv->card_type < NV_50)
 			ret = nv04_fbcon_fillrect(info, rect);
 		else
@@ -91,8 +91,8 @@ nouveau_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *image)
 		return;
 
 	ret = -ENODEV;
-	if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED)) {
-		mutex_lock(&dev_priv->channel->mutex);
+	if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) &&
+	    mutex_trylock(&dev_priv->channel->mutex)) {
 		if (dev_priv->card_type < NV_50)
 			ret = nv04_fbcon_copyarea(info, image);
 		else
@@ -121,8 +121,8 @@ nouveau_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
 		return;
 
 	ret = -ENODEV;
-	if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED)) {
-		mutex_lock(&dev_priv->channel->mutex);
+	if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) &&
+	    mutex_trylock(&dev_priv->channel->mutex)) {
 		if (dev_priv->card_type < NV_50)
 			ret = nv04_fbcon_imageblit(info, image);
 		else
@@ -153,7 +153,9 @@ nouveau_fbcon_sync(struct fb_info *info)
 	    info->flags & FBINFO_HWACCEL_DISABLED)
 		return 0;
 
-	mutex_lock(&chan->mutex);
+	if (!mutex_trylock(&chan->mutex))
+		return 0;
+
 	ret = RING_SPACE(chan, 4);
 	if (ret) {
 		mutex_unlock(&chan->mutex);