---

yaml --- r: 282464 b: refs/heads/master c: 9242fe2 h: refs/heads/master v: v3
git-mirror · Dec 6, 2011 · f4fa2e4 · f4fa2e4
1 parent 9fd3191
commit f4fa2e4
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Showing 4 changed files with 9 additions and 7 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1f0d0b5183c8dd4d58678e8ba35553cabaf87390
+refs/heads/master: 9242fe23d2ebab9c61dbc50d65f30cfa20a856ae
diff --git a/trunk/drivers/gpu/drm/gma500/accel_2d.c b/trunk/drivers/gpu/drm/gma500/accel_2d.c
@@ -111,8 +111,9 @@ static int psbfb_2d_submit(struct drm_psb_private *dev_priv, uint32_t *cmdbuf,
 	int ret = 0;
 	int i;
 	unsigned submit_size;
+	unsigned long flags;
 
-	mutex_lock(&dev_priv->mutex_2d);
+	spin_lock_irqsave(&dev_priv->lock_2d, flags);
 	while (size > 0) {
 		submit_size = (size < 0x60) ? size : 0x60;
 		size -= submit_size;
@@ -127,7 +128,7 @@ static int psbfb_2d_submit(struct drm_psb_private *dev_priv, uint32_t *cmdbuf,
 
 		(void)PSB_RSGX32(PSB_SGX_2D_SLAVE_PORT + i - 4);
 	}
-	mutex_unlock(&dev_priv->mutex_2d);
+	spin_unlock_irqrestore(&dev_priv->lock_2d, flags);
 	return ret;
 }
 
@@ -327,8 +328,9 @@ int psbfb_sync(struct fb_info *info)
 	struct drm_psb_private *dev_priv = dev->dev_private;
 	unsigned long _end = jiffies + DRM_HZ;
 	int busy = 0;
+	unsigned long flags;
 
-	mutex_lock(&dev_priv->mutex_2d);
+	spin_lock_irqsave(&dev_priv->lock_2d, flags);
 	/*
 	 * First idle the 2D engine.
 	 */
@@ -357,6 +359,6 @@ int psbfb_sync(struct fb_info *info)
 					_PSB_C2B_STATUS_BUSY) != 0);
 
 out:
-	mutex_unlock(&dev_priv->mutex_2d);
+	spin_unlock_irqrestore(&dev_priv->lock_2d, flags);
 	return (busy) ? -EBUSY : 0;
 }
diff --git a/trunk/drivers/gpu/drm/gma500/psb_drv.c b/trunk/drivers/gpu/drm/gma500/psb_drv.c
@@ -186,7 +186,7 @@ static int psb_do_init(struct drm_device *dev)
 
 
 	spin_lock_init(&dev_priv->irqmask_lock);
-	mutex_init(&dev_priv->mutex_2d);
+	spin_lock_init(&dev_priv->lock_2d);
 
 	PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK0);
 	PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK1);

diff --git a/trunk/drivers/gpu/drm/gma500/psb_drv.h b/trunk/drivers/gpu/drm/gma500/psb_drv.h
@@ -606,7 +606,7 @@ struct drm_psb_private {
 	void *fbdev;
 
 	/* 2D acceleration */
-	struct mutex mutex_2d;
+	spinlock_t lock_2d;
 };