5 files changed, 34 insertions, 38 deletions

diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c
index f006bc931324..b62e4f0e8130 100644
--- a/drivers/gpu/host1x/dev.c
+++ b/drivers/gpu/host1x/dev.c
@@ -404,9 +404,10 @@ static struct iommu_domain *host1x_iommu_attach(struct host1x *host)
 		if (err < 0)
 			goto put_group;
 
-		host->domain = iommu_domain_alloc(&platform_bus_type);
-		if (!host->domain) {
-			err = -ENOMEM;
+		host->domain = iommu_paging_domain_alloc(host->dev);
+		if (IS_ERR(host->domain)) {
+			err = PTR_ERR(host->domain);
+			host->domain = NULL;
 			goto put_cache;
 		}
 
diff --git a/drivers/gpu/host1x/dev.h b/drivers/gpu/host1x/dev.h
index 925a118db23f..92031b240a17 100644
--- a/drivers/gpu/host1x/dev.h
+++ b/drivers/gpu/host1x/dev.h
@@ -9,6 +9,7 @@
 #include <linux/device.h>
 #include <linux/iommu.h>
 #include <linux/iova.h>
+#include <linux/irqreturn.h>
 #include <linux/platform_device.h>
 #include <linux/reset.h>
 
@@ -81,6 +82,7 @@ struct host1x_intr_ops {
 	void (*disable_syncpt_intr)(struct host1x *host, unsigned int id);
 	void (*disable_all_syncpt_intrs)(struct host1x *host);
 	int (*free_syncpt_irq)(struct host1x *host);
+	irqreturn_t (*isr)(int irq, void *dev_id);
 };
 
 struct host1x_sid_entry {
diff --git a/drivers/gpu/host1x/hw/intr_hw.c b/drivers/gpu/host1x/hw/intr_hw.c
index 9880e0c47235..415f8d7e4202 100644
--- a/drivers/gpu/host1x/hw/intr_hw.c
+++ b/drivers/gpu/host1x/hw/intr_hw.c
@@ -6,18 +6,11 @@
  * Copyright (c) 2010-2013, NVIDIA Corporation.
  */
 
-#include <linux/interrupt.h>
-#include <linux/irq.h>
 #include <linux/io.h>
 
 #include "../intr.h"
 #include "../dev.h"
 
-struct host1x_intr_irq_data {
-	struct host1x *host;
-	u32 offset;
-};
-
 static irqreturn_t syncpt_thresh_isr(int irq, void *dev_id)
 {
 	struct host1x_intr_irq_data *irq_data = dev_id;
@@ -54,7 +47,8 @@ static void host1x_intr_disable_all_syncpt_intrs(struct host1x *host)
 	}
 }
 
-static void intr_hw_init(struct host1x *host, u32 cpm)
+static int
+host1x_intr_init_host_sync(struct host1x *host, u32 cpm)
 {
 #if HOST1X_HW < 6
 	/* disable the ip_busy_timeout. this prevents write drops */
@@ -85,32 +79,6 @@ static void intr_hw_init(struct host1x *host, u32 cpm)
 		host1x_sync_writel(host, irq_index, HOST1X_SYNC_SYNCPT_INTR_DEST(id));
 	}
 #endif
-}
-
-static int
-host1x_intr_init_host_sync(struct host1x *host, u32 cpm)
-{
-	int err, i;
-	struct host1x_intr_irq_data *irq_data;
-
-	irq_data = devm_kcalloc(host->dev, host->num_syncpt_irqs, sizeof(irq_data[0]), GFP_KERNEL);
-	if (!irq_data)
-		return -ENOMEM;
-
-	host1x_hw_intr_disable_all_syncpt_intrs(host);
-
-	for (i = 0; i < host->num_syncpt_irqs; i++) {
-		irq_data[i].host = host;
-		irq_data[i].offset = i;
-
-		err = devm_request_irq(host->dev, host->syncpt_irqs[i],
-				       syncpt_thresh_isr, IRQF_SHARED,
-				       "host1x_syncpt", &irq_data[i]);
-		if (err < 0)
-			return err;
-	}
-
-	intr_hw_init(host, cpm);
 
 	return 0;
 }
@@ -144,4 +112,5 @@ static const struct host1x_intr_ops host1x_intr_ops = {
 	.enable_syncpt_intr = host1x_intr_enable_syncpt_intr,
 	.disable_syncpt_intr = host1x_intr_disable_syncpt_intr,
 	.disable_all_syncpt_intrs = host1x_intr_disable_all_syncpt_intrs,
+	.isr = syncpt_thresh_isr,
 };
diff --git a/drivers/gpu/host1x/intr.c b/drivers/gpu/host1x/intr.c
index 995bfa980837..b3285dd10180 100644
--- a/drivers/gpu/host1x/intr.c
+++ b/drivers/gpu/host1x/intr.c
@@ -6,7 +6,7 @@
  */
 
 #include <linux/clk.h>
-
+#include <linux/interrupt.h>
 #include "dev.h"
 #include "fence.h"
 #include "intr.h"
@@ -100,7 +100,9 @@ void host1x_intr_handle_interrupt(struct host1x *host, unsigned int id)
 
 int host1x_intr_init(struct host1x *host)
 {
+	struct host1x_intr_irq_data *irq_data;
 	unsigned int id;
+	int i, err;
 
 	mutex_init(&host->intr_mutex);
 
@@ -111,6 +113,23 @@ int host1x_intr_init(struct host1x *host)
 		INIT_LIST_HEAD(&syncpt->fences.list);
 	}
 
+	irq_data = devm_kcalloc(host->dev, host->num_syncpt_irqs, sizeof(irq_data[0]), GFP_KERNEL);
+	if (!irq_data)
+		return -ENOMEM;
+
+	host1x_hw_intr_disable_all_syncpt_intrs(host);
+
+	for (i = 0; i < host->num_syncpt_irqs; i++) {
+		irq_data[i].host = host;
+		irq_data[i].offset = i;
+
+		err = devm_request_irq(host->dev, host->syncpt_irqs[i],
+				       host->intr_op->isr, IRQF_SHARED,
+				       "host1x_syncpt", &irq_data[i]);
+		if (err < 0)
+			return err;
+	}
+
 	return 0;
 }
 
diff --git a/drivers/gpu/host1x/intr.h b/drivers/gpu/host1x/intr.h
index 3b5610b525e5..11cdf13e32fe 100644
--- a/drivers/gpu/host1x/intr.h
+++ b/drivers/gpu/host1x/intr.h
@@ -11,6 +11,11 @@
 struct host1x;
 struct host1x_syncpt_fence;
 
+struct host1x_intr_irq_data {
+	struct host1x *host;
+	u32 offset;
+};
+
 /* Initialize host1x sync point interrupt */
 int host1x_intr_init(struct host1x *host);