1 files changed, 21 insertions, 13 deletions

diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index 0889d50c3288..1820c4a24434 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -815,8 +815,10 @@ static int overlayfb_map_video_memory(struct pxafb_layer *ofb)
         ofb->video_mem_phys = virt_to_phys(ofb->video_mem);
         ofb->video_mem_size = size;
 
+        mutex_lock(&ofb->fb.mm_lock);
         ofb->fb.fix.smem_start  = ofb->video_mem_phys;
         ofb->fb.fix.smem_len    = ofb->fb.fix.line_length * var->yres_virtual;
+        mutex_unlock(&ofb->fb.mm_lock);
         ofb->fb.screen_base     = ofb->video_mem;
         return 0;
 }
@@ -1636,24 +1638,26 @@ pxafb_freq_policy(struct notifier_block *nb, unsigned long val, void *data)
  * Power management hooks.  Note that we won't be called from IRQ context,
  * unlike the blank functions above, so we may sleep.
  */
-static int pxafb_suspend(struct platform_device *dev, pm_message_t state)
+static int pxafb_suspend(struct device *dev)
 {
-        struct pxafb_info *fbi = platform_get_drvdata(dev);
+        struct pxafb_info *fbi = dev_get_drvdata(dev);
 
         set_ctrlr_state(fbi, C_DISABLE_PM);
         return 0;
 }
 
-static int pxafb_resume(struct platform_device *dev)
+static int pxafb_resume(struct device *dev)
 {
-        struct pxafb_info *fbi = platform_get_drvdata(dev);
+        struct pxafb_info *fbi = dev_get_drvdata(dev);
 
         set_ctrlr_state(fbi, C_ENABLE_PM);
         return 0;
 }
-#else
-#define pxafb_suspend   NULL
-#define pxafb_resume    NULL
+
+static struct dev_pm_ops pxafb_pm_ops = {
+        .suspend        = pxafb_suspend,
+        .resume         = pxafb_resume,
+};
 #endif
 
 static int __devinit pxafb_init_video_memory(struct pxafb_info *fbi)
@@ -2079,6 +2083,9 @@ static int __devinit pxafb_probe(struct platform_device *dev)
                 goto failed;
         }
 
+        if (cpu_is_pxa3xx() && inf->acceleration_enabled)
+                fbi->fb.fix.accel = FB_ACCEL_PXA3XX;
+
         fbi->backlight_power = inf->pxafb_backlight_power;
         fbi->lcd_power = inf->pxafb_lcd_power;
 
@@ -2089,14 +2096,14 @@ static int __devinit pxafb_probe(struct platform_device *dev)
                 goto failed_fbi;
         }
 
-        r = request_mem_region(r->start, r->end - r->start + 1, dev->name);
+        r = request_mem_region(r->start, resource_size(r), dev->name);
         if (r == NULL) {
                 dev_err(&dev->dev, "failed to request I/O memory\n");
                 ret = -EBUSY;
                 goto failed_fbi;
         }
 
-        fbi->mmio_base = ioremap(r->start, r->end - r->start + 1);
+        fbi->mmio_base = ioremap(r->start, resource_size(r));
         if (fbi->mmio_base == NULL) {
                 dev_err(&dev->dev, "failed to map I/O memory\n");
                 ret = -EBUSY;
@@ -2195,7 +2202,7 @@ failed_free_dma:
 failed_free_io:
         iounmap(fbi->mmio_base);
 failed_free_res:
-        release_mem_region(r->start, r->end - r->start + 1);
+        release_mem_region(r->start, resource_size(r));
 failed_fbi:
         clk_put(fbi->clk);
         platform_set_drvdata(dev, NULL);
@@ -2235,7 +2242,7 @@ static int __devexit pxafb_remove(struct platform_device *dev)
         iounmap(fbi->mmio_base);
 
         r = platform_get_resource(dev, IORESOURCE_MEM, 0);
-        release_mem_region(r->start, r->end - r->start + 1);
+        release_mem_region(r->start, resource_size(r));
 
         clk_put(fbi->clk);
         kfree(fbi);
@@ -2246,11 +2253,12 @@ static int __devexit pxafb_remove(struct platform_device *dev)
 static struct platform_driver pxafb_driver = {
         .probe          = pxafb_probe,
         .remove         = __devexit_p(pxafb_remove),
-        .suspend        = pxafb_suspend,
-        .resume         = pxafb_resume,
         .driver         = {
                 .owner  = THIS_MODULE,
                 .name   = "pxa2xx-fb",
+#ifdef CONFIG_PM
+                .pm     = &pxafb_pm_ops,
+#endif
         },
 };