Merge branch 'drm-next-4.9' of git://people.freedesktop.org/~agd5f/linux into drm...

[linux-2.6-block.git] / drivers / gpu / drm / radeon / radeon_fb.c

diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c
index 568e036d547e1704f981bddeefa349942a2760fc..0daad446d2c754768f501604ff3bc8fe623731aa 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_fb.c
+++ b/drivers/gpu/drm/radeon/radeon_fb.c
@@ -25,6 +25,7 @@
  */
 #include <linux/module.h>
 #include <linux/slab.h>
+#include <linux/pm_runtime.h>
 
 #include <drm/drmP.h>
 #include <drm/drm_crtc.h>
@@ -46,8 +47,35 @@ struct radeon_fbdev {
        struct radeon_device *rdev;
 };
 
+static int
+radeonfb_open(struct fb_info *info, int user)
+{
+       struct radeon_fbdev *rfbdev = info->par;
+       struct radeon_device *rdev = rfbdev->rdev;
+       int ret = pm_runtime_get_sync(rdev->ddev->dev);
+       if (ret < 0 && ret != -EACCES) {
+               pm_runtime_mark_last_busy(rdev->ddev->dev);
+               pm_runtime_put_autosuspend(rdev->ddev->dev);
+               return ret;
+       }
+       return 0;
+}
+
+static int
+radeonfb_release(struct fb_info *info, int user)
+{
+       struct radeon_fbdev *rfbdev = info->par;
+       struct radeon_device *rdev = rfbdev->rdev;
+
+       pm_runtime_mark_last_busy(rdev->ddev->dev);
+       pm_runtime_put_autosuspend(rdev->ddev->dev);
+       return 0;
+}
+
 static struct fb_ops radeonfb_ops = {
        .owner = THIS_MODULE,
+       .fb_open = radeonfb_open,
+       .fb_release = radeonfb_release,
        .fb_check_var = drm_fb_helper_check_var,
        .fb_set_par = drm_fb_helper_set_par,
        .fb_fillrect = drm_fb_helper_cfb_fillrect,