diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_fb.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c index 0e3143acb565..6b2537d913e8 100644 --- a/drivers/gpu/drm/radeon/radeon_fb.c +++ b/drivers/gpu/drm/radeon/radeon_fb.c @@ -26,6 +26,7 @@ #include <linux/module.h> #include <linux/slab.h> #include <linux/fb.h> +#include <linux/pm_runtime.h> #include <drm/drmP.h> #include <drm/drm_crtc.h> @@ -47,8 +48,35 @@ 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, |