diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c index bf033b58056c..107fbb2d2847 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_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> @@ -47,8 +48,35 @@ struct amdgpu_fbdev { struct amdgpu_device *adev; }; +static int +amdgpufb_open(struct fb_info *info, int user) +{ + struct amdgpu_fbdev *rfbdev = info->par; + struct amdgpu_device *adev = rfbdev->adev; + int ret = pm_runtime_get_sync(adev->ddev->dev); + if (ret < 0 && ret != -EACCES) { + pm_runtime_mark_last_busy(adev->ddev->dev); + pm_runtime_put_autosuspend(adev->ddev->dev); + return ret; + } + return 0; +} + +static int +amdgpufb_release(struct fb_info *info, int user) +{ + struct amdgpu_fbdev *rfbdev = info->par; + struct amdgpu_device *adev = rfbdev->adev; + + pm_runtime_mark_last_busy(adev->ddev->dev); + pm_runtime_put_autosuspend(adev->ddev->dev); + return 0; +} + static struct fb_ops amdgpufb_ops = { .owner = THIS_MODULE, + .fb_open = amdgpufb_open, + .fb_release = amdgpufb_release, .fb_check_var = drm_fb_helper_check_var, .fb_set_par = drm_fb_helper_set_par, .fb_fillrect = drm_fb_helper_cfb_fillrect, |
