diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c index 919146780a15a91434f7383e666eedabdf402ca0..3c527cc72bf0aa2aac96caaad8bb9d0298fedb29 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c @@ -26,6 +26,7 @@ #include #include #include +#include #include #include @@ -48,8 +49,35 @@ 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,