diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_fbdev.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_fbdev.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_fbdev.c b/drivers/gpu/drm/msm/msm_fbdev.c index fa9c1cbffae3..b933a85420f6 100644 --- a/drivers/gpu/drm/msm/msm_fbdev.c +++ b/drivers/gpu/drm/msm/msm_fbdev.c @@ -139,8 +139,28 @@ fail: return ret; } +static int msm_fbdev_fb_dirty(struct drm_fb_helper *helper, + struct drm_clip_rect *clip) +{ + struct drm_device *dev = helper->dev; + int ret; + + /* Call damage handlers only if necessary */ + if (!(clip->x1 < clip->x2 && clip->y1 < clip->y2)) + return 0; + + if (helper->fb->funcs->dirty) { + ret = helper->fb->funcs->dirty(helper->fb, NULL, 0, 0, clip, 1); + if (drm_WARN_ONCE(dev, ret, "Dirty helper failed: ret=%d\n", ret)) + return ret; + } + + return 0; +} + static const struct drm_fb_helper_funcs msm_fb_helper_funcs = { .fb_probe = msm_fbdev_create, + .fb_dirty = msm_fbdev_fb_dirty, }; /* |