diff options
| author | Thomas Zimmermann <[email protected]> | 2020-11-20 11:25:36 +0100 |
|---|---|---|
| committer | Thomas Zimmermann <[email protected]> | 2020-11-24 09:19:40 +0100 |
| commit | a102172c7f818bfb32c0652552983e262d11990e (patch) | |
| tree | 35c0c93ccfa213f013fb3a81cd0560c312cab41a | |
| parent | 2f04636f496d723f4ab685d44aad12c257e832c6 (diff) | |
drm/fb-helper: Call dirty helper after writing to fbdev
If fbdev uses a shadow framebuffer, call the damage handler. Otherwise
the update might not make it to the screen.
v2:
* mark virtual screen as dirty (Ville)
Signed-off-by: Thomas Zimmermann <[email protected]>
Fixes: 222ec45f4c69 ("drm/fb_helper: Support framebuffers in I/O memory")
Acked-by: Maxime Ripard <[email protected]>
Acked-by: Sam Ravnborg <[email protected]>
Cc: Thomas Zimmermann <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: Sam Ravnborg <[email protected]>
Cc: Maarten Lankhorst <[email protected]>
Cc: Maxime Ripard <[email protected]>
Cc: David Airlie <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: Gerd Hoffmann <[email protected]>
Cc: [email protected]
Cc: [email protected]
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
| -rw-r--r-- | drivers/gpu/drm/drm_fb_helper.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 25edf670867c..9c673f33d222 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -2189,6 +2189,9 @@ static ssize_t drm_fbdev_fb_write(struct fb_info *info, const char __user *buf, if (ret > 0) *ppos += ret; + if (ret > 0) + drm_fb_helper_dirty(info, 0, 0, info->var.xres_virtual, info->var.yres_virtual); + return ret ? ret : err; } |