[PATCH AUTOSEL 5.5 061/121] drm/crc: Actually allow to change the crc source

[Sasha Levin]

From: Daniel Vetter <daniel.vetter@xxxxxxxx>

[ Upstream commit 3cb6d8e5cf9811a62e27f366fd1c05f90310a8fd ]

Oops.

Fixes: 9edbf1fa600a ("drm: Add API for capturing frame CRCs")
Cc: Tomeu Vizoso <tomeu.vizoso@xxxxxxxxxxxxx>
Cc: Emil Velikov <emil.velikov@xxxxxxxxxxxxx>
Cc: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxx>
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
Reviewed-by: Ville SyrjÃlà <ville.syrjala@xxxxxxxxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20190821203835.18314-1-daniel.vetter@xxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/gpu/drm/drm_debugfs_crc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_debugfs_crc.c b/drivers/gpu/drm/drm_debugfs_crc.c
index 2ece2957da1af..6b20da279bc7f 100644
--- a/drivers/gpu/drm/drm_debugfs_crc.c
+++ b/drivers/gpu/drm/drm_debugfs_crc.c
@@ -367,7 +367,7 @@ void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc)
 
 	crc_ent = debugfs_create_dir("crc", crtc->debugfs_entry);
 
-	debugfs_create_file("control", S_IRUGO, crc_ent, crtc,
+	debugfs_create_file("control", S_IRUGO | S_IWUSR, crc_ent, crtc,
 			    &drm_crtc_crc_control_fops);
 	debugfs_create_file("data", S_IRUGO, crc_ent, crtc,
 			    &drm_crtc_crc_data_fops);
-- 
2.20.1