The problem is that the iterator is already at the list head so the
list_for_each_entry_from() loop is a no-op and we don't call the
the iter->funcs->post_disable() functions. This should be
list_for_each_entry() instead.
Fixes: 033bfe7538a1 ("drm/vc4: dsi: Fix bridge chain handling")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
drivers/gpu/drm/vc4/vc4_dsi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/vc4/vc4_dsi.c b/drivers/gpu/drm/vc4/vc4_dsi.c
index eaf276978ee7..f92d0e92fa72 100644
--- a/drivers/gpu/drm/vc4/vc4_dsi.c
+++ b/drivers/gpu/drm/vc4/vc4_dsi.c
@@ -754,7 +754,7 @@ static void vc4_dsi_encoder_disable(struct drm_encoder *encoder)
vc4_dsi_ulps(dsi, true);
- list_for_each_entry_from(iter, &dsi->bridge_chain, chain_node) {
+ list_for_each_entry(iter, &dsi->bridge_chain, chain_node) {
if (iter->funcs->post_disable)
iter->funcs->post_disable(iter);
}
--
2.27.0
