Hi David Airlie，
Please help to confirm whether this modification is reasonable when
you are free, thanks.
在 2020/8/13 14:31, Huang Jiachai 写道:
ping...
在 2020/7/23 3:01, Heiko Stübner 写道:
Am Dienstag, 7. Juli 2020, 13:25:26 CEST schrieb Sandy Huang:
don't mask possible_crtcs if remote-point is disabled.
Signed-off-by: Sandy Huang <hjc@xxxxxxxxxxxxxx>
Reviewed-by: Heiko Stuebner <heiko@xxxxxxxxx>
changes in v2:
- drop additional of_node_put, as ep will be put with the next
iteration of for_each_endpoint_of_node()
As this touches a pretty central function is there something
to keep in mind in regards to other DRM drivers?
[question for the broader audience ;-) ]
Heiko
---
drivers/gpu/drm/drm_of.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/drm_of.c b/drivers/gpu/drm/drm_of.c
index fdb05fbf72a0..565f05f5f11b 100644
--- a/drivers/gpu/drm/drm_of.c
+++ b/drivers/gpu/drm/drm_of.c
@@ -66,6 +66,9 @@ uint32_t drm_of_find_possible_crtcs(struct
drm_device *dev,
uint32_t possible_crtcs = 0;
for_each_endpoint_of_node(port, ep) {
+ if (!of_device_is_available(ep))
+ continue;
+
remote_port = of_graph_get_remote_port(ep);
if (!remote_port) {
of_node_put(ep);
--
Best Regard
黄家钗
Sandy Huang
Addr: 福州市鼓楼区铜盘路软件大道89号福州软件园A区21号楼(350003)
No. 21 Building, A District, No.89,software Boulevard Fuzhou,Fujian,PRC
Tel：+86 0591-87884919 8690
E-mail：hjc@xxxxxxxxxxxxxx
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