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);
>
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