From: Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx> On platforms where the endpoint used is on port@0, looking for port@1 instead results in just ignoring the max link-frequencies altogether. Look at port@0 first, then, if not found, look for port@1. Signed-off-by: Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx> Signed-off-by: Abel Vesa <abel.vesa@xxxxxxxxxx> --- drivers/gpu/drm/msm/dp/dp_parser.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/dp/dp_parser.c b/drivers/gpu/drm/msm/dp/dp_parser.c index 7032dcc8842b..eec5b8b83f4b 100644 --- a/drivers/gpu/drm/msm/dp/dp_parser.c +++ b/drivers/gpu/drm/msm/dp/dp_parser.c @@ -97,7 +97,11 @@ static u32 dp_parser_link_frequencies(struct device_node *of_node) u64 frequency = 0; int cnt; - endpoint = of_graph_get_endpoint_by_regs(of_node, 1, 0); /* port@1 */ + endpoint = of_graph_get_endpoint_by_regs(of_node, 0, 0); /* port@0 */ + + if (!endpoint) + endpoint = of_graph_get_endpoint_by_regs(of_node, 1, 0); /* port@1 */ + if (!endpoint) return 0; -- 2.34.1
