[PATCH 2/7] drm/amd/display: block dcn315 dynamic crb allocation when unintended

[Tom Chung]

From: Dmytro Laktyushkin <dmytro.laktyushkin at amd.com>

[WHY/HOW]
Limit the dynamic crb to dual stream configs that include eDP

Reviewed-by: Charlene Liu <charlene.liu at amd.com>
Acked-by: Tom Chung <chiahsuan.chung at amd.com>
Signed-off-by: Dmytro Laktyushkin <dmytro.laktyushkin at amd.com>
---
 .../drm/amd/display/dc/resource/dcn315/dcn315_resource.c    | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn315/dcn315_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn315/dcn315_resource.c
index cb8024eee8e4..515ba435f759 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn315/dcn315_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn315/dcn315_resource.c
@@ -1631,8 +1631,10 @@ static bool allow_pixel_rate_crb(struct dc *dc, struct dc_state *context)
 	int i;
 	struct resource_context *res_ctx = &context->res_ctx;
 
-	/*Don't apply for single stream*/
-	if (context->stream_count < 2)
+	/* Only apply for dual stream scenarios with edp*/
+	if (context->stream_count != 2)
+		return false;
+	if (context->streams[0]->signal != SIGNAL_TYPE_EDP && context->streams[1]->signal != SIGNAL_TYPE_EDP)
 		return false;
 
 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
-- 
2.25.1