[PATCH 25/47] drm/amd/display: Avoid virtual stream encoder if not explicitly requested

[Rodrigo Siqueira]

From: Alex Hung <alex.h...@amd.com>

Virtual stream encoder should not be a free match for thunderbolt or
usbc, and thus should be avoided.

Reviewed-by: Harry Wentland <harry.wentl...@amd.com>
Acked-by: Rodrigo Siqueira <rodrigo.sique...@amd.com>
Signed-off-by: Alex Hung <alex.h...@amd.com>
---
 .../gpu/drm/amd/display/dc/resource/dcn10/dcn10_resource.c   | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn10/dcn10_resource.c 
b/drivers/gpu/drm/amd/display/dc/resource/dcn10/dcn10_resource.c
index af1b31f4e69a..d08d10969251 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn10/dcn10_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn10/dcn10_resource.c
@@ -1250,7 +1250,10 @@ struct stream_encoder 
*dcn10_find_first_free_match_stream_enc_for_link(
                        /* Store first available for MST second display
                         * in daisy chain use case
                         */
-                       j = i;
+
+                       if (pool->stream_enc[i]->id != ENGINE_ID_VIRTUAL)
+                               j = i;
+
                        if (link->ep_type == DISPLAY_ENDPOINT_PHY && 
pool->stream_enc[i]->id ==
                                        link->link_enc->preferred_engine)
                                return pool->stream_enc[i];
-- 
2.42.0