drm/amd/display: Skip finding free audio for unknown engine_id

From Alex Hung
95ad20ee3c4efbb91f9a4ab08e070aa3697f5879 in linux-6.6.y/6.6.39
1357b2165d9ad94faa4c4a20d5e2ce29c2ff29c3 in mainline linux

diff --git a/sys/dev/pci/drm/amd/display/dc/core/dc_resource.c b/sys/dev/pci/drm/amd/display/dc/core/dc_resource.c
index efdd9b1..d0df360 100644 (file)
--- a/sys/dev/pci/drm/amd/display/dc/core/dc_resource.c
+++ b/sys/dev/pci/drm/amd/display/dc/core/dc_resource.c
@@ -2385,6 +2385,9 @@ static struct audio *find_first_free_audio(
 {
        int i, available_audio_count;
 
+       if (id == ENGINE_ID_UNKNOWN)
+               return NULL;
+
        available_audio_count = pool->audio_count;
 
        for (i = 0; i < available_audio_count; i++) {