1 files changed, 45 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4243-drm-amd-display-audio-endpoint-cannot-switch.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4243-drm-amd-display-audio-endpoint-cannot-switch.patch
new file mode 100644
index 00000000..bae703da
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4243-drm-amd-display-audio-endpoint-cannot-switch.patch
@@ -0,0 +1,45 @@
+From 27c0ad919ed09d031d01e7ada90941d9758795a1 Mon Sep 17 00:00:00 2001
+From: Paul Hsieh <paul.hsieh@amd.com>
+Date: Tue, 1 Oct 2019 17:06:04 +0800
+Subject: [PATCH 4243/4736] drm/amd/display: audio endpoint cannot switch
+
+[Why]
+On some systems, we need to check the dcn version in runtime
+system, not in compile time.
+
+[How]
+Stub in dcn version parameter to find_first_free_audio
+
+Signed-off-by: Paul Hsieh <paul.hsieh@amd.com>
+Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
+Acked-by: Leo Li <sunpeng.li@amd.com>
+---
+ drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 5 +++--
+ 1 file changed, 3 insertions(+), 2 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+index 23313c8808b3..66a910ac3cbd 100644
+--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
++++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+@@ -1626,7 +1626,8 @@ static int acquire_first_free_pipe(
+ static struct audio *find_first_free_audio(
+ 		struct resource_context *res_ctx,
+ 		const struct resource_pool *pool,
+-		enum engine_id id)
++		enum engine_id id,
++		enum dce_version dc_version)
+ {
+ 	int i, available_audio_count;
+ 
+@@ -1962,7 +1963,7 @@ enum dc_status resource_map_pool_resources(
+ 	    dc_is_audio_capable_signal(pipe_ctx->stream->signal) &&
+ 	    stream->audio_info.mode_count && stream->audio_info.flags.all) {
+ 		pipe_ctx->stream_res.audio = find_first_free_audio(
+-		&context->res_ctx, pool, pipe_ctx->stream_res.stream_enc->id);
++		&context->res_ctx, pool, pipe_ctx->stream_res.stream_enc->id, dc_ctx->dce_version);
+ 
+ 		/*
+ 		 * Audio assigned in order first come first get.
+-- 
+2.17.1
+