From: Nikola Cornij <nikola.cornij@amd.com>
Date: Thu, 14 Dec 2017 17:57:56 -0500
Subject: drm/amd/display: Define remove_stream_from_ctx resource func
Git-commit: e56ae556e16265de6cc237d14a9a1518dbbcb807
Patch-mainline: v4.17-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

This will allow us to clean up resources on a stream as needed.

Signed-off-by: Nikola Cornij <nikola.cornij@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc_resource.c |    3 +++
 drivers/gpu/drm/amd/display/dc/inc/core_types.h   |    5 +++++
 2 files changed, 8 insertions(+)

--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -1554,6 +1554,9 @@ enum dc_status dc_remove_stream_from_ctx
 							  dc->res_pool,
 							  del_pipe->clock_source);
 
+			if (dc->res_pool->funcs->remove_stream_from_ctx)
+				dc->res_pool->funcs->remove_stream_from_ctx(dc, new_ctx, stream);
+
 			memset(del_pipe, 0, sizeof(*del_pipe));
 
 			break;
--- a/drivers/gpu/drm/amd/display/dc/inc/core_types.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
@@ -119,6 +119,11 @@ struct resource_funcs {
 			struct dc *dc,
 			struct dc_state *new_ctx,
 			struct dc_stream_state *dc_stream);
+
+	enum dc_status (*remove_stream_from_ctx)(
+				struct dc *dc,
+				struct dc_state *new_ctx,
+				struct dc_stream_state *stream);
 };
 
 struct audio_support{