1 files changed, 70 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4233-drm-amd-display-remove-unused-code.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4233-drm-amd-display-remove-unused-code.patch
new file mode 100644
index 00000000..d015840c
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4233-drm-amd-display-remove-unused-code.patch
@@ -0,0 +1,70 @@
+From 762b81f7f405abd6f034606910e7fe645b03c095 Mon Sep 17 00:00:00 2001
+From: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
+Date: Fri, 30 Aug 2019 16:58:29 -0400
+Subject: [PATCH 4233/4736] drm/amd/display: remove unused code
+
+Commit hints are unnecessary after front end programming redesign.
+
+Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
+Reviewed-by: Eric Bernstein <Eric.Bernstein@amd.com>
+Acked-by: Leo Li <sunpeng.li@amd.com>
+---
+ drivers/gpu/drm/amd/display/dc/core/dc.c              | 2 --
+ drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | 5 -----
+ drivers/gpu/drm/amd/display/dc/inc/core_types.h       | 4 ----
+ 3 files changed, 11 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
+index 699a215ca8ce..bd623404772d 100644
+--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
++++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
+@@ -1245,8 +1245,6 @@ static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *c
+ 	for (i = 0; i < context->stream_count; i++)
+                 context->streams[i]->mode_changed = false;
+ 
+-	memset(&context->commit_hints, 0, sizeof(context->commit_hints));
+-
+ 	dc_release_state(dc->current_state);
+ 
+ 	dc->current_state = context;
+diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+index ac20d39ec8ce..c60f8e538cef 100644
+--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
++++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+@@ -2304,7 +2304,6 @@ bool dcn20_fast_validate_bw(
+ 	int split_threshold = dc->res_pool->pipe_count / 2;
+ 	bool avoid_split = dc->debug.pipe_split_policy != MPC_SPLIT_DYNAMIC;
+ 
+-
+ 	ASSERT(pipes);
+ 	if (!pipes)
+ 		return false;
+@@ -2382,10 +2381,6 @@ bool dcn20_fast_validate_bw(
+ 	if (vlevel > context->bw_ctx.dml.soc.num_states)
+ 		goto validate_fail;
+ 
+-	if ((context->stream_count > split_threshold && dc->current_state->stream_count <= split_threshold)
+-		|| (context->stream_count <= split_threshold && dc->current_state->stream_count > split_threshold))
+-		context->commit_hints.full_update_needed = true;
+-
+ 	/*initialize pipe_just_split_from to invalid idx*/
+ 	for (i = 0; i < MAX_PIPES; i++)
+ 		pipe_split_from[i] = -1;
+diff --git a/drivers/gpu/drm/amd/display/dc/inc/core_types.h b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
+index eee78a73d88c..a831079607cd 100644
+--- a/drivers/gpu/drm/amd/display/dc/inc/core_types.h
++++ b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
+@@ -398,10 +398,6 @@ struct dc_state {
+ 
+ 	struct clk_mgr *clk_mgr;
+ 
+-	struct {
+-		bool full_update_needed : 1;
+-	} commit_hints;
+-
+ 	struct kref refcount;
+ };
+ 
+-- 
+2.17.1
+