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From 26bc19ebf49c56f96501a9fda5b755a197bdcc09 Mon Sep 17 00:00:00 2001
From: Yongqiang Sun <yongqiang.sun@amd.com>
Date: Tue, 17 Oct 2017 14:54:58 -0400
Subject: [PATCH 2618/4131] drm/amd/display: Check cursor address before
program.
Program cursor attributes during set mode is only needed
in case of pipe slipt, bottom pipe should be programmed
same as top pipe. Need to program if address is 0.
Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
---
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index 0d1f0e2..c82d667 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -2436,7 +2436,8 @@ static void program_all_pipe_in_tree(
/* TODO: this is a hack w/a for switching from mpo to pipe split */
dc_stream_set_cursor_position(pipe_ctx->stream, &position);
- dc_stream_set_cursor_attributes(pipe_ctx->stream,
+ if (pipe_ctx->stream->cursor_attributes.address.quad_part != 0)
+ dc_stream_set_cursor_attributes(pipe_ctx->stream,
&pipe_ctx->stream->cursor_attributes);
if (cur_pipe_ctx->plane_state != pipe_ctx->plane_state) {
--
2.7.4
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