From 26bc19ebf49c56f96501a9fda5b755a197bdcc09 Mon Sep 17 00:00:00 2001 From: Yongqiang Sun 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 Reviewed-by: Tony Cheng Acked-by: Harry Wentland --- 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