Commit c1929159 authored by Alex Hung's avatar Alex Hung Committed by Alex Deucher
Browse files

Revert "drm/amd/display: Fix writeback_info never got updated" 



This reverts commit 8a307777.

[WHY & HOW]
The writeback series cause a regression in thunderbolt display.

Signed-off-by: default avatarAlex Hung <alex.hung@amd.com>
Reviewed-by: default avatarHarry Wentland <harry.wentland@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 8f4bdbc8

drivers/gpu/drm/amd/display/dc/core/dc_stream.c

+9 −4
Original line number Diff line number Diff line
@@ -509,13 +509,18 @@ bool dc_stream_remove_writeback(struct dc *dc, 
		return false;

	}



//	stream->writeback_info[dwb_pipe_inst].wb_enabled = false;

	for (i = 0; i < stream->num_wb_info; i++) {

		/*dynamic update*/

		if (stream->writeback_info[i].wb_enabled &&

			stream->writeback_info[i].dwb_pipe_inst == dwb_pipe_inst) {

			stream->writeback_info[i].wb_enabled = false;

		}

	}



	/* remove writeback info for disabled writeback pipes from stream */

	for (i = 0, j = 0; i < stream->num_wb_info; i++) {

		if (stream->writeback_info[i].wb_enabled) {



			if (stream->writeback_info[i].dwb_pipe_inst == dwb_pipe_inst)

				stream->writeback_info[i].wb_enabled = false;



			if (j < i)

				/* trim the array */

				memcpy(&stream->writeback_info[j], &stream->writeback_info[i],