Commit 5b89d2cc authored May 19, 2023 by Alex Hung Committed by Alex Deucher Oct 03, 2023

drm/amd/display: Fix writeback_info is not removed



[WHY]
Counter j was not updated to present the num of writeback_info when
writeback pipes are removed.

[HOW]
update j (num of writeback info) under the correct condition.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent 58c3b334

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

+4 −3

Original line number	Diff line number	Diff line
		@@ -565,13 +565,14 @@ bool dc_stream_remove_writeback(struct dc *dc,
		if (stream->writeback_info[i].dwb_pipe_inst == dwb_pipe_inst)
		stream->writeback_info[i].wb_enabled = false;

		if (j < i)
		/* trim the array */
		if (j < i) {
		memcpy(&stream->writeback_info[j], &stream->writeback_info[i],
		sizeof(struct dc_writeback_info));
		j++;
		}
		}
		}
		stream->num_wb_info = j;

		/* recalculate and apply DML parameters */