Commit ed8ec123 authored by Dmytro Laktyushkin's avatar Dmytro Laktyushkin Committed by Alex Deucher
Browse files

drm/amd/display: remove unnecessary mpcc updates 



We were updating mpcc if there were tree changes which
is unnecessary since any mpcc being added or removed
will automatically update the tree.

Signed-off-by: default avatarDmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: default avatarEric Bernstein <Eric.Bernstein@amd.com>
Acked-by: default avatarQingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 37ffa7a1

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c

+6 −7
Original line number Diff line number Diff line
@@ -1265,14 +1265,13 @@ static void dcn20_detect_pipe_changes(struct pipe_ctx *old_pipe, struct pipe_ctx 
	if (old_pipe->stream_res.tg != new_pipe->stream_res.tg)

		new_pipe->update_flags.bits.tg_changed = 1;



	/* Detect mpcc blending changes, only dpp inst and bot matter here */

	/*

	 * Detect mpcc blending changes, only dpp inst and opp matter here,

	 * mpccs getting removed/inserted update connected ones during their own

	 * programming

	 */

	if (old_pipe->plane_res.dpp != new_pipe->plane_res.dpp

			|| old_pipe->stream_res.opp != new_pipe->stream_res.opp

			|| (!old_pipe->bottom_pipe && new_pipe->bottom_pipe)

			|| (old_pipe->bottom_pipe && !new_pipe->bottom_pipe)

			|| (old_pipe->bottom_pipe && new_pipe->bottom_pipe

				&& old_pipe->bottom_pipe->plane_res.mpcc_inst

					!= new_pipe->bottom_pipe->plane_res.mpcc_inst))

			|| old_pipe->stream_res.opp != new_pipe->stream_res.opp)

		new_pipe->update_flags.bits.mpcc = 1;



	/* Detect dppclk change */

CRA Git | Maintained and supported by SUSTech CRA and CCSE