Commit 7fbf451e authored by Dillon Varone's avatar Dillon Varone Committed by Alex Deucher
Browse files

drm/amd/display: Reinit DPG when exiting dynamic ODM 



[WHY]
DPG must be returned to initialized state when pipe is disabled.

[HOW]
Reinit DPG on unused pipes when exiting dynamic ODM.

Reviewed-by: default avatarAlvin Lee <Alvin.Lee2@amd.com>
Acked-by: default avatarAlex Hung <alex.hung@amd.com>
Signed-off-by: default avatarDillon Varone <Dillon.Varone@amd.com>
Tested-by: default avatarMark Broadworth <mark.broadworth@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 26f2fe86

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

+23 −0
Original line number Diff line number Diff line
@@ -1079,6 +1079,29 @@ void dcn20_blank_pixel_data( 
				0);

	}



	if (!blank && dc->debug.enable_single_display_2to1_odm_policy) {

		/* when exiting dynamic ODM need to reinit DPG state for unused pipes */

		struct pipe_ctx *old_odm_pipe = dc->current_state->res_ctx.pipe_ctx[pipe_ctx->pipe_idx].next_odm_pipe;



		odm_pipe = pipe_ctx->next_odm_pipe;



		while (old_odm_pipe) {

			if (!odm_pipe || old_odm_pipe->pipe_idx != odm_pipe->pipe_idx)

				dc->hwss.set_disp_pattern_generator(dc,

						old_odm_pipe,

						CONTROLLER_DP_TEST_PATTERN_VIDEOMODE,

						CONTROLLER_DP_COLOR_SPACE_UDEFINED,

						COLOR_DEPTH_888,

						NULL,

						0,

						0,

						0);

			old_odm_pipe = old_odm_pipe->next_odm_pipe;

			if (odm_pipe)

				odm_pipe = odm_pipe->next_odm_pipe;

		}

	}



	if (!blank)

		if (stream_res->abm) {

			dc->hwss.set_pipe(pipe_ctx);