Commit 8e7b3f54 authored by Max Tseng's avatar Max Tseng Committed by Alex Deucher
Browse files

drm/amd/display: Add control flag to dc_stream_state to skip eDP BL off/link off 



Add control flag to dc_stream_state to skip eDP BL off/link off.

Acked-by: default avatarStylon Wang <stylon.wang@amd.com>
Signed-off-by: default avatarMax Tseng <max.tseng@amd.com>
Reviewed-by: default avatarAnthony Koo <Anthony.Koo@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 490ddccb

drivers/gpu/drm/amd/display/dc/dc_stream.h

+1 −0
Original line number Diff line number Diff line
@@ -302,6 +302,7 @@ struct dc_stream_state { 
	bool vblank_synchronized;

	bool fpo_in_use;

	struct mall_stream_config mall_stream_config;

	bool skip_edp_power_down;

};



#define ABM_LEVEL_IMMEDIATE_DISABLE 255

drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c

+2 −1
Original line number Diff line number Diff line
@@ -1216,6 +1216,7 @@ void dce110_blank_stream(struct pipe_ctx *pipe_ctx) 
	struct dce_hwseq *hws = link->dc->hwseq;



	if (link->local_sink && link->local_sink->sink_signal == SIGNAL_TYPE_EDP) {

		if (!stream->skip_edp_power_down)

			hws->funcs.edp_backlight_control(link, false);

		link->dc->hwss.set_abm_immediate_disable(pipe_ctx);

	}

drivers/gpu/drm/amd/display/dc/link/link_dpms.c

+4 −3
Original line number Diff line number Diff line
@@ -2207,9 +2207,8 @@ static enum dc_status enable_link( 
	 * link settings. Need to call disable first before enabling at

	 * new link settings.

	 */

	if (link->link_status.link_active) {

	if (link->link_status.link_active && !stream->skip_edp_power_down)

		disable_link(link, &pipe_ctx->link_res, pipe_ctx->stream->signal);

	}



	switch (pipe_ctx->stream->signal) {

	case SIGNAL_TYPE_DISPLAY_PORT:
@@ -2327,8 +2326,10 @@ void link_set_dpms_off(struct pipe_ctx *pipe_ctx) 
		dc->hwss.disable_stream(pipe_ctx);

	} else {

		dc->hwss.disable_stream(pipe_ctx);

		if (!pipe_ctx->stream->skip_edp_power_down) {

			disable_link(pipe_ctx->stream->link, &pipe_ctx->link_res, pipe_ctx->stream->signal);

		}

	}



	if (pipe_ctx->stream->timing.flags.DSC) {

		if (dc_is_dp_signal(pipe_ctx->stream->signal))