Commit a0c38eba authored Aug 21, 2017 by Charlene Liu Committed by Alex Deucher Sep 26, 2017

drm/amd/display: write dpcd 0x600 to 2 for DP/eDP when powerdown



Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent 7fb77c51

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

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -1977,7 +1977,7 @@ bool dc_link_setup_psr(struct dc_link *link,
	#if defined(CONFIG_DRM_AMD_DC_DCN1_0)		#if defined(CONFIG_DRM_AMD_DC_DCN1_0)
	/skip power down the single pipe since it blocks the cstate/		/skip power down the single pipe since it blocks the cstate/
	if (ASIC_REV_IS_RAVEN(link->ctx->asic_id.hw_internal_rev))		if (ASIC_REV_IS_RAVEN(link->ctx->asic_id.hw_internal_rev))
	psr_context->psr_level.bits.SKIP_SINGLE_OTG_DISABLE = false;		psr_context->psr_level.bits.SKIP_CRTC_DISABLE = true;
	#endif		#endif

	/* SMU will perform additional powerdown sequence.		/* SMU will perform additional powerdown sequence.

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

+9 −1

Original line number	Original line	Diff line number	Diff line
	@@ -1147,8 +1147,16 @@ static enum dc_status apply_single_controller_ctx_to_hw(
	static void power_down_encoders(struct dc *dc)		static void power_down_encoders(struct dc *dc)
	{		{
	int i;		int i;
			enum connector_id connector_id;
	for (i = 0; i < dc->link_count; i++) {		for (i = 0; i < dc->link_count; i++) {
			connector_id = dal_graphics_object_id_get_connector_id(dc->links[i]->link_id);
			if ((connector_id == CONNECTOR_ID_DISPLAY_PORT) \|\|
			(connector_id == CONNECTOR_ID_EDP)) {

			if (!dc->links[i]->wa_flags.dp_keep_receiver_powered)
			dp_receiver_power_ctrl(dc->links[i], false);
			}

	dc->links[i]->link_enc->funcs->disable_output(		dc->links[i]->link_enc->funcs->disable_output(
	dc->links[i]->link_enc, SIGNAL_TYPE_NONE);		dc->links[i]->link_enc, SIGNAL_TYPE_NONE);
	}		}

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

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -67,5 +67,6 @@ void dce110_fill_display_configs(

	uint32_t dce110_get_min_vblank_time_us(const struct validate_context *context);		uint32_t dce110_get_min_vblank_time_us(const struct validate_context *context);

			void dp_receiver_power_ctrl(struct dc_link *link, bool on);
	#endif /* __DC_HWSS_DCE110_H__ */		#endif /* __DC_HWSS_DCE110_H__ */