drm/amd/display: Hook up PSR residency command to DSAT (b8e0b3d6) · Commits · 戴 / test

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

+12 −0

Original line number	Diff line number	Diff line
		@@ -2783,6 +2783,18 @@ bool dc_link_setup_psr(struct dc_link *link,

		}

		void dc_link_get_psr_residency(const struct dc_link link, uint32_t residency)
		{
		struct dc *dc = link->ctx->dc;
		struct dmub_psr *psr = dc->res_pool->psr;

		// PSR residency measurements only supported on DMCUB
		if (psr != NULL && link->psr_settings.psr_feature_enabled)
		psr->funcs->psr_get_residency(psr, residency);
		else
		*residency = 0;
		}

		const struct dc_link_status dc_link_get_status(const struct dc_link link)
		{
		return &link->link_status;

+2 −0

Original line number	Diff line number	Diff line
		@@ -228,6 +228,8 @@ bool dc_link_setup_psr(struct dc_link *dc_link,
		const struct dc_stream_state stream, struct psr_config psr_config,
		struct psr_context *psr_context);

		void dc_link_get_psr_residency(const struct dc_link link, uint32_t residency);

		/* Request DC to detect if there is a Panel connected.
		* boot - If this call is during initial boot.
		* Return false for any type of detection failure or MST detection

+14 −0

Original line number	Diff line number	Diff line
		@@ -293,12 +293,26 @@ static void dmub_psr_force_static(struct dmub_psr *dmub)
		dc_dmub_srv_wait_idle(dc->dmub_srv);
		}

		/**
		* Get PSR residency from firmware.
		*/
		static void dmub_psr_get_residency(struct dmub_psr dmub, uint32_t residency)
		{
		struct dmub_srv *srv = dmub->ctx->dmub_srv->dmub;

		// Send gpint command and wait for ack
		dmub_srv_send_gpint_command(srv, DMUB_GPINT__PSR_RESIDENCY, 0, 30);

		dmub_srv_get_gpint_response(srv, residency);
		}

		static const struct dmub_psr_funcs psr_funcs = {
		.psr_copy_settings = dmub_psr_copy_settings,
		.psr_enable = dmub_psr_enable,
		.psr_get_state = dmub_psr_get_state,
		.psr_set_level = dmub_psr_set_level,
		.psr_force_static = dmub_psr_force_static,
		.psr_get_residency = dmub_psr_get_residency,
		};

		/**

+1 −0

Original line number	Diff line number	Diff line
		@@ -40,6 +40,7 @@ struct dmub_psr_funcs {
		void (psr_get_state)(struct dmub_psr dmub, enum dc_psr_state *dc_psr_state);
		void (psr_set_level)(struct dmub_psr dmub, uint16_t psr_level);
		void (psr_force_static)(struct dmub_psr dmub);
		void (psr_get_residency)(struct dmub_psr dmub, uint32_t *residency);
		};

		struct dmub_psr dmub_psr_create(struct dc_context ctx);