drm/amd/display: Extend PSRSU residency mode

1. To support multiple PSRSU residency measurement mode
Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Acked-by: Zaeem Mohamed <zaeem.mohamed@amd.com>
Signed-off-by: Jack Chang <jack.chang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c

@@ -3074,7 +3074,7 @@ static int psr_read_residency(void *data, u64 *val)
 	struct dc_link *link = connector->dc_link;
 	u32 residency = 0;
 
-	link->dc->link_srv->edp_get_psr_residency(link, &residency);
+	link->dc->link_srv->edp_get_psr_residency(link, &residency, PSR_RESIDENCY_MODE_PHY);
 
 	*val = (u64)residency;
 

drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c

@@ -445,10 +445,13 @@ static void dmub_psr_force_static(struct dmub_psr *dmub, uint8_t panel_inst)
 /*
  * Get PSR residency from firmware.
  */
-static void dmub_psr_get_residency(struct dmub_psr *dmub, uint32_t *residency, uint8_t panel_inst)
+static void dmub_psr_get_residency(struct dmub_psr *dmub, uint32_t *residency,
+	uint8_t panel_inst, enum psr_residency_mode mode)
 {
 	uint16_t param = (uint16_t)(panel_inst << 8);
 
+	param |= mode;
+
 	/* Send gpint command and wait for ack */
 	dc_wake_and_execute_gpint(dmub->ctx, DMUB_GPINT__PSR_RESIDENCY, param, residency,
 				  DM_DMUB_WAIT_TYPE_WAIT_WITH_REPLY);

drivers/gpu/drm/amd/display/dc/dce/dmub_psr.h

@@ -27,6 +27,7 @@
 #define _DMUB_PSR_H_
 
 #include "dc_types.h"
+#include "dmub_cmd.h"
 struct dc_link;
 struct dmub_psr_funcs;
 
@@ -46,7 +47,7 @@ struct dmub_psr_funcs {
 	uint8_t panel_inst);
 	void (*psr_force_static)(struct dmub_psr *dmub, uint8_t panel_inst);
 	void (*psr_get_residency)(struct dmub_psr *dmub, uint32_t *residency,
-	uint8_t panel_inst);
+	uint8_t panel_inst,  enum psr_residency_mode mode);
 	void (*psr_set_sink_vtotal_in_psr_active)(struct dmub_psr *dmub,
 	uint16_t psr_vtotal_idle, uint16_t psr_vtotal_su);
 	void (*psr_set_power_opt)(struct dmub_psr *dmub, unsigned int power_opt, uint8_t panel_inst);

drivers/gpu/drm/amd/display/dc/inc/link.h

@@ -272,7 +272,7 @@ struct link_service {
 			uint16_t psr_vtotal_idle,
 			uint16_t psr_vtotal_su);
 	void (*edp_get_psr_residency)(
-			const struct dc_link *link, uint32_t *residency);
+			const struct dc_link *link, uint32_t *residency, enum psr_residency_mode mode);
 
 	bool (*edp_get_replay_state)(
 			const struct dc_link *link, uint64_t *state);

drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c

@@ -853,7 +853,7 @@ bool edp_setup_psr(struct dc_link *link,
 
 }
 
-void edp_get_psr_residency(const struct dc_link *link, uint32_t *residency)
+void edp_get_psr_residency(const struct dc_link *link, uint32_t *residency, enum psr_residency_mode mode)
 {
 	struct dc  *dc = link->ctx->dc;
 	struct dmub_psr *psr = dc->res_pool->psr;
@@ -864,7 +864,7 @@ void edp_get_psr_residency(const struct dc_link *link, uint32_t *residency)
 
 	// PSR residency measurements only supported on DMCUB
 	if (psr != NULL && link->psr_settings.psr_feature_enabled)
-		psr->funcs->psr_get_residency(psr, residency, panel_inst);
+		psr->funcs->psr_get_residency(psr, residency, panel_inst, mode);
 	else
 		*residency = 0;
 }

drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h

@@ -51,7 +51,7 @@ bool edp_setup_psr(struct dc_link *link,
 		struct psr_context *psr_context);
 bool edp_set_sink_vtotal_in_psr_active(const struct dc_link *link,
        uint16_t psr_vtotal_idle, uint16_t psr_vtotal_su);
-void edp_get_psr_residency(const struct dc_link *link, uint32_t *residency);
+void edp_get_psr_residency(const struct dc_link *link, uint32_t *residency, enum psr_residency_mode mode);
 bool edp_set_replay_allow_active(struct dc_link *dc_link, const bool *enable,
 	bool wait, bool force_static, const unsigned int *power_opts);
 bool edp_setup_replay(struct dc_link *link,

drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h

@@ -3249,6 +3249,18 @@ struct dmub_rb_cmd_psr_set_power_opt {
 	struct dmub_cmd_psr_set_power_opt_data psr_set_power_opt_data;
 };
 
+/**
+ * Different PSR residency modes.
+ * Different modes change the definition of PSR residency.
+ */
+enum psr_residency_mode {
+	PSR_RESIDENCY_MODE_PHY = 0,
+	PSR_RESIDENCY_MODE_ALPM,
+	PSR_RESIDENCY_MODE_ENABLEMENT_PERIOD,
+	/* Do not add below. */
+	PSR_RESIDENCY_MODE_LAST_ELEMENT,
+};
+
 /**
  * Definition of Replay Residency GPINT command.
  * Bit[0] - Residency mode for Revision 0