drm/amd/powerplay: enable DiDt feature for polaris10/11.

DIDT is a power saving feature which helps limit power
consumption in order to hit a target power allocation.

v1: delete temp file added accidentally.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c

@@ -2668,6 +2668,10 @@ int polaris10_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
 	PP_ASSERT_WITH_CODE((0 == tmp_result),
 			"Failed to enable deep sleep master switch!", result = tmp_result);
 
+	tmp_result = polaris10_enable_didt_config(hwmgr);
+	PP_ASSERT_WITH_CODE((tmp_result == 0),
+			"Failed to enable deep sleep master switch!", result = tmp_result);
+
 	tmp_result = polaris10_start_dpm(hwmgr);
 	PP_ASSERT_WITH_CODE((0 == tmp_result),
 			"Failed to start DPM!", result = tmp_result);
@@ -2807,13 +2811,13 @@ int polaris10_set_features_platform_caps(struct pp_hwmgr *hwmgr)
 					PHM_PlatformCaps_DynamicUVDState);
 
 	/* power tune caps Assume disabled */
-	phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
+	phm_cap_set(hwmgr->platform_descriptor.platformCaps,
 						PHM_PlatformCaps_SQRamping);
-	phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
+	phm_cap_set(hwmgr->platform_descriptor.platformCaps,
 						PHM_PlatformCaps_DBRamping);
-	phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
+	phm_cap_set(hwmgr->platform_descriptor.platformCaps,
 						PHM_PlatformCaps_TDRamping);
-	phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
+	phm_cap_set(hwmgr->platform_descriptor.platformCaps,
 						PHM_PlatformCaps_TCPRamping);
 
 	if (hwmgr->powercontainment_enabled)
@@ -3640,6 +3644,7 @@ static int polaris10_apply_state_adjust_rules(struct pp_hwmgr *hwmgr,
 				    hwmgr->platform_descriptor.platformCaps,
 				    PHM_PlatformCaps_DisableMclkSwitchingForFrameLock);
 
+
 	disable_mclk_switching = (1 < info.display_count) ||
 				    disable_mclk_switching_for_frame_lock;
 
@@ -4616,6 +4621,8 @@ static int polaris10_notify_smc_display(struct pp_hwmgr *hwmgr)
 	return (smum_send_msg_to_smc(hwmgr->smumgr, (PPSMC_Msg)PPSMC_HasDisplay) == 0) ?  0 : -EINVAL;
 }
 
+
+
 static int polaris10_set_power_state_tasks(struct pp_hwmgr *hwmgr, const void *input)
 {
 	int tmp_result, result = 0;
@@ -4724,6 +4731,7 @@ int polaris10_notify_smc_display_config_after_ps_adjustment(struct pp_hwmgr *hwm
 	if (num_active_displays > 1)  /* to do && (pHwMgr->pPECI->displayConfiguration.bMultiMonitorInSync != TRUE)) */
 		polaris10_notify_smc_display_change(hwmgr, false);
 
+
 	return 0;
 }
 
@@ -4773,6 +4781,7 @@ int polaris10_program_display_gap(struct pp_hwmgr *hwmgr)
 
 	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, data->soft_regs_start + offsetof(SMU74_SoftRegisters, VBlankTimeout), (frame_time_in_us - pre_vbi_time_in_us));
 
+
 	return 0;
 }
 

drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_powertune.h

@@ -27,6 +27,7 @@ enum polaris10_pt_config_reg_type {
 	POLARIS10_CONFIGREG_MMR = 0,
 	POLARIS10_CONFIGREG_SMC_IND,
 	POLARIS10_CONFIGREG_DIDT_IND,
+	POLARIS10_CONFIGREG_GC_CAC_IND,
 	POLARIS10_CONFIGREG_CACHE,
 	POLARIS10_CONFIGREG_MAX
 };
@@ -49,6 +50,14 @@ enum polaris10_pt_config_reg_type {
 #define POWERCONTAINMENT_FEATURE_TDCLimit        0x00000002
 #define POWERCONTAINMENT_FEATURE_PkgPwrLimit     0x00000004
 
+#define ixGC_CAC_CNTL 0x0000
+#define ixDIDT_SQ_STALL_CTRL 0x0004
+#define  ixDIDT_SQ_TUNING_CTRL 0x0005
+#define ixDIDT_TD_STALL_CTRL 0x0044
+#define ixDIDT_TD_TUNING_CTRL 0x0045
+#define ixDIDT_TCP_STALL_CTRL 0x0064
+#define ixDIDT_TCP_TUNING_CTRL 0x0065
+
 struct polaris10_pt_config_reg {
 	uint32_t                           offset;
 	uint32_t                           mask;
@@ -80,6 +89,6 @@ int polaris10_enable_power_containment(struct pp_hwmgr *hwmgr);
 int polaris10_disable_power_containment(struct pp_hwmgr *hwmgr);
 int polaris10_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n);
 int polaris10_power_control_set_level(struct pp_hwmgr *hwmgr);
-
+int polaris10_enable_didt_config(struct pp_hwmgr *hwmgr);
 #endif  /* POLARIS10_POWERTUNE_H */