path: root/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3787-drm-amd-pp-Simplified-the-avfs-btc-state-on-smu7.patch

From 59a165be99d48081efd5487de94b92690c49553c Mon Sep 17 00:00:00 2001
From: Rex Zhu <Rex.Zhu@amd.com>
Date: Fri, 9 Mar 2018 18:07:59 +0800
Subject: [PATCH 3787/4131] drm/amd/pp: Simplified the avfs btc state on smu7

AVFS feature support/not support is enough to driver.

so remove the complex define of the avfs btc state.

Change-Id: I554fc5ef18d86f9b292d716cd16cd00326e5853f
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
---
 drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c   | 14 +---
 drivers/gpu/drm/amd/powerplay/inc/hwmgr.h          |  2 +-
 drivers/gpu/drm/amd/powerplay/inc/smumgr.h         | 21 ------
 drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c | 70 ++++++------------
 .../drm/amd/powerplay/smumgr/polaris10_smumgr.c    | 83 +++++++---------------
 drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c |  4 +-
 drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.h |  7 +-
 7 files changed, 51 insertions(+), 150 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index cc1db96..96306ae 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -40,7 +40,6 @@
 
 #include "hwmgr.h"
 #include "smu7_hwmgr.h"
-#include "smu7_smumgr.h"
 #include "smu_ucode_xfer_vi.h"
 #include "smu7_powertune.h"
 #include "smu7_dyn_defaults.h"
@@ -1353,12 +1352,7 @@ static int smu7_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
 
 static int smu7_avfs_control(struct pp_hwmgr *hwmgr, bool enable)
 {
-	struct smu7_smumgr *smu_data = (struct smu7_smumgr *)(hwmgr->smu_backend);
-
-	if (smu_data == NULL)
-		return -EINVAL;
-
-	if (smu_data->avfs.avfs_btc_status == AVFS_BTC_NOTSUPPORTED)
+	if (!hwmgr->avfs_supported)
 		return 0;
 
 	if (enable) {
@@ -1382,13 +1376,9 @@ static int smu7_avfs_control(struct pp_hwmgr *hwmgr, bool enable)
 
 static int smu7_update_avfs(struct pp_hwmgr *hwmgr)
 {
-	struct smu7_smumgr *smu_data = (struct smu7_smumgr *)(hwmgr->smu_backend);
 	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
 
-	if (smu_data == NULL)
-		return -EINVAL;
-
-	if (smu_data->avfs.avfs_btc_status == AVFS_BTC_NOTSUPPORTED)
+	if (!hwmgr->avfs_supported)
 		return 0;
 
 	if (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_VDDC) {
diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
index b151ad85..312fbc3 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
@@ -748,7 +748,7 @@ struct pp_hwmgr {
 	struct pp_power_state    *uvd_ps;
 	struct amd_pp_display_configuration display_config;
 	uint32_t feature_mask;
-
+	bool avfs_supported;
 	/* UMD Pstate */
 	bool en_umd_pstate;
 	uint32_t power_profile_mode;
diff --git a/drivers/gpu/drm/amd/powerplay/inc/smumgr.h b/drivers/gpu/drm/amd/powerplay/inc/smumgr.h
index 9bba0a0..19048b0 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/smumgr.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/smumgr.h
@@ -26,27 +26,6 @@
 #include "amd_powerplay.h"
 #include "hwmgr.h"
 
-enum AVFS_BTC_STATUS {
-	AVFS_BTC_BOOT = 0,
-	AVFS_BTC_BOOT_STARTEDSMU,
-	AVFS_LOAD_VIRUS,
-	AVFS_BTC_VIRUS_LOADED,
-	AVFS_BTC_VIRUS_FAIL,
-	AVFS_BTC_COMPLETED_PREVIOUSLY,
-	AVFS_BTC_ENABLEAVFS,
-	AVFS_BTC_STARTED,
-	AVFS_BTC_FAILED,
-	AVFS_BTC_RESTOREVFT_FAILED,
-	AVFS_BTC_SAVEVFT_FAILED,
-	AVFS_BTC_DPMTABLESETUP_FAILED,
-	AVFS_BTC_COMPLETED_UNSAVED,
-	AVFS_BTC_COMPLETED_SAVED,
-	AVFS_BTC_COMPLETED_RESTORED,
-	AVFS_BTC_DISABLED,
-	AVFS_BTC_NOTSUPPORTED,
-	AVFS_BTC_SMUMSG_ERROR
-};
-
 enum SMU_TABLE {
 	SMU_UVD_TABLE = 0,
 	SMU_VCE_TABLE,
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c
index 0b2b5d1..ed2e2e9 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c
@@ -205,9 +205,9 @@ static int fiji_start_avfs_btc(struct pp_hwmgr *hwmgr)
 	int result = 0;
 	struct smu7_smumgr *smu_data = (struct smu7_smumgr *)(hwmgr->smu_backend);
 
-	if (0 != smu_data->avfs.avfs_btc_param) {
+	if (0 != smu_data->avfs_btc_param) {
 		if (0 != smu7_send_msg_to_smc_with_parameter(hwmgr,
-				PPSMC_MSG_PerformBtc, smu_data->avfs.avfs_btc_param)) {
+				PPSMC_MSG_PerformBtc, smu_data->avfs_btc_param)) {
 			pr_info("[AVFS][Fiji_PerformBtc] PerformBTC SMU msg failed");
 			result = -EINVAL;
 		}
@@ -261,43 +261,21 @@ static int fiji_setup_graphics_level_structure(struct pp_hwmgr *hwmgr)
 	return 0;
 }
 
-static int fiji_avfs_event_mgr(struct pp_hwmgr *hwmgr, bool smu_started)
+static int fiji_avfs_event_mgr(struct pp_hwmgr *hwmgr)
 {
-	struct smu7_smumgr *smu_data = (struct smu7_smumgr *)(hwmgr->smu_backend);
-
-	switch (smu_data->avfs.avfs_btc_status) {
-	case AVFS_BTC_COMPLETED_PREVIOUSLY:
-		break;
+	PP_ASSERT_WITH_CODE(0 == fiji_setup_graphics_level_structure(hwmgr),
+			"[AVFS][fiji_avfs_event_mgr] Could not Copy Graphics Level"
+			" table over to SMU",
+			return -EINVAL);
+	PP_ASSERT_WITH_CODE(0 == smu7_setup_pwr_virus(hwmgr),
+			"[AVFS][fiji_avfs_event_mgr] Could not setup "
+			"Pwr Virus for AVFS ",
+			return -EINVAL);
+	PP_ASSERT_WITH_CODE(0 == fiji_start_avfs_btc(hwmgr),
+			"[AVFS][fiji_avfs_event_mgr] Failure at "
+			"fiji_start_avfs_btc. AVFS Disabled",
+			return -EINVAL);
 
-	case AVFS_BTC_BOOT: /*Cold Boot State - Post SMU Start*/
-		if (!smu_started)
-			break;
-		smu_data->avfs.avfs_btc_status = AVFS_BTC_FAILED;
-		PP_ASSERT_WITH_CODE(0 == fiji_setup_graphics_level_structure(hwmgr),
-				"[AVFS][fiji_avfs_event_mgr] Could not Copy Graphics Level"
-				" table over to SMU",
-				return -EINVAL;);
-		smu_data->avfs.avfs_btc_status = AVFS_BTC_VIRUS_FAIL;
-		PP_ASSERT_WITH_CODE(0 == smu7_setup_pwr_virus(hwmgr),
-				"[AVFS][fiji_avfs_event_mgr] Could not setup "
-				"Pwr Virus for AVFS ",
-				return -EINVAL;);
-		smu_data->avfs.avfs_btc_status = AVFS_BTC_FAILED;
-		PP_ASSERT_WITH_CODE(0 == fiji_start_avfs_btc(hwmgr),
-				"[AVFS][fiji_avfs_event_mgr] Failure at "
-				"fiji_start_avfs_btc. AVFS Disabled",
-				return -EINVAL;);
-
-		smu_data->avfs.avfs_btc_status = AVFS_BTC_ENABLEAVFS;
-		break;
-	case AVFS_BTC_DISABLED: /* Do nothing */
-	case AVFS_BTC_NOTSUPPORTED: /* Do nothing */
-	case AVFS_BTC_ENABLEAVFS:
-		break;
-	default:
-		pr_err("AVFS failed status is %x !\n", smu_data->avfs.avfs_btc_status);
-		break;
-	}
 	return 0;
 }
 
@@ -309,8 +287,6 @@ static int fiji_start_smu(struct pp_hwmgr *hwmgr)
 	/* Only start SMC if SMC RAM is not running */
 	if (!(smu7_is_smc_ram_running(hwmgr)
 		|| cgs_is_virtualization_enabled(hwmgr->device))) {
-		fiji_avfs_event_mgr(hwmgr, false);
-
 		/* Check if SMU is running in protected mode */
 		if (0 == PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device,
 				CGS_IND_REG__SMC,
@@ -323,7 +299,8 @@ static int fiji_start_smu(struct pp_hwmgr *hwmgr)
 			if (result)
 				return result;
 		}
-		fiji_avfs_event_mgr(hwmgr, true);
+		if (fiji_avfs_event_mgr(hwmgr))
+			hwmgr->avfs_supported = false;
 	}
 
 	/* To initialize all clock gating before RLC loaded and running.*/
@@ -2315,19 +2292,12 @@ static int fiji_thermal_setup_fan_table(struct pp_hwmgr *hwmgr)
 
 static int fiji_thermal_avfs_enable(struct pp_hwmgr *hwmgr)
 {
-	int ret;
-	struct smu7_smumgr *smu_data = (struct smu7_smumgr *)(hwmgr->smu_backend);
-
-	if (smu_data->avfs.avfs_btc_status != AVFS_BTC_ENABLEAVFS)
+	if (!hwmgr->avfs_supported)
 		return 0;
 
-	ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_EnableAvfs);
+	smum_send_msg_to_smc(hwmgr, PPSMC_MSG_EnableAvfs);
 
-	if (!ret)
-		/* If this param is not changed, this function could fire unnecessarily */
-		smu_data->avfs.avfs_btc_status = AVFS_BTC_COMPLETED_PREVIOUSLY;
-
-	return ret;
+	return 0;
 }
 
 static int fiji_program_mem_timing_parameters(struct pp_hwmgr *hwmgr)
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
index 632d1ca..0609acf 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
@@ -99,13 +99,13 @@ static int polaris10_perform_btc(struct pp_hwmgr *hwmgr)
 	int result = 0;
 	struct smu7_smumgr *smu_data = (struct smu7_smumgr *)(hwmgr->smu_backend);
 
-	if (0 != smu_data->avfs.avfs_btc_param) {
-		if (0 != smu7_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_PerformBtc, smu_data->avfs.avfs_btc_param)) {
+	if (0 != smu_data->avfs_btc_param) {
+		if (0 != smu7_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_PerformBtc, smu_data->avfs_btc_param)) {
 			pr_info("[AVFS][SmuPolaris10_PerformBtc] PerformBTC SMU msg failed");
 			result = -1;
 		}
 	}
-	if (smu_data->avfs.avfs_btc_param > 1) {
+	if (smu_data->avfs_btc_param > 1) {
 		/* Soft-Reset to reset the engine before loading uCode */
 		/* halt */
 		cgs_write_register(hwmgr->device, mmCP_MEC_CNTL, 0x50000000);
@@ -173,46 +173,25 @@ static int polaris10_setup_graphics_level_structure(struct pp_hwmgr *hwmgr)
 
 
 static int
-polaris10_avfs_event_mgr(struct pp_hwmgr *hwmgr, bool SMU_VFT_INTACT)
+polaris10_avfs_event_mgr(struct pp_hwmgr *hwmgr)
 {
 	struct smu7_smumgr *smu_data = (struct smu7_smumgr *)(hwmgr->smu_backend);
 
-	switch (smu_data->avfs.avfs_btc_status) {
-	case AVFS_BTC_COMPLETED_PREVIOUSLY:
-		break;
-
-	case AVFS_BTC_BOOT: /* Cold Boot State - Post SMU Start */
-
-		smu_data->avfs.avfs_btc_status = AVFS_BTC_DPMTABLESETUP_FAILED;
-		PP_ASSERT_WITH_CODE(0 == polaris10_setup_graphics_level_structure(hwmgr),
-			"[AVFS][Polaris10_AVFSEventMgr] Could not Copy Graphics Level table over to SMU",
-			return -EINVAL);
-
-		if (smu_data->avfs.avfs_btc_param > 1) {
-			pr_info("[AVFS][Polaris10_AVFSEventMgr] AC BTC has not been successfully verified on Fiji. There may be in this setting.");
-			smu_data->avfs.avfs_btc_status = AVFS_BTC_VIRUS_FAIL;
-			PP_ASSERT_WITH_CODE(0 == smu7_setup_pwr_virus(hwmgr),
-			"[AVFS][Polaris10_AVFSEventMgr] Could not setup Pwr Virus for AVFS ",
-			return -EINVAL);
-		}
+	PP_ASSERT_WITH_CODE(0 == polaris10_setup_graphics_level_structure(hwmgr),
+		"[AVFS][Polaris10_AVFSEventMgr] Could not Copy Graphics Level table over to SMU",
+		return -EINVAL);
 
-		smu_data->avfs.avfs_btc_status = AVFS_BTC_FAILED;
-		PP_ASSERT_WITH_CODE(0 == polaris10_perform_btc(hwmgr),
-					"[AVFS][Polaris10_AVFSEventMgr] Failure at SmuPolaris10_PerformBTC. AVFS Disabled",
-				 return -EINVAL);
-		smu_data->avfs.avfs_btc_status = AVFS_BTC_ENABLEAVFS;
-		break;
-
-	case AVFS_BTC_DISABLED:
-	case AVFS_BTC_ENABLEAVFS:
-	case AVFS_BTC_NOTSUPPORTED:
-		break;
-
-	default:
-		pr_err("AVFS failed status is %x!\n", smu_data->avfs.avfs_btc_status);
-		break;
+	if (smu_data->avfs_btc_param > 1) {
+		pr_info("[AVFS][Polaris10_AVFSEventMgr] AC BTC has not been successfully verified on Fiji. There may be in this setting.");
+		PP_ASSERT_WITH_CODE(0 == smu7_setup_pwr_virus(hwmgr),
+		"[AVFS][Polaris10_AVFSEventMgr] Could not setup Pwr Virus for AVFS ",
+		return -EINVAL);
 	}
 
+	PP_ASSERT_WITH_CODE(0 == polaris10_perform_btc(hwmgr),
+				"[AVFS][Polaris10_AVFSEventMgr] Failure at SmuPolaris10_PerformBTC. AVFS Disabled",
+			 return -EINVAL);
+
 	return 0;
 }
 
@@ -312,11 +291,10 @@ static int polaris10_start_smu(struct pp_hwmgr *hwmgr)
 {
 	int result = 0;
 	struct polaris10_smumgr *smu_data = (struct polaris10_smumgr *)(hwmgr->smu_backend);
-	bool SMU_VFT_INTACT;
 
 	/* Only start SMC if SMC RAM is not running */
-	if (!smu7_is_smc_ram_running(hwmgr)) {
-		SMU_VFT_INTACT = false;
+	if (!(smu7_is_smc_ram_running(hwmgr)
+		|| cgs_is_virtualization_enabled(hwmgr->device))) {
 		smu_data->protected_mode = (uint8_t) (PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, SMU_FIRMWARE, SMU_MODE));
 		smu_data->smu7_data.security_hard_key = (uint8_t) (PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, SMU_FIRMWARE, SMU_SEL));
 
@@ -337,11 +315,9 @@ static int polaris10_start_smu(struct pp_hwmgr *hwmgr)
 		if (result != 0)
 			PP_ASSERT_WITH_CODE(0, "Failed to load SMU ucode.", return result);
 
-		polaris10_avfs_event_mgr(hwmgr, true);
-	} else
-		SMU_VFT_INTACT = true; /*Driver went offline but SMU was still alive and contains the VFT table */
+		polaris10_avfs_event_mgr(hwmgr);
+	}
 
-	polaris10_avfs_event_mgr(hwmgr, SMU_VFT_INTACT);
 	/* Setup SoftRegsStart here for register lookup in case DummyBackEnd is used and ProcessFirmwareHeader is not executed */
 	smu7_read_smc_sram_dword(hwmgr, SMU7_FIRMWARE_HEADER_LOCATION + offsetof(SMU74_Firmware_Header, SoftRegisters),
 					&(smu_data->smu7_data.soft_regs_start), 0x40000);
@@ -1732,8 +1708,8 @@ static int polaris10_populate_avfs_parameters(struct pp_hwmgr *hwmgr)
 			table_info->vdd_dep_on_sclk;
 
 
-	if (((struct smu7_smumgr *)smu_data)->avfs.avfs_btc_status == AVFS_BTC_NOTSUPPORTED)
-		return result;
+	if (!hwmgr->avfs_supported)
+		return 0;
 
 	result = atomctrl_get_avfs_information(hwmgr, &avfs_params);
 
@@ -2070,24 +2046,17 @@ static int polaris10_program_mem_timing_parameters(struct pp_hwmgr *hwmgr)
 
 int polaris10_thermal_avfs_enable(struct pp_hwmgr *hwmgr)
 {
-	int ret;
-	struct smu7_smumgr *smu_data = (struct smu7_smumgr *)(hwmgr->smu_backend);
 	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
 
-	if (smu_data->avfs.avfs_btc_status == AVFS_BTC_NOTSUPPORTED)
+	if (!hwmgr->avfs_supported)
 		return 0;
 
-	ret = smum_send_msg_to_smc_with_parameter(hwmgr,
+	smum_send_msg_to_smc_with_parameter(hwmgr,
 			PPSMC_MSG_SetGBDroopSettings, data->avfs_vdroop_override_setting);
 
-	ret = (smum_send_msg_to_smc(hwmgr, PPSMC_MSG_EnableAvfs) == 0) ?
-			0 : -1;
+	smum_send_msg_to_smc(hwmgr, PPSMC_MSG_EnableAvfs);
 
-	if (!ret)
-		/* If this param is not changed, this function could fire unnecessarily */
-		smu_data->avfs.avfs_btc_status = AVFS_BTC_COMPLETED_PREVIOUSLY;
-
-	return ret;
+	return 0;
 }
 
 static int polaris10_thermal_setup_fan_table(struct pp_hwmgr *hwmgr)
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c
index dcb151c..0399c10 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c
@@ -629,9 +629,7 @@ int smu7_init(struct pp_hwmgr *hwmgr)
 	smu_data->smu_buffer.mc_addr = mc_addr;
 
 	if (smum_is_hw_avfs_present(hwmgr))
-		smu_data->avfs.avfs_btc_status = AVFS_BTC_BOOT;
-	else
-		smu_data->avfs.avfs_btc_status = AVFS_BTC_NOTSUPPORTED;
+		hwmgr->avfs_supported = true;
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.h b/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.h
index 64334a8..126d300 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.h
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.h
@@ -36,11 +36,6 @@ struct smu7_buffer_entry {
 	struct amdgpu_bo *handle;
 };
 
-struct smu7_avfs {
-	enum AVFS_BTC_STATUS avfs_btc_status;
-	uint32_t           avfs_btc_param;
-};
-
 struct smu7_smumgr {
 	uint8_t *header;
 	uint8_t *mec_image;
@@ -55,7 +50,7 @@ struct smu7_smumgr {
 	uint32_t                             ulv_setting_starts;
 	uint8_t                              security_hard_key;
 	uint32_t                             acpi_optimization;
-	struct smu7_avfs                     avfs;
+	uint32_t                             avfs_btc_param;
 };
 
 
-- 
2.7.4