From 1c6590746d29b0f3a2316009ef84a4f11bc8f219 Mon Sep 17 00:00:00 2001
From: Guchun Chen <guchun.chen@amd.com>
Date: Thu, 14 Jul 2022 15:32:51 +0800
Subject: drm/amdgpu: introduce runtime pm mode
Git-commit: 50fe04d46aab77cf8fc3d48fbc38d872d181a849
Patch-mainline: v6.0-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225 jsc#PED-2849

It can benefit code consistency in future.

Suggested-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 6 +++++-
 drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h | 9 +++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 6de63ea6687e..fbbcdbdbe65a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -161,10 +161,12 @@ int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags)
 	if (amdgpu_device_supports_px(dev) &&
 	    (amdgpu_runtime_pm != 0)) { /* enable runpm by default for atpx */
 		adev->runpm = true;
+		adev->pm.rpm_mode = AMDGPU_RUNPM_PX;
 		dev_info(adev->dev, "Using ATPX for runtime pm\n");
 	} else if (amdgpu_device_supports_boco(dev) &&
 		   (amdgpu_runtime_pm != 0)) { /* enable runpm by default for boco */
 		adev->runpm = true;
+		adev->pm.rpm_mode = AMDGPU_RUNPM_BOCO;
 		dev_info(adev->dev, "Using BOCO for runtime pm\n");
 	} else if (amdgpu_device_supports_baco(dev) &&
 		   (amdgpu_runtime_pm != 0)) {
@@ -188,8 +190,10 @@ int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags)
 
 		amdgpu_runtime_pm_quirk(adev);
 
-		if (adev->runpm)
+		if (adev->runpm) {
+			adev->pm.rpm_mode = AMDGPU_RUNPM_BACO;
 			dev_info(adev->dev, "Using BACO for runtime pm\n");
+		}
 	}
 
 	/* Call ACPI methods: require modeset init
diff --git a/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h b/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h
index 524fb09437e5..65624d091ed2 100644
--- a/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h
+++ b/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h
@@ -45,6 +45,13 @@ enum amdgpu_int_thermal_type {
 	THERMAL_TYPE_KV,
 };
 
+enum amdgpu_runpm_mode {
+	AMDGPU_RUNPM_NONE,
+	AMDGPU_RUNPM_PX,
+	AMDGPU_RUNPM_BOCO,
+	AMDGPU_RUNPM_BACO,
+};
+
 struct amdgpu_ps {
 	u32 caps; /* vbios flags */
 	u32 class; /* vbios flags */
@@ -355,6 +362,8 @@ struct amdgpu_pm {
 	struct amdgpu_ctx       *stable_pstate_ctx;
 
 	struct config_table_setting config_table;
+	/* runtime mode */
+	enum amdgpu_runpm_mode rpm_mode;
 };
 
 int amdgpu_dpm_read_sensor(struct amdgpu_device *adev, enum amd_pp_sensors sensor,
-- 
2.38.1