drm/amdgpu: support per device powerplay enablement (v2)

The amdgu_powerplay variable is global for multiple GPU instances.

v2: fold in Flora's module option change, protect adev reference in
macros

Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu.h

@@ -2040,6 +2040,7 @@ struct amdgpu_device {
 
 	/* powerplay */
 	struct amd_powerplay		powerplay;
+	bool				pp_enabled;
 
 	/* dpm */
 	struct amdgpu_pm		pm;
@@ -2268,58 +2269,58 @@ amdgpu_get_sdma_instance(struct amdgpu_ring *ring)
 #define amdgpu_dpm_enable_bapm(adev, e) (adev)->pm.funcs->enable_bapm((adev), (e))
 
 #define amdgpu_dpm_get_temperature(adev) \
-		amdgpu_powerplay ? \
+	(adev)->pp_enabled ?						\
 	      (adev)->powerplay.pp_funcs->get_temperature((adev)->powerplay.pp_handle) : \
 	      (adev)->pm.funcs->get_temperature((adev))
 
 #define amdgpu_dpm_set_fan_control_mode(adev, m) \
-		amdgpu_powerplay ? \
+	(adev)->pp_enabled ?						\
 	      (adev)->powerplay.pp_funcs->set_fan_control_mode((adev)->powerplay.pp_handle, (m)) : \
 	      (adev)->pm.funcs->set_fan_control_mode((adev), (m))
 
 #define amdgpu_dpm_get_fan_control_mode(adev) \
-		amdgpu_powerplay ? \
+	(adev)->pp_enabled ?						\
 	      (adev)->powerplay.pp_funcs->get_fan_control_mode((adev)->powerplay.pp_handle) : \
 	      (adev)->pm.funcs->get_fan_control_mode((adev))
 
 #define amdgpu_dpm_set_fan_speed_percent(adev, s) \
-		amdgpu_powerplay ? \
+	(adev)->pp_enabled ?						\
 	      (adev)->powerplay.pp_funcs->set_fan_speed_percent((adev)->powerplay.pp_handle, (s)) : \
 	      (adev)->pm.funcs->set_fan_speed_percent((adev), (s))
 
 #define amdgpu_dpm_get_fan_speed_percent(adev, s) \
-		amdgpu_powerplay ? \
+	(adev)->pp_enabled ?						\
 	      (adev)->powerplay.pp_funcs->get_fan_speed_percent((adev)->powerplay.pp_handle, (s)) : \
 	      (adev)->pm.funcs->get_fan_speed_percent((adev), (s))
 
 #define amdgpu_dpm_get_sclk(adev, l) \
-		amdgpu_powerplay ? \
+	(adev)->pp_enabled ?						\
 	      (adev)->powerplay.pp_funcs->get_sclk((adev)->powerplay.pp_handle, (l)) : \
 		(adev)->pm.funcs->get_sclk((adev), (l))
 
 #define amdgpu_dpm_get_mclk(adev, l)  \
-		amdgpu_powerplay ? \
+	(adev)->pp_enabled ?						\
 	      (adev)->powerplay.pp_funcs->get_mclk((adev)->powerplay.pp_handle, (l)) : \
 	      (adev)->pm.funcs->get_mclk((adev), (l))
 
 
 #define amdgpu_dpm_force_performance_level(adev, l) \
-		amdgpu_powerplay ? \
+	(adev)->pp_enabled ?						\
 	      (adev)->powerplay.pp_funcs->force_performance_level((adev)->powerplay.pp_handle, (l)) : \
 	      (adev)->pm.funcs->force_performance_level((adev), (l))
 
 #define amdgpu_dpm_powergate_uvd(adev, g) \
-		amdgpu_powerplay ? \
+	(adev)->pp_enabled ?						\
 	      (adev)->powerplay.pp_funcs->powergate_uvd((adev)->powerplay.pp_handle, (g)) : \
 	      (adev)->pm.funcs->powergate_uvd((adev), (g))
 
 #define amdgpu_dpm_powergate_vce(adev, g) \
-		amdgpu_powerplay ? \
+	(adev)->pp_enabled ?						\
 	      (adev)->powerplay.pp_funcs->powergate_vce((adev)->powerplay.pp_handle, (g)) : \
 	      (adev)->pm.funcs->powergate_vce((adev), (g))
 
 #define amdgpu_dpm_debugfs_print_current_performance_level(adev, m) \
-		amdgpu_powerplay ? \
+	(adev)->pp_enabled ?						\
 	      (adev)->powerplay.pp_funcs->print_current_performance_level((adev)->powerplay.pp_handle, (m)) : \
 	      (adev)->pm.funcs->debugfs_print_current_performance_level((adev), (m))
 

drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c

@@ -82,7 +82,7 @@ int amdgpu_enable_scheduler = 1;
 int amdgpu_sched_jobs = 32;
 int amdgpu_sched_hw_submission = 2;
 int amdgpu_enable_semaphores = 0;
-int amdgpu_powerplay = 0;
+int amdgpu_powerplay = -1;
 
 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
 module_param_named(vramlimit, amdgpu_vram_limit, int, 0600);
@@ -166,7 +166,7 @@ MODULE_PARM_DESC(enable_semaphores, "Enable semaphores (1 = enable, 0 = disable
 module_param_named(enable_semaphores, amdgpu_enable_semaphores, int, 0644);
 
 #ifdef CONFIG_DRM_AMD_POWERPLAY
-MODULE_PARM_DESC(powerplay, "Powerplay component (1 = enable, 0 = disable (default))");
+MODULE_PARM_DESC(powerplay, "Powerplay component (1 = enable, 0 = disable, -1 = auto (default))");
 module_param_named(powerplay, amdgpu_powerplay, int, 0444);
 #endif
 

drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c

@@ -36,7 +36,7 @@ static int amdgpu_debugfs_pm_init(struct amdgpu_device *adev);
 
 void amdgpu_pm_acpi_event_handler(struct amdgpu_device *adev)
 {
-	if (amdgpu_powerplay)
+	if (adev->pp_enabled)
 		/* TODO */
 		return;
 
@@ -60,7 +60,7 @@ static ssize_t amdgpu_get_dpm_state(struct device *dev,
 	struct amdgpu_device *adev = ddev->dev_private;
 	enum amd_pm_state_type pm;
 
-	if (amdgpu_powerplay) {
+	if (adev->pp_enabled) {
 		pm = amdgpu_dpm_get_current_power_state(adev);
 	} else
 		pm = adev->pm.dpm.user_state;
@@ -90,7 +90,7 @@ static ssize_t amdgpu_set_dpm_state(struct device *dev,
 		goto fail;
 	}
 
-	if (amdgpu_powerplay) {
+	if (adev->pp_enabled) {
 		amdgpu_dpm_dispatch_task(adev, AMD_PP_EVENT_ENABLE_USER_STATE, &state, NULL);
 	} else {
 		mutex_lock(&adev->pm.mutex);
@@ -113,7 +113,7 @@ static ssize_t amdgpu_get_dpm_forced_performance_level(struct device *dev,
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = ddev->dev_private;
 
-	if (amdgpu_powerplay) {
+	if (adev->pp_enabled) {
 		enum amd_dpm_forced_level level;
 
 		level = amdgpu_dpm_get_performance_level(adev);
@@ -151,7 +151,7 @@ static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev,
 		goto fail;
 	}
 
-	if (amdgpu_powerplay)
+	if (adev->pp_enabled)
 		amdgpu_dpm_force_performance_level(adev, level);
 	else {
 		mutex_lock(&adev->pm.mutex);
@@ -184,7 +184,7 @@ static ssize_t amdgpu_hwmon_show_temp(struct device *dev,
 	struct amdgpu_device *adev = dev_get_drvdata(dev);
 	int temp;
 
-	if (!amdgpu_powerplay && !adev->pm.funcs->get_temperature)
+	if (!adev->pp_enabled && !adev->pm.funcs->get_temperature)
 		temp = 0;
 	else
 		temp = amdgpu_dpm_get_temperature(adev);
@@ -215,7 +215,7 @@ static ssize_t amdgpu_hwmon_get_pwm1_enable(struct device *dev,
 	struct amdgpu_device *adev = dev_get_drvdata(dev);
 	u32 pwm_mode = 0;
 
-	if (!amdgpu_powerplay && !adev->pm.funcs->get_fan_control_mode)
+	if (!adev->pp_enabled && !adev->pm.funcs->get_fan_control_mode)
 		return -EINVAL;
 
 	pwm_mode = amdgpu_dpm_get_fan_control_mode(adev);
@@ -233,7 +233,7 @@ static ssize_t amdgpu_hwmon_set_pwm1_enable(struct device *dev,
 	int err;
 	int value;
 
-	if (!amdgpu_powerplay && !adev->pm.funcs->set_fan_control_mode)
+	if (!adev->pp_enabled && !adev->pm.funcs->set_fan_control_mode)
 		return -EINVAL;
 
 	err = kstrtoint(buf, 10, &value);
@@ -340,7 +340,7 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj,
 	     attr == &sensor_dev_attr_pwm1_min.dev_attr.attr))
 		return 0;
 
-	if (amdgpu_powerplay)
+	if (adev->pp_enabled)
 		return effective_mode;
 
 	/* Skip fan attributes if fan is not present */
@@ -674,7 +674,7 @@ done:
 
 void amdgpu_dpm_enable_uvd(struct amdgpu_device *adev, bool enable)
 {
-	if (amdgpu_powerplay)
+	if (adev->pp_enabled)
 		amdgpu_dpm_powergate_uvd(adev, !enable);
 	else {
 		if (adev->pm.funcs->powergate_uvd) {
@@ -701,7 +701,7 @@ void amdgpu_dpm_enable_uvd(struct amdgpu_device *adev, bool enable)
 
 void amdgpu_dpm_enable_vce(struct amdgpu_device *adev, bool enable)
 {
-	if (amdgpu_powerplay)
+	if (adev->pp_enabled)
 		amdgpu_dpm_powergate_vce(adev, !enable);
 	else {
 		if (adev->pm.funcs->powergate_vce) {
@@ -729,7 +729,7 @@ void amdgpu_pm_print_power_states(struct amdgpu_device *adev)
 {
 	int i;
 
-	if (amdgpu_powerplay)
+	if (adev->pp_enabled)
 		/* TO DO */
 		return;
 
@@ -745,7 +745,7 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
 	if (adev->pm.sysfs_initialized)
 		return 0;
 
-	if (!amdgpu_powerplay) {
+	if (!adev->pp_enabled) {
 		if (adev->pm.funcs->get_temperature == NULL)
 			return 0;
 	}
@@ -798,7 +798,7 @@ void amdgpu_pm_compute_clocks(struct amdgpu_device *adev)
 	if (!adev->pm.dpm_enabled)
 		return;
 
-	if (amdgpu_powerplay) {
+	if (adev->pp_enabled) {
 		int i = 0;
 
 		amdgpu_display_bandwidth_update(adev);
@@ -852,7 +852,7 @@ static int amdgpu_debugfs_pm_info(struct seq_file *m, void *data)
 		seq_printf(m, "dpm not enabled\n");
 		return 0;
 	}
-	if (amdgpu_powerplay) {
+	if (adev->pp_enabled) {
 		amdgpu_dpm_debugfs_print_current_performance_level(adev, m);
 	} else {
 		mutex_lock(&adev->pm.mutex);

drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c

@@ -40,7 +40,7 @@ static int amdgpu_powerplay_init(struct amdgpu_device *adev)
 
 	amd_pp = &(adev->powerplay);
 
-	if (amdgpu_powerplay) {
+	if (adev->pp_enabled) {
 #ifdef CONFIG_DRM_AMD_POWERPLAY
 		struct amd_pp_init *pp_init;
 
@@ -100,11 +100,14 @@ static int amdgpu_pp_early_init(void *handle)
 	switch (adev->asic_type) {
 		case CHIP_TONGA:
 		case CHIP_FIJI:
-			amdgpu_powerplay = 1;
+			adev->pp_enabled = (amdgpu_powerplay == 0) ? false : true;
 			break;
 		default:
+			adev->pp_enabled = (amdgpu_powerplay > 0) ? true : false;
 			break;
 	}
+#else
+	adev->pp_enabled = false;
 #endif
 
 	ret = amdgpu_powerplay_init(adev);
@@ -127,7 +130,7 @@ static int amdgpu_pp_sw_init(void *handle)
 					adev->powerplay.pp_handle);
 
 #ifdef CONFIG_DRM_AMD_POWERPLAY
-	if (amdgpu_powerplay) {
+	if (adev->pp_enabled) {
 		adev->pm.dpm_enabled = true;
 		amdgpu_pm_sysfs_init(adev);
 	}
@@ -148,7 +151,7 @@ static int amdgpu_pp_sw_fini(void *handle)
 		return ret;
 
 #ifdef CONFIG_DRM_AMD_POWERPLAY
-	if (amdgpu_powerplay) {
+	if (adev->pp_enabled) {
 		amdgpu_pm_sysfs_fini(adev);
 		amd_powerplay_fini(adev->powerplay.pp_handle);
 	}
@@ -162,7 +165,7 @@ static int amdgpu_pp_hw_init(void *handle)
 	int ret = 0;
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
-	if (amdgpu_powerplay && adev->firmware.smu_load)
+	if (adev->pp_enabled && adev->firmware.smu_load)
 		amdgpu_ucode_init_bo(adev);
 
 	if (adev->powerplay.ip_funcs->hw_init)
@@ -181,7 +184,7 @@ static int amdgpu_pp_hw_fini(void *handle)
 		ret = adev->powerplay.ip_funcs->hw_fini(
 					adev->powerplay.pp_handle);
 
-	if (amdgpu_powerplay && adev->firmware.smu_load)
+	if (adev->pp_enabled && adev->firmware.smu_load)
 		amdgpu_ucode_fini_bo(adev);
 
 	return ret;

drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c

@@ -2902,7 +2902,7 @@ static int gfx_v8_0_rlc_resume(struct amdgpu_device *adev)
 
 	gfx_v8_0_rlc_reset(adev);
 
-	if (!amdgpu_powerplay) {
+	if (!adev->pp_enabled) {
 		if (!adev->firmware.smu_load) {
 			/* legacy rlc firmware loading */
 			r = gfx_v8_0_rlc_load_microcode(adev);
@@ -3804,7 +3804,7 @@ static int gfx_v8_0_cp_resume(struct amdgpu_device *adev)
 	if (!(adev->flags & AMD_IS_APU))
 		gfx_v8_0_enable_gui_idle_interrupt(adev, false);
 
-	if (!amdgpu_powerplay) {
+	if (!adev->pp_enabled) {
 		if (!adev->firmware.smu_load) {
 			/* legacy firmware loading */
 			r = gfx_v8_0_cp_gfx_load_microcode(adev);

drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c

@@ -727,7 +727,7 @@ static int sdma_v3_0_start(struct amdgpu_device *adev)
 {
 	int r, i;
 
-	if (!amdgpu_powerplay) {
+	if (!adev->pp_enabled) {
 		if (!adev->firmware.smu_load) {
 			r = sdma_v3_0_load_microcode(adev);
 			if (r)