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From cba61490ee35e59fac852328417517535715f572 Mon Sep 17 00:00:00 2001
From: Rex Zhu <Rex.Zhu@amd.com>
Date: Tue, 10 Nov 2015 18:29:11 -0500
Subject: [PATCH 0077/1110] drm/amdgpu: enable sysfs interface for powerplay
Same interface exposed in pre-powerplay dpm code.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 20 +++++++++++---------
1 file changed, 11 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 534bfac..754c169 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -184,10 +184,10 @@ static ssize_t amdgpu_hwmon_show_temp(struct device *dev,
struct amdgpu_device *adev = dev_get_drvdata(dev);
int temp;
- if (adev->pm.funcs->get_temperature)
- temp = amdgpu_dpm_get_temperature(adev);
- else
+ if (!amdgpu_powerplay && !adev->pm.funcs->get_temperature)
temp = 0;
+ else
+ temp = amdgpu_dpm_get_temperature(adev);
return snprintf(buf, PAGE_SIZE, "%d\n", temp);
}
@@ -215,8 +215,10 @@ static ssize_t amdgpu_hwmon_get_pwm1_enable(struct device *dev,
struct amdgpu_device *adev = dev_get_drvdata(dev);
u32 pwm_mode = 0;
- if (adev->pm.funcs->get_fan_control_mode)
- pwm_mode = amdgpu_dpm_get_fan_control_mode(adev);
+ if (!amdgpu_powerplay && !adev->pm.funcs->get_fan_control_mode)
+ return -EINVAL;
+
+ pwm_mode = amdgpu_dpm_get_fan_control_mode(adev);
/* never 0 (full-speed), fuse or smc-controlled always */
return sprintf(buf, "%i\n", pwm_mode == FDO_PWM_MODE_STATIC ? 1 : 2);
@@ -231,7 +233,7 @@ static ssize_t amdgpu_hwmon_set_pwm1_enable(struct device *dev,
int err;
int value;
- if (!adev->pm.funcs->set_fan_control_mode)
+ if (!amdgpu_powerplay && !adev->pm.funcs->set_fan_control_mode)
return -EINVAL;
err = kstrtoint(buf, 10, &value);
@@ -328,9 +330,6 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj,
struct amdgpu_device *adev = dev_get_drvdata(dev);
umode_t effective_mode = attr->mode;
- if (amdgpu_powerplay)
- return 0; /* to do */
-
/* Skip limit attributes if DPM is not enabled */
if (!adev->pm.dpm_enabled &&
(attr == &sensor_dev_attr_temp1_crit.dev_attr.attr ||
@@ -341,6 +340,9 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj,
attr == &sensor_dev_attr_pwm1_min.dev_attr.attr))
return 0;
+ if (amdgpu_powerplay)
+ return effective_mode;
+
/* Skip fan attributes if fan is not present */
if (adev->pm.no_fan &&
(attr == &sensor_dev_attr_pwm1.dev_attr.attr ||
--
2.7.4
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