[PATCH] drm/amd/pp: Skip fan attributes if fan not present

Rex Zhu Rex.Zhu at amd.com
Fri Apr 27 05:52:47 UTC 2018


With powerplay enabled, also need to skip fan attributes
if no fan present.

Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c      | 21 ++++++++-------------
 drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c |  3 +++
 2 files changed, 11 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index d9802d9..2c82126 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -1364,19 +1364,14 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj,
 	struct amdgpu_device *adev = dev_get_drvdata(dev);
 	umode_t effective_mode = attr->mode;
 
-	/* handle non-powerplay limitations */
-	if (!adev->powerplay.pp_handle) {
-		/* Skip fan attributes if fan is not present */
-		if (adev->pm.no_fan &&
-		    (attr == &sensor_dev_attr_pwm1.dev_attr.attr ||
-		     attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr ||
-		     attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
-		     attr == &sensor_dev_attr_pwm1_min.dev_attr.attr))
-			return 0;
-		/* requires powerplay */
-		if (attr == &sensor_dev_attr_fan1_input.dev_attr.attr)
-			return 0;
-	}
+
+	/* Skip fan attributes if fan is not present */
+	if (adev->pm.no_fan && (attr == &sensor_dev_attr_pwm1.dev_attr.attr ||
+	    attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr ||
+	    attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
+	    attr == &sensor_dev_attr_pwm1_min.dev_attr.attr ||
+	    attr == &sensor_dev_attr_fan1_input.dev_attr.attr))
+		return 0;
 
 	/* Skip limit attributes if DPM is not enabled */
 	if (!adev->pm.dpm_enabled &&
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
index d1052b5..43f0ea8 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
@@ -223,6 +223,9 @@ int hwmgr_hw_init(struct pp_hwmgr *hwmgr)
 	if (ret)
 		goto err;
 
+	((struct amdgpu_device *)hwmgr->adev)->pm.no_fan =
+				hwmgr->thermal_controller.fanInfo.bNoFan;
+
 	ret = hwmgr->hwmgr_func->backend_init(hwmgr);
 	if (ret)
 		goto err1;
-- 
1.9.1



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