[PATCH 1/2] drm/amd/powerplay: update OD support flag for SKU with no OD capabilities

[PATCH 1/2] drm/amd/powerplay: update OD support flag for SKU with no OD capabilities

[Evan Quan]

For those ASICs with no overdrive capabilities, the OD support flag
will be reset.

Change-Id: I8b75ad27ec0035b80de555840ba496bc273fee08
Signed-off-by: Evan Quan <evan.quan@amd.com>
---
 drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
index 25b8742f51c5..ea0939ad3316 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
@@ -980,6 +980,9 @@ static int vega20_od8_set_feature_capabilities(
 	    pp_table->FanZeroRpmEnable)
 		od_settings->overdrive8_capabilities |= OD8_FAN_ZERO_RPM_CONTROL;
 
+	if (!od_settings->overdrive8_capabilities)
+		hwmgr->od_enabled = false;
+
 	return 0;
 }
 
-- 
2.20.1

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[PATCH 2/2] drm/amd/powerplay: create pp_od_clk_voltage device file under OD support

[Evan Quan]

Since pp_od_clk_voltage device file is for OD related sysfs operations.

Change-Id: I13e95b4bd2ffb93b1cd5d272dd27171ab38dbe57
Signed-off-by: Evan Quan <evan.quan@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 32aa4d09e12d..d8f3f006f5c0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -2061,6 +2061,7 @@ void amdgpu_pm_print_power_states(struct amdgpu_device *adev)
 
 int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
 {
+	struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;
 	int ret;
 
 	if (adev->pm.sysfs_initialized)
@@ -2144,12 +2145,14 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
 				"pp_power_profile_mode\n");
 		return ret;
 	}
-	ret = device_create_file(adev->dev,
-			&dev_attr_pp_od_clk_voltage);
-	if (ret) {
-		DRM_ERROR("failed to create device file	"
-				"pp_od_clk_voltage\n");
-		return ret;
+	if (hwmgr->od_enabled) {
+		ret = device_create_file(adev->dev,
+				&dev_attr_pp_od_clk_voltage);
+		if (ret) {
+			DRM_ERROR("failed to create device file	"
+					"pp_od_clk_voltage\n");
+			return ret;
+		}
 	}
 	ret = device_create_file(adev->dev,
 			&dev_attr_gpu_busy_percent);
@@ -2171,6 +2174,8 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
 
 void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev)
 {
+	struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;
+
 	if (adev->pm.dpm_enabled == 0)
 		return;
 
@@ -2191,8 +2196,9 @@ void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev)
 	device_remove_file(adev->dev, &dev_attr_pp_mclk_od);
 	device_remove_file(adev->dev,
 			&dev_attr_pp_power_profile_mode);
-	device_remove_file(adev->dev,
-			&dev_attr_pp_od_clk_voltage);
+	if (hwmgr->od_enabled)
+		device_remove_file(adev->dev,
+				&dev_attr_pp_od_clk_voltage);
 	device_remove_file(adev->dev, &dev_attr_gpu_busy_percent);
 }
 
-- 
2.20.1

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Re: [PATCH 2/2] drm/amd/powerplay: create pp_od_clk_voltage device file under OD support

[Deucher, Alexander]

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Series is:

Reviewed-by: Alex Deucher <alexander.deucher-5C7GfCeVMHo@public.gmane.org>

________________________________
From: amd-gfx <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org> on behalf of Evan Quan <evan.quan-5C7GfCeVMHo@public.gmane.org>
Sent: Monday, January 7, 2019 7:05:56 AM
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Cc: Deucher, Alexander; Quan, Evan; Freehill, Chris
Subject: [PATCH 2/2] drm/amd/powerplay: create pp_od_clk_voltage device file under OD support

Since pp_od_clk_voltage device file is for OD related sysfs operations.

Change-Id: I13e95b4bd2ffb93b1cd5d272dd27171ab38dbe57
Signed-off-by: Evan Quan <evan.quan-5C7GfCeVMHo@public.gmane.org>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 32aa4d09e12d..d8f3f006f5c0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -2061,6 +2061,7 @@ void amdgpu_pm_print_power_states(struct amdgpu_device *adev)

 int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
 {
+       struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;
         int ret;

         if (adev->pm.sysfs_initialized)
@@ -2144,12 +2145,14 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
                                 "pp_power_profile_mode\n");
                 return ret;
         }
-       ret = device_create_file(adev->dev,
-                       &dev_attr_pp_od_clk_voltage);
-       if (ret) {
-               DRM_ERROR("failed to create device file "
-                               "pp_od_clk_voltage\n");
-               return ret;
+       if (hwmgr->od_enabled) {
+               ret = device_create_file(adev->dev,
+                               &dev_attr_pp_od_clk_voltage);
+               if (ret) {
+                       DRM_ERROR("failed to create device file "
+                                       "pp_od_clk_voltage\n");
+                       return ret;
+               }
         }
         ret = device_create_file(adev->dev,
                         &dev_attr_gpu_busy_percent);
@@ -2171,6 +2174,8 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)

 void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev)
 {
+       struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;
+
         if (adev->pm.dpm_enabled == 0)
                 return;

@@ -2191,8 +2196,9 @@ void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev)
         device_remove_file(adev->dev, &dev_attr_pp_mclk_od);
         device_remove_file(adev->dev,
                         &dev_attr_pp_power_profile_mode);
-       device_remove_file(adev->dev,
-                       &dev_attr_pp_od_clk_voltage);
+       if (hwmgr->od_enabled)
+               device_remove_file(adev->dev,
+                               &dev_attr_pp_od_clk_voltage);
         device_remove_file(adev->dev, &dev_attr_gpu_busy_percent);
 }

--
2.20.1

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