RE: [PATCH 2/4] drm/amd/powerplay: expose supported clock domains only through sysfs

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Bascially, we should not expose the sysfs interface for those features not supported by the ASIC.

As, there are some tools/tests which judges whether the feature is supported by the existence of the file.

This can fix some test failure in rocm test suit.

 

Regards,

Evan

From: Wang, Kevin(Yang) <Kevin1.Wang@xxxxxxx>
Sent: Friday, August 16, 2019 3:16 PM
To: Quan, Evan <Evan.Quan@xxxxxxx>; amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Subject: Re: [PATCH 2/4] drm/amd/powerplay: expose supported clock domains only through sysfs

 

I don't recommend it. What's the problem if we keep it the way it is?

maybe other asic also has same problems, if do it, the other asic should  add a condition in there too.

eg: navi10 don't support sensor of  "pp_dpm_pcie".

 

Best Regards,
Kevin


From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> on behalf of Evan Quan <evan.quan@xxxxxxx>
Sent: Friday, August 16, 2019 2:08 PM
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx <amd-gfx@xxxxxxxxxxxxxxxxxxxxx>
Cc: Quan, Evan <Evan.Quan@xxxxxxx>
Subject: [PATCH 2/4] drm/amd/powerplay: expose supported clock domains only through sysfs

 

Do not expose those unsupported clock domains through sysfs on
Arcturus.

Change-Id: I526e7bd457fdcd8c79d4581bb9b77e5cb57f5844
Signed-off-by: Evan Quan <evan.quan@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 26 ++++++++++++++++----------
 1 file changed, 16 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index c5642be9b44b..7accf2c7f8cd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -2879,10 +2879,12 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
                         DRM_ERROR("failed to create device file pp_dpm_socclk\n");
                         return ret;
                 }
-               ret = device_create_file(adev->dev, &dev_attr_pp_dpm_dcefclk);
-               if (ret) {
-                       DRM_ERROR("failed to create device file pp_dpm_dcefclk\n");
-                       return ret;
+               if (adev->asic_type != CHIP_ARCTURUS) {
+                       ret = device_create_file(adev->dev, &dev_attr_pp_dpm_dcefclk);
+                       if (ret) {
+                               DRM_ERROR("failed to create device file pp_dpm_dcefclk\n");
+                               return ret;
+                       }
                 }
         }
         if (adev->asic_type >= CHIP_VEGA20) {
@@ -2892,10 +2894,12 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
                         return ret;
                 }
         }
-       ret = device_create_file(adev->dev, &dev_attr_pp_dpm_pcie);
-       if (ret) {
-               DRM_ERROR("failed to create device file pp_dpm_pcie\n");
-               return ret;
+       if (adev->asic_type != CHIP_ARCTURUS) {
+               ret = device_create_file(adev->dev, &dev_attr_pp_dpm_pcie);
+               if (ret) {
+                       DRM_ERROR("failed to create device file pp_dpm_pcie\n");
+                       return ret;
+               }
         }
         ret = device_create_file(adev->dev, &dev_attr_pp_sclk_od);
         if (ret) {
@@ -2999,9 +3003,11 @@ void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev)
         device_remove_file(adev->dev, &dev_attr_pp_dpm_mclk);
         if (adev->asic_type >= CHIP_VEGA10) {
                 device_remove_file(adev->dev, &dev_attr_pp_dpm_socclk);
-               device_remove_file(adev->dev, &dev_attr_pp_dpm_dcefclk);
+               if (adev->asic_type != CHIP_ARCTURUS)
+                       device_remove_file(adev->dev, &dev_attr_pp_dpm_dcefclk);
         }
-       device_remove_file(adev->dev, &dev_attr_pp_dpm_pcie);
+       if (adev->asic_type != CHIP_ARCTURUS)
+               device_remove_file(adev->dev, &dev_attr_pp_dpm_pcie);
         if (adev->asic_type >= CHIP_VEGA20)
                 device_remove_file(adev->dev, &dev_attr_pp_dpm_fclk);
         device_remove_file(adev->dev, &dev_attr_pp_sclk_od);
--
2.22.0

_______________________________________________
amd-gfx mailing list
amd-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/amd-gfx

_______________________________________________
amd-gfx mailing list
amd-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/amd-gfx

[Index of Archives]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux