[PATCH] drm/amd/powerplay: no memory activity support on Vega10

[Evan Quan]

Make mem_busy_percent sysfs interface invisible on Vega10.

Change-Id: Ie39c3217b497a110b0b16e1b08033029bdcf2fc8
Signed-off-by: Evan Quan <evan.quan at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 7ed84736ccc9..bcf6e089dc2e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -2945,7 +2945,8 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
 		return ret;
 	}
 	/* APU does not have its own dedicated memory */
-	if (!(adev->flags & AMD_IS_APU)) {
+	if (!(adev->flags & AMD_IS_APU) &&
+	     (adev->asic_type != CHIP_VEGA10)) {
 		ret = device_create_file(adev->dev,
 				&dev_attr_mem_busy_percent);
 		if (ret) {
@@ -3025,7 +3026,8 @@ void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev)
 		device_remove_file(adev->dev,
 				&dev_attr_pp_od_clk_voltage);
 	device_remove_file(adev->dev, &dev_attr_gpu_busy_percent);
-	if (!(adev->flags & AMD_IS_APU))
+	if (!(adev->flags & AMD_IS_APU) &&
+	     (adev->asic_type != CHIP_VEGA10))
 		device_remove_file(adev->dev, &dev_attr_mem_busy_percent);
 	if (!(adev->flags & AMD_IS_APU))
 		device_remove_file(adev->dev, &dev_attr_pcie_bw);
-- 
2.21.0