From 4130ff8027dd679a6f2e45c26fb95860e6d235a3 Mon Sep 17 00:00:00 2001
From: Evan Quan <evan.quan@amd.com>
Date: Fri, 21 Jun 2019 09:46:14 +0800
Subject: [PATCH] drm/amd/powerplay: no memory activity support on Vega10
Make mem_busy_percent sysfs interface invisible on Vega10.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@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 704c7034da09d..193d53720d9ba 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -2886,7 +2886,8 @@ 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) {
@@ -2966,7 +2967,8 @@ 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);
--
2.30.2