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drm/amd/powerplay: implement sysfs of amdgpu_get_busy_percent for smu11

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add interface amdgpu_get_busy_percent for smu11

v2: convert data pointer type to uint32_t *.

Signed-off-by: Kevin Wang <Kevin1.Wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Kevin Wang
2019-01-11 14:51:24 +08:00
committed by Alex Deucher
parent dc8e3a0c8e
commit 4a5a2de666
5 changed files with 74 additions and 46 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
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@@ -568,10 +568,9 @@ static ssize_t amdgpu_debugfs_sensor_read(struct file *f, char __user *buf,
idx = *pos >> 2;
valuesize = sizeof(values);
if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->read_sensor)
r = amdgpu_dpm_read_sensor(adev, idx, &values[0], &valuesize);
else
return -EINVAL;
r = amdgpu_dpm_read_sensor(adev, idx, &values[0], &valuesize);
if (r)
return r;
if (size > valuesize)
return -EINVAL;