diff options
| author | Kevin Wang <Kevin1.Wang@amd.com> | 2019-01-11 15:07:52 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-03-19 15:03:57 -0500 |
| commit | 289921b03fe5e288cf924a52018f075e1b94f446 (patch) | |
| tree | 97b646e382d62c943ec3516aea53f030caa0543c /drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | |
| parent | 4a5a2de66686e317ddcb090e3b1ee45b4219003a (diff) | |
drm/amd/powerplay: implement sysfs of pp_table for smu11 (v2)
add pp_table sysfs interface for new sw-smu.
get: return pptable raw data
set: write pptable raw data to pptable, then reset smu (hw_fini -> hw_init)
v2: fix mutex lock issue
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index e2d423528135..7a9e658c42ad 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -464,7 +464,12 @@ static ssize_t amdgpu_get_pp_table(struct device *dev, char *table = NULL; int size; - if (adev->powerplay.pp_funcs->get_pp_table) + if (is_support_sw_smu(adev)) { + size = smu_sys_get_pp_table(&adev->smu, (void **)&table); + if (size < 0) + return size; + } + else if (adev->powerplay.pp_funcs->get_pp_table) size = amdgpu_dpm_get_pp_table(adev, &table); else return 0; @@ -484,8 +489,13 @@ static ssize_t amdgpu_set_pp_table(struct device *dev, { struct drm_device *ddev = dev_get_drvdata(dev); struct amdgpu_device *adev = ddev->dev_private; + int ret = 0; - if (adev->powerplay.pp_funcs->set_pp_table) + if (is_support_sw_smu(adev)) { + ret = smu_sys_set_pp_table(&adev->smu, (void *)buf, count); + if (ret) + return ret; + } else if (adev->powerplay.pp_funcs->set_pp_table) amdgpu_dpm_set_pp_table(adev, buf, count); return count; |