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drm/amd/powerplay: implement sysfs of pp_table for smu11 (v2)

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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>
This commit is contained in:
Kevin Wang
2019-01-11 15:07:52 +08:00
committed by Alex Deucher
parent 4a5a2de666
commit 289921b03f
4 changed files with 89 additions and 8 deletions
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14
drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
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@@ -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;