diff options
| author | Darren Powell <darren.powell@amd.com> | 2021-05-26 18:47:10 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-06-08 12:14:03 -0400 |
| commit | dc2a8240b2ae8cc2edef3a6e978d249ea2bb8955 (patch) | |
| tree | e64c3067951f5f56f456c8a4f6285cdd1128f6a0 /drivers/gpu/drm/amd/pm/amdgpu_pm.c | |
| parent | 4f9cbeb317bd4684129b5190f452607ea85aa9d0 (diff) | |
amdgpu/pm: handle return value for get_power_limit
Signed-off-by: Darren Powell <darren.powell@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/pm/amdgpu_pm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/amdgpu_pm.c | 39 |
1 files changed, 24 insertions, 15 deletions
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c index 0a788cb38ee2..b2335a1d3f98 100644 --- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c @@ -2924,13 +2924,16 @@ static ssize_t amdgpu_hwmon_show_power_cap_max(struct device *dev, return r; } - if (pp_funcs && pp_funcs->get_power_limit) { - pp_funcs->get_power_limit(adev->powerplay.pp_handle, &limit, - pp_limit_level, power_type); + if (pp_funcs && pp_funcs->get_power_limit) + r = pp_funcs->get_power_limit(adev->powerplay.pp_handle, &limit, + pp_limit_level, power_type); + else + r = -ENODATA; + + if (!r) size = snprintf(buf, PAGE_SIZE, "%u\n", limit * 1000000); - } else { + else size = snprintf(buf, PAGE_SIZE, "\n"); - } pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); @@ -2961,13 +2964,16 @@ static ssize_t amdgpu_hwmon_show_power_cap(struct device *dev, return r; } - if (pp_funcs && pp_funcs->get_power_limit) { - pp_funcs->get_power_limit(adev->powerplay.pp_handle, &limit, - pp_limit_level, power_type); + if (pp_funcs && pp_funcs->get_power_limit) + r = pp_funcs->get_power_limit(adev->powerplay.pp_handle, &limit, + pp_limit_level, power_type); + else + r = -ENODATA; + + if (!r) size = snprintf(buf, PAGE_SIZE, "%u\n", limit * 1000000); - } else { + else size = snprintf(buf, PAGE_SIZE, "\n"); - } pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); @@ -2998,13 +3004,16 @@ static ssize_t amdgpu_hwmon_show_power_cap_default(struct device *dev, return r; } - if (pp_funcs && pp_funcs->get_power_limit) { - pp_funcs->get_power_limit(adev->powerplay.pp_handle, &limit, - pp_limit_level, power_type); + if (pp_funcs && pp_funcs->get_power_limit) + r = pp_funcs->get_power_limit(adev->powerplay.pp_handle, &limit, + pp_limit_level, power_type); + else + r = -ENODATA; + + if (!r) size = snprintf(buf, PAGE_SIZE, "%u\n", limit * 1000000); - } else { + else size = snprintf(buf, PAGE_SIZE, "\n"); - } pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |