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authorLijo Lazar <[email protected]>2023-10-31 07:02:03 +0000
committerAlex Deucher <[email protected]>2023-11-07 17:03:31 +0000
commit8cfd6a05750cd7aa84e7f1e5933fa7781006bfc3 (patch)
tree0e20755df4336733d80f8e0fc70b3943e66e8a73 /drivers/gpu/drm/amd/pm/amdgpu_dpm.c
parentdrm/amdgpu: Fix sdma 4.4.2 doorbell rptr/wptr init (diff)
downloadkernel-8cfd6a05750cd7aa84e7f1e5933fa7781006bfc3.tar.gz
kernel-8cfd6a05750cd7aa84e7f1e5933fa7781006bfc3.zip
drm/amd/pm: Hide irrelevant pm device attributes
Change return code to EOPNOTSUPP for unsupported functions. Use the error code information to hide sysfs nodes not valid for the SOC. Signed-off-by: Lijo Lazar <[email protected]> Reviewed-by: Yang Wang <[email protected]> Reviewed-by: Asad Kamal <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/pm/amdgpu_dpm.c')
-rw-r--r--drivers/gpu/drm/amd/pm/amdgpu_dpm.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
index acf3527fff2d..08cb79401410 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
@@ -491,7 +491,7 @@ int amdgpu_dpm_read_sensor(struct amdgpu_device *adev, enum amd_pp_sensors senso
int amdgpu_dpm_get_apu_thermal_limit(struct amdgpu_device *adev, uint32_t *limit)
{
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
- int ret = -EINVAL;
+ int ret = -EOPNOTSUPP;
if (pp_funcs && pp_funcs->get_apu_thermal_limit) {
mutex_lock(&adev->pm.mutex);
@@ -505,7 +505,7 @@ int amdgpu_dpm_get_apu_thermal_limit(struct amdgpu_device *adev, uint32_t *limit
int amdgpu_dpm_set_apu_thermal_limit(struct amdgpu_device *adev, uint32_t limit)
{
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
- int ret = -EINVAL;
+ int ret = -EOPNOTSUPP;
if (pp_funcs && pp_funcs->set_apu_thermal_limit) {
mutex_lock(&adev->pm.mutex);
@@ -1182,7 +1182,7 @@ int amdgpu_dpm_get_sclk_od(struct amdgpu_device *adev)
int ret = 0;
if (!pp_funcs->get_sclk_od)
- return 0;
+ return -EOPNOTSUPP;
mutex_lock(&adev->pm.mutex);
ret = pp_funcs->get_sclk_od(adev->powerplay.pp_handle);
@@ -1196,7 +1196,7 @@ int amdgpu_dpm_set_sclk_od(struct amdgpu_device *adev, uint32_t value)
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
if (is_support_sw_smu(adev))
- return 0;
+ return -EOPNOTSUPP;
mutex_lock(&adev->pm.mutex);
if (pp_funcs->set_sclk_od)
@@ -1219,7 +1219,7 @@ int amdgpu_dpm_get_mclk_od(struct amdgpu_device *adev)
int ret = 0;
if (!pp_funcs->get_mclk_od)
- return 0;
+ return -EOPNOTSUPP;
mutex_lock(&adev->pm.mutex);
ret = pp_funcs->get_mclk_od(adev->powerplay.pp_handle);
@@ -1233,7 +1233,7 @@ int amdgpu_dpm_set_mclk_od(struct amdgpu_device *adev, uint32_t value)
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
if (is_support_sw_smu(adev))
- return 0;
+ return -EOPNOTSUPP;
mutex_lock(&adev->pm.mutex);
if (pp_funcs->set_mclk_od)