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authorLijo Lazar <lijo.lazar@amd.com>2023-10-31 08:02:03 +0100
committerAlex Deucher <alexander.deucher@amd.com>2023-11-07 18:03:31 +0100
commit8cfd6a05750cd7aa84e7f1e5933fa7781006bfc3 (patch)
tree0e20755df4336733d80f8e0fc70b3943e66e8a73 /drivers
parentdrm/amdgpu: Fix sdma 4.4.2 doorbell rptr/wptr init (diff)
downloadlinux-8cfd6a05750cd7aa84e7f1e5933fa7781006bfc3.tar.xz
linux-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 <lijo.lazar@amd.com> Reviewed-by: Yang Wang <kevinyang.wang@amd.com> Reviewed-by: Asad Kamal <asad.kamal@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/pm/amdgpu_dpm.c12
-rw-r--r--drivers/gpu/drm/amd/pm/amdgpu_pm.c12
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c4
3 files changed, 20 insertions, 8 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)
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index 4ba9195c83c5..1f6d2dbcca4a 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -2197,6 +2197,18 @@ static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_
} else if (DEVICE_ATTR_IS(xgmi_plpd_policy)) {
if (amdgpu_dpm_get_xgmi_plpd_mode(adev, NULL) == XGMI_PLPD_NONE)
*states = ATTR_STATE_UNSUPPORTED;
+ } else if (DEVICE_ATTR_IS(pp_dpm_mclk_od)) {
+ if (amdgpu_dpm_get_mclk_od(adev) == -EOPNOTSUPP)
+ *states = ATTR_STATE_UNSUPPORTED;
+ } else if (DEVICE_ATTR_IS(pp_dpm_sclk_od)) {
+ if (amdgpu_dpm_get_sclk_od(adev) == -EOPNOTSUPP)
+ *states = ATTR_STATE_UNSUPPORTED;
+ } else if (DEVICE_ATTR_IS(apu_thermal_cap)) {
+ u32 limit;
+
+ if (amdgpu_dpm_get_apu_thermal_limit(adev, &limit) ==
+ -EOPNOTSUPP)
+ *states = ATTR_STATE_UNSUPPORTED;
}
switch (gc_ver) {
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index 23b00eddc1af..d86750df5940 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -2747,7 +2747,7 @@ unlock:
static int smu_get_apu_thermal_limit(void *handle, uint32_t *limit)
{
- int ret = -EINVAL;
+ int ret = -EOPNOTSUPP;
struct smu_context *smu = handle;
if (smu->ppt_funcs && smu->ppt_funcs->get_apu_thermal_limit)
@@ -2758,7 +2758,7 @@ static int smu_get_apu_thermal_limit(void *handle, uint32_t *limit)
static int smu_set_apu_thermal_limit(void *handle, uint32_t limit)
{
- int ret = -EINVAL;
+ int ret = -EOPNOTSUPP;
struct smu_context *smu = handle;
if (smu->ppt_funcs && smu->ppt_funcs->set_apu_thermal_limit)