From 8cfd6a05750cd7aa84e7f1e5933fa7781006bfc3 Mon Sep 17 00:00:00 2001
From: Lijo Lazar <lijo.lazar@amd.com>
Date: Tue, 31 Oct 2023 12:32:03 +0530
Subject: 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>
---
drivers/gpu/drm/amd/pm/amdgpu_pm.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
(limited to 'drivers/gpu/drm/amd/pm/amdgpu_pm.c')
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) {
--
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