diff options
| author | Yang Wang <kevinyang.wang@amd.com> | 2025-10-30 09:06:22 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-11-24 12:36:12 -0500 |
| commit | 5de8ce0f3709ad93ca5a579aa45cf1b52d72bc90 (patch) | |
| tree | 35e8b80de02a515c220724b978df1fcd656634b3 /drivers/gpu/drm/amd/pm/amdgpu_pm.c | |
| parent | 66a50fa49db53cf2b1894d4cd7c1b5b522276706 (diff) | |
drm/amd/pm: adjust the visibility of pp_table sysfs node
v1:
- make pp_table invisible on VF mode (only valid on BM)
- make pp_table invisible on Mi* chips (Not supported)
- make pp_table invisible if scpm feature is enabled.
v2:
move pp_table invisible code logic into amdgpu_dpm_get_pp_table() function.
v3:
add table buffer pointer check both on powerplay & swsmu.
Signed-off-by: Yang Wang <kevinyang.wang@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 | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c index 84ad3ee17907..65296a819e6a 100644 --- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c @@ -2506,7 +2506,7 @@ static struct amdgpu_device_attr amdgpu_device_attrs[] = { AMDGPU_DEVICE_ATTR_RO(pp_num_states, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF), AMDGPU_DEVICE_ATTR_RO(pp_cur_state, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF), AMDGPU_DEVICE_ATTR_RW(pp_force_state, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF), - AMDGPU_DEVICE_ATTR_RW(pp_table, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF), + AMDGPU_DEVICE_ATTR_RW(pp_table, ATTR_FLAG_BASIC), AMDGPU_DEVICE_ATTR_RW(pp_dpm_sclk, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF, .attr_update = pp_dpm_clk_default_attr_update), AMDGPU_DEVICE_ATTR_RW(pp_dpm_mclk, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF, @@ -2638,6 +2638,15 @@ static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_ if (amdgpu_dpm_get_apu_thermal_limit(adev, &limit) == -EOPNOTSUPP) *states = ATTR_STATE_UNSUPPORTED; + } else if (DEVICE_ATTR_IS(pp_table)) { + int ret; + char *tmp = NULL; + + ret = amdgpu_dpm_get_pp_table(adev, &tmp); + if (ret == -EOPNOTSUPP || !tmp) + *states = ATTR_STATE_UNSUPPORTED; + else + *states = ATTR_STATE_SUPPORTED; } switch (gc_ver) { |