diff options
| author | Yang Wang <kevinyang.wang@amd.com> | 2024-02-28 06:10:54 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-02-29 01:09:42 +0300 |
| commit | 98a936c395519d344d1bbbfefe16a66c31244cf5 (patch) | |
| tree | e62bfec38932111173380295dc5af794b564781c /drivers/gpu/drm/amd/pm/amdgpu_pm.c | |
| parent | 1cb96a8a59c67bbada098e945b97c633e1f2c0aa (diff) | |
| download | linux-98a936c395519d344d1bbbfefe16a66c31244cf5.tar.xz | |
drm/amdgpu: enable pp_od_clk_voltage for gfx 9.4.3 SRIOV
v1:
enabel pp_od_clk_voltage node for gfx 9.4.3 SRIOV and BM.
v2:
add onevf check for gfx 9.4.3
v3:
refine code check order to make function clearly.
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 | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c index 1ff7fc821871..9e70c41ad98f 100644 --- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c @@ -2034,6 +2034,31 @@ static int ss_bias_attr_update(struct amdgpu_device *adev, struct amdgpu_device_ return 0; } +static int pp_od_clk_voltage_attr_update(struct amdgpu_device *adev, struct amdgpu_device_attr *attr, + uint32_t mask, enum amdgpu_device_attr_states *states) +{ + uint32_t gc_ver = amdgpu_ip_version(adev, GC_HWIP, 0); + + *states = ATTR_STATE_SUPPORTED; + + if (!amdgpu_dpm_is_overdrive_supported(adev)) { + *states = ATTR_STATE_UNSUPPORTED; + return 0; + } + + /* Enable pp_od_clk_voltage node for gc 9.4.3 SRIOV/BM support */ + if (gc_ver == IP_VERSION(9, 4, 3)) { + if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev)) + *states = ATTR_STATE_UNSUPPORTED; + return 0; + } + + if (!(attr->flags & mask)) + *states = ATTR_STATE_UNSUPPORTED; + + return 0; +} + /* Following items will be read out to indicate current plpd policy: * - -1: none * - 0: disallow @@ -2118,7 +2143,8 @@ static struct amdgpu_device_attr amdgpu_device_attrs[] = { AMDGPU_DEVICE_ATTR_RW(pp_sclk_od, ATTR_FLAG_BASIC), AMDGPU_DEVICE_ATTR_RW(pp_mclk_od, ATTR_FLAG_BASIC), AMDGPU_DEVICE_ATTR_RW(pp_power_profile_mode, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF), - AMDGPU_DEVICE_ATTR_RW(pp_od_clk_voltage, ATTR_FLAG_BASIC), + AMDGPU_DEVICE_ATTR_RW(pp_od_clk_voltage, ATTR_FLAG_BASIC, + .attr_update = pp_od_clk_voltage_attr_update), AMDGPU_DEVICE_ATTR_RO(gpu_busy_percent, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF), AMDGPU_DEVICE_ATTR_RO(mem_busy_percent, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF), AMDGPU_DEVICE_ATTR_RO(pcie_bw, ATTR_FLAG_BASIC), @@ -2163,10 +2189,6 @@ static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_ } else if (DEVICE_ATTR_IS(pp_dpm_fclk)) { if (mp1_ver < IP_VERSION(10, 0, 0)) *states = ATTR_STATE_UNSUPPORTED; - } else if (DEVICE_ATTR_IS(pp_od_clk_voltage)) { - *states = ATTR_STATE_UNSUPPORTED; - if (amdgpu_dpm_is_overdrive_supported(adev)) - *states = ATTR_STATE_SUPPORTED; } else if (DEVICE_ATTR_IS(mem_busy_percent)) { if ((adev->flags & AMD_IS_APU && gc_ver != IP_VERSION(9, 4, 3)) || |