diff options
| author | Lijo Lazar <lijo.lazar@amd.com> | 2024-09-19 18:51:07 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-10-07 14:32:23 -0400 |
| commit | bbc160084edad8db569f6af0291e0ff9a8f41c0c (patch) | |
| tree | decd6ff70497a69cb30e43b930dc2af1b01d3199 /drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | |
| parent | b1cf3ddcc3cceda1dd859a5e572e20da5e4c103e (diff) | |
drm/amdgpu: Add gmc interface to request NPS mode
Add a common interface in GMC to request NPS mode through PSP. Also add
a variable in hive and gmc control to track the last requested mode.
Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c index 47ae371ef4a9..a3652ba47345 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c @@ -1235,3 +1235,19 @@ err: return ret; } + +int amdgpu_gmc_request_memory_partition(struct amdgpu_device *adev, + int nps_mode) +{ + /* Not supported on VF devices and APUs */ + if (amdgpu_sriov_vf(adev) || (adev->flags & AMD_IS_APU)) + return -EOPNOTSUPP; + + if (!adev->psp.funcs) { + dev_err(adev->dev, + "PSP interface not available for nps mode change request"); + return -EINVAL; + } + + return psp_memory_partition(&adev->psp, nps_mode); +} |