diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index 8ef6bf7c6b65..cad153e333d8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -1045,6 +1045,31 @@ static int psp_rl_load(struct amdgpu_device *adev) return ret; } +int psp_memory_partition(struct psp_context *psp, int mode) +{ + struct psp_gfx_cmd_resp *cmd; + int ret; + + if (amdgpu_sriov_vf(psp->adev)) + return 0; + + cmd = acquire_psp_cmd_buf(psp); + + cmd->cmd_id = GFX_CMD_ID_FB_NPS_MODE; + cmd->cmd.cmd_memory_part.mode = mode; + + dev_info(psp->adev->dev, + "Requesting %d memory partition change through PSP", mode); + ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr); + if (ret) + dev_err(psp->adev->dev, + "PSP request failed to change to NPS%d mode\n", mode); + + release_psp_cmd_buf(psp); + + return ret; +} + int psp_spatial_partition(struct psp_context *psp, int mode) { struct psp_gfx_cmd_resp *cmd; |