From ba08e9cb6ff87acdb2f28f013fe695a252533f0e Mon Sep 17 00:00:00 2001 From: Lijo Lazar Date: Fri, 10 Mar 2023 15:38:19 +0530 Subject: drm/amdgpu: Add PSP spatial parition interface Add PSP ring command interface for spatial partitioning. Signed-off-by: Lijo Lazar Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index ea47012795e7..d62746b596f5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -991,6 +991,27 @@ static int psp_rl_load(struct amdgpu_device *adev) return ret; } +int psp_spatial_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_SRIOV_SPATIAL_PART; + cmd->cmd.cmd_spatial_part.mode = mode; + + dev_info(psp->adev->dev, "Requesting %d paritions through PSP", mode); + ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr); + + release_psp_cmd_buf(psp); + + return ret; +} + static int psp_asd_initialize(struct psp_context *psp) { int ret; -- cgit v1.2.3