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authorLijo Lazar <lijo.lazar@amd.com>2023-03-10 15:38:19 +0530
committerAlex Deucher <alexander.deucher@amd.com>2023-06-09 09:57:53 -0400
commitba08e9cb6ff87acdb2f28f013fe695a252533f0e (patch)
treea98df5b7af57c250b395fa8866dc4554884ffd6e /drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
parentb6b85c8b43a85988ecd06f039f8f90c041842812 (diff)
drm/amdgpu: Add PSP spatial parition interface
Add PSP ring command interface for spatial partitioning. Signed-off-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c21
1 files changed, 21 insertions, 0 deletions
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;