issue unload_ta_cmd to tOS to unload asd driver
Change-Id: I697cfc1774205ed6cbe22eb3c16143b603543564
Signed-off-by: Hawking Zhang <[email protected]>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 36 +++++++++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index bdc9e7ae4892..0e8907179e07 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -356,6 +356,40 @@ static int psp_asd_load(struct psp_context *psp)
return ret;
}
+static void psp_prep_asd_unload_cmd_buf(struct psp_gfx_cmd_resp *cmd,
+ uint32_t asd_session_id)
+{
+ cmd->cmd_id = GFX_CMD_ID_UNLOAD_TA;
+ cmd->cmd.cmd_unload_ta.session_id = asd_session_id;
+}
+
+static int psp_asd_unload(struct psp_context *psp)
+{
+ int ret;
+ struct psp_gfx_cmd_resp *cmd;
+
+ if (amdgpu_sriov_vf(psp->adev))
+ return 0;
+
+ if (!psp->asd_context.asd_initialized)
+ return 0;
+
+ cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
+ if (!cmd)
+ return -ENOMEM;
+
+ psp_prep_asd_unload_cmd_buf(cmd, psp->asd_context.session_id);
+
+ ret = psp_cmd_submit_buf(psp, NULL, cmd,
+ psp->fence_buf_mc_addr);
+ if (!ret)
+ psp->asd_context.asd_initialized = false;
+
+ kfree(cmd);
+
+ return ret;
+}
+
static void psp_prep_reg_prog_cmd_buf(struct psp_gfx_cmd_resp *cmd,
uint32_t id, uint32_t value)
{
@@ -1583,6 +1617,8 @@ static int psp_hw_fini(void *handle)
psp_hdcp_terminate(psp);
}
+ psp_asd_unload(psp);
+
psp_ring_destroy(psp, PSP_RING_TYPE__KM);
pptr = amdgpu_sriov_vf(psp->adev) ? &tmr_buf : NULL;
--
2.17.1
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