drm/amdgpu: add support for ras init flags

conditionally configure ras for dgpu mode or poison propogation mode

Reviewed-by: Hawking Zhang <[e-mail]>
Signed-off-by: John Clements <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c

···
 	memset(psp->fw_pri_buf, 0, PSP_1_MEG);
 	memcpy(psp->fw_pri_buf, psp->ta_ras_start_addr, psp->ta_ras_ucode_size);
 
+	ras_cmd = (struct ta_ras_shared_memory *)psp->ras.ras_shared_buf;
+
+	if (psp->adev->gmc.xgmi.connected_to_cpu)
+		ras_cmd->ras_in_message.init_flags.poison_mode_en = 1;
+	else
+		ras_cmd->ras_in_message.init_flags.dgpu_mode = 1;
+
 	psp_prep_ta_load_cmd_buf(cmd,
 				 psp->fw_pri_mc_addr,
 				 psp->ta_ras_ucode_size,
···
 
 	ret = psp_cmd_submit_buf(psp, NULL, cmd,
 			psp->fence_buf_mc_addr);
-
-	ras_cmd = (struct ta_ras_shared_memory *)psp->ras.ras_shared_buf;
 
 	if (!ret) {
 		psp->ras.session_id = cmd->resp.session_id;

drivers/gpu/drm/amd/amdgpu/ta_ras_if.h

···
 	uint64_t		value;			// method if error injection. i.e persistent, coherent etc.
 };
 
+struct ta_ras_init_flags
+{
+    uint8_t     poison_mode_en;
+    uint8_t     dgpu_mode;
+};
+
 struct ta_ras_output_flags
 {
 	uint8_t    ras_init_success_flag;
···
 /* Common input structure for RAS callbacks */
 /**********************************************************/
 union ta_ras_cmd_input {
+	struct ta_ras_init_flags		init_flags;
 	struct ta_ras_enable_features_input	enable_features;
 	struct ta_ras_disable_features_input	disable_features;
 	struct ta_ras_trigger_error_input	trigger_error;