drm/amdgpu/psp: start rlc autoload after psp recieved all gfx firmware

RLC handles firmware loading for gfx to support vddgfx feature.
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Le Ma <Le.Ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -931,6 +931,14 @@ static int psp_np_fw_load(struct psp_context *psp)
 		if (ret)
 			return ret;
 
+		/* Start rlc autoload after psp recieved all the gfx firmware */
+		if (ucode->ucode_id == AMDGPU_UCODE_ID_RLC_RESTORE_LIST_SRM_MEM) {
+			ret = psp_rlc_autoload(psp);
+			if (ret) {
+				DRM_ERROR("Failed to start rlc autoload\n");
+				return ret;
+			}
+		}
 #if 0
 		/* check if firmware loaded sucessfully */
 		if (!amdgpu_psp_check_fw_loading_status(adev, i))
@@ -1148,6 +1156,26 @@ int psp_gpu_reset(struct amdgpu_device *adev)
 	return psp_mode1_reset(&adev->psp);
 }
 
+int psp_rlc_autoload_start(struct psp_context *psp)
+{
+	int ret;
+	struct psp_gfx_cmd_resp *cmd;
+
+	if (amdgpu_sriov_vf(psp->adev))
+		return 0;
+
+	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
+	if (!cmd)
+		return -ENOMEM;
+
+	cmd->cmd_id = GFX_CMD_ID_AUTOLOAD_RLC;
+
+	ret = psp_cmd_submit_buf(psp, NULL, cmd,
+				 psp->fence_buf_mc_addr);
+	kfree(cmd);
+	return ret;
+}
+
 static bool psp_check_fw_loading_status(struct amdgpu_device *adev,
 					enum AMDGPU_UCODE_ID ucode_type)
 {

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

@@ -101,6 +101,7 @@ struct psp_funcs
 	int (*ras_trigger_error)(struct psp_context *psp,
 			struct ta_ras_trigger_error_input *info);
 	int (*ras_cure_posion)(struct psp_context *psp, uint64_t *mode_ptr);
+	int (*rlc_autoload_start)(struct psp_context *psp);
 };
 
 #define AMDGPU_XGMI_MAX_CONNECTED_NODES		64
@@ -236,6 +237,8 @@ struct amdgpu_psp_funcs {
 #define psp_xgmi_set_topology_info(psp, num_device, topology) \
 		((psp)->funcs->xgmi_set_topology_info ?	 \
 		(psp)->funcs->xgmi_set_topology_info((psp), (num_device), (topology)) : -EINVAL)
+#define psp_rlc_autoload(psp) \
+		((psp)->funcs->rlc_autoload_start ? (psp)->funcs->rlc_autoload_start((psp)) : 0)
 
 #define amdgpu_psp_check_fw_loading_status(adev, i) (adev)->firmware.funcs->check_fw_loading_status((adev), (i))
 
@@ -261,6 +264,8 @@ int psp_ras_invoke(struct psp_context *psp, uint32_t ta_cmd_id);
 int psp_ras_enable_features(struct psp_context *psp,
 		union ta_ras_cmd_input *info, bool enable);
 
+int psp_rlc_autoload_start(struct psp_context *psp);
+
 extern const struct amdgpu_ip_block_version psp_v11_0_ip_block;
 int psp_reg_program(struct psp_context *psp, enum psp_reg_prog_id reg,
 		uint32_t value);

drivers/gpu/drm/amd/amdgpu/psp_v11_0.c

@@ -807,6 +807,11 @@ static int psp_v11_0_ras_cure_posion(struct psp_context *psp, uint64_t *mode_ptr
 #endif
 }
 
+static int psp_v11_0_rlc_autoload_start(struct psp_context *psp)
+{
+	return psp_rlc_autoload_start(psp);
+}
+
 static const struct psp_funcs psp_v11_0_funcs = {
 	.init_microcode = psp_v11_0_init_microcode,
 	.bootloader_load_sysdrv = psp_v11_0_bootloader_load_sysdrv,
@@ -825,6 +830,7 @@ static const struct psp_funcs psp_v11_0_funcs = {
 	.support_vmr_ring = psp_v11_0_support_vmr_ring,
 	.ras_trigger_error = psp_v11_0_ras_trigger_error,
 	.ras_cure_posion = psp_v11_0_ras_cure_posion,
+	.rlc_autoload_start = psp_v11_0_rlc_autoload_start,
 };
 
 void psp_v11_0_set_psp_funcs(struct psp_context *psp)