From b090578c9d633829dae4ddeed4f74c9bbbf12080 Mon Sep 17 00:00:00 2001
From: Boyuan Zhang <boyuan.zhang@amd.com>
Date: Thu, 24 Mar 2022 12:19:06 -0400
Subject: drm/amdgpu/vcn3: send smu interface type
Git-commit: 945da79e6dd058be70bc47442dce319844e14daa
Patch-mainline: v5.18-rc2
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225

For VCN FW to detect ASIC type, in order to use different mailbox registers.

V2: simplify codes and fix format issue.

Signed-off-by: Boyuan Zhang <boyuan.zhang@amd.com>
Acked-by Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h | 7 +++++++
 drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c   | 5 +++++
 2 files changed, 12 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
index e2fde88aaf5e..f06fb7f882e2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
@@ -159,6 +159,7 @@
 #define AMDGPU_VCN_MULTI_QUEUE_FLAG	(1 << 8)
 #define AMDGPU_VCN_SW_RING_FLAG		(1 << 9)
 #define AMDGPU_VCN_FW_LOGGING_FLAG	(1 << 10)
+#define AMDGPU_VCN_SMU_VERSION_INFO_FLAG (1 << 11)
 
 #define AMDGPU_VCN_IB_FLAG_DECODE_BUFFER	0x00000001
 #define AMDGPU_VCN_CMD_FLAG_MSG_BUFFER		0x00000001
@@ -279,6 +280,11 @@ struct amdgpu_fw_shared_fw_logging {
 	uint32_t size;
 };
 
+struct amdgpu_fw_shared_smu_interface_info {
+	uint8_t smu_interface_type;
+	uint8_t padding[3];
+};
+
 struct amdgpu_fw_shared {
 	uint32_t present_flag_0;
 	uint8_t pad[44];
@@ -287,6 +293,7 @@ struct amdgpu_fw_shared {
 	struct amdgpu_fw_shared_multi_queue multi_queue;
 	struct amdgpu_fw_shared_sw_ring sw_ring;
 	struct amdgpu_fw_shared_fw_logging fw_log;
+	struct amdgpu_fw_shared_smu_interface_info smu_interface_info;
 };
 
 struct amdgpu_vcn_fwlog {
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
index 0d590183328f..e1cca0a10653 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
@@ -219,6 +219,11 @@ static int vcn_v3_0_sw_init(void *handle)
 					     cpu_to_le32(AMDGPU_VCN_MULTI_QUEUE_FLAG) |
 					     cpu_to_le32(AMDGPU_VCN_FW_SHARED_FLAG_0_RB);
 		fw_shared->sw_ring.is_enabled = cpu_to_le32(DEC_SW_RING_ENABLED);
+		fw_shared->present_flag_0 |= AMDGPU_VCN_SMU_VERSION_INFO_FLAG;
+		if (adev->ip_versions[UVD_HWIP][0] == IP_VERSION(3, 1, 2))
+			fw_shared->smu_interface_info.smu_interface_type = 2;
+		else if (adev->ip_versions[UVD_HWIP][0] == IP_VERSION(3, 1, 1))
+			fw_shared->smu_interface_info.smu_interface_type = 1;
 
 		if (amdgpu_vcnfw_log)
 			amdgpu_vcn_fwlog_init(&adev->vcn.inst[i]);
-- 
2.38.1