drm/amdgpu/mmsch: Correct the definition for mmsch init header

For the header, it is version related, shouldn't use MAX_VCN_INSTANCES.
Signed-off-by: Emily Deng <Emily.Deng@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/mmsch_v3_0.h

@@ -30,6 +30,8 @@
 #define MMSCH_VERSION_MINOR	0
 #define MMSCH_VERSION	(MMSCH_VERSION_MAJOR << 16 | MMSCH_VERSION_MINOR)
 
+#define MMSCH_V3_0_VCN_INSTANCES 0x2
+
 enum mmsch_v3_0_command_type {
 	MMSCH_COMMAND__DIRECT_REG_WRITE = 0,
 	MMSCH_COMMAND__DIRECT_REG_POLLING = 2,
@@ -47,7 +49,7 @@ struct mmsch_v3_0_table_info {
 struct mmsch_v3_0_init_header {
 	uint32_t version;
 	uint32_t total_size;
-	struct mmsch_v3_0_table_info inst[AMDGPU_MAX_VCN_INSTANCES];
+	struct mmsch_v3_0_table_info inst[MMSCH_V3_0_VCN_INSTANCES];
 };
 
 struct mmsch_v3_0_cmd_direct_reg_header {

drivers/gpu/drm/amd/amdgpu/mmsch_v4_0.h

@@ -43,6 +43,8 @@
 #define MMSCH_VF_MAILBOX_RESP__OK 0x1
 #define MMSCH_VF_MAILBOX_RESP__INCOMPLETE 0x2
 
+#define MMSCH_V4_0_VCN_INSTANCES 0x2
+
 enum mmsch_v4_0_command_type {
 	MMSCH_COMMAND__DIRECT_REG_WRITE = 0,
 	MMSCH_COMMAND__DIRECT_REG_POLLING = 2,
@@ -60,7 +62,7 @@ struct mmsch_v4_0_table_info {
 struct mmsch_v4_0_init_header {
 	uint32_t version;
 	uint32_t total_size;
-	struct mmsch_v4_0_table_info inst[AMDGPU_MAX_VCN_INSTANCES];
+	struct mmsch_v4_0_table_info inst[MMSCH_V4_0_VCN_INSTANCES];
 	struct mmsch_v4_0_table_info jpegdec;
 };
 

drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c

@@ -1313,7 +1313,7 @@ static int vcn_v3_0_start_sriov(struct amdgpu_device *adev)
 
 	header.version = MMSCH_VERSION;
 	header.total_size = sizeof(struct mmsch_v3_0_init_header) >> 2;
-	for (i = 0; i < AMDGPU_MAX_VCN_INSTANCES; i++) {
+	for (i = 0; i < MMSCH_V3_0_VCN_INSTANCES; i++) {
 		header.inst[i].init_status = 0;
 		header.inst[i].table_offset = 0;
 		header.inst[i].table_size = 0;

drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c

@@ -1239,7 +1239,7 @@ static int vcn_v4_0_start_sriov(struct amdgpu_device *adev)
 
 	header.version = MMSCH_VERSION;
 	header.total_size = sizeof(struct mmsch_v4_0_init_header) >> 2;
-	for (i = 0; i < AMDGPU_MAX_VCN_INSTANCES; i++) {
+	for (i = 0; i < MMSCH_V4_0_VCN_INSTANCES; i++) {
 		header.inst[i].init_status = 0;
 		header.inst[i].table_offset = 0;
 		header.inst[i].table_size = 0;