drm/amdgpu: bump smc firmware header version to v2 (v2)

This patch bumps smc firmware header version to v2 for storing soft pptable.

v2: fix the typo, and add prints for v2 header
Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -77,6 +77,14 @@ void amdgpu_ucode_print_smc_hdr(const struct common_firmware_header *hdr)
 			container_of(hdr, struct smc_firmware_header_v1_0, header);
 
 		DRM_DEBUG("ucode_start_addr: %u\n", le32_to_cpu(smc_hdr->ucode_start_addr));
+	} else if (version_major == 2) {
+		const struct smc_firmware_header_v1_0 *v1_hdr =
+			container_of(hdr, struct smc_firmware_header_v1_0, header);
+		const struct smc_firmware_header_v2_0 *v2_hdr =
+			container_of(v1_hdr, struct smc_firmware_header_v2_0, v1_0);
+
+		DRM_INFO("ppt_offset_bytes: %u\n", le32_to_cpu(v2_hdr->ppt_offset_bytes));
+		DRM_INFO("ppt_size_bytes: %u\n", le32_to_cpu(v2_hdr->ppt_size_bytes));
 	} else {
 		DRM_ERROR("Unknown SMC ucode version: %u.%u\n", version_major, version_minor);
 	}

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

@@ -49,6 +49,13 @@ struct smc_firmware_header_v1_0 {
 	uint32_t ucode_start_addr;
 };
 
+/* version_major=2, version_minor=0 */
+struct smc_firmware_header_v2_0 {
+	struct smc_firmware_header_v1_0 v1_0;
+	uint32_t ppt_offset_bytes; /* soft pptable offset */
+	uint32_t ppt_size_bytes; /* soft pptable size */
+};
+
 /* version_major=1, version_minor=0 */
 struct psp_firmware_header_v1_0 {
 	struct common_firmware_header header;
@@ -194,6 +201,7 @@ union amdgpu_firmware_header {
 	struct common_firmware_header common;
 	struct mc_firmware_header_v1_0 mc;
 	struct smc_firmware_header_v1_0 smc;
+	struct smc_firmware_header_v2_0 smc_v2_0;
 	struct psp_firmware_header_v1_0 psp;
 	struct psp_firmware_header_v1_1 psp_v1_1;
 	struct ta_firmware_header_v1_0 ta;