drm/amdgpu: add gpu_info firmware (v3)

Add a new gpu info firmware to store gpu specific configuration
data.  This allows us to store hw constants in a unified place.

v2: adjust structure and elements
v3: further restructure

Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Tested-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
index dfd1c98efa7c..38e3ba6e6467 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
@@ -197,6 +197,27 @@ void amdgpu_ucode_print_sdma_hdr(const struct common_firmware_header *hdr)
         }
 }
 
+void amdgpu_ucode_print_gpu_info_hdr(const struct common_firmware_header *hdr)
+{
+        uint16_t version_major = le16_to_cpu(hdr->header_version_major);
+        uint16_t version_minor = le16_to_cpu(hdr->header_version_minor);
+
+        DRM_DEBUG("GPU_INFO\n");
+        amdgpu_ucode_print_common_hdr(hdr);
+
+        if (version_major == 1) {
+                const struct gpu_info_firmware_header_v1_0 *gpu_info_hdr =
+                        container_of(hdr, struct gpu_info_firmware_header_v1_0, header);
+
+                DRM_DEBUG("version_major: %u\n",
+                          le16_to_cpu(gpu_info_hdr->version_major));
+                DRM_DEBUG("version_minor: %u\n",
+                          le16_to_cpu(gpu_info_hdr->version_minor));
+        } else {
+                DRM_ERROR("Unknown gpu_info ucode version: %u.%u\n", version_major, version_minor);
+        }
+}
+
 int amdgpu_ucode_validate(const struct firmware *fw)
 {
         const struct common_firmware_header *hdr =