[PATCH 2/4] panthor: Add igt_panthor_get_arch() helper

[Daniel Stone <daniels@collabora.com>]

This will identify the major architecture revision.

Signed-off-by: Daniel Stone <daniels@collabora.com>
---
 lib/igt_panthor.c | 17 +++++++++++++++++
 lib/igt_panthor.h |  1 +
 2 files changed, 18 insertions(+)

diff --git a/lib/igt_panthor.c b/lib/igt_panthor.c
index cd6b6b7fd..f5c6859e2 100644
--- a/lib/igt_panthor.c
+++ b/lib/igt_panthor.c
@@ -370,3 +370,20 @@ void igt_panthor_free_bo(int fd, struct panthor_bo *bo)
 
 	gem_close(fd, bo->handle);
 }
+
+/**
+ * igt_panthor_get_arch:
+ * @fd: panthor device file descriptor
+ *
+ * Get the architecture major version for this device.
+ *
+ * Returns: The Mali architecture major version
+ */
+int igt_panthor_get_arch(int fd)
+{
+	struct drm_panthor_gpu_info gpu_info = { 0 };
+
+	igt_panthor_query(fd, DRM_PANTHOR_DEV_QUERY_GPU_INFO,
+			  &gpu_info, sizeof(gpu_info), 0);
+	return DRM_PANTHOR_ARCH_MAJOR(gpu_info.gpu_id);
+}
diff --git a/lib/igt_panthor.h b/lib/igt_panthor.h
index 63c4f2bf4..3056ebd75 100644
--- a/lib/igt_panthor.h
+++ b/lib/igt_panthor.h
@@ -36,6 +36,7 @@ void igt_panthor_group_submit_simple(int fd, uint32_t group_handle,
 				     uint32_t queue_index, uint64_t stream_addr,
 				     uint32_t stream_size, uint32_t syncobj_handle,
 				     int err);
+int igt_panthor_get_arch(int fd);
 
 static inline void igt_panthor_vm_bind(int fd, uint32_t vm_id, uint32_t bo_handle,
 				       uint64_t va, uint64_t size, uint32_t flags, int err)
-- 
2.47.3