[PATCH i-g-t 08/12] libdrmfdinfo: Track largest engine index

[Tvrtko Ursulin]

From: Tvrtko Ursulin <tvrtko.ursu...@intel.com>

Prep code for incoming work.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
---
 lib/igt_drm_fdinfo.c | 2 ++
 lib/igt_drm_fdinfo.h | 1 +
 2 files changed, 3 insertions(+)

diff --git a/lib/igt_drm_fdinfo.c b/lib/igt_drm_fdinfo.c
index d5c66881ed43..3926cbd25ecf 100644
--- a/lib/igt_drm_fdinfo.c
+++ b/lib/igt_drm_fdinfo.c
@@ -162,6 +162,8 @@ __igt_parse_drm_fdinfo(int dir, const char *fd, struct 
drm_client_fdinfo *info,
                                        info->capacity[idx] = 1;
                                info->busy[idx] = val;
                                info->num_engines++;
+                               if (idx > info->last_engine_index)
+                                       info->last_engine_index = idx;
                        }
                } else if (!strncmp(l, "drm-engine-capacity-", 20)) {
                        idx = parse_engine(l, info,
diff --git a/lib/igt_drm_fdinfo.h b/lib/igt_drm_fdinfo.h
index 4d14e7931532..e567600fe53b 100644
--- a/lib/igt_drm_fdinfo.h
+++ b/lib/igt_drm_fdinfo.h
@@ -38,6 +38,7 @@ struct drm_client_fdinfo {
        unsigned long id;
 
        unsigned int num_engines;
+       unsigned int last_engine_index;
        unsigned int capacity[DRM_CLIENT_FDINFO_MAX_ENGINES];
        char names[DRM_CLIENT_FDINFO_MAX_ENGINES][256];
        uint64_t busy[DRM_CLIENT_FDINFO_MAX_ENGINES];
-- 
2.32.0