[Intel-gfx] [PATCH i-g-t 4/8] libdrmclient: Support multiple DRM cards

[Tvrtko Ursulin]

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

Require DRM minor match during client lookup.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
---
 lib/igt_drm_clients.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/lib/igt_drm_clients.c b/lib/igt_drm_clients.c
index c23a3fae9793..e11c8b18188f 100644
--- a/lib/igt_drm_clients.c
+++ b/lib/igt_drm_clients.c
@@ -49,7 +49,7 @@ struct igt_drm_clients *igt_drm_clients_init(void 
*private_data)
 static struct igt_drm_client *
 igt_drm_clients_find(struct igt_drm_clients *clients,
                     enum igt_drm_client_status status,
-                    unsigned int id)
+                    unsigned int drm_minor, unsigned int id)
 {
        unsigned int start, num;
        struct igt_drm_client *c;
@@ -61,7 +61,8 @@ igt_drm_clients_find(struct igt_drm_clients *clients,
                if (status != c->status)
                        continue;
 
-               if (status == IGT_DRM_CLIENT_FREE || c->id == id)
+               if (status == IGT_DRM_CLIENT_FREE ||
+                   (drm_minor == c->drm_minor && c->id == id))
                        return c;
        }
 
@@ -119,9 +120,10 @@ igt_drm_client_add(struct igt_drm_clients *clients,
 {
        struct igt_drm_client *c;
 
-       assert(!igt_drm_clients_find(clients, IGT_DRM_CLIENT_ALIVE, info->id));
+       assert(!igt_drm_clients_find(clients, IGT_DRM_CLIENT_ALIVE,
+                                    drm_minor, info->id));
 
-       c = igt_drm_clients_find(clients, IGT_DRM_CLIENT_FREE, 0);
+       c = igt_drm_clients_find(clients, IGT_DRM_CLIENT_FREE, 0, 0);
        if (!c) {
                unsigned int idx = clients->num_clients;
 
@@ -411,11 +413,11 @@ igt_drm_clients_scan(struct igt_drm_clients *clients,
                                continue;
 
                        if (igt_drm_clients_find(clients, IGT_DRM_CLIENT_ALIVE,
-                                               info.id))
+                                                minor, info.id))
                                continue; /* Skip duplicate fds. */
 
                        c = igt_drm_clients_find(clients, IGT_DRM_CLIENT_PROBE,
-                                               info.id);
+                                                minor, info.id);
                        if (!c)
                                igt_drm_client_add(clients, &info, client_pid,
                                                   client_name, minor);
-- 
2.34.1