Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=64270
v2:
- Make sure also that the GPU is idle at start and error exit of any
test using drm_open_any(). (Daniel)
v3:
- actually call gem_quiescent_gpu() at exit
Signed-off-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
}
/** Open the first DRM device we can find, searching up to 16 device nodes */
-int drm_open_any(void)
+static int __drm_open_any(void)
{
char *name;
int ret, fd;
return fd;
}
+static void quiescent_gpu_at_exit(int sig)
+{
+ int fd;
+
+ fd = __drm_open_any();
+ if (fd >= 0) {
+ gem_quiescent_gpu(fd);
+ close(fd);
+ }
+}
+
+int drm_open_any(void)
+{
+ static int open_count;
+ int fd = __drm_open_any();
+
+ if (fd < 0 || __sync_fetch_and_add(&open_count, 1))
+ return fd;
+
+ gem_quiescent_gpu(fd);
+ drmtest_install_exit_handler(quiescent_gpu_at_exit);
+
+ return fd;
+}
+
/**
* Open the first DRM device we can find where we end up being the master.
*/