overlay: Use new i915_frequency_info in fallback code

Actually use the new location to get frequency information when perf is
not available.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 5 insertions, 1 deletions

diff --git a/overlay/gpu-freq.c b/overlay/gpu-freq.c
index 6b3f8677..08b1bff7 100644
--- a/overlay/gpu-freq.c
+++ b/overlay/gpu-freq.c
@@ -124,8 +124,12 @@ int gpu_freq_update(struct gpu_freq *gf)
 		char buf[4096], *s;
 		int fd, len = -1;
 
-		sprintf(buf, "%s/i915_cur_delayinfo", debugfs_dri_path);
+		sprintf(buf, "%s/i915_frequency_info", debugfs_dri_path);
 		fd = open(buf, 0);
+		if (fd < 0) {
+			sprintf(buf, "%s/i915_cur_delayinfo", debugfs_dri_path);
+			fd = open(buf, 0);
+		}
 		if (fd < 0)
 			return gf->error = errno;