Retrace: Fix Intel-specific gpu check

The check for pinned gpu clock rates only works for Intel platforms.
A defensive check is necessary to enable AMD.

suggested-by: Marek Olšák <marek.olsak@amd.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/retrace/daemon/glframe_gpu_speed_linux.cpp b/retrace/daemon/glframe_gpu_speed_linux.cpp
index 31ac1e72..ac5f0010 100644
--- a/retrace/daemon/glframe_gpu_speed_linux.cpp
+++ b/retrace/daemon/glframe_gpu_speed_linux.cpp
@@ -47,6 +47,9 @@ glretrace::check_gpu_speed(OnFrameRetrace *callback) {
   const int max_rate = atoi(reinterpret_cast<char*>(buf.data()));
   fclose(fh);
   fh = fopen("/sys/class/drm/card0/gt_min_freq_mhz", "r");
+  if (!fh)
+    // non-intel hardware
+    return;
   bytes = fread(buf.data(), 1, 99, fh);
   buf[bytes] = '\0';
   const int min_rate = atoi(reinterpret_cast<char*>(buf.data()));