INTERNAL: Sort the render devices before open

The render devices Mesa get is disorder, sometimes open the dGPU render node which cause the video playback garbage. Tracked-On: OAM-112246 Signed-off-by: HeYue <[email protected]> Signed-off-by: Fei Jiang [email protected]
projectceladon · Sep 26, 2023 · bfd7541 · bfd7541
1 parent 195ae6c
commit bfd7541
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/src/egl/drivers/dri2/platform_android.c b/src/egl/drivers/dri2/platform_android.c
@@ -116,6 +116,16 @@ is_yuv(int native)
    return false;
 }
 
+static int compare_devices(const void *a, const void *b) {
+   const drmDevicePtr device_a = *(const drmDevicePtr *)a;
+   const drmDevicePtr device_b = *(const drmDevicePtr *)b;
+   char *name_a = device_a->nodes[DRM_NODE_RENDER];
+   char *name_b = device_b->nodes[DRM_NODE_RENDER];
+   int num_a = atoi(name_a + 16); // skip "/dev/dri/renderD" prefix
+   int num_b = atoi(name_b + 16);
+   return num_a - num_b;
+}
+
 static int
 get_format_bpp(int native)
 {
@@ -1742,6 +1752,8 @@ droid_open_device(_EGLDisplay *disp, bool swrast)
    if (num_devices < 0)
       return EGL_FALSE;
 
+   qsort(devices, num_devices, sizeof(drmDevicePtr), compare_devices);
+
    for (int i = 0; i < num_devices; i++) {
       device = devices[i];