diff options
| -rw-r--r-- | src/drmmode_display.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/drmmode_display.c b/src/drmmode_display.c index d78a82ac..29c3ff17 100644 --- a/src/drmmode_display.c +++ b/src/drmmode_display.c @@ -951,12 +951,17 @@ uint32_t find_clones(ScrnInfoPtr scrn, xf86OutputPtr output) xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); int index_mask = 0; + if (drmmode_output->enc_clone_mask == 0) + return index_mask; + for (i = 0; i < xf86_config->num_output; i++) { clone_output = xf86_config->output[i]; clone_drmout = clone_output->driver_private; if (output == clone_output) continue; + if (clone_drmout->enc_mask == 0) + continue; if (drmmode_output->enc_clone_mask == clone_drmout->enc_mask) index_mask |= (1 << i); } |