diff options
| -rw-r--r-- | linux-core/drm_crtc.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/linux-core/drm_crtc.c b/linux-core/drm_crtc.c index bf37730b..73ab10ec 100644 --- a/linux-core/drm_crtc.c +++ b/linux-core/drm_crtc.c @@ -870,6 +870,7 @@ static void drm_pick_crtcs (struct drm_device *dev) struct drm_output *output, *output_equal; struct drm_crtc *crtc; struct drm_display_mode *des_mode = NULL, *modes, *modes_equal; + int found; list_for_each_entry(output, &dev->mode_config.output_list, head) { output->crtc = NULL; @@ -890,17 +891,23 @@ static void drm_pick_crtcs (struct drm_device *dev) if (output->status != output_status_connected) continue; + if (list_empty(&output->modes)) + continue; + des_mode = NULL; + found = 0; list_for_each_entry(des_mode, &output->modes, head) { - if (des_mode->type & DRM_MODE_TYPE_PREFERRED) + if (des_mode->type & DRM_MODE_TYPE_PREFERRED) { + found = 1; break; + } } /* No preferred mode, let's just select the first available */ - if (!des_mode || !(des_mode->type & DRM_MODE_TYPE_PREFERRED)) { + if (!found) { + des_mode = NULL; list_for_each_entry(des_mode, &output->modes, head) { - if (des_mode) - break; + break; } } |