diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index c8fb9268fad..3eec29c75d2 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -6563,6 +6563,28 @@ static struct drm_crtc_helper_funcs intel_helper_funcs = { .disable = intel_crtc_disable, }; +bool intel_encoder_check_is_cloned(struct intel_encoder *encoder) +{ + struct intel_encoder *other_encoder; + struct drm_crtc *crtc = &encoder->new_crtc->base; + + if (WARN_ON(!crtc)) + return false; + + list_for_each_entry(other_encoder, + &crtc->dev->mode_config.encoder_list, + base.head) { + + if (&other_encoder->new_crtc->base != crtc || + encoder == other_encoder) + continue; + else + return true; + } + + return false; +} + static bool intel_encoder_crtc_ok(struct drm_encoder *encoder, struct drm_crtc *crtc) { |