drm/i915: add eDP checking functions for the display code
The display code needs to distinguish between CPU and PCH attached eDP
panels, so add some helpers to handle that.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 40e99bf..c946c48 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -212,6 +212,7 @@
extern bool intel_pch_has_edp(struct drm_crtc *crtc);
extern bool intel_dpd_is_edp(struct drm_device *dev);
extern void intel_edp_link_config (struct intel_encoder *, int *, int *);
+extern bool intel_encoder_is_pch_edp(struct drm_encoder *encoder);
/* intel_panel.c */
extern void intel_fixed_panel_mode(struct drm_display_mode *fixed_mode,