From c19b0669925cb00dc1c7b2362bfa85128afba882 Mon Sep 17 00:00:00 2001 From: Paulo Zanoni Date: Mon, 15 Oct 2012 15:51:41 -0300 Subject: drm/i915: implement Haswell DP link train sequence Previous patch "drm/i915: add basic Haswell DP link train bits" implemented the basic structure to set the voltage levels and training patterns. This patch adds the higher-level bits that are part of the mode set sequence and hot plug. Signed-off-by: Paulo Zanoni Reviewed-by: Damien Lespiau Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_drv.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/gpu/drm/i915/intel_drv.h') diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index d89d428ac6ec..95cbd67ebf97 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -423,6 +423,9 @@ void intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode); extern void intel_dp_init_link_config(struct intel_dp *intel_dp); +extern void intel_dp_start_link_train(struct intel_dp *intel_dp); +extern void intel_dp_complete_link_train(struct intel_dp *intel_dp); +extern void intel_dp_sink_dpms(struct intel_dp *intel_dp, int mode); extern bool intel_dpd_is_edp(struct drm_device *dev); extern void intel_edp_link_config(struct intel_encoder *, int *, int *); extern int intel_edp_target_clock(struct intel_encoder *, @@ -599,5 +602,6 @@ extern void intel_ddi_pre_enable(struct intel_encoder *intel_encoder); extern void intel_ddi_post_disable(struct intel_encoder *intel_encoder); extern void intel_ddi_put_crtc_pll(struct drm_crtc *crtc); extern void intel_ddi_set_pipe_settings(struct drm_crtc *crtc); +extern void intel_ddi_prepare_link_retrain(struct drm_encoder *encoder); #endif /* __INTEL_DRV_H__ */ -- cgit v1.2.3