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Commit 814948ad authored by Jesse Barnes's avatar Jesse Barnes Committed by Chris Wilson
Browse files

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: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
parent 51190667

drivers/gpu/drm/i915/intel_dp.c

+19 −0
Original line number Diff line number Diff line
@@ -95,6 +95,25 @@ static struct intel_dp *intel_attached_dp(struct drm_connector *connector) 
			    struct intel_dp, base);

}



/**

 * intel_encoder_is_pch_edp - is the given encoder a PCH attached eDP?

 * @encoder: DRM encoder

 *

 * Return true if @encoder corresponds to a PCH attached eDP panel.  Needed

 * by intel_display.c.

 */

bool intel_encoder_is_pch_edp(struct drm_encoder *encoder)

{

	struct intel_dp *intel_dp;



	if (!encoder)

		return false;



	intel_dp = enc_to_intel_dp(encoder);



	return is_pch_edp(intel_dp);

}



static void intel_dp_start_link_train(struct intel_dp *intel_dp);

static void intel_dp_complete_link_train(struct intel_dp *intel_dp);

static void intel_dp_link_down(struct intel_dp *intel_dp);

drivers/gpu/drm/i915/intel_drv.h

+1 −0
Original line number Diff line number Diff line
@@ -212,6 +212,7 @@ intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode, 
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,