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>
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@ -95,6 +95,25 @@ static struct intel_dp *intel_attached_dp(struct drm_connector *connector)
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struct intel_dp, base);
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struct intel_dp, base);
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}
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}
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/**
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* intel_encoder_is_pch_edp - is the given encoder a PCH attached eDP?
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* @encoder: DRM encoder
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*
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* Return true if @encoder corresponds to a PCH attached eDP panel. Needed
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* by intel_display.c.
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*/
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bool intel_encoder_is_pch_edp(struct drm_encoder *encoder)
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{
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struct intel_dp *intel_dp;
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if (!encoder)
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return false;
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intel_dp = enc_to_intel_dp(encoder);
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return is_pch_edp(intel_dp);
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}
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static void intel_dp_start_link_train(struct intel_dp *intel_dp);
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static void intel_dp_start_link_train(struct intel_dp *intel_dp);
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static void intel_dp_complete_link_train(struct intel_dp *intel_dp);
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static void intel_dp_complete_link_train(struct intel_dp *intel_dp);
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static void intel_dp_link_down(struct intel_dp *intel_dp);
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static void intel_dp_link_down(struct intel_dp *intel_dp);
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@ -212,6 +212,7 @@ intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
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extern bool intel_pch_has_edp(struct drm_crtc *crtc);
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extern bool intel_pch_has_edp(struct drm_crtc *crtc);
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extern bool intel_dpd_is_edp(struct drm_device *dev);
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extern bool intel_dpd_is_edp(struct drm_device *dev);
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extern void intel_edp_link_config (struct intel_encoder *, int *, int *);
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extern void intel_edp_link_config (struct intel_encoder *, int *, int *);
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extern bool intel_encoder_is_pch_edp(struct drm_encoder *encoder);
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/* intel_panel.c */
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/* intel_panel.c */
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extern void intel_fixed_panel_mode(struct drm_display_mode *fixed_mode,
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extern void intel_fixed_panel_mode(struct drm_display_mode *fixed_mode,
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