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Commit 6547fef8 authored by Paulo Zanoni's avatar Paulo Zanoni Committed by Daniel Vetter
Browse files

drm/i915: add DP support to intel_enable_ddi 



We should only write the DDI_BUF_CTL at this point for HDMI/DVI. For
DP we need to do this earlier, and the values written to the register
are also different.

Signed-off-by: default avatarPaulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: default avatarDamien Lespiau <damien.lespiau@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent fe43d3f5

drivers/gpu/drm/i915/intel_ddi.c

+12 −9
Original line number Diff line number Diff line
@@ -1122,19 +1122,22 @@ void intel_ddi_post_disable(struct intel_encoder *intel_encoder) 
	I915_WRITE(PORT_CLK_SEL(port), PORT_CLK_SEL_NONE);

}



void intel_enable_ddi(struct intel_encoder *encoder)

void intel_enable_ddi(struct intel_encoder *intel_encoder)

{

	struct drm_device *dev = encoder->base.dev;

	struct drm_encoder *encoder = &intel_encoder->base;

	struct drm_device *dev = encoder->dev;

	struct drm_i915_private *dev_priv = dev->dev_private;

	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base);

	int port = intel_hdmi->ddi_port;

	enum port port = intel_ddi_get_encoder_port(intel_encoder);

	int type = intel_encoder->type;



	/* Enable DDI_BUF_CTL. In HDMI/DVI mode, the port width,

	 * and swing/emphasis values are ignored so nothing special needs

	 * to be done besides enabling the port.

	if (type == INTEL_OUTPUT_HDMI) {

		/* In HDMI/DVI mode, the port width, and swing/emphasis values

		 * are ignored so nothing special needs to be done besides

		 * enabling the port.

		 */

		I915_WRITE(DDI_BUF_CTL(port), DDI_BUF_CTL_ENABLE);

	}

}



void intel_disable_ddi(struct intel_encoder *encoder)

{