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Commit 0f3ee801 authored by Adam Jackson's avatar Adam Jackson Committed by Eric Anholt
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drm/i915: Allow LVDS on pipe A on gen4+ 



The gen4 docs say it works, so why not.  Tested on Ironlake.

Signed-off-by: default avatarAdam Jackson <ajax@redhat.com>
Signed-off-by: default avatarEric Anholt <eric@anholt.net>
parent 6443170f

drivers/gpu/drm/i915/intel_display.c

+3 −1
Original line number Diff line number Diff line
@@ -3303,7 +3303,9 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, 
			lvds_reg = PCH_LVDS;



		lvds = I915_READ(lvds_reg);

		lvds |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP | LVDS_PIPEB_SELECT;

		lvds |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP;

		if (pipe == 1)

			lvds |= LVDS_PIPEB_SELECT;

		/* set the corresponsding LVDS_BORDER bit */

		lvds |= dev_priv->lvds_border_bits;

		/* Set the B0-B3 data pairs corresponding to whether we're going to

drivers/gpu/drm/i915/intel_lvds.c

+2 −0
Original line number Diff line number Diff line
@@ -953,6 +953,8 @@ void intel_lvds_init(struct drm_device *dev) 


	intel_encoder->clone_mask = (1 << INTEL_LVDS_CLONE_BIT);

	intel_encoder->crtc_mask = (1 << 1);

	if (IS_I965G(dev))

		intel_encoder->crtc_mask |= (1 << 0);

	drm_encoder_helper_add(encoder, &intel_lvds_helper_funcs);

	drm_connector_helper_add(connector, &intel_lvds_connector_helper_funcs);

	connector->display_info.subpixel_order = SubPixelHorizontalRGB;