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drm/i915: Allow LVDS on pipe A on gen4+

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

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Adam Jackson 2010-03-31 11:41:51 -04:00 committed by Eric Anholt
parent 6443170f6d
commit 0f3ee801b3
2 changed files with 5 additions and 1 deletions
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4
drivers/gpu/drm/i915/intel_display.c
View File

@ -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

2
drivers/gpu/drm/i915/intel_lvds.c
View File

@ -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;