From 0f3ee801b332d6ff22285386675fe5aaedf035c3 Mon Sep 17 00:00:00 2001 From: Adam Jackson Date: Wed, 31 Mar 2010 11:41:51 -0400 Subject: [PATCH] drm/i915: Allow LVDS on pipe A on gen4+ The gen4 docs say it works, so why not. Tested on Ironlake. Signed-off-by: Adam Jackson Signed-off-by: Eric Anholt --- drivers/gpu/drm/i915/intel_display.c | 4 +++- drivers/gpu/drm/i915/intel_lvds.c | 2 ++ 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 5a698008206..eb4a265861e 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -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 diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index bc0ab7d57db..a69de00320b 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -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; -- 2.41.0