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drm/i915: Clear the LVDS pipe B select bit when moving the LVDS to pipe A.
author
Eric Anholt
<eric@anholt.net>
Fri, 9 Apr 2010 21:18:55 +0000
(14:18 -0700)
committer
Eric Anholt
<eric@anholt.net>
Mon, 12 Apr 2010 16:23:36 +0000
(09:23 -0700)
Based on a patch by Zhao Yakui.
Signed-off-by: Eric Anholt <eric@anholt.net>
drivers/gpu/drm/i915/intel_display.c
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diff --git
a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index
eb4a265
..
9b59979
100644
(file)
--- a/
drivers/gpu/drm/i915/intel_display.c
+++ b/
drivers/gpu/drm/i915/intel_display.c
@@
-3306,6
+3306,8
@@
static int intel_crtc_mode_set(struct drm_crtc *crtc,
lvds |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP;
if (pipe == 1)
lvds |= LVDS_PIPEB_SELECT;
+ else
+ 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