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drm/i915/bxt: Correct dual-link MIPI port control.
author
Bob Paauwe
<bob.j.paauwe@intel.com>
Mon, 21 Nov 2016 22:24:06 +0000
(14:24 -0800)
committer
Ville Syrjälä
<ville.syrjala@linux.intel.com>
Wed, 23 Nov 2016 20:18:05 +0000
(22:18 +0200)
For BXT, there is only one bit that enables/disables dual-link mode
and not different bits depending on which pipe is being used.
Signed-off-by: Bob Paauwe <bob.j.paauwe@intel.com>
Link:
http://patchwork.freedesktop.org/patch/msgid/1479767046-3964-1-git-send-email-bob.j.paauwe@intel.com
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
drivers/gpu/drm/i915/intel_dsi.c
patch
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diff --git
a/drivers/gpu/drm/i915/intel_dsi.c
b/drivers/gpu/drm/i915/intel_dsi.c
index
4e0d025
..
a35c141
100644
(file)
--- a/
drivers/gpu/drm/i915/intel_dsi.c
+++ b/
drivers/gpu/drm/i915/intel_dsi.c
@@
-476,7
+476,10
@@
static void intel_dsi_port_enable(struct intel_encoder *encoder)
if (intel_dsi->ports == (BIT(PORT_A) | BIT(PORT_C))) {
temp |= (intel_dsi->dual_link - 1)
<< DUAL_LINK_MODE_SHIFT;
- temp |= intel_crtc->pipe ?
+ if (IS_BROXTON(dev_priv))
+ temp |= LANE_CONFIGURATION_DUAL_LINK_A;
+ else
+ temp |= intel_crtc->pipe ?
LANE_CONFIGURATION_DUAL_LINK_B :
LANE_CONFIGURATION_DUAL_LINK_A;
}