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authorJani Nikula <jani.nikula@intel.com>2017-04-06 16:44:14 +0300
committerJani Nikula <jani.nikula@intel.com>2017-04-11 16:54:31 +0300
commit3d65a735d8341830ef8ec57e290ed785b01085a1 (patch)
treef040ba8b65616b77218c0881957bf34a6ba4f26e /drivers/gpu/drm/i915/intel_dp.c
parent540b0b7fe915858870be6cfe0fecd1fa85ccb4d6 (diff)
downloadop-kernel-dev-3d65a735d8341830ef8ec57e290ed785b01085a1.zip
op-kernel-dev-3d65a735d8341830ef8ec57e290ed785b01085a1.tar.gz
drm/i915/mst: use max link not sink lane count
The source might not support as many lanes as the sink, or the link training might have failed at higher lane counts. Take these into account. Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Cc: Manasi Navare <manasi.d.navare@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Manasi Navare <manasi.d.navare@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/cf59530acafaf9258fb643d321ad251b44f34e29.1491485983.git.jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index b3df208..95f2278 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -177,7 +177,7 @@ static int intel_dp_max_common_lane_count(struct intel_dp *intel_dp)
return min(source_max, sink_max);
}
-static int intel_dp_max_lane_count(struct intel_dp *intel_dp)
+int intel_dp_max_lane_count(struct intel_dp *intel_dp)
{
return intel_dp->max_link_lane_count;
}
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