commit 232351777cd0fe2341f917d28bf130df2b44bf8a
author Adam Jackson <ajax@redhat.com> Thu Sep 20 16:42:45 2012 -0400
committer Daniel Vetter <daniel.vetter@ffwll.ch> Tue Oct 02 18:06:07 2012 +0200
tree d87db183b51bc5bb848508e0436bed177c7fb2d0
parent 7883dc55e126d49770dda49864831f5998ad12fb

drm/dp: Make sink count DP 1.2 aware

Signed-off-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/intel_dp.c

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 4f2a381..c63f54e 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2101,13 +2101,12 @@
 	/* If we're HPD-aware, SINK_COUNT changes dynamically */
 	hpd = !!(intel_dp->downstream_ports[0] & DP_DS_PORT_HPD);
 	if (hpd) {
-		uint8_t sink_count;
+		uint8_t reg;
 		if (!intel_dp_aux_native_read_retry(intel_dp, DP_SINK_COUNT,
-						    &sink_count, 1))
+						    &reg, 1))
 			return connector_status_unknown;
-		sink_count &= DP_SINK_COUNT_MASK;
-		return sink_count ? connector_status_connected
-				  : connector_status_disconnected;
+		return DP_GET_SINK_COUNT(reg) ? connector_status_connected
+					      : connector_status_disconnected;
 	}
 
 	/* If no HPD, poke DDC gently */