[Intel-gfx] [PATCH 2/2] drm/mst: use DP_GET_SINK_COUNT() for sink count in ESI

[Jani Nikula]

Take bit 7 into account when reading sink count from
DP_DEVICE_SERVICE_IRQ_VECTOR_ESI0.

Signed-off-by: Jani Nikula <jani.nik...@intel.com>
---
 drivers/gpu/drm/drm_dp_mst_topology.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c 
b/drivers/gpu/drm/drm_dp_mst_topology.c
index f3d79eda94bb..ab4372e9fe43 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -4196,7 +4196,7 @@ int drm_dp_mst_hpd_irq(struct drm_dp_mst_topology_mgr 
*mgr, u8 *esi, bool *handl
        int ret = 0;
        int sc;
        *handled = false;
-       sc = esi[0] & 0x3f;
+       sc = DP_GET_SINK_COUNT(esi[0]);
 
        if (sc != mgr->sink_count) {
                mgr->sink_count = sc;
-- 
2.30.2