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authorHerbert Xu <herbert@gondor.apana.org.au>2015-06-19 22:07:07 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2015-06-19 22:07:07 +0800
commitc0b59fafe31bf91f589736be304d739b13952fdd (patch)
tree0088a41c6b68132739294643be06734e3af67677 /drivers/gpu/drm/drm_dp_mst_topology.c
parent28bceeaaf81140d69647acd0eb7dc9312f27844a (diff)
parentbfa1ce5f38938cc9e6c7f2d1011f88eba2b9e2b2 (diff)
Merge branch 'mvebu/drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Merge the mvebu/drivers branch of the arm-soc tree which contains just a single patch bfa1ce5f38938cc9e6c7f2d1011f88eba2b9e2b2 ("bus: mvebu-mbus: add mv_mbus_dram_info_nooverlap()") that happens to be a prerequisite of the new marvell/cesa crypto driver.
Diffstat (limited to 'drivers/gpu/drm/drm_dp_mst_topology.c')
-rw-r--r--drivers/gpu/drm/drm_dp_mst_topology.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index 379ab4555756..132581ca4ad8 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -2324,6 +2324,19 @@ out:
}
EXPORT_SYMBOL(drm_dp_mst_allocate_vcpi);
+int drm_dp_mst_get_vcpi_slots(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port)
+{
+ int slots = 0;
+ port = drm_dp_get_validated_port_ref(mgr, port);
+ if (!port)
+ return slots;
+
+ slots = port->vcpi.num_slots;
+ drm_dp_put_port(port);
+ return slots;
+}
+EXPORT_SYMBOL(drm_dp_mst_get_vcpi_slots);
+
/**
* drm_dp_mst_reset_vcpi_slots() - Reset number of slots to 0 for VCPI
* @mgr: manager for this port