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authorMika Westerberg <mika.westerberg@linux.intel.com>2021-11-18 09:12:15 +0200
committerMika Westerberg <mika.westerberg@linux.intel.com>2021-12-07 15:18:34 +0300
commitce05b997426df4c5321358e369f1f32f257c57a9 (patch)
tree5319e7cef3e6b5ee280b9213353185ba87956c34 /drivers/thunderbolt
parente5bb88e961e5e3e72e3cc3a866a232115bd15e1e (diff)
thunderbolt: Add debug logging of DisplayPort resource allocation
Add more debugging around DP resource allocation/de-allocation. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Diffstat (limited to 'drivers/thunderbolt')
-rw-r--r--drivers/thunderbolt/switch.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
index e00f4b878b56..13f9230104d7 100644
--- a/drivers/thunderbolt/switch.c
+++ b/drivers/thunderbolt/switch.c
@@ -3056,9 +3056,20 @@ bool tb_switch_query_dp_resource(struct tb_switch *sw, struct tb_port *in)
*/
int tb_switch_alloc_dp_resource(struct tb_switch *sw, struct tb_port *in)
{
+ int ret;
+
if (tb_switch_is_usb4(sw))
- return usb4_switch_alloc_dp_resource(sw, in);
- return tb_lc_dp_sink_alloc(sw, in);
+ ret = usb4_switch_alloc_dp_resource(sw, in);
+ else
+ ret = tb_lc_dp_sink_alloc(sw, in);
+
+ if (ret)
+ tb_sw_warn(sw, "failed to allocate DP resource for port %d\n",
+ in->port);
+ else
+ tb_sw_dbg(sw, "allocated DP resource for port %d\n", in->port);
+
+ return ret;
}
/**
@@ -3081,6 +3092,8 @@ void tb_switch_dealloc_dp_resource(struct tb_switch *sw, struct tb_port *in)
if (ret)
tb_sw_warn(sw, "failed to de-allocate DP resource for port %d\n",
in->port);
+ else
+ tb_sw_dbg(sw, "released DP resource for port %d\n", in->port);
}
struct tb_sw_lookup {