[Intel-gfx] [PATCH v4 01/16] drm/dp_mst: Rename drm_dp_mst_get_validated_(port|mstb)_ref and friends
Lyude Paul
lyude at redhat.com
Sat Jan 5 00:14:51 UTC 2019
s/drm_dp_get_validated_port_ref/drm_dp_mst_topology_get_port_validated/
s/drm_dp_put_port/drm_dp_mst_topology_put_port/
s/drm_dp_get_validated_mstb_ref/drm_dp_mst_topology_get_mstb_validated/
s/drm_dp_put_mst_branch_device/drm_dp_mst_topology_put_mstb/
This is a much more consistent naming scheme, and will make even more
sense once we redesign how the current refcounting scheme here works.
Signed-off-by: Lyude Paul <lyude at redhat.com>
Reviewed-by: Daniel Vetter <daniel at ffwll.ch>
Cc: David Airlie <airlied at redhat.com>
Cc: Jerry Zuo <Jerry.Zuo at amd.com>
Cc: Harry Wentland <harry.wentland at amd.com>
Cc: Juston Li <juston.li at intel.com>
---
drivers/gpu/drm/drm_dp_mst_topology.c | 114 ++++++++++++++------------
1 file changed, 62 insertions(+), 52 deletions(-)
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index 2ab16c9e6243..6f9b211069a7 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -46,7 +46,7 @@ static bool dump_dp_payload_table(struct drm_dp_mst_topology_mgr *mgr,
char *buf);
static int test_calc_pbn_mode(void);
-static void drm_dp_put_port(struct drm_dp_mst_port *port);
+static void drm_dp_mst_topology_put_port(struct drm_dp_mst_port *port);
static int drm_dp_dpcd_write_payload(struct drm_dp_mst_topology_mgr *mgr,
int id,
@@ -888,7 +888,7 @@ static void drm_dp_destroy_mst_branch_device(struct kref *kref)
*/
list_for_each_entry_safe(port, tmp, &mstb->ports, next) {
list_del(&port->next);
- drm_dp_put_port(port);
+ drm_dp_mst_topology_put_port(port);
}
/* drop any tx slots msg */
@@ -911,7 +911,7 @@ static void drm_dp_destroy_mst_branch_device(struct kref *kref)
kref_put(kref, drm_dp_free_mst_branch_device);
}
-static void drm_dp_put_mst_branch_device(struct drm_dp_mst_branch *mstb)
+static void drm_dp_mst_topology_put_mstb(struct drm_dp_mst_branch *mstb)
{
kref_put(&mstb->kref, drm_dp_destroy_mst_branch_device);
}
@@ -930,7 +930,7 @@ static void drm_dp_port_teardown_pdt(struct drm_dp_mst_port *port, int old_pdt)
case DP_PEER_DEVICE_MST_BRANCHING:
mstb = port->mstb;
port->mstb = NULL;
- drm_dp_put_mst_branch_device(mstb);
+ drm_dp_mst_topology_put_mstb(mstb);
break;
}
}
@@ -970,12 +970,14 @@ static void drm_dp_destroy_port(struct kref *kref)
kfree(port);
}
-static void drm_dp_put_port(struct drm_dp_mst_port *port)
+static void drm_dp_mst_topology_put_port(struct drm_dp_mst_port *port)
{
kref_put(&port->kref, drm_dp_destroy_port);
}
-static struct drm_dp_mst_branch *drm_dp_mst_get_validated_mstb_ref_locked(struct drm_dp_mst_branch *mstb, struct drm_dp_mst_branch *to_find)
+static struct drm_dp_mst_branch *
+drm_dp_mst_topology_get_mstb_validated_locked(struct drm_dp_mst_branch *mstb,
+ struct drm_dp_mst_branch *to_find)
{
struct drm_dp_mst_port *port;
struct drm_dp_mst_branch *rmstb;
@@ -985,7 +987,8 @@ static struct drm_dp_mst_branch *drm_dp_mst_get_validated_mstb_ref_locked(struct
}
list_for_each_entry(port, &mstb->ports, next) {
if (port->mstb) {
- rmstb = drm_dp_mst_get_validated_mstb_ref_locked(port->mstb, to_find);
+ rmstb = drm_dp_mst_topology_get_mstb_validated_locked(
+ port->mstb, to_find);
if (rmstb)
return rmstb;
}
@@ -993,12 +996,15 @@ static struct drm_dp_mst_branch *drm_dp_mst_get_validated_mstb_ref_locked(struct
return NULL;
}
-static struct drm_dp_mst_branch *drm_dp_get_validated_mstb_ref(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_branch *mstb)
+static struct drm_dp_mst_branch *
+drm_dp_mst_topology_get_mstb_validated(struct drm_dp_mst_topology_mgr *mgr,
+ struct drm_dp_mst_branch *mstb)
{
struct drm_dp_mst_branch *rmstb = NULL;
mutex_lock(&mgr->lock);
if (mgr->mst_primary)
- rmstb = drm_dp_mst_get_validated_mstb_ref_locked(mgr->mst_primary, mstb);
+ rmstb = drm_dp_mst_topology_get_mstb_validated_locked(
+ mgr->mst_primary, mstb);
mutex_unlock(&mgr->lock);
return rmstb;
}
@@ -1021,7 +1027,9 @@ static struct drm_dp_mst_port *drm_dp_mst_get_port_ref_locked(struct drm_dp_mst_
return NULL;
}
-static struct drm_dp_mst_port *drm_dp_get_validated_port_ref(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port)
+static struct drm_dp_mst_port *
+drm_dp_mst_topology_get_port_validated(struct drm_dp_mst_topology_mgr *mgr,
+ struct drm_dp_mst_port *port)
{
struct drm_dp_mst_port *rport = NULL;
mutex_lock(&mgr->lock);
@@ -1210,7 +1218,7 @@ static void drm_dp_add_port(struct drm_dp_mst_branch *mstb,
list_del(&port->next);
mutex_unlock(&mstb->mgr->lock);
/* drop port list reference */
- drm_dp_put_port(port);
+ drm_dp_mst_topology_put_port(port);
goto out;
}
if ((port->pdt == DP_PEER_DEVICE_DP_LEGACY_CONV ||
@@ -1224,7 +1232,7 @@ static void drm_dp_add_port(struct drm_dp_mst_branch *mstb,
out:
/* put reference to this port */
- drm_dp_put_port(port);
+ drm_dp_mst_topology_put_port(port);
}
static void drm_dp_update_port(struct drm_dp_mst_branch *mstb,
@@ -1259,7 +1267,7 @@ static void drm_dp_update_port(struct drm_dp_mst_branch *mstb,
dowork = true;
}
- drm_dp_put_port(port);
+ drm_dp_mst_topology_put_port(port);
if (dowork)
queue_work(system_long_wq, &mstb->mgr->work);
@@ -1362,10 +1370,11 @@ static void drm_dp_check_and_send_link_address(struct drm_dp_mst_topology_mgr *m
drm_dp_send_enum_path_resources(mgr, mstb, port);
if (port->mstb) {
- mstb_child = drm_dp_get_validated_mstb_ref(mgr, port->mstb);
+ mstb_child = drm_dp_mst_topology_get_mstb_validated(
+ mgr, port->mstb);
if (mstb_child) {
drm_dp_check_and_send_link_address(mgr, mstb_child);
- drm_dp_put_mst_branch_device(mstb_child);
+ drm_dp_mst_topology_put_mstb(mstb_child);
}
}
}
@@ -1384,7 +1393,7 @@ static void drm_dp_mst_link_probe_work(struct work_struct *work)
mutex_unlock(&mgr->lock);
if (mstb) {
drm_dp_check_and_send_link_address(mgr, mstb);
- drm_dp_put_mst_branch_device(mstb);
+ drm_dp_mst_topology_put_mstb(mstb);
}
}
@@ -1726,17 +1735,17 @@ static int drm_dp_payload_send_msg(struct drm_dp_mst_topology_mgr *mgr,
u8 sinks[DRM_DP_MAX_SDP_STREAMS];
int i;
- port = drm_dp_get_validated_port_ref(mgr, port);
+ port = drm_dp_mst_topology_get_port_validated(mgr, port);
if (!port)
return -EINVAL;
port_num = port->port_num;
- mstb = drm_dp_get_validated_mstb_ref(mgr, port->parent);
+ mstb = drm_dp_mst_topology_get_mstb_validated(mgr, port->parent);
if (!mstb) {
mstb = drm_dp_get_last_connected_port_and_mstb(mgr, port->parent, &port_num);
if (!mstb) {
- drm_dp_put_port(port);
+ drm_dp_mst_topology_put_port(port);
return -EINVAL;
}
}
@@ -1766,8 +1775,8 @@ static int drm_dp_payload_send_msg(struct drm_dp_mst_topology_mgr *mgr,
}
kfree(txmsg);
fail_put:
- drm_dp_put_mst_branch_device(mstb);
- drm_dp_put_port(port);
+ drm_dp_mst_topology_put_mstb(mstb);
+ drm_dp_mst_topology_put_port(port);
return ret;
}
@@ -1777,13 +1786,13 @@ int drm_dp_send_power_updown_phy(struct drm_dp_mst_topology_mgr *mgr,
struct drm_dp_sideband_msg_tx *txmsg;
int len, ret;
- port = drm_dp_get_validated_port_ref(mgr, port);
+ port = drm_dp_mst_topology_get_port_validated(mgr, port);
if (!port)
return -EINVAL;
txmsg = kzalloc(sizeof(*txmsg), GFP_KERNEL);
if (!txmsg) {
- drm_dp_put_port(port);
+ drm_dp_mst_topology_put_port(port);
return -ENOMEM;
}
@@ -1799,7 +1808,7 @@ int drm_dp_send_power_updown_phy(struct drm_dp_mst_topology_mgr *mgr,
ret = 0;
}
kfree(txmsg);
- drm_dp_put_port(port);
+ drm_dp_mst_topology_put_port(port);
return ret;
}
@@ -1888,7 +1897,8 @@ int drm_dp_update_payload_part1(struct drm_dp_mst_topology_mgr *mgr)
if (vcpi) {
port = container_of(vcpi, struct drm_dp_mst_port,
vcpi);
- port = drm_dp_get_validated_port_ref(mgr, port);
+ port = drm_dp_mst_topology_get_port_validated(mgr,
+ port);
if (!port) {
mutex_unlock(&mgr->payload_lock);
return -EINVAL;
@@ -1925,7 +1935,7 @@ int drm_dp_update_payload_part1(struct drm_dp_mst_topology_mgr *mgr)
cur_slots += req_payload.num_slots;
if (port)
- drm_dp_put_port(port);
+ drm_dp_mst_topology_put_port(port);
}
for (i = 0; i < mgr->max_payloads; i++) {
@@ -2024,7 +2034,7 @@ static int drm_dp_send_dpcd_write(struct drm_dp_mst_topology_mgr *mgr,
struct drm_dp_sideband_msg_tx *txmsg;
struct drm_dp_mst_branch *mstb;
- mstb = drm_dp_get_validated_mstb_ref(mgr, port->parent);
+ mstb = drm_dp_mst_topology_get_mstb_validated(mgr, port->parent);
if (!mstb)
return -EINVAL;
@@ -2048,7 +2058,7 @@ static int drm_dp_send_dpcd_write(struct drm_dp_mst_topology_mgr *mgr,
}
kfree(txmsg);
fail_put:
- drm_dp_put_mst_branch_device(mstb);
+ drm_dp_mst_topology_put_mstb(mstb);
return ret;
}
@@ -2192,7 +2202,7 @@ int drm_dp_mst_topology_mgr_set_mst(struct drm_dp_mst_topology_mgr *mgr, bool ms
out_unlock:
mutex_unlock(&mgr->lock);
if (mstb)
- drm_dp_put_mst_branch_device(mstb);
+ drm_dp_mst_topology_put_mstb(mstb);
return ret;
}
@@ -2357,7 +2367,7 @@ static int drm_dp_mst_handle_down_rep(struct drm_dp_mst_topology_mgr *mgr)
mgr->down_rep_recv.initial_hdr.lct,
mgr->down_rep_recv.initial_hdr.rad[0],
mgr->down_rep_recv.msg[0]);
- drm_dp_put_mst_branch_device(mstb);
+ drm_dp_mst_topology_put_mstb(mstb);
memset(&mgr->down_rep_recv, 0, sizeof(struct drm_dp_sideband_msg_rx));
return 0;
}
@@ -2368,7 +2378,7 @@ static int drm_dp_mst_handle_down_rep(struct drm_dp_mst_topology_mgr *mgr)
}
memset(&mgr->down_rep_recv, 0, sizeof(struct drm_dp_sideband_msg_rx));
- drm_dp_put_mst_branch_device(mstb);
+ drm_dp_mst_topology_put_mstb(mstb);
mutex_lock(&mgr->qlock);
txmsg->state = DRM_DP_SIDEBAND_TX_RX;
@@ -2441,7 +2451,7 @@ static int drm_dp_mst_handle_up_req(struct drm_dp_mst_topology_mgr *mgr)
}
if (mstb)
- drm_dp_put_mst_branch_device(mstb);
+ drm_dp_mst_topology_put_mstb(mstb);
memset(&mgr->up_req_recv, 0, sizeof(struct drm_dp_sideband_msg_rx));
}
@@ -2501,7 +2511,7 @@ enum drm_connector_status drm_dp_mst_detect_port(struct drm_connector *connector
enum drm_connector_status status = connector_status_disconnected;
/* we need to search for the port in the mgr in case its gone */
- port = drm_dp_get_validated_port_ref(mgr, port);
+ port = drm_dp_mst_topology_get_port_validated(mgr, port);
if (!port)
return connector_status_disconnected;
@@ -2526,7 +2536,7 @@ enum drm_connector_status drm_dp_mst_detect_port(struct drm_connector *connector
break;
}
out:
- drm_dp_put_port(port);
+ drm_dp_mst_topology_put_port(port);
return status;
}
EXPORT_SYMBOL(drm_dp_mst_detect_port);
@@ -2543,11 +2553,11 @@ bool drm_dp_mst_port_has_audio(struct drm_dp_mst_topology_mgr *mgr,
{
bool ret = false;
- port = drm_dp_get_validated_port_ref(mgr, port);
+ port = drm_dp_mst_topology_get_port_validated(mgr, port);
if (!port)
return ret;
ret = port->has_audio;
- drm_dp_put_port(port);
+ drm_dp_mst_topology_put_port(port);
return ret;
}
EXPORT_SYMBOL(drm_dp_mst_port_has_audio);
@@ -2567,7 +2577,7 @@ struct edid *drm_dp_mst_get_edid(struct drm_connector *connector, struct drm_dp_
struct edid *edid = NULL;
/* we need to search for the port in the mgr in case its gone */
- port = drm_dp_get_validated_port_ref(mgr, port);
+ port = drm_dp_mst_topology_get_port_validated(mgr, port);
if (!port)
return NULL;
@@ -2578,7 +2588,7 @@ struct edid *drm_dp_mst_get_edid(struct drm_connector *connector, struct drm_dp_
drm_connector_set_tile_property(connector);
}
port->has_audio = drm_detect_monitor_audio(edid);
- drm_dp_put_port(port);
+ drm_dp_mst_topology_put_port(port);
return edid;
}
EXPORT_SYMBOL(drm_dp_mst_get_edid);
@@ -2649,7 +2659,7 @@ int drm_dp_atomic_find_vcpi_slots(struct drm_atomic_state *state,
if (IS_ERR(topology_state))
return PTR_ERR(topology_state);
- port = drm_dp_get_validated_port_ref(mgr, port);
+ port = drm_dp_mst_topology_get_port_validated(mgr, port);
if (port == NULL)
return -EINVAL;
req_slots = DIV_ROUND_UP(pbn, mgr->pbn_div);
@@ -2657,14 +2667,14 @@ int drm_dp_atomic_find_vcpi_slots(struct drm_atomic_state *state,
req_slots, topology_state->avail_slots);
if (req_slots > topology_state->avail_slots) {
- drm_dp_put_port(port);
+ drm_dp_mst_topology_put_port(port);
return -ENOSPC;
}
topology_state->avail_slots -= req_slots;
DRM_DEBUG_KMS("vcpi slots avail=%d", topology_state->avail_slots);
- drm_dp_put_port(port);
+ drm_dp_mst_topology_put_port(port);
return req_slots;
}
EXPORT_SYMBOL(drm_dp_atomic_find_vcpi_slots);
@@ -2715,7 +2725,7 @@ bool drm_dp_mst_allocate_vcpi(struct drm_dp_mst_topology_mgr *mgr,
{
int ret;
- port = drm_dp_get_validated_port_ref(mgr, port);
+ port = drm_dp_mst_topology_get_port_validated(mgr, port);
if (!port)
return false;
@@ -2725,7 +2735,7 @@ bool drm_dp_mst_allocate_vcpi(struct drm_dp_mst_topology_mgr *mgr,
if (port->vcpi.vcpi > 0) {
DRM_DEBUG_KMS("payload: vcpi %d already allocated for pbn %d - requested pbn %d\n", port->vcpi.vcpi, port->vcpi.pbn, pbn);
if (pbn == port->vcpi.pbn) {
- drm_dp_put_port(port);
+ drm_dp_mst_topology_put_port(port);
return true;
}
}
@@ -2739,7 +2749,7 @@ bool drm_dp_mst_allocate_vcpi(struct drm_dp_mst_topology_mgr *mgr,
DRM_DEBUG_KMS("initing vcpi for pbn=%d slots=%d\n",
pbn, port->vcpi.num_slots);
- drm_dp_put_port(port);
+ drm_dp_mst_topology_put_port(port);
return true;
out:
return false;
@@ -2749,12 +2759,12 @@ 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);
+ port = drm_dp_mst_topology_get_port_validated(mgr, port);
if (!port)
return slots;
slots = port->vcpi.num_slots;
- drm_dp_put_port(port);
+ drm_dp_mst_topology_put_port(port);
return slots;
}
EXPORT_SYMBOL(drm_dp_mst_get_vcpi_slots);
@@ -2768,11 +2778,11 @@ EXPORT_SYMBOL(drm_dp_mst_get_vcpi_slots);
*/
void drm_dp_mst_reset_vcpi_slots(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port)
{
- port = drm_dp_get_validated_port_ref(mgr, port);
+ port = drm_dp_mst_topology_get_port_validated(mgr, port);
if (!port)
return;
port->vcpi.num_slots = 0;
- drm_dp_put_port(port);
+ drm_dp_mst_topology_put_port(port);
}
EXPORT_SYMBOL(drm_dp_mst_reset_vcpi_slots);
@@ -2783,7 +2793,7 @@ EXPORT_SYMBOL(drm_dp_mst_reset_vcpi_slots);
*/
void drm_dp_mst_deallocate_vcpi(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port)
{
- port = drm_dp_get_validated_port_ref(mgr, port);
+ port = drm_dp_mst_topology_get_port_validated(mgr, port);
if (!port)
return;
@@ -2792,7 +2802,7 @@ void drm_dp_mst_deallocate_vcpi(struct drm_dp_mst_topology_mgr *mgr, struct drm_
port->vcpi.pbn = 0;
port->vcpi.aligned_pbn = 0;
port->vcpi.vcpi = 0;
- drm_dp_put_port(port);
+ drm_dp_mst_topology_put_port(port);
}
EXPORT_SYMBOL(drm_dp_mst_deallocate_vcpi);
@@ -3292,7 +3302,7 @@ static int drm_dp_mst_i2c_xfer(struct i2c_adapter *adapter, struct i2c_msg *msgs
struct drm_dp_sideband_msg_tx *txmsg = NULL;
int ret;
- mstb = drm_dp_get_validated_mstb_ref(mgr, port->parent);
+ mstb = drm_dp_mst_topology_get_mstb_validated(mgr, port->parent);
if (!mstb)
return -EREMOTEIO;
@@ -3342,7 +3352,7 @@ static int drm_dp_mst_i2c_xfer(struct i2c_adapter *adapter, struct i2c_msg *msgs
}
out:
kfree(txmsg);
- drm_dp_put_mst_branch_device(mstb);
+ drm_dp_mst_topology_put_mstb(mstb);
return ret;
}
--
2.20.1
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