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synce4l/SOURCES/synce4l-ql.patch

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commit a59358afe10326096c0e4330d705457a65176bb8
Author: Yochai Hagvi <yochai.hagvi@intel.com>
Date: Thu Nov 30 13:06:01 2023 +0200
synce4l: fix flows moving from best port to SMA
When synce4l best source is changed from port and SMA, due to SMA QL
update, some flows found broken.
on choose_best_source, when best source is changed, ibest_source should
be NULL since dev_update_ql uses the best_port for configuring
on dev_step_line_input, when rebuild_prio is set, this case should be
hit
(ML: backported to 1.0.0)
Signed-off-by: Yochai Hagvi <yochai.hagvi@intel.com>
diff --git a/synce_dev.c b/synce_dev.c
index cd5c787..70936a6 100644
--- a/synce_dev.c
+++ b/synce_dev.c
@@ -525,6 +525,7 @@ static void choose_best_source(struct synce_dev *dev)
dev->name);
} else {
dev->ext_src_is_best = ext_src_is_best;
+ dev->best_source = NULL;
/* if input source is changing
* current input is invalid, send DNU and wait
* for EEC being locked in further dev_step
@@ -555,14 +556,17 @@ static int dev_step_line_input(struct synce_dev *dev)
if (rx_ql_changed(dev)) {
choose_best_source(dev);
- } else if (dev->best_source && dev->best_source->type == PORT) {
- if (synce_port_rx_ql_failed(dev->best_source->port)) {
- synce_port_invalidate_rx_ql(dev->best_source->port);
- force_all_eecs_detach(dev);
- dev_update_ql(dev);
- dev->best_source = NULL;
- choose_best_source(dev);
- }
+ } else if (dev->best_source && dev->best_source->type == PORT &&
+ synce_port_rx_ql_failed(dev->best_source->port)) {
+ synce_port_invalidate_rx_ql(dev->best_source->port);
+ force_all_eecs_detach(dev);
+ dev_update_ql(dev);
+ dev->best_source = NULL;
+ choose_best_source(dev);
+ } else if (dev->rebuild_prio) {
+ choose_best_source(dev);
+ dev_update_ql(dev);
+ dev->rebuild_prio = 0;
}
return ret;
@@ -697,6 +701,7 @@ int synce_dev_init(struct synce_dev *dev, struct config *cfg)
dev->recover_time = config_get_int(cfg, dev->name, "recover_time");
dev->best_source = NULL;
dev->ext_src_is_best = false;
+ dev->rebuild_prio = 0;
eec_get_state_cmd = config_get_string(cfg, dev->name, "eec_get_state_cmd");
ess.holdover = config_get_string(cfg, dev->name, "eec_holdover_value");
ess.locked_ho = config_get_string(cfg, dev->name, "eec_locked_ho_value");
commit 08914289b154ef4467929a84f1b2bf72591e8857
Author: Miroslav Lichvar <mlichvar@redhat.com>
Date: Mon Jan 8 16:56:38 2024 +0100
Update port TX QL when external source locks
With multiple external sources, the transmitted QL was wrong if the best
source was not selected. When an external source locks, update the
forced QL of all ports to transmit the correct QL.
Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
diff --git a/synce_dev.c b/synce_dev.c
index 70936a6..b8bfd0f 100644
--- a/synce_dev.c
+++ b/synce_dev.c
@@ -664,6 +664,10 @@ static int dev_step_dpll(struct synce_dev *dev)
dev->best_source = active;
pr_info("EEC_LOCKED/EEC_LOCKED_HO_ACQ on %s of %s",
dev->best_source->ext_src->name, dev->name);
+ LIST_FOREACH(c, &dev->clock_sources, list) {
+ if (c->type == PORT)
+ set_port_ql_from_ext_src(dev, c->port, active->ext_src);
+ }
dev_update_ql(dev);
} else if (active->type == PORT) {
dev->ext_src_is_best = 0;
commit 0d6452efc885ec30547124b4c5570f4e6039ad69
Author: Miroslav Lichvar <mlichvar@redhat.com>
Date: Wed Jan 17 14:15:16 2024 +0100
Add functions for clearing priority of individual pins
Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
diff --git a/dpll_mon.c b/dpll_mon.c
index 0f0648c..14e5354 100644
--- a/dpll_mon.c
+++ b/dpll_mon.c
@@ -972,7 +972,7 @@ int set_prio(struct dpll_mon *dm, uint32_t pin_id, uint32_t prio)
dm->dpll_id, prio);
}
-static int dpll_mon_pin_prio_clear(struct dpll_mon *dm, struct dpll_mon_pin *pin)
+int dpll_mon_pin_prio_clear(struct dpll_mon *dm, struct dpll_mon_pin *pin)
{
struct dpll_mon_pin *parent;
struct parent_pin *pp;
diff --git a/dpll_mon.h b/dpll_mon.h
index ec6e8b4..481b5e3 100644
--- a/dpll_mon.h
+++ b/dpll_mon.h
@@ -119,6 +119,15 @@ int dpll_mon_pin_is_active(struct dpll_mon *dm, struct dpll_mon_pin *pin);
int dpll_mon_pin_prio_set(struct dpll_mon *dm, struct dpll_mon_pin *pin,
uint32_t prio);
+/**
+ * Request to reset the priority of a pin to dnu_prio.
+ *
+ * @param dm Instance of dpll mon which owns the pin.
+ * @param pin Valid pointer to a pin.
+ * @return 0 - success, negative - failed to send request
+ */
+int dpll_mon_pin_prio_clear(struct dpll_mon *dm, struct dpll_mon_pin *pin);
+
/**
* Request to set Do Not Use priority on all valid pins for all the pins
* controlled by the dpll_mon's dpll.
diff --git a/synce_clock_source.c b/synce_clock_source.c
index 16ba091..50b21b8 100644
--- a/synce_clock_source.c
+++ b/synce_clock_source.c
@@ -220,3 +220,18 @@ int synce_clock_source_prio_set(struct dpll_mon *dpll_mon,
prio);
return synce_ext_src_prio_set(dpll_mon, clk_src->ext_src, prio);
}
+
+int synce_clock_source_prio_clear(struct dpll_mon *dpll_mon,
+ struct synce_clock_source *clk_src)
+{
+ if (!clk_src) {
+ pr_err("%s clock_source is NULL", __func__);
+ return -ENODEV;
+ }
+ pr_debug("%s: clear prio on %s", __func__,
+ clk_src->type == PORT ? clk_src->port->name :
+ clk_src->ext_src->name);
+ if (clk_src->type == PORT)
+ return synce_port_prio_clear(dpll_mon, clk_src->port);
+ return synce_ext_src_prio_clear(dpll_mon, clk_src->ext_src);
+}
diff --git a/synce_clock_source.h b/synce_clock_source.h
index 80c1327..96e6d26 100644
--- a/synce_clock_source.h
+++ b/synce_clock_source.h
@@ -132,4 +132,14 @@ int synce_clock_source_prio_set(struct dpll_mon *dpll_mon,
struct synce_clock_source *clk_src,
uint32_t prio);
+/**
+ * request to set priority of a clock source pin on a dpll to dnu_prio
+ *
+ * @param dpll_mon Pointer to dpll_mon class
+ * @param clk_src Configured instance
+ * @return 0 - success, error code - failure
+ */
+int synce_clock_source_prio_clear(struct dpll_mon *dpll_mon,
+ struct synce_clock_source *clk_src);
+
#endif /* HAVE_SYNCE_CLOCK_SOURCE_H */
diff --git a/synce_ext_src.c b/synce_ext_src.c
index 7d0debd..d5c94f5 100644
--- a/synce_ext_src.c
+++ b/synce_ext_src.c
@@ -204,3 +204,9 @@ int synce_ext_src_prio_set(struct dpll_mon *dpll_mon,
{
return dpll_mon_pin_prio_set(dpll_mon, ext_src->pin, prio);
}
+
+int synce_ext_src_prio_clear(struct dpll_mon *dpll_mon,
+ struct synce_ext_src *ext_src)
+{
+ return dpll_mon_pin_prio_clear(dpll_mon, ext_src->pin);
+}
diff --git a/synce_ext_src.h b/synce_ext_src.h
index 79e6773..972c254 100644
--- a/synce_ext_src.h
+++ b/synce_ext_src.h
@@ -128,4 +128,14 @@ int synce_ext_src_is_active(struct dpll_mon *dpll_mon,
int synce_ext_src_prio_set(struct dpll_mon *dpll_mon,
struct synce_ext_src *ext_src, uint32_t prio);
+/**
+ * request to set priority of a external source associated pin to dnu_prio
+ *
+ * @param dpll_mon Pointer to dpll_mon class
+ * @param ext_src Configured instance
+ * @return 0 - success, error code - failure
+ */
+int synce_ext_src_prio_clear(struct dpll_mon *dpll_mon,
+ struct synce_ext_src *ext_src);
+
#endif /* HAVE_SYNCE_EXT_SRC_H */
diff --git a/synce_port.c b/synce_port.c
index 93bcee0..93a9f9f 100644
--- a/synce_port.c
+++ b/synce_port.c
@@ -473,3 +473,8 @@ int synce_port_prio_set(struct dpll_mon *dpll_mon, struct synce_port *port,
{
return dpll_mon_pin_prio_set(dpll_mon, port->pin, prio);
}
+
+int synce_port_prio_clear(struct dpll_mon *dpll_mon, struct synce_port *port)
+{
+ return dpll_mon_pin_prio_clear(dpll_mon, port->pin);
+}
diff --git a/synce_port.h b/synce_port.h
index 6f08976..ce07101 100644
--- a/synce_port.h
+++ b/synce_port.h
@@ -192,4 +192,13 @@ int synce_port_is_active(struct dpll_mon *dpll_mon, struct synce_port *port);
int synce_port_prio_set(struct dpll_mon *dpll_mon, struct synce_port *port,
uint32_t prio);
+/**
+ * request to set priority of a port pin on a dpll to dnu_prio
+ *
+ * @param dpll_mon Pointer to dpll_mon class
+ * @param port Configured instance
+ * @return 0 - success, error code - failure
+ */
+int synce_port_prio_clear(struct dpll_mon *dpll_mon, struct synce_port *port);
+
#endif /* HAVE_SYNCE_PORT_H */
commit 977f85ac74720996733c9ecce3cd2cd545a357de
Author: Miroslav Lichvar <mlichvar@redhat.com>
Date: Wed Jan 17 14:16:07 2024 +0100
Avoid disconnecting input when rebuilding priority
When rebuilding the input priority (e.g. after a change in the received
QL), avoid temporarily clearing the priority (setting to DNU) of inputs
that will still be usable for synchronization.
This avoids an unnecessary disconnect of the currently locked input
causing a change in the transmitted QL and possibly an infinite loop in
the selection of inputs if the downstream SyncE clock is selecting this
clock as its input.
Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
diff --git a/synce_dev.c b/synce_dev.c
index b8bfd0f..7800508 100644
--- a/synce_dev.c
+++ b/synce_dev.c
@@ -577,13 +577,14 @@ int rebuild_inputs_prio(struct synce_dev *dev)
struct synce_clock_source *tmp, *tmp_best, **arr, *best, *prev_tmp = NULL;
int i = 0, prio_count;
- if (dpll_mon_pins_prio_dnu_set(dev->dpll_mon)) {
- pr_err("failed to set DNU priorities on %s", dev->name);
- return -EIO;
- }
best = find_dev_best_clock_source(dev);
- if (!best)
+ if (!best) {
+ if (dpll_mon_pins_prio_dnu_set(dev->dpll_mon)) {
+ pr_err("failed to set DNU priorities on %s", dev->name);
+ return -EIO;
+ }
return 0;
+ }
arr = calloc(dev->num_clock_sources, sizeof(*arr));
if (!arr)
return -ENOMEM;
@@ -620,6 +621,13 @@ int rebuild_inputs_prio(struct synce_dev *dev)
}
prio_count = i;
pr_debug("considered valid clock sources num: %d on %s", i, dev->name);
+ LIST_FOREACH(tmp, &dev->clock_sources, list) {
+ for (i = 0; i < prio_count; i++)
+ if (tmp == arr[i])
+ break;
+ if (i == prio_count)
+ synce_clock_source_prio_clear(dev->dpll_mon, tmp);
+ }
for (i = 0; i < prio_count; i++)
synce_clock_source_prio_set(dev->dpll_mon, arr[i], i);
free(arr);
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