#define SYNCPT_CHECK_PERIOD (2 * HZ)
#define MAX_STUCK_CHECK_COUNT 15
+static struct host1x_syncpt_base *
+host1x_syncpt_base_request(struct host1x *host)
+{
+ struct host1x_syncpt_base *bases = host->bases;
+ unsigned int i;
+
+ for (i = 0; i < host->info->nb_bases; i++)
+ if (!bases[i].requested)
+ break;
+
+ if (i >= host->info->nb_bases)
+ return NULL;
+
+ bases[i].requested = true;
+ return &bases[i];
+}
+
+static void host1x_syncpt_base_free(struct host1x_syncpt_base *base)
+{
+ if (base)
+ base->requested = false;
+}
+
static struct host1x_syncpt *host1x_syncpt_alloc(struct host1x *host,
struct device *dev,
unsigned long flags)
if (i >= host->info->nb_pts)
return NULL;
+ if (flags & HOST1X_SYNCPT_HAS_BASE) {
+ sp->base = host1x_syncpt_base_request(host);
+ if (!sp->base)
+ return NULL;
+ }
+
name = kasprintf(GFP_KERNEL, "%02d-%s", sp->id,
dev ? dev_name(dev) : NULL);
if (!name)
int host1x_syncpt_init(struct host1x *host)
{
+ struct host1x_syncpt_base *bases;
struct host1x_syncpt *syncpt;
int i;
syncpt = devm_kzalloc(host->dev, sizeof(*syncpt) * host->info->nb_pts,
- GFP_KERNEL);
+ GFP_KERNEL);
if (!syncpt)
return -ENOMEM;
- for (i = 0; i < host->info->nb_pts; ++i) {
+ bases = devm_kzalloc(host->dev, sizeof(*bases) * host->info->nb_bases,
+ GFP_KERNEL);
+ if (!bases)
+ return -ENOMEM;
+
+ for (i = 0; i < host->info->nb_pts; i++) {
syncpt[i].id = i;
syncpt[i].host = host;
}
+ for (i = 0; i < host->info->nb_bases; i++)
+ bases[i].id = i;
+
host->syncpt = syncpt;
+ host->bases = bases;
host1x_syncpt_restore(host);
if (!sp)
return;
+ host1x_syncpt_base_free(sp->base);
kfree(sp->name);
+ sp->base = NULL;
sp->dev = NULL;
sp->name = NULL;
sp->client_managed = false;
return NULL;
return host->syncpt + id;
}
+
+struct host1x_syncpt_base *host1x_syncpt_get_base(struct host1x_syncpt *sp)
+{
+ return sp ? sp->base : NULL;
+}
+
+u32 host1x_syncpt_base_id(struct host1x_syncpt_base *base)
+{
+ return base->id;
+}