static void show_syncpts(struct host1x *m, struct output *o) { unsigned int i; host1x_debug_output(o, "---- syncpts ----\n"); for (i = 0; i < host1x_syncpt_nb_pts(m); i++) { u32 max = host1x_syncpt_read_max(m->syncpt + i); u32 min = host1x_syncpt_load(m->syncpt + i); if (!min && !max) continue; host1x_debug_output(o, "id %u (%s) min %d max %d\n", i, m->syncpt[i].name, min, max); } for (i = 0; i < host1x_syncpt_nb_bases(m); i++) { u32 base_val; base_val = host1x_syncpt_load_wait_base(m->syncpt + i); if (base_val) host1x_debug_output(o, "waitbase id %u val %d\n", i, base_val); } host1x_debug_output(o, "\n"); }
/* * Updates the last value read from hardware. */ static u32 syncpt_load(struct host1x_syncpt *sp) { struct host1x *host = sp->host; u32 old, live; /* Loop in case there's a race writing to min_val */ do { old = host1x_syncpt_read_min(sp); live = host1x_sync_readl(host, HOST1X_SYNC_SYNCPT(sp->id)); } while ((u32)atomic_cmpxchg(&sp->min_val, old, live) != old); if (!host1x_syncpt_check_max(sp, live)) dev_err(host->dev, "%s failed: id=%u, min=%d, max=%d\n", __func__, sp->id, host1x_syncpt_read_min(sp), host1x_syncpt_read_max(sp)); return live; }