// SPDX-License-Identifier: GPL-2.0-only/* * Tegra host1x Syncpoints * * Copyright (c) 2010-2015, NVIDIA Corporation. */ #include <linux/module.h>#include <linux/device.h>#include <linux/slab.h> #include <trace/events/host1x.h> #include "syncpt.h"#include "dev.h"#include "intr.h"#include "debug.h" #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;} /** * host1x_syncpt_alloc() - allocate a syncpoint * @host: host1x device data * @flags: bitfield of HOST1X_SYNCPT_* flags * @name: name for the syncpoint for use in debug prints * * Allocates a hardware syncpoint for the caller's use. The caller then has * the sole authority to mutate the syncpoint's value until it is freed again. * * If no free syncpoints are available, or a NULL name was specified, returns * NULL. */struct host1x_syncpt *host1x_syncpt_alloc(struct host1x *host, unsigned long flags, const char *name){ struct host1x_syncpt *sp = host->syncpt; char *full_name; unsigned int i; if (!name) return NULL; mutex_lock(&host->syncpt_mutex); for (i = 0; i < host->info->nb_pts && kref_read(&sp->ref); i++, sp++) ; if (i >= host->info->nb_pts) goto unlock; if (flags & HOST1X_SYNCPT_HAS_BASE) { sp->base = host1x_syncpt_base_request(host); if (!sp->base) goto unlock; } full_name = kasprintf(GFP_KERNEL, "%u-%s", sp->id, name); if (!full_name) goto free_base; sp->name = full_name; if (flags & HOST1X_SYNCPT_CLIENT_MANAGED) sp->client_managed = true; else sp->client_managed = false; kref_init(&sp->ref); mutex_unlock(&host->syncpt_mutex); return sp; free_base: host1x_syncpt_base_free(sp->base); sp->base = NULL;unlock: mutex_unlock(&host->syncpt_mutex); return NULL;}EXPORT_SYMBOL(host1x_syncpt_alloc); /** * host1x_syncpt_id() - retrieve syncpoint ID * @sp: host1x syncpoint * * Given a pointer to a struct host1x_syncpt, retrieves its ID. This ID is * often used as a value to program into registers that control how hardware * blocks interact with syncpoints. */u32 host1x_syncpt_id(struct host1x_syncpt *sp){ return sp->id;}EXPORT_SYMBOL(host1x_syncpt_id); /** * host1x_syncpt_incr_max() - update the value sent to hardware * @sp: host1x syncpoint * @incrs: number of increments */u32 host1x_syncpt_incr_max(struct host1x_syncpt *sp, u32 incrs){ return (u32)atomic_add_return(incrs, &sp->max_val);}EXPORT_SYMBOL(host1x_syncpt_incr_max); /* * Write cached syncpoint and waitbase values to hardware. */void host1x_syncpt_restore(struct host1x *host){ struct host1x_syncpt *sp_base = host->syncpt; unsigned int i; for (i = 0; i < host1x_syncpt_nb_pts(host); i++) host1x_hw_syncpt_restore(host, sp_base + i); for (i = 0; i < host1x_syncpt_nb_bases(host); i++) host1x_hw_syncpt_restore_wait_base(host, sp_base + i); wmb();} /* * Update the cached syncpoint and waitbase values by reading them * from the registers. */void host1x_syncpt_save(struct host1x *host){ struct host1x_syncpt *sp_base = host->syncpt; unsigned int i; for (i = 0; i < host1x_syncpt_nb_pts(host); i++) { if (host1x_syncpt_client_managed(sp_base + i)) host1x_hw_syncpt_load(host, sp_base + i); else WARN_ON(!host1x_syncpt_idle(sp_base + i)); } for (i = 0; i < host1x_syncpt_nb_bases(host); i++) host1x_hw_syncpt_load_wait_base(host, sp_base + i);} /* * Updates the cached syncpoint value by reading a new value from the hardware * register */u32 host1x_syncpt_load(struct host1x_syncpt *sp){ u32 val; val = host1x_hw_syncpt_load(sp->host, sp); trace_host1x_syncpt_load_min(sp->id, val); return val;} /* * Get the current syncpoint base */u32 host1x_syncpt_load_wait_base(struct host1x_syncpt *sp){ host1x_hw_syncpt_load_wait_base(sp->host, sp); return sp->base_val;} /** * host1x_syncpt_incr() - increment syncpoint value from CPU, updating cache * @sp: host1x syncpoint */int host1x_syncpt_incr(struct host1x_syncpt *sp){ return host1x_hw_syncpt_cpu_incr(sp->host, sp);}EXPORT_SYMBOL(host1x_syncpt_incr); /* * Updated sync point form hardware, and returns true if syncpoint is expired, * false if we may need to wait */static bool syncpt_load_min_is_expired(struct host1x_syncpt *sp, u32 thresh){ host1x_hw_syncpt_load(sp->host, sp); return host1x_syncpt_is_expired(sp, thresh);} /** * host1x_syncpt_wait() - wait for a syncpoint to reach a given value * @sp: host1x syncpoint * @thresh: threshold * @timeout: maximum time to wait for the syncpoint to reach the given value * @value: return location for the syncpoint value */int host1x_syncpt_wait(struct host1x_syncpt *sp, u32 thresh, long timeout, u32 *value){ DECLARE_WAIT_QUEUE_HEAD_ONSTACK(wq); void *ref; struct host1x_waitlist *waiter; int err = 0, check_count = 0; u32 val; if (value) *value = 0; /* first check cache */ if (host1x_syncpt_is_expired(sp, thresh)) { if (value) *value = host1x_syncpt_load(sp); return 0; } /* try to read from register */ val = host1x_hw_syncpt_load(sp->host, sp); if (host1x_syncpt_is_expired(sp, thresh)) { if (value) *value = val; goto done; } if (!timeout) { err = -EAGAIN; goto done; } /* allocate a waiter */ waiter = kzalloc(sizeof(*waiter), GFP_KERNEL); if (!waiter) { err = -ENOMEM; goto done; } /* schedule a wakeup when the syncpoint value is reached */ err = host1x_intr_add_action(sp->host, sp, thresh, HOST1X_INTR_ACTION_WAKEUP_INTERRUPTIBLE, &wq, waiter, &ref); if (err) goto done; err = -EAGAIN; /* Caller-specified timeout may be impractically low */ if (timeout < 0) timeout = LONG_MAX; /* wait for the syncpoint, or timeout, or signal */ while (timeout) { long check = min_t(long, SYNCPT_CHECK_PERIOD, timeout); int remain; remain = wait_event_interruptible_timeout(wq, syncpt_load_min_is_expired(sp, thresh), check); if (remain > 0 || host1x_syncpt_is_expired(sp, thresh)) { if (value) *value = host1x_syncpt_load(sp); err = 0; break; } if (remain < 0) { err = remain; break; } timeout -= check; if (timeout && check_count <= MAX_STUCK_CHECK_COUNT) { dev_warn(sp->host->dev, "%s: syncpoint id %u (%s) stuck waiting %d, timeout=%ld\n", current->comm, sp->id, sp->name, thresh, timeout); host1x_debug_dump_syncpts(sp->host); if (check_count == MAX_STUCK_CHECK_COUNT) host1x_debug_dump(sp->host); check_count++; } } host1x_intr_put_ref(sp->host, sp->id, ref, true); done: return err;}EXPORT_SYMBOL(host1x_syncpt_wait); /* * Returns true if syncpoint is expired, false if we may need to wait */bool host1x_syncpt_is_expired(struct host1x_syncpt *sp, u32 thresh){ u32 current_val; smp_rmb(); current_val = (u32)atomic_read(&sp->min_val); return ((current_val - thresh) & 0x80000000U) == 0U;} int host1x_syncpt_init(struct host1x *host){ struct host1x_syncpt_base *bases; struct host1x_syncpt *syncpt; unsigned int i; syncpt = devm_kcalloc(host->dev, host->info->nb_pts, sizeof(*syncpt), GFP_KERNEL); if (!syncpt) return -ENOMEM; bases = devm_kcalloc(host->dev, host->info->nb_bases, sizeof(*bases), GFP_KERNEL); if (!bases) return -ENOMEM; for (i = 0; i < host->info->nb_pts; i++) { syncpt[i].id = i; syncpt[i].host = host; /* * Unassign syncpt from channels for purposes of Tegra186 * syncpoint protection. This prevents any channel from * accessing it until it is reassigned. */ host1x_hw_syncpt_assign_to_channel(host, &syncpt[i], NULL); } for (i = 0; i < host->info->nb_bases; i++) bases[i].id = i; mutex_init(&host->syncpt_mutex); host->syncpt = syncpt; host->bases = bases; host1x_syncpt_restore(host); host1x_hw_syncpt_enable_protection(host); /* Allocate sync point to use for clearing waits for expired fences */ host->nop_sp = host1x_syncpt_alloc(host, 0, "reserved-nop"); if (!host->nop_sp) return -ENOMEM; if (host->info->reserve_vblank_syncpts) { kref_init(&host->syncpt[26].ref); kref_init(&host->syncpt[27].ref); } return 0;} /** * host1x_syncpt_request() - request a syncpoint * @client: client requesting the syncpoint * @flags: flags * * host1x client drivers can use this function to allocate a syncpoint for * subsequent use. A syncpoint returned by this function will be reserved for * use by the client exclusively. When no longer using a syncpoint, a host1x * client driver needs to release it using host1x_syncpt_put(). */struct host1x_syncpt *host1x_syncpt_request(struct host1x_client *client, unsigned long flags){ struct host1x *host = dev_get_drvdata(client->host->parent); return host1x_syncpt_alloc(host, flags, dev_name(client->dev));}EXPORT_SYMBOL(host1x_syncpt_request); static void syncpt_release(struct kref *ref){ struct host1x_syncpt *sp = container_of(ref, struct host1x_syncpt, ref); atomic_set(&sp->max_val, host1x_syncpt_read(sp)); mutex_lock(&sp->host->syncpt_mutex); host1x_syncpt_base_free(sp->base); kfree(sp->name); sp->base = NULL; sp->name = NULL; sp->client_managed = false; mutex_unlock(&sp->host->syncpt_mutex);} /** * host1x_syncpt_put() - free a requested syncpoint * @sp: host1x syncpoint * * Release a syncpoint previously allocated using host1x_syncpt_request(). A * host1x client driver should call this when the syncpoint is no longer in * use. */void host1x_syncpt_put(struct host1x_syncpt *sp){ if (!sp) return; kref_put(&sp->ref, syncpt_release);}EXPORT_SYMBOL(host1x_syncpt_put); void host1x_syncpt_deinit(struct host1x *host){ struct host1x_syncpt *sp = host->syncpt; unsigned int i; for (i = 0; i < host->info->nb_pts; i++, sp++) kfree(sp->name);} /** * host1x_syncpt_read_max() - read maximum syncpoint value * @sp: host1x syncpoint * * The maximum syncpoint value indicates how many operations there are in * queue, either in channel or in a software thread. */u32 host1x_syncpt_read_max(struct host1x_syncpt *sp){ smp_rmb(); return (u32)atomic_read(&sp->max_val);}EXPORT_SYMBOL(host1x_syncpt_read_max); /** * host1x_syncpt_read_min() - read minimum syncpoint value * @sp: host1x syncpoint * * The minimum syncpoint value is a shadow of the current sync point value in * hardware. */u32 host1x_syncpt_read_min(struct host1x_syncpt *sp){ smp_rmb(); return (u32)atomic_read(&sp->min_val);}EXPORT_SYMBOL(host1x_syncpt_read_min); /** * host1x_syncpt_read() - read the current syncpoint value * @sp: host1x syncpoint */u32 host1x_syncpt_read(struct host1x_syncpt *sp){ return host1x_syncpt_load(sp);}EXPORT_SYMBOL(host1x_syncpt_read); unsigned int host1x_syncpt_nb_pts(struct host1x *host){ return host->info->nb_pts;} unsigned int host1x_syncpt_nb_bases(struct host1x *host){ return host->info->nb_bases;} unsigned int host1x_syncpt_nb_mlocks(struct host1x *host){ return host->info->nb_mlocks;}Lines 1–500 of 594. 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// SPDX-License-Identifier: GPL-2.0-only /* * Tegra host1x Syncpoints * * Copyright (c) 2010-2015, NVIDIA Corporation. */ #include <linux/module.h> #include <linux/device.h> #include <linux/slab.h> #include <trace/events/host1x.h> #include "syncpt.h" #include "dev.h" #include "intr.h" #include "debug.h" #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; } /** * host1x_syncpt_alloc() - allocate a syncpoint * @host: host1x device data * @flags: bitfield of HOST1X_SYNCPT_* flags * @name: name for the syncpoint for use in debug prints * * Allocates a hardware syncpoint for the caller's use. The caller then has * the sole authority to mutate the syncpoint's value until it is freed again. * * If no free syncpoints are available, or a NULL name was specified, returns * NULL. */ struct host1x_syncpt *host1x_syncpt_alloc(struct host1x *host, unsigned long flags, const char *name) { struct host1x_syncpt *sp = host->syncpt; char *full_name; unsigned int i; if (!name) return NULL; mutex_lock(&host->syncpt_mutex); for (i = 0; i < host->info->nb_pts && kref_read(&sp->ref); i++, sp++) ; if (i >= host->info->nb_pts) goto unlock; if (flags & HOST1X_SYNCPT_HAS_BASE) { sp->base = host1x_syncpt_base_request(host); if (!sp->base) goto unlock; } full_name = kasprintf(GFP_KERNEL, "%u-%s", sp->id, name); if (!full_name) goto free_base; sp->name = full_name; if (flags & HOST1X_SYNCPT_CLIENT_MANAGED) sp->client_managed = true; else sp->client_managed = false; kref_init(&sp->ref); mutex_unlock(&host->syncpt_mutex); return sp; free_base: host1x_syncpt_base_free(sp->base); sp->base = NULL; unlock: mutex_unlock(&host->syncpt_mutex); return NULL; } EXPORT_SYMBOL(host1x_syncpt_alloc); /** * host1x_syncpt_id() - retrieve syncpoint ID * @sp: host1x syncpoint * * Given a pointer to a struct host1x_syncpt, retrieves its ID. This ID is * often used as a value to program into registers that control how hardware * blocks interact with syncpoints. */ u32 host1x_syncpt_id(struct host1x_syncpt *sp) { return sp->id; } EXPORT_SYMBOL(host1x_syncpt_id); /** * host1x_syncpt_incr_max() - update the value sent to hardware * @sp: host1x syncpoint * @incrs: number of increments */ u32 host1x_syncpt_incr_max(struct host1x_syncpt *sp, u32 incrs) { return (u32)atomic_add_return(incrs, &sp->max_val); } EXPORT_SYMBOL(host1x_syncpt_incr_max); /* * Write cached syncpoint and waitbase values to hardware. */ void host1x_syncpt_restore(struct host1x *host) { struct host1x_syncpt *sp_base = host->syncpt; unsigned int i; for (i = 0; i < host1x_syncpt_nb_pts(host); i++) host1x_hw_syncpt_restore(host, sp_base + i); for (i = 0; i < host1x_syncpt_nb_bases(host); i++) host1x_hw_syncpt_restore_wait_base(host, sp_base + i); wmb(); } /* * Update the cached syncpoint and waitbase values by reading them * from the registers. */ void host1x_syncpt_save(struct host1x *host) { struct host1x_syncpt *sp_base = host->syncpt; unsigned int i; for (i = 0; i < host1x_syncpt_nb_pts(host); i++) { if (host1x_syncpt_client_managed(sp_base + i)) host1x_hw_syncpt_load(host, sp_base + i); else WARN_ON(!host1x_syncpt_idle(sp_base + i)); } for (i = 0; i < host1x_syncpt_nb_bases(host); i++) host1x_hw_syncpt_load_wait_base(host, sp_base + i); } /* * Updates the cached syncpoint value by reading a new value from the hardware * register */ u32 host1x_syncpt_load(struct host1x_syncpt *sp) { u32 val; val = host1x_hw_syncpt_load(sp->host, sp); trace_host1x_syncpt_load_min(sp->id, val); return val; } /* * Get the current syncpoint base */ u32 host1x_syncpt_load_wait_base(struct host1x_syncpt *sp) { host1x_hw_syncpt_load_wait_base(sp->host, sp); return sp->base_val; } /** * host1x_syncpt_incr() - increment syncpoint value from CPU, updating cache * @sp: host1x syncpoint */ int host1x_syncpt_incr(struct host1x_syncpt *sp) { return host1x_hw_syncpt_cpu_incr(sp->host, sp); } EXPORT_SYMBOL(host1x_syncpt_incr); /* * Updated sync point form hardware, and returns true if syncpoint is expired, * false if we may need to wait */ static bool syncpt_load_min_is_expired(struct host1x_syncpt *sp, u32 thresh) { host1x_hw_syncpt_load(sp->host, sp); return host1x_syncpt_is_expired(sp, thresh); } /** * host1x_syncpt_wait() - wait for a syncpoint to reach a given value * @sp: host1x syncpoint * @thresh: threshold * @timeout: maximum time to wait for the syncpoint to reach the given value * @value: return location for the syncpoint value */ int host1x_syncpt_wait(struct host1x_syncpt *sp, u32 thresh, long timeout, u32 *value) { DECLARE_WAIT_QUEUE_HEAD_ONSTACK(wq); void *ref; struct host1x_waitlist *waiter; int err = 0, check_count = 0; u32 val; if (value) *value = 0; /* first check cache */ if (host1x_syncpt_is_expired(sp, thresh)) { if (value) *value = host1x_syncpt_load(sp); return 0; } /* try to read from register */ val = host1x_hw_syncpt_load(sp->host, sp); if (host1x_syncpt_is_expired(sp, thresh)) { if (value) *value = val; goto done; } if (!timeout) { err = -EAGAIN; goto done; } /* allocate a waiter */ waiter = kzalloc(sizeof(*waiter), GFP_KERNEL); if (!waiter) { err = -ENOMEM; goto done; } /* schedule a wakeup when the syncpoint value is reached */ err = host1x_intr_add_action(sp->host, sp, thresh, HOST1X_INTR_ACTION_WAKEUP_INTERRUPTIBLE, &wq, waiter, &ref); if (err) goto done; err = -EAGAIN; /* Caller-specified timeout may be impractically low */ if (timeout < 0) timeout = LONG_MAX; /* wait for the syncpoint, or timeout, or signal */ while (timeout) { long check = min_t(long, SYNCPT_CHECK_PERIOD, timeout); int remain; remain = wait_event_interruptible_timeout(wq, syncpt_load_min_is_expired(sp, thresh), check); if (remain > 0 || host1x_syncpt_is_expired(sp, thresh)) { if (value) *value = host1x_syncpt_load(sp); err = 0; break; } if (remain < 0) { err = remain; break; } timeout -= check; if (timeout && check_count <= MAX_STUCK_CHECK_COUNT) { dev_warn(sp->host->dev, "%s: syncpoint id %u (%s) stuck waiting %d, timeout=%ld\n", current->comm, sp->id, sp->name, thresh, timeout); host1x_debug_dump_syncpts(sp->host); if (check_count == MAX_STUCK_CHECK_COUNT) host1x_debug_dump(sp->host); check_count++; } } host1x_intr_put_ref(sp->host, sp->id, ref, true); done: return err; } EXPORT_SYMBOL(host1x_syncpt_wait); /* * Returns true if syncpoint is expired, false if we may need to wait */ bool host1x_syncpt_is_expired(struct host1x_syncpt *sp, u32 thresh) { u32 current_val; smp_rmb(); current_val = (u32)atomic_read(&sp->min_val); return ((current_val - thresh) & 0x80000000U) == 0U; } int host1x_syncpt_init(struct host1x *host) { struct host1x_syncpt_base *bases; struct host1x_syncpt *syncpt; unsigned int i; syncpt = devm_kcalloc(host->dev, host->info->nb_pts, sizeof(*syncpt), GFP_KERNEL); if (!syncpt) return -ENOMEM; bases = devm_kcalloc(host->dev, host->info->nb_bases, sizeof(*bases), GFP_KERNEL); if (!bases) return -ENOMEM; for (i = 0; i < host->info->nb_pts; i++) { syncpt[i].id = i; syncpt[i].host = host; /* * Unassign syncpt from channels for purposes of Tegra186 * syncpoint protection. This prevents any channel from * accessing it until it is reassigned. */ host1x_hw_syncpt_assign_to_channel(host, &syncpt[i], NULL); } for (i = 0; i < host->info->nb_bases; i++) bases[i].id = i; mutex_init(&host->syncpt_mutex); host->syncpt = syncpt; host->bases = bases; host1x_syncpt_restore(host); host1x_hw_syncpt_enable_protection(host); /* Allocate sync point to use for clearing waits for expired fences */ host->nop_sp = host1x_syncpt_alloc(host, 0, "reserved-nop"); if (!host->nop_sp) return -ENOMEM; if (host->info->reserve_vblank_syncpts) { kref_init(&host->syncpt[26].ref); kref_init(&host->syncpt[27].ref); } return 0; } /** * host1x_syncpt_request() - request a syncpoint * @client: client requesting the syncpoint * @flags: flags * * host1x client drivers can use this function to allocate a syncpoint for * subsequent use. A syncpoint returned by this function will be reserved for * use by the client exclusively. When no longer using a syncpoint, a host1x * client driver needs to release it using host1x_syncpt_put(). */ struct host1x_syncpt *host1x_syncpt_request(struct host1x_client *client, unsigned long flags) { struct host1x *host = dev_get_drvdata(client->host->parent); return host1x_syncpt_alloc(host, flags, dev_name(client->dev)); } EXPORT_SYMBOL(host1x_syncpt_request); static void syncpt_release(struct kref *ref) { struct host1x_syncpt *sp = container_of(ref, struct host1x_syncpt, ref); atomic_set(&sp->max_val, host1x_syncpt_read(sp)); mutex_lock(&sp->host->syncpt_mutex); host1x_syncpt_base_free(sp->base); kfree(sp->name); sp->base = NULL; sp->name = NULL; sp->client_managed = false; mutex_unlock(&sp->host->syncpt_mutex); } /** * host1x_syncpt_put() - free a requested syncpoint * @sp: host1x syncpoint * * Release a syncpoint previously allocated using host1x_syncpt_request(). A * host1x client driver should call this when the syncpoint is no longer in * use. */ void host1x_syncpt_put(struct host1x_syncpt *sp) { if (!sp) return; kref_put(&sp->ref, syncpt_release); } EXPORT_SYMBOL(host1x_syncpt_put); void host1x_syncpt_deinit(struct host1x *host) { struct host1x_syncpt *sp = host->syncpt; unsigned int i; for (i = 0; i < host->info->nb_pts; i++, sp++) kfree(sp->name); } /** * host1x_syncpt_read_max() - read maximum syncpoint value * @sp: host1x syncpoint * * The maximum syncpoint value indicates how many operations there are in * queue, either in channel or in a software thread. */ u32 host1x_syncpt_read_max(struct host1x_syncpt *sp) { smp_rmb(); return (u32)atomic_read(&sp->max_val); } EXPORT_SYMBOL(host1x_syncpt_read_max); /** * host1x_syncpt_read_min() - read minimum syncpoint value * @sp: host1x syncpoint * * The minimum syncpoint value is a shadow of the current sync point value in * hardware. */ u32 host1x_syncpt_read_min(struct host1x_syncpt *sp) { smp_rmb(); return (u32)atomic_read(&sp->min_val); } EXPORT_SYMBOL(host1x_syncpt_read_min); /** * host1x_syncpt_read() - read the current syncpoint value * @sp: host1x syncpoint */ u32 host1x_syncpt_read(struct host1x_syncpt *sp) { return host1x_syncpt_load(sp); } EXPORT_SYMBOL(host1x_syncpt_read); unsigned int host1x_syncpt_nb_pts(struct host1x *host) { return host->info->nb_pts; } unsigned int host1x_syncpt_nb_bases(struct host1x *host) { return host->info->nb_bases; } unsigned int host1x_syncpt_nb_mlocks(struct host1x *host) { return host->info->nb_mlocks; }