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Andres Salomon b6f448e99c PM/gxfb: add hook to PM console layer that allows disabling of suspend VT switch 
Prior to suspend, we allocate and switch to a new VT; after suspend, we switch
back to the original VT.  This can be slow, and is completely unnecessary if
the framebuffer we're using can restore video properly.

This adds a hook that allows drivers to select whether or not to do this vt
switch, and changes the gxfb driver to call this hook.  It also adds a module
param to gxfb to allow controlling of the vt switch (defaulting to no switch).

(Note: I'm not convinced that console_sem is the best way to protect this, but
we should probably have some form of locking..)

[akpm@linux-foundation.org: build fix]
Signed-off-by: Andres Salomon <dilinger@debian.org>
Cc: Jordan Crouse <jordan.crouse@amd.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-28 08:58:36 -07:00
..
irq cpumask: Cleanup more uses of CPU_MASK and NODE_MASK 2008-04-19 19:44:58 +02:00
power PM/gxfb: add hook to PM console layer that allows disabling of suspend VT switch 2008-04-28 08:58:36 -07:00
time softlockup: fix NOHZ wakeup 2008-04-25 00:25:08 +02:00
.gitignore Update kernel/.gitignore with new auto-generated files 2008-02-09 23:27:01 -08:00
acct.c bsd_acct: using task_struct->tgid is not right in pid-namespaces 2008-03-24 19:22:20 -07:00
audit_tree.c Introduce path_put() 2008-02-14 21:13:33 -08:00
audit.c Audit: internally use the new LSM audit hooks 2008-04-19 09:52:37 +10:00
audit.h SELinux: use new audit hooks, remove redundant exports 2008-04-19 09:53:46 +10:00
auditfilter.c Audit: Final renamings and cleanup 2008-04-19 09:59:43 +10:00
auditsc.c Audit: Final renamings and cleanup 2008-04-19 09:59:43 +10:00
backtracetest.c x86: add a simple backtrace test module 2008-01-30 13:33:08 +01:00
bounds.c mm: Get rid of __ZONE_COUNT 2008-04-28 08:58:22 -07:00
capability.c Add 64-bit capability support to the kernel 2008-02-05 09:44:20 -08:00
cgroup_debug.c
cgroup.c cgroup: fix a race condition in manipulating tsk->cg_list 2008-04-18 08:17:57 -07:00
compat.c generic: reduce stack pressure in sched_affinity 2008-04-19 19:44:59 +02:00
configs.c
cpu.c generic: use new set_cpus_allowed_ptr function 2008-04-19 19:44:58 +02:00
cpuset.c mempolicy: rename mpol_copy to mpol_dup 2008-04-28 08:58:23 -07:00
delayacct.c
dma.c
exec_domain.c
exit.c mempolicy: rename mpol_free to mpol_put 2008-04-28 08:58:23 -07:00
extable.c
fork.c mempolicy: rename mpol_copy to mpol_dup 2008-04-28 08:58:23 -07:00
futex_compat.c futex_compat __user annotation 2008-03-30 14:18:41 -07:00
futex.c NULL noise: fs/*, mm/*, kernel/* 2008-03-30 14:18:41 -07:00
hrtimer.c hrtimer: optimize the softirq time optimization 2008-04-21 07:59:51 +02:00
itimer.c ITIMER_REAL: convert to use struct pid 2008-02-08 09:22:29 -08:00
kallsyms.c remove support for un-needed _extratext section 2008-02-06 10:41:01 -08:00
Kconfig.hz
Kconfig.preempt rcu: move PREEMPT_RCU config option back under PREEMPT 2008-03-10 18:01:20 -07:00
kexec.c vmcoreinfo: add page flags values 2008-04-28 08:58:23 -07:00
kfifo.c
kgdb.c kgdb: always use icache flush for sw breakpoints 2008-04-17 20:05:43 +02:00
kmod.c generic: use new set_cpus_allowed_ptr function 2008-04-19 19:44:58 +02:00
kprobes.c kprobes: add (un)register_jprobes for batch registration 2008-04-28 08:58:32 -07:00
ksysfs.c
kthread.c Merge branch 'semaphore' of git://git.kernel.org/pub/scm/linux/kernel/git/willy/misc 2008-04-21 15:41:27 -07:00
latencytop.c latencytop: optimize LT_BACKTRACEDEPTH loops a bit 2008-04-19 19:44:57 +02:00
lockdep_internals.h
lockdep_proc.c
lockdep.c Subject: lockdep: include all lock classes in all_lock_classes 2008-02-25 23:03:02 +01:00
Makefile Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-kgdb 2008-04-18 08:37:01 -07:00
marker.c markers: use synchronize_sched() 2008-04-02 15:28:19 -07:00
module.c kernel: Remove unnecessary inclusions of asm/semaphore.h 2008-04-18 22:17:04 -04:00
mutex-debug.c kernel: remove fastcall in kernel/* 2008-02-08 09:22:31 -08:00
mutex-debug.h
mutex.c kernel: remove fastcall in kernel/* 2008-02-08 09:22:31 -08:00
mutex.h
notifier.c kernel/notifier.c should #include <linux/reboot.h> 2008-02-06 10:41:02 -08:00
ns_cgroup.c
nsproxy.c namespaces: move the IPC namespace under IPC_NS option 2008-02-08 09:22:23 -08:00
panic.c ACPI: Taint kernel on ACPI table override (format corrected) 2008-02-06 22:07:51 -05:00
params.c Add new string functions strict_strto* and convert kernel params to use them 2008-02-08 09:22:41 -08:00
pid_namespace.c namespaces: cleanup the code managed with PID_NS option 2008-02-08 09:22:23 -08:00
pid.c kernel: remove fastcall in kernel/* 2008-02-08 09:22:31 -08:00
pm_qos_params.c pm qos infrastructure and interface 2008-02-05 09:44:22 -08:00
posix-cpu-timers.c posix-timers: fix shadowed variables 2008-04-17 12:22:30 +02:00
posix-timers.c kernel: Remove unnecessary inclusions of asm/semaphore.h 2008-04-18 22:17:04 -04:00
printk.c Fix locking bug in "acquire_console_semaphore_for_printk()" 2008-04-15 13:09:54 -07:00
profile.c kernel: Remove unnecessary inclusions of asm/semaphore.h 2008-04-18 22:17:04 -04:00
ptrace.c ptrace: compat_ptrace_request siginfo 2008-04-21 15:53:41 -07:00
rcuclassic.c
rcupdate.c rcupdate: fix comment 2008-02-13 16:21:18 -08:00
rcupreempt_trace.c
rcupreempt.c generic: reduce stack pressure in sched_affinity 2008-04-19 19:44:59 +02:00
rcutorture.c generic: use new set_cpus_allowed_ptr function 2008-04-19 19:44:58 +02:00
relay.c relay: set an spd_release() hook for splice 2008-03-26 12:04:09 +01:00
res_counter.c Memory Resource Controller use strstrip while parsing arguments 2008-03-04 16:35:09 -08:00
resource.c PCI: clean up resource alignment management 2008-04-20 21:47:08 -07:00
rtmutex_common.h Don't operate with pid_t in rtmutex tester 2008-02-08 09:22:41 -08:00
rtmutex-debug.c Don't operate with pid_t in rtmutex tester 2008-02-08 09:22:41 -08:00
rtmutex-debug.h
rtmutex-tester.c
rtmutex.c hrtimer: more hrtimer_init_sleeper() fallout. 2008-02-13 15:45:36 +01:00
rtmutex.h
rwsem.c
sched_debug.c sched: build fix 2008-04-19 19:45:01 +02:00
sched_fair.c sched: debug: show a weight tree 2008-04-19 19:45:00 +02:00
sched_features.h sched: /debug/sched_features 2008-04-19 19:45:00 +02:00
sched_idletask.c
sched_rt.c sched: rt-group: optimize dequeue_rt_stack 2008-04-19 19:45:00 +02:00
sched_stats.h cpumask: use new cpus_scnprintf function 2008-04-19 19:44:59 +02:00
sched.c Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 2008-04-25 12:50:00 -07:00
seccomp.c
semaphore.c Improve semaphore documentation 2008-04-17 10:43:01 -04:00
signal.c trivial: small cleanups 2008-04-21 22:15:06 +00:00
softirq.c tasklets: execute tasklets in the same order they were queued 2008-04-19 19:44:58 +02:00
softlockup.c softlockup: fix task state setting 2008-02-29 18:46:53 +01:00
spinlock.c spinlock: lockbreak cleanup 2008-01-30 13:31:20 +01:00
srcu.c make srcu_readers_active() static 2008-02-06 10:41:02 -08:00
stacktrace.c
stop_machine.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/juhl/trivial 2008-04-21 16:36:46 -07:00
sys_ni.c timerfd: new timerfd API 2008-02-05 09:44:07 -08:00
sys.c capabilities: implement per-process securebits 2008-04-28 08:58:26 -07:00
sysctl_check.c constify tables in kernel/sysctl_check.c 2008-02-08 09:22:31 -08:00
sysctl.c sched: rt-group: synchonised bandwidth period 2008-04-19 19:44:57 +02:00
taskstats.c
test_kprobes.c kprobes: kretprobe user entry-handler 2008-02-06 10:41:11 -08:00
time.c time: Export set_normalized_timespec. 2008-04-21 19:45:12 -07:00
timeconst.pl timeconst.pl: correct reversal of USEC_TO_HZ and HZ_TO_USEC 2008-02-12 14:29:26 -08:00
timer.c timers: simplify lockdep handling 2008-04-17 12:22:31 +02:00
tsacct.c
uid16.c asmlinkage_protect replaces prevent_tail_call 2008-04-10 17:28:26 -07:00
user_namespace.c namespaces: cleanup the code managed with the USER_NS option 2008-02-08 09:22:23 -08:00
user.c sched: fix the task_group hierarchy for UID grouping 2008-04-19 19:45:00 +02:00
utsname_sysctl.c
utsname.c
wait.c kernel: remove fastcall in kernel/* 2008-02-08 09:22:31 -08:00
workqueue.c timer_list: add annotations to workqueue.c 2008-04-17 12:22:30 +02:00