drm/nouveau/backlight: make more consistent with rest of driver style

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau: tidy connector hotplug handler, punt messages to debug

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/dp: remove reliance on vbios for native displayport

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/dp: rewrite auxch transaction routines

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau: workaround semaphore hw bug causing unnecessary interrupts

The HW will only accept the DMA_FROM_MEMORY class for DMA_SEMAPHORE without
asking the driver to intervene.

It appears that semaphores will work correctly even without DMA_IN_MEMORY,
so lets avoid the large amount of interrupts generated by x-chan sync.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/tmr: fix miscalculation of ratio on pre-nv4x chipsets

The clock_get() hook returns KHz, not Hz.

Also fixed to use crystal freq from dev_priv.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nva3/pm: fixup for NVAF special

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nva3/pm: use crystal freq where appropriate

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau: determine timing crystal freq from straps

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nva3/pm: pll disabled if bit 0 of ctrl not set

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau: magic to make auxch on new macbooks booted in EFI mode work

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/pm: Document and expose CL and WR for 0x1002Cx

Signed-off-by: Roy Spliet <r.spliet@student.tudelft.nl>

drm/nouveau/pm: add initial NV3x/NVCx memtiming support, improve other cards

NV30: Create framework for memtm
NV50: Improve reg creation,
NV50: Use P.version instead of card codename/stepping,
NVC0: Initial memtiming code for Fermi,
Renamed regs for consistency,
Overall redesign to improve readability,
Avoid kfree on null-pointer

Signed-off-by: Roy Spliet <r.spliet@student.tudelft.nl>

drm/nouveau: remove special-casing of hotplug detection type

If we support PGPIO interrupts, and know a hotplug GPIO tag for a
connector we use HPD, otherwise POLL_CONNECT.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0: no page flipping at the moment

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvc0/gr: remove max tpc count info

Just assume a max of 16 everywhere, and hope it's okay.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0: lets not attempt to dereference a nv50_display pointer

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau: enable hwmon support when both nouveau/hwmon are built as modules.

The nouveau hwmon temperature support currently only functions when hwmon is
compiled into the kernel. There's no reason why this shouldn't also work when
both hwmon and nouveau are modularised (as is the case with Slackware's stock
kernels).

Signed-off-by: Ken Milmore <ken.milmore@googlemail.com>
Reviewed-by: Martin Peres <martin.peres@ensi-bourges.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0/disp: tidy up what we have so far

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0/disp: rewrite irq handler, should be somewhat sturdier now

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0/disp: do modeset irq handling from tasklet

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0/disp: untested LVDS support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0/disp: track down fb positioning method

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0/disp: determine U table config in or_mode_set()

Takes a gamble and presumes that we can safely store something random in
OR_MODE_CTRL+4, the hw doesn't seem to mind...

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0/disp: dac load detect

VBIOS does more than this, as does nv50/nvc0 driver in nouveau.  Traces
of the NVIDIA binary driver however, show pretty much just this being
done...  Seems to work for me, it'll be fine for the moment.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0/disp: handle sync polarity, kill off some unknown

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0/disp: scaling

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0/disp: push the update button in mode_set_base()

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0/disp: fixup clut so it actually works

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0/disp: initial attempt at modeset irq handling

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0/disp: stub dac load detect, prevents oops

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0/disp: dac encoder module

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0/disp: extend the init voodoo to cover crtcs

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0/disp: remove lp reordering from vram dmaobj, create fb dmaobjs

Fixes CLUT being messed up.  Mostly.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0/disp: some magic to make evo happeir

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0/disp: they moved the linear flag..

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0/disp: initial crtc object implementation

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0/disp: skeletal handling of modeset interrupts

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0/disp: start on SOR encoder functions

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0/disp: setup a couple of dma objects we'll need

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0/disp: start on interrupt handling

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0/disp: whip up some basic dma handling for the evo channels

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0/disp: very initial evo setup

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/bios: allow passing in crtc to the init table parser

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0/pm: enable clock/voltage hooks

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/bios: fix INIT_GPIO for new chipsets

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0/gpio: initial implementation

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0/i2c: initial implementation

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau: initial chipset description for nvdX chipsets

All the non-stubbed functions should be okay for this chipset, the rest
will be added back as they're figured out.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau: allow modeset module option to select 'headless mode'

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau: fixup init/fini sequence to deal with no CRTCs

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau: make general drm modesetting init common

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvd0: add a card_type for 0xdX chipsets

These are different enough from 0xcX to justify it, half fermi, half
kepler(??)..

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nv04/pm: recalibrate timer on nvclk changes

Signed-off-by: Martin Peres <martin.peres@ensi-bourges.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/tmr: calibrate for ns timestamps on init

We previously assumed (incorrectly a lot of the time) that PTIMER would
be programmed at a frequency which'd give its 64-bit timestamps in
nanoseconds.

By programming PTIMER ourselves, we avoid this problem.

Reviewed-by: Martin Peres <martin.peres@ensi-bourges.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvc0/gr: unblacklist nvcf acceleration

Reported to be working.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau: don't complain for disabled timingset entries

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvc0/gr: copy GPC mpart config from PFFB

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvc0/vram: support non-uniform memory size per controller

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvc0/gr: add support for nvcf chipset

untested, written from a trace, accel disabled by default until it is

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau: allow a nouveau_mm to be created with holes

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau: embed nouveau_mm

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nv31/mpeg: support for a single class3174 user

Uncertain if/how the hw does multiple PMPEG channels, supporting one is
better than none however.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau: rename nv40_mpeg to nv31_mpeg

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvc0/pm: more complete parsing of clock domains

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvc0/pm: initial implementation of clocks_get()

Not too certain on memory clock yet, but it gets the right numbers for
each perflvl on my NVC0.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nva3/pm: idle graphics engine before changing clocks

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau: add function to wait until a callback returns true

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nv50/gr: insert set/clr of a ctxprog flag at start/end of ctxprog

The set will be replaced with a wait on the same flag by a subsequent
commit in order to halt a ctxprog's execution temporarily.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nva3/pm: tidy and add some comments here and there

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nva3/pm: parse/reclock vdec/41a0 clocks

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nva3/pm: rewrite clock_set, and switch to new interfaces

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/pm: add hooks to get/set *all* clocks at once

This is probably better than having to tell the common code about all the
clocks that exist on every chipset.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nva3/pm: rewrite clock readback functions, far more correct now

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/pm: some fermi chipsets still use volt 0x30

Fun, fun.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/pm: allow voltage-only perflvl set, enable nvc0

Okay, my card didn't blow up.  Lets turn it on!

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvc0/pm: enable voltage_get

I don't have a terribly good reason for not enabling voltage_set too, but,
lets wait and see.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/pm: show any info we can manage to glean on current perflvl

Previously wouldn't show detected voltage if we couldn't figure out the
clock frequencies..

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/pm: add support for parsing perflvl voltage on fermi chips

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/pm: add yet another vid gpio tag

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/pm: initial attempt at parsing volt 0x40

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/pm: store voltage in microvolts

Instead of 10s of millivolts, to match fermi vbios.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

Linux 3.1-rc6

Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm: Remove duplicate "return" statement
  drm/nv04/crtc: Bail out if FB is not bound to crtc
  drm/nouveau: fix nv04_sgdma_bind on non-"4kB pages" archs
  drm/nouveau: properly handle allocation failure in nouveau_sgdma_populate
  drm/nouveau: fix oops on pre-semaphore hardware
  drm/nv50/crtc: Bail out if FB is not bound to crtc
  drm/radeon/kms: fix DP detect and EDID fetch for DP bridges

Merge branch 'fixes' of git://git.linaro.org/people/arnd/arm-soc

* 'fixes' of git://git.linaro.org/people/arnd/arm-soc:
  ARM: CSR: add missing sentinels to of_device_id tables
  ARM: cns3xxx: Fix newly introduced warnings in the PCIe code
  ARM: cns3xxx: Fix compile error caused by hardware.h removed
  ARM: davinci: fix cache flush build error
  ARM: davinci: correct MDSTAT_STATE_MASK
  ARM: davinci: da850 EVM: read mac address from SPI flash
  OMAP: omap_device: fix !CONFIG_SUSPEND case in _noirq handlers
  OMAP2430: hwmod: musb: add missing terminator to omap2430_usbhsotg_addrs[]
  OMAP3: clock: indicate that gpt12_fck and wdt1_fck are in the WKUP clockdomain
  OMAP4: clock: fix compile warning
  OMAP4: clock: re-enable previous clockdomain enable/disable sequence
  OMAP: clockdomain: Wait for powerdomain to be ON when using clockdomain force wakeup
  OMAP: powerdomains: Make all powerdomain target states as ON at init

ioctl: register LTTng ioctl

The LTTng 2.0 kernel tracer (stand-alone module package, available at
http://lttng.org) uses the 0xF6 ioctl range for tracer control and
transport operations.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Merge branch 'for-linus' of git://github.com/chrismason/linux

* 'for-linus' of git://github.com/chrismason/linux:
  Btrfs: add dummy extent if dst offset excceeds file end in
  Btrfs: calc file extent num_bytes correctly in file clone
  btrfs: xattr: fix attribute removal
  Btrfs: fix wrong nbytes information of the inode
  Btrfs: fix the file extent gap when doing direct IO
  Btrfs: fix unclosed transaction handle in btrfs_cont_expand
  Btrfs: fix misuse of trans block rsv
  Btrfs: reset to appropriate block rsv after orphan operations
  Btrfs: skip locking if searching the commit root in csum lookup
  btrfs: fix warning in iput for bad-inode
  Btrfs: fix an oops when deleting snapshots

fuse: fix memory leak

kmemleak is reporting that 32 bytes are being leaked by FUSE:

  unreferenced object 0xe373b270 (size 32):
  comm "fusermount", pid 1207, jiffies 4294707026 (age 2675.187s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<b05517d7>] kmemleak_alloc+0x27/0x50
    [<b0196435>] kmem_cache_alloc+0xc5/0x180
    [<b02455be>] fuse_alloc_forget+0x1e/0x20
    [<b0245670>] fuse_alloc_inode+0xb0/0xd0
    [<b01b1a8c>] alloc_inode+0x1c/0x80
    [<b01b290f>] iget5_locked+0x8f/0x1a0
    [<b0246022>] fuse_iget+0x72/0x1a0
    [<b02461da>] fuse_get_root_inode+0x8a/0x90
    [<b02465cf>] fuse_fill_super+0x3ef/0x590
    [<b019e56f>] mount_nodev+0x3f/0x90
    [<b0244e95>] fuse_mount+0x15/0x20
    [<b019d1bc>] mount_fs+0x1c/0xc0
    [<b01b5811>] vfs_kern_mount+0x41/0x90
    [<b01b5af9>] do_kern_mount+0x39/0xd0
    [<b01b7585>] do_mount+0x2e5/0x660
    [<b01b7966>] sys_mount+0x66/0xa0

This leak report is consistent and happens once per boot on
3.1.0-rc5-dirty.

This happens if a FORGET request is queued after the fuse device was
released.

Reported-by: Sitsofe Wheeler <sitsofe@yahoo.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Tested-by: Sitsofe Wheeler <sitsofe@yahoo.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fuse: fix flock breakage

Commit 37fb3a30b4 ("fuse: fix flock") added in 3.1-rc4 caused flock() to
fail with ENOSYS with the kernel ABI version 7.16 or earlier.

Fix by falling back to testing FUSE_POSIX_LOCKS for ABI versions 7.16
and earlier.

Reported-by: Martin Ziegler <ziegler@email.mathematik.uni-freiburg.de>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Tested-by: Martin Ziegler <ziegler@email.mathematik.uni-freiburg.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Merge branch 'for_3.1/pm-fixes-2' of git://gitorious.org/khilman/linux-omap-pm into fixes

Merge branch 'sirf/fixes' into fixes

Merge branch 'v4l_for_linus' of git://linuxtv.org/mchehab/for_linus

* 'v4l_for_linus' of git://linuxtv.org/mchehab/for_linus:
  [media] vp7045: fix buffer setup
  [media] nuvoton-cir: simplify raw IR sample handling
  [media] [Resend] viacam: Don't explode if pci_find_bus() returns NULL
  [media] v4l2: Fix documentation of the codec device controls
  [media] gspca - sonixj: Fix the darkness of sensor om6802 in 320x240
  [media] gspca - sonixj: Fix wrong register mask for sensor om6802
  [media] gspca - ov519: Fix LED inversion of some ov519 webcams
  [media] pwc: precedence bug in pwc_init_controls()

Merge branch 'for-linus' of git://openrisc.net/~jonas/linux

* 'for-linus' of git://openrisc.net/~jonas/linux:
  Add missing DMA ops
  openrisc: don't use pt_regs in struct sigcontext

Btrfs: add dummy extent if dst offset excceeds file end in

You can see there's no file extent with range [0, 4096]. Check this by
btrfsck:

 # btrfsck /dev/sda7
 root 5 inode 258 errors 100
 ...

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

Btrfs: calc file extent num_bytes correctly in file clone

num_bytes should be 4096 not 12288.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

btrfs: xattr: fix attribute removal

An attribute is not removed by 'setfattr -x attr file' and remains
visible in attr list. This makes xfstests/062 pass again.

Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

Btrfs: fix wrong nbytes information of the inode

If we write some data into the data hole of the file(no preallocation for this
hole), Btrfs will allocate some disk space, and update nbytes of the inode, but
the other element--disk_i_size needn't be updated. At this condition, we must
update inode metadata though disk_i_size is not changed(btrfs_ordered_update_i_size()
return 1).

 # mkfs.btrfs /dev/sdb1
 # mount /dev/sdb1 /mnt
 # touch /mnt/a
 # truncate -s 856002 /mnt/a
 # dd if=/dev/zero of=/mnt/a bs=4K count=1 conv=nocreat,notrunc
 # umount /mnt
 # btrfsck /dev/sdb1
 root 5 inode 257 errors 400
 found 32768 bytes used err is 1

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

Btrfs: fix the file extent gap when doing direct IO

When we write some data to the place that is beyond the end of the file
in direct I/O mode, a data hole will be created. And Btrfs should insert
a file extent item that point to this hole into the fs tree. But unfortunately
Btrfs forgets doing it.

The following is a simple way to reproduce it:
 # mkfs.btrfs /dev/sdc2
 # mount /dev/sdc2 /test4
 # touch /test4/a
 # dd if=/dev/zero of=/test4/a seek=8 count=1 bs=4K oflag=direct conv=nocreat,notrunc
 # umount /test4
 # btrfsck /dev/sdc2
 root 5 inode 257 errors 100

Reported-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Tested-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

Btrfs: fix unclosed transaction handle in btrfs_cont_expand

The function - btrfs_cont_expand() forgot to close the transaction handle before
it jump out the while loop. Fix it.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

Btrfs: fix misuse of trans block rsv

At the beginning of create_pending_snapshot, trans->block_rsv is set
to pending->block_rsv and is used for snapshot things, however, when
it is done, we do not recover it as will.

Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>