http://bugzilla.kernel.org/show_bug.cgi?id=15328

This fixes a serious regression on AGP/non-PAT systems, where
pages were ending up in the wrong state and slowing down the
whole system.

[airlied: taken this from the bug as the other option is to revert
the change which caused it].

Tested-by: John W. Linville (in bug).
Signed-off-by: NDave Airlie <airlied@redhat.com>

This patch fixes occlusion queries and rendering errors
on rv740 boards. Hardcoding the backend map is not an optimal
solution, but a better fix is being worked on.
Signed-off-by: NAlex Deucher <alexdeucher@gmail.com>
Signed-off-by: NDave Airlie <airlied@redhat.com>

Just compare the i2c id since the i2c structs
may be slighly different.

Fixes fdo bug 26616.
Signed-off-by: NAlex Deucher <alexdeucher@gmail.com>
Signed-off-by: NDave Airlie <airlied@redhat.com>

rs600 board lists DVI port as HDMI.

Fixes fdo bug 26605
Signed-off-by: NAlex Deucher <alexdeucher@gmail.com>
Signed-off-by: NDave Airlie <airlied@redhat.com>

Commit 77c1ff39 fixed the userspace
pointer dereference, but introduced another bug pointed out by Eugene Teo
in RH bug #564264. Instead of comparing the point we were at in the string,
we instead compared the beginning of the string to "default".
Signed-off-by: NKyle McMartin <kyle@redhat.com>
Reported-by: NEugene Teo <eteo@redhat.com>
Signed-off-by: NDave Airlie <airlied@redhat.com>

* 'for-airlied' of git://git.freedesktop.org/git/nouveau/linux-2.6:
  drm/nouveau: Force TV encoder DPMS reinit after resume.
  drm/nouveau: use mutex for vbios lock

Previous code did associate fence to bo before the fence was emited
and it also didn't lock protected access to ttm sync_obj member.
Both of this flaw leads to possible race between different code
path. This patch fix this by associating fence only once the fence
is emitted and properly lock protect access to sync_obj member of
ttm.

Fix:
https://bugs.freedesktop.org/show_bug.cgi?id=26438
and likely similar others bugs
Signed-off-by: NJerome Glisse <jglisse@redhat.com>
Signed-off-by: NDave Airlie <airlied@redhat.com>

There is 3 different distinct states for an indirect buffer (IB) :
  1- free with no fence
  2- free with a fence
  3- non free (fence doesn't matter)
Previous code mixed case 2 & 3 in a single one leading to possible
catastrophique failure. This patch rework the handling and properly
separate each case. So when you get ib we set the ib as non free and
fence status doesn't matter. Fence become active (ie has a meaning
for the ib code) once the ib is scheduled or free. This patch also
get rid of the alloc bitmap as it was overkill, we know go through
IB pool list like in a ring buffer as the oldest IB is the first
one the will be free.

Fix :
https://bugs.freedesktop.org/show_bug.cgi?id=26438
and likely other bugs.

V2 remove the scheduled list, it's useless now, fix free ib scanning
Signed-off-by: NJerome Glisse <jglisse@redhat.com>
Signed-off-by: NDave Airlie <airlied@redhat.com>

cf. https://bugzilla.redhat.com/show_bug.cgi?id=533561Signed-off-by: NAdam Jackson <ajax@redhat.com>
Signed-off-by: NDave Airlie <airlied@redhat.com>

When the vmwgfx module is loaded on top of vesafb, it would operate in
stealth mode in parallel with vesafb, evicting VRAM on dropmaster.

Change that to use the vesafb handover mechanism, like other drmfb drivers.
Signed-off-by: NThomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: NDave Airlie <airlied@redhat.com>

For usec delays use udelay instead of scheduling, this should
allow reclocking to happen faster. This also was the cause
of reported 33s delays at bootup on certain systems.

fixes: freedesktop.org bug 25506

Cc: stable@kernel.org
Signed-off-by: NDave Airlie <airlied@redhat.com>

Signed-off-by: NFrancisco Jerez <currojerez@riseup.net>
Signed-off-by: NBen Skeggs <bskeggs@redhat.com>

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

In testing I've never seen it go past 1 retry anyways but better
safe than sorry.

Reported by Droste on irc.
Signed-off-by: NDave Airlie <airlied@redhat.com>

Noticed on a DEC Alpha.

Start up into console mode caused 15 unaligned accesses, and starting X
caused another 48.
Signed-off-by: NMatt Turner <mattst88@gmail.com>
CC: Jerome Glisse <jglisse@redhat.com>
CC: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: NDave Airlie <airlied@redhat.com>

If the buffer object was already in the requested memory type, but
outside of the requested range it was never moved into the requested range.
Signed-off-by: NThomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: NDave Airlie <airlied@redhat.com>

When searching for free space in a range, the function could return a node extending outside of the given range.
Signed-off-by: NThomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: NDave Airlie <airlied@redhat.com>

* 'fix/hda' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
  ALSA: hda - use WARN_ON_ONCE() for zero-division detection

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel:
  drm/i915: hold ref on flip object until it completes
  drm/i915: Fix crash while aborting hibernation
  drm/i915: Correctly return -ENOMEM on allocation failure in cmdbuf ioctls.
  drm/i915: fix pipe source image setting in flip command
  drm/i915: fix flip done interrupt on Ironlake
  drm/i915: untangle page flip completion
  drm/i915: handle FBC and self-refresh better
  drm/i915: Increase fb alignment to 64k
  drm/i915: Update write_domains on active list after flush.
  drm/i915: Rework DPLL calculation parameters for Ironlake

Replace the zero-division warning message with WARN_ON_ONCE() per the
advice by Linus.  This shouldn't happen, but if it happens, it's
possible that the bug happens often due to buggy IRQs.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Mike Frysinger pointed out that calling tracehook_signal_handler with
stepping=0 missed testing the thread flags, resulting in not calling
ptrace_notify. Fix this by testing if we're single stepping or branch
stepping and setting the flag accordingly.

Tested, seems to work.
Reported-by: NMike Frysinger <vapier@gentoo.org>
Signed-off-by: NKyle McMartin <kyle@mcmartin.ca>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

* 'fix/hda' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
  ALSA: hda-intel: Avoid divide by zero crash

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6:
  regulator/lp3971: vol_map out of bounds in lp3971_{ldo,dcdc}_set_voltage()
  regulator: Fix display of null constraints for regulators

* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes:
  GFS2: Fix bmap allocation corner-case bug
  GFS2: Fix error code

After `for (val = LDO_VOL_MIN_IDX; val <= LDO_VOL_MAX_IDX; val++)', if no break
occurs, val reaches LDO_VOL_MIN_IDX + 1, which is out of bounds for
ldo45_voltage_map[] and ldo123_voltage_map[].

Similarly BUCK_TARGET_VOL_MAX_IDX + 1 is out of bounds for buck_voltage_map[].
Signed-off-by: NRoel Kluin <roel.kluin@gmail.com>
Acked-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: NLiam Girdwood <lrg@slimlogic.co.uk>

If the regulator constraints are empty and there is no voltage
reported then nothing will be added to the text displayed for the
constraints, leading to random stack data being printed. This is
unlikely to happen for practical regulators since most will at
least report a voltage but should still be fixed.
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
Signed-off-by: NLiam Girdwood <lrg@slimlogic.co.uk>

This patch solves a corner case during allocation which occurs if both
metadata (indirect) and data blocks are required but there is an
obstacle in the filesystem (e.g. a resource group header or another
allocated block) such that when the allocation is requested only
enough blocks for the metadata are returned.

By changing the exit condition of this loop, we ensure that a
minimum of one data block will always be returned.
Signed-off-by: NSteven Whitehouse <swhiteho@redhat.com>

We need this one-liner to signal the mount helper of the 'insufficient journals' condition.
Signed-off-by: NAbhijith Das <adas@redhat.com>
Signed-off-by: NSteven Whitehouse <swhiteho@redhat.com>

Merge branch 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6

* 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6:
  OMAP: hsmmc: fix memory leak

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
  amd64_edac: Do not falsely trigger kerneloops

* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
  cciss: Make cciss_seq_show handle holes in the h->drv[] array
  cfq-iosched: split seeky coop queues after one slice

* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6:
  NFS: Fix the mapping of the NFSERR_SERVERFAULT error
  NFS: Remove a redundant check for PageFsCache in nfs_migrate_page()
  NFS: Fix a bug in nfs_fscache_release_page()

* git://git.infradead.org/users/cbou/battery-2.6.33:
  wm97xx_battery: Handle missing platform data gracefully

* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
  [SCSI] qla2xxx: Obtain proper host structure during response-queue processing.
  [SCSI] compat_ioct: fix bsg SG_IO
  [SCSI] qla2xxx: make msix interrupt handler safe for irq
  [SCSI] zfcp: Report FC BSG errors in correct field
  [SCSI] mptfusion : mptscsih_abort return value should be SUCCESS instead of value 0.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: psmouse - make sure we don't schedule reconnects after cleanup

* 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (30 commits)
  vgaarb: fix incorrect dereference of userspace pointer.
  drm/radeon/kms: retry auxch on 0x20 timeout value.
  drm/radeon: Skip dma copy test in benchmark if card doesn't have dma engine.
  drm/vmwgfx: Fix a circular locking dependency bug.
  drm/vmwgfx: Drop scanout flag compat and add execbuf ioctl parameter members. Bumps major.
  drm/vmwgfx: Report propper framebuffer_{max|min}_{width|height}
  drm/vmwgfx: Update the user-space interface.
  drm/radeon/kms: fix screen clearing before fbcon.
  nouveau: fix state detection with switchable graphics
  drm/nouveau: move dereferences after null checks
  drm/nv50: make the pgraph irq handler loop like the pre-nv50 version
  drm/nv50: delete ramfc object after disabling fifo, not before
  drm/nv50: avoid unloading pgraph context when ctxprog is running
  drm/nv50: align size of buffer object to the right boundaries.
  drm/nv50: disregard dac outputs in nv50_sor_dpms()
  drm/nv50: prevent multiple init tables being parsed at the same time
  drm/nouveau: make dp auxch xfer len check for reads only
  drm/nv40: make INIT_COMPUTE_MEM a NOP, just like nv50
  drm/nouveau: Add proper vgaarb support.
  drm/nouveau: Fix fbcon on mixed pre-NV50 + NV50 multicard.
  ...

* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx:
  drivers/dma: Correct NULL test
  async-tx: fix buffer submission error handling in ipu_idma.c
  dmaengine: correct onstack wait_queue_head declaration
  ioat: fix infinite timeout checking in ioat2_quiesce
  dmaengine: fix memleak in dma_async_device_unregister

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  MIPS: Don't probe reserved EntryHi bits.
  MIPS: SNI: Correct NULL test
  MIPS: Fix __devinit __cpuinit confusion in cpu_cache_init
  MIPS: IP27: Make defconfig useful again.
  MIPS: Fixup of the r4k timer

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
  RDMA/cm: Revert association of an RDMA device when binding to loopback