GitHub/LineageOS/android_kernel_motorola_exynos9610.git
13 years agodrm/nvc0/fifo: restore context table on resume
Ben Skeggs [Tue, 12 Apr 2011 09:38:06 +0000 (19:38 +1000)]
drm/nvc0/fifo: restore context table on resume

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
13 years agodrm/nvc0/fifo: kick channels off during suspend
Ben Skeggs [Tue, 12 Apr 2011 08:51:39 +0000 (18:51 +1000)]
drm/nvc0/fifo: kick channels off during suspend

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
13 years agodrm/nvc0/gr: better handling of fuc firmware
Ben Skeggs [Tue, 12 Apr 2011 08:50:36 +0000 (18:50 +1000)]
drm/nvc0/gr: better handling of fuc firmware

Allows per-chipset firmware to be installed, and keeps a copy in memory
for suspend/resume purposes.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
13 years agodrm/nv50: support PMPEG on original nv50
Ben Skeggs [Tue, 12 Apr 2011 05:20:22 +0000 (15:20 +1000)]
drm/nv50: support PMPEG on original nv50

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
13 years agodrm/nv50: rename nv84_mpeg to nv50_mpeg
Ben Skeggs [Tue, 12 Apr 2011 05:19:54 +0000 (15:19 +1000)]
drm/nv50: rename nv84_mpeg to nv50_mpeg

In preparation for adding 0x50 support.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
13 years agodrm/nv84: add support for PMPEG
Ben Skeggs [Mon, 4 Apr 2011 06:10:00 +0000 (16:10 +1000)]
drm/nv84: add support for PMPEG

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
13 years agodrm/nv40/vpe: add support for PMPEG
Ben Skeggs [Mon, 4 Apr 2011 06:08:24 +0000 (16:08 +1000)]
drm/nv40/vpe: add support for PMPEG

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
13 years agodrm/nvc0: implement support for copy engines
Ben Skeggs [Fri, 1 Apr 2011 06:10:08 +0000 (16:10 +1000)]
drm/nvc0: implement support for copy engines

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
13 years agodrm/nva3: implement support for copy engine
Ben Skeggs [Fri, 18 Mar 2011 00:25:59 +0000 (10:25 +1000)]
drm/nva3: implement support for copy engine

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
13 years agodrm/nouveau: remove remnants of nouveau_pgraph_engine
Ben Skeggs [Fri, 1 Apr 2011 03:56:05 +0000 (13:56 +1000)]
drm/nouveau: remove remnants of nouveau_pgraph_engine

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
13 years agodrm/nouveau: fix suspend failure path to reinitialise all engines
Ben Skeggs [Fri, 1 Apr 2011 03:26:35 +0000 (13:26 +1000)]
drm/nouveau: fix suspend failure path to reinitialise all engines

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
13 years agodrm/nouveau: remove remnants of nouveau_pgraph_engine from nouveau_channel
Ben Skeggs [Fri, 1 Apr 2011 03:17:25 +0000 (13:17 +1000)]
drm/nouveau: remove remnants of nouveau_pgraph_engine from nouveau_channel

The nouveau_wait_for_idle() call should hopefully not have been actually
necessary, we *do* wait for the channel to go idle already.  If it's
an issue somehow, the chipset-specific hooks can wait for idle themselves
before taking the lock.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
13 years agodrm/nouveau: move set_tile_region to nouveau_exec_engine
Ben Skeggs [Fri, 1 Apr 2011 03:10:45 +0000 (13:10 +1000)]
drm/nouveau: move set_tile_region to nouveau_exec_engine

In the very least VPE (PMPEG and friends) also has this style of tile
region regs, lets make them just work if/when they get added.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
13 years agodrm/nv04/gr: move to exec engine interfaces
Ben Skeggs [Fri, 1 Apr 2011 03:03:56 +0000 (13:03 +1000)]
drm/nv04/gr: move to exec engine interfaces

Like nv10-nv50, needs cleanup.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
13 years agodrm/nv10/gr: move to exec engine interfaces
Ben Skeggs [Fri, 1 Apr 2011 02:50:55 +0000 (12:50 +1000)]
drm/nv10/gr: move to exec engine interfaces

Like nv20-nv50, needs cleanup.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
13 years agodrm/nv20-nv30/gr: move to exec engine interface
Ben Skeggs [Fri, 1 Apr 2011 02:32:03 +0000 (12:32 +1000)]
drm/nv20-nv30/gr: move to exec engine interface

A bit of cleanup done along the way, but, like nv40/nv50, needs more.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
13 years agodrm/nv40/gr: move to exec engine interfaces
Ben Skeggs [Fri, 1 Apr 2011 01:33:21 +0000 (11:33 +1000)]
drm/nv40/gr: move to exec engine interfaces

Like nv50, this needs a good cleanup.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
13 years agodrm/nvc0/gr: move to exec engine interfaces
Ben Skeggs [Fri, 1 Apr 2011 00:59:53 +0000 (10:59 +1000)]
drm/nvc0/gr: move to exec engine interfaces

Much nicer to do that nv50, the code was pretty much written to expect
such a change in the future.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
13 years agodrm/nv50/gr: move to exec engine interfaces
Ben Skeggs [Thu, 31 Mar 2011 23:50:18 +0000 (09:50 +1000)]
drm/nv50/gr: move to exec engine interfaces

This needs a massive cleanup, but to catch bugs from the interface changes
vs the engine code cleanup, this will be done later.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
13 years agodrm/nouveau: working towards a common way to represent engines
Ben Skeggs [Thu, 31 Mar 2011 05:40:43 +0000 (15:40 +1000)]
drm/nouveau: working towards a common way to represent engines

There's lots of more-or-less independant engines present on NVIDIA GPUs
these days, and we generally want to perform the same operations on them.
Implementing new ones requires hooking into lots of different places,
the aim of this work is to make this simpler and cleaner.

NV84:NV98 PCRYPT moved over as a test.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
13 years agodrm/nouveau: remove some unused members from dev_priv
Ben Skeggs [Thu, 31 Mar 2011 03:55:49 +0000 (13:55 +1000)]
drm/nouveau: remove some unused members from dev_priv

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
13 years agodrm/nouveau: move engine object creation into per-engine hooks
Ben Skeggs [Thu, 31 Mar 2011 03:44:16 +0000 (13:44 +1000)]
drm/nouveau: move engine object creation into per-engine hooks

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
13 years agodrm/nouveau: use static vidshift of 2 on volt 0x30 tables
Ben Skeggs [Thu, 31 Mar 2011 00:39:44 +0000 (10:39 +1000)]
drm/nouveau: use static vidshift of 2 on volt 0x30 tables

Explanation is in the commit.  If anyone has an example of where this is
*not* the case, please report it!

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
13 years agodrm/nouveau: improve memtiming table parsing
Roy Spliet [Sun, 27 Mar 2011 16:13:11 +0000 (18:13 +0200)]
drm/nouveau: improve memtiming table parsing

Improves the parsing of the memory timing table on NV50-NV98revA1 chipsets.

Added stepping to drm_nouveau_private to make sure newer NV98 (105M) is
zero rather than incorrect.

Signed-off-by: Roy Spliet <r.spliet@student.tudelft.nl>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
13 years agodrm/nvc0: decode gpc/hubclient on vm fault
Ben Skeggs [Mon, 28 Mar 2011 23:28:24 +0000 (09:28 +1000)]
drm/nvc0: decode gpc/hubclient on vm fault

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
13 years agodrm/nvc0: more vm fault reasons
Ben Skeggs [Mon, 28 Mar 2011 22:57:34 +0000 (08:57 +1000)]
drm/nvc0: more vm fault reasons

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
13 years agodrm/nvc0: more vm fault engines
Ben Skeggs [Mon, 28 Mar 2011 14:52:59 +0000 (00:52 +1000)]
drm/nvc0: more vm fault engines

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
13 years agodrm/nouveau: Fix missing whitespace checkpatch.pl errors.
Emil Velikov [Sat, 19 Mar 2011 23:31:54 +0000 (23:31 +0000)]
drm/nouveau: Fix missing whitespace checkpatch.pl errors.

This patch fixes messages such as
ERROR: space required after that ','
ERROR: spaces required around that '='

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
13 years agodrm/nouveau: Fix brace placement checkpatch.pl errors.
Emil Velikov [Sat, 19 Mar 2011 23:31:53 +0000 (23:31 +0000)]
drm/nouveau: Fix brace placement checkpatch.pl errors.

Fix 'ERROR: that open brace { should be on the previous line'
Fix 'ERROR: else should follow close brace }'

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
13 years agodrm/nouveau: Clean up trailing whitespace and C99-style comments.
Emil Velikov [Sat, 19 Mar 2011 23:31:52 +0000 (23:31 +0000)]
drm/nouveau: Clean up trailing whitespace and C99-style comments.

Fix 'ERROR: trailing whitespace',
Fix 'ERROR: do not use C99 // comments'

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
13 years agodrm/nouveau: Fix indentation-related checkpatch.pl error messages.
Emil Velikov [Sat, 19 Mar 2011 23:31:51 +0000 (23:31 +0000)]
drm/nouveau: Fix indentation-related checkpatch.pl error messages.

Fix 'ERROR: code indent should use tabs where possible'
Fix 'ERROR: space required before the open parenthesis ('

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
13 years agodrm/nouveau: name the boot perflvl "boot"
Martin Peres [Sat, 19 Mar 2011 21:44:35 +0000 (22:44 +0100)]
drm/nouveau: name the boot perflvl "boot"

Signed-off-by: Martin Peres <martin.peres@ensi-bourges.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
13 years agodrm/mxm: fix Kconfig options for when to build MXM WMI driver.
Dave Airlie [Mon, 9 May 2011 04:37:10 +0000 (14:37 +1000)]
drm/mxm: fix Kconfig options for when to build MXM WMI driver.

Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agoMerge remote branch 'korg/drm-nvidia-switch-fixes' into drm-core-next
Dave Airlie [Mon, 9 May 2011 03:23:18 +0000 (13:23 +1000)]
Merge remote branch 'korg/drm-nvidia-switch-fixes' into drm-core-next

* korg/drm-nvidia-switch-fixes:
  mxm/wmi: add MXMX interface entry point.
  nouveau: add optimus detection to DSM code.
  vgaarb: use bridges to control VGA routing where possible.
  nouveau/acpi: hook up to the MXM method for mux switching.
  platform/x86: add MXM WMI driver.

13 years agodrm/radeon/kms: fix some logic errors in combios i2c mapping
Alex Deucher [Wed, 4 May 2011 15:14:44 +0000 (15:14 +0000)]
drm/radeon/kms: fix some logic errors in combios i2c mapping

The virtual i2c to real i2c channel mappings weren't setting
the right id in some cases.

Spotted by: Andrew Randrianasulu

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agomxm/wmi: add MXMX interface entry point.
Dave Airlie [Mon, 9 May 2011 01:40:25 +0000 (11:40 +1000)]
mxm/wmi: add MXMX interface entry point.

The MXMX method appears to be a mutex of some sort.

Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agovga_switcheroo: Remove unbalanced pci_enable_device
Alex Williamson [Mon, 2 May 2011 00:49:33 +0000 (18:49 -0600)]
vga_switcheroo: Remove unbalanced pci_enable_device

This is unbalanced and probably more fitting for the client
to take care of.  Remove it.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agonouveau: add optimus detection to DSM code.
Dave Airlie [Tue, 22 Mar 2011 04:10:27 +0000 (14:10 +1000)]
nouveau: add optimus detection to DSM code.

optimus has another DSM GUID, so we check for its existance,
also allow the BIOS stuff is we find it.

Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agovgaarb: use bridges to control VGA routing where possible.
Dave Airlie [Tue, 1 Jun 2010 05:32:24 +0000 (15:32 +1000)]
vgaarb: use bridges to control VGA routing where possible.

So in a lot of modern systems, a GPU will always be below a parent bridge that won't share with any other GPUs. This means VGA arbitration on those GPUs can be controlled by using the bridge routing instead of io/mem decodes.

The problem is locating which GPUs share which upstream bridges. This patch attempts to identify all the GPUs which can be controlled via bridges, and ones that can't. This patch endeavours to work out the bridge sharing semantics.

When disabling GPUs via a bridge, it doesn't do irq callbacks or touch the io/mem decodes for the gpu.

Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agonouveau/acpi: hook up to the MXM method for mux switching.
Dave Airlie [Mon, 6 Dec 2010 02:57:45 +0000 (12:57 +1000)]
nouveau/acpi: hook up to the MXM method for mux switching.

this hooks up nouveau to the MXM mux switching method.

With this in place I can switch the LVDS MUX on my T410s,
I expect we need a bit more work for other laptops.

Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agoplatform/x86: add MXM WMI driver.
Dave Airlie [Mon, 6 Dec 2010 02:43:33 +0000 (12:43 +1000)]
platform/x86: add MXM WMI driver.

MXM is a laptop graphics card form-factor + interface specification,
this adds an initial stub driver to talk to the MXM WMI interface.

The only method used is the MUX switching method needed to do switchable
graphics on the nvidia chipsets.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Acked-by: Matthew Garrett <mjg@redhat.com>
13 years agodrm/radeon/kms: fix up r1xx-rs4xx i2c buses
Alex Deucher [Tue, 3 May 2011 23:47:44 +0000 (19:47 -0400)]
drm/radeon/kms: fix up r1xx-rs4xx i2c buses

Fix the vbios mapping and only add the actual
buses that the cards have.  The existing code was
mostly correct.  Just clean up a few cases on r2xx/r3xx
and document that buses the hw actually has.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agodrm/radeon/kms: set i2c adapter class to I2C_CLASS_DDC
Alex Deucher [Tue, 3 May 2011 17:32:36 +0000 (13:32 -0400)]
drm/radeon/kms: set i2c adapter class to I2C_CLASS_DDC

The most common use of the radeon i2c buses is for ddc.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agodrm/radeon/kms: add support for thermal chips on combios asics
Alex Deucher [Tue, 3 May 2011 16:44:54 +0000 (12:44 -0400)]
drm/radeon/kms: add support for thermal chips on combios asics

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agodrm/fb: fix CONFIG_DRM=m && CONFIG_FB=n
Dave Airlie [Wed, 4 May 2011 03:08:58 +0000 (13:08 +1000)]
drm/fb: fix CONFIG_DRM=m && CONFIG_FB=n

The previous commit to move the parsing into the core drm created a
new situation and a soft dependency on the CONFIG_FB. We really don't
want to make this a hard dependency so just wrap the one place that
actually needs an fb symbol.

Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agodrm: Export the command-line mode parser
Chris Wilson [Sun, 17 Apr 2011 06:43:32 +0000 (07:43 +0100)]
drm: Export the command-line mode parser

In the absence of configuration data for providing the fixed mode for
a panel, I would like to be able to pass such modes along a separate
module paramenter. To do so, I then need to parse a modeline from a
string, which drm is already capable of. Export that capability to the
drivers.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agodrm: Verify debug message arguments
Joe Perches [Mon, 18 Apr 2011 03:35:52 +0000 (20:35 -0700)]
drm: Verify debug message arguments

Add __attribute__((format (printf, 4, 5))) to drm_ut_debug_printk
and fix fallout.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agodrm: Create and use drm_err
Joe Perches [Mon, 18 Apr 2011 03:35:51 +0000 (20:35 -0700)]
drm: Create and use drm_err

Reduce drm text size ~1% by using drm_err and
printf extension %pV to emit error messages.

Remove unused macro DRM_MEM_ERROR.

$ size drivers/gpu/drm/built-in.o*
   text    data     bss     dec     hex filename
 361159    9663     256  371078   5a986 drivers/gpu/drm/built-in.o.new
 365416    9663     256  375335   5ba27 drivers/gpu/drm/built-in.o.old

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agodrm/radeon/kms: remove some underscan leftovers
Alex Deucher [Wed, 27 Apr 2011 16:56:31 +0000 (12:56 -0400)]
drm/radeon/kms: remove some underscan leftovers

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agodrm: Take lock around probes for drm_fb_helper_hotplug_event
Chris Wilson [Fri, 22 Apr 2011 10:03:57 +0000 (11:03 +0100)]
drm: Take lock around probes for drm_fb_helper_hotplug_event

We need to hold the dev->mode_config.mutex whilst detecting the output
status. But we also need to drop it for the call into
drm_fb_helper_single_fb_probe(), which indirectly acquires the lock when
attaching the fbcon.

Failure to do so exposes a race with normal output probing. Detected by
adding some warnings that the mutex is held to the backend detect routines:

[   17.772456] WARNING: at drivers/gpu/drm/i915/intel_crt.c:471 intel_crt_detect+0x3e/0x373 [i915]()
[   17.772458] Hardware name: Latitude E6400
[   17.772460] Modules linked in: ....
[   17.772582] Pid: 11, comm: kworker/0:1 Tainted: G        W 2.6.38.4-custom.2 #8
[   17.772584] Call Trace:
[   17.772591]  [<ffffffff81046af5>] ? warn_slowpath_common+0x78/0x8c
[   17.772603]  [<ffffffffa03f3e5c>] ? intel_crt_detect+0x3e/0x373 [i915]
[   17.772612]  [<ffffffffa0355d49>] ?  drm_helper_probe_single_connector_modes+0xbf/0x2af [drm_kms_helper]
[   17.772619]  [<ffffffffa03534d5>] ?  drm_fb_helper_probe_connector_modes+0x39/0x4d [drm_kms_helper]
[   17.772625]  [<ffffffffa0354760>] ?  drm_fb_helper_hotplug_event+0xa5/0xc3 [drm_kms_helper]
[   17.772633]  [<ffffffffa035577f>] ? output_poll_execute+0x146/0x17c [drm_kms_helper]
[   17.772638]  [<ffffffff81193c01>] ? cfq_init_queue+0x247/0x345
[   17.772644]  [<ffffffffa0355639>] ? output_poll_execute+0x0/0x17c [drm_kms_helper]
[   17.772648]  [<ffffffff8105b540>] ? process_one_work+0x193/0x28e
[   17.772652]  [<ffffffff8105c6bc>] ? worker_thread+0xef/0x172
[   17.772655]  [<ffffffff8105c5cd>] ? worker_thread+0x0/0x172
[   17.772658]  [<ffffffff8105c5cd>] ? worker_thread+0x0/0x172
[   17.772663]  [<ffffffff8105f767>] ? kthread+0x7a/0x82
[   17.772668]  [<ffffffff8100a724>] ? kernel_thread_helper+0x4/0x10
[   17.772671]  [<ffffffff8105f6ed>] ? kthread+0x0/0x82
[   17.772674]  [<ffffffff8100a720>] ? kernel_thread_helper+0x0/0x10

Reported-by: Frederik Himpe <fhimpe@telenet.be>
References: https://bugs.freedesktop.org/show_bug.cgi?id=36394
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agodrm: parse color format support for digital displays
Jesse Barnes [Fri, 15 Apr 2011 20:48:57 +0000 (13:48 -0700)]
drm: parse color format support for digital displays

EDID 1.4 digital displays report the color spaces they support in the
features block.  Add support for grabbing this data and stuffing it into
the display_info struct for driver use.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agodrm: add bit depth parsing
Jesse Barnes [Fri, 15 Apr 2011 19:49:23 +0000 (12:49 -0700)]
drm: add bit depth parsing

EDID 1.4 digital monitors report the bit depth supported in the input
field.  Add support for parsing this out and storing the info in the
display_info structure for use by drivers.

[airlied: tweaked to fix inter-patch dependency]
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agodrm/i915: restore only the mode of this driver on lastclose (v2)
Dave Airlie [Thu, 21 Apr 2011 21:18:32 +0000 (22:18 +0100)]
drm/i915: restore only the mode of this driver on lastclose (v2)

i915 calls the panic handler function on last close to reset the modes,
however this is a really bad idea for multi-gpu machines, esp shareable
gpus machines. So add a new entry point for the driver to just restore
its own fbcon mode.

v2: move code into fb helper, fix panic code to block mode change on
powered off GPUs.

[airlied: this hits drm core and I wrote it and it was reviewed on intel-gfx
 so really I signed it off twice ;-).]
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agodrm/radeon/kms: add info query for tile pipes
Alex Deucher [Tue, 26 Apr 2011 17:27:43 +0000 (13:27 -0400)]
drm/radeon/kms: add info query for tile pipes

needed by mesa for htile setup.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agodrm/radeon/kms: add missing safe regs for 6xx/7xx
Alex Deucher [Tue, 26 Apr 2011 17:10:20 +0000 (13:10 -0400)]
drm/radeon/kms: add missing safe regs for 6xx/7xx

needed for HiS in mesa.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agodrm: select FRAMEBUFFER_CONSOLE_PRIMARY if we have FRAMEBUFFER_CONSOLE
Dave Airlie [Thu, 21 Apr 2011 21:51:33 +0000 (07:51 +1000)]
drm: select FRAMEBUFFER_CONSOLE_PRIMARY if we have FRAMEBUFFER_CONSOLE

Multi-gpu/switcheroo relies on this option to get the console on the
correct GPU at bootup, some distros enable it but it seems some get
it wrong.

cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agoLinux 2.6.39-rc5
Linus Torvalds [Wed, 27 Apr 2011 03:48:50 +0000 (20:48 -0700)]
Linux 2.6.39-rc5

13 years agoinit/Kconfig: fix EXPERT menu list
Randy Dunlap [Tue, 26 Apr 2011 19:33:21 +0000 (12:33 -0700)]
init/Kconfig: fix EXPERT menu list

The EXPERT menu list was recently broken by the insertion of a
kconfig symbol (EMBEDDED) at the beginning of the EXPERT list of
kconfig items.  Broken by:

  commit 6a108a14fa356ef607be308b68337939e56ea94e
  Author: David Rientjes <rientjes@google.com>
  Date:   Thu Jan 20 14:44:16 2011 -0800
    kconfig: rename CONFIG_EMBEDDED to CONFIG_EXPERT

Restore the EXPERT menu list -- don't inject a symbol (EMBEDDED)
that does not depend on EXPERT into the list.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Peter Foley <pefoley2@verizon.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp
Linus Torvalds [Tue, 26 Apr 2011 18:39:37 +0000 (11:39 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/bp/bp

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
  amd64_edac: Erratum #637 workaround
  amd64_edac: Factor in CC6 save area
  amd64_edac: Remove node interleave warning
  EDAC: Remove debugging output in scrub rate handling

13 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog
Linus Torvalds [Tue, 26 Apr 2011 18:39:14 +0000 (11:39 -0700)]
Merge git://git./linux/kernel/git/wim/linux-2.6-watchdog

* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog:
  watchdog: iTCO_wdt: TCO Watchdog patch for Intel Panther Point PCH

13 years agoMerge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
Linus Torvalds [Tue, 26 Apr 2011 18:38:48 +0000 (11:38 -0700)]
Merge branch 'for-linus' of git://git390.marist.edu/linux-2.6

* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6:
  [S390] kvm-390: Let kernel exit SIE instruction on work
  [S390] dasd: check sense type in device change handler
  [S390] pfault: fix token handling
  [S390] qdio: reset error states immediately
  [S390] fix page table walk for changing page attributes
  [S390] prng: prevent access beyond end of stack
  [S390] dasd: fix race between open and offline

13 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
Linus Torvalds [Tue, 26 Apr 2011 15:26:58 +0000 (08:26 -0700)]
Merge git://git./linux/kernel/git/mason/btrfs-unstable

* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable:
  Btrfs: cleanup error handling in inode.c
  Btrfs: put the right bio if we have an error
  Btrfs: free bitmaps properly when evicting the cache
  Btrfs: Free free_space item properly in btrfs_trim_block_group()
  btrfs: add missing spin_unlock to a rare exit path
  Btrfs: check return value of kmalloc()
  btrfs: fix wrong allocating flag when reading page
  Btrfs: fix missing mutex_unlock in btrfs_del_dir_entries_in_log()

13 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs...
Linus Torvalds [Tue, 26 Apr 2011 15:25:16 +0000 (08:25 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/mason/btrfs-unstable

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable:
  Btrfs: do some plugging in the submit_bio threads

13 years agoamd64_edac: Erratum #637 workaround
Borislav Petkov [Wed, 30 Mar 2011 13:42:10 +0000 (15:42 +0200)]
amd64_edac: Erratum #637 workaround

F15h CPUs may report a non-DRAM address when reporting an error address
belonging to a CC6 state save area. Add a workaround to detect this
condition and compute the actual DRAM address of the error as documented
in the Revision Guide for AMD Family 15h Models 00h-0Fh Processors.

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
13 years agoamd64_edac: Factor in CC6 save area
Borislav Petkov [Mon, 21 Mar 2011 19:45:06 +0000 (20:45 +0100)]
amd64_edac: Factor in CC6 save area

F15h and later use a portion of DRAM as a CC6 storage area. BIOS
programs D18F1x[17C:140,7C:40] DRAM Base/Limit accordingly by
subtracting the storage area from the DRAM limit setting. However, in
order for edac to consider that part of DRAM too, we need to include it
into the per-node range.

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
13 years agoamd64_edac: Remove node interleave warning
Borislav Petkov [Fri, 8 Apr 2011 13:05:21 +0000 (15:05 +0200)]
amd64_edac: Remove node interleave warning

This warning was wrongfully added for a normal condition - intlvsel
actually selects the destination node when node interleaving is enabled
and it is not a mismatch. For a detailed example, see section 2.8.10.2
"Node Interleaving" in F10h BKDG.

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
13 years agowatchdog: iTCO_wdt: TCO Watchdog patch for Intel Panther Point PCH
Seth Heasley [Wed, 20 Apr 2011 17:56:20 +0000 (10:56 -0700)]
watchdog: iTCO_wdt: TCO Watchdog patch for Intel Panther Point PCH

This patch adds the TCO Watchdog DeviceIDs for the Intel Panther Point PCH.

Signed-off-by: Seth Heasley <seth.heasley@intel.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
13 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
Linus Torvalds [Tue, 26 Apr 2011 03:38:50 +0000 (20:38 -0700)]
Merge git://git./linux/kernel/git/sfrench/cifs-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
  CIFS: Fix memory over bound bug in cifs_parse_mount_options

13 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ecryptfs...
Linus Torvalds [Tue, 26 Apr 2011 02:01:12 +0000 (19:01 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/ecryptfs/ecryptfs-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ecryptfs/ecryptfs-2.6:
  eCryptfs: Flush dirty pages in setattr
  eCryptfs: Handle failed metadata read in lookup
  eCryptfs: Add reference counting to lower files
  eCryptfs: dput dentries returned from dget_parent
  eCryptfs: Remove extra d_delete in ecryptfs_rmdir

13 years agoMerge branch 'for-torvalds' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw...
Linus Torvalds [Tue, 26 Apr 2011 02:00:55 +0000 (19:00 -0700)]
Merge branch 'for-torvalds' of git://git./linux/kernel/git/linusw/linux-stericsson

* 'for-torvalds' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
  rtc: fix coh901331 startup crash
  mach-ux500: fix i2c0 device setup regression

13 years agoSELINUX: Make selinux cache VFS RCU walks safe
Eric Paris [Mon, 25 Apr 2011 20:26:29 +0000 (16:26 -0400)]
SELINUX: Make selinux cache VFS RCU walks safe

Now that the security modules can decide whether they support the
dcache RCU walk or not it's possible to make selinux a bit more
RCU friendly.  The SELinux AVC and security server access decision
code is RCU safe.  A specific piece of the LSM audit code may not
be RCU safe.

This patch makes the VFS RCU walk retry if it would hit the non RCU
safe chunk of code.  It will normally just work under RCU.  This is
done simply by passing the VFS RCU state as a flag down into the
avc_audit() code and returning ECHILD there if it would have an issue.

Based-on-patch-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoadd hlist_bl_lock/unlock helpers
Christoph Hellwig [Mon, 25 Apr 2011 18:01:36 +0000 (14:01 -0400)]
add hlist_bl_lock/unlock helpers

Now that the whole dcache_hash_bucket crap is gone, go all the way and
also remove the weird locking layering violations for locking the hash
buckets.  Add hlist_bl_lock/unlock helpers to move the locking into the
list abstraction instead of requiring each caller to open code it.
After all allowing for the bit locks is the whole point of these helpers
over the plain hlist variant.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agobit_spinlock: don't play preemption games inside the busy loop
Linus Torvalds [Tue, 26 Apr 2011 01:10:58 +0000 (18:10 -0700)]
bit_spinlock: don't play preemption games inside the busy loop

When we are waiting for the bit-lock to be released, and are looping
over the 'cpu_relax()' should not be doing anything else - otherwise we
miss the point of trying to do the whole 'cpu_relax()'.

Do the preemption enable/disable around the loop, rather than inside of
it.

Noticed when I was looking at the code generation for the dcache
__d_drop usage, and the code just looked very odd.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoeCryptfs: Flush dirty pages in setattr
Tyler Hicks [Fri, 22 Apr 2011 18:08:00 +0000 (13:08 -0500)]
eCryptfs: Flush dirty pages in setattr

After 57db4e8d73ef2b5e94a3f412108dff2576670a8a changed eCryptfs to
write-back caching, eCryptfs page writeback updates the lower inode
times due to the use of vfs_write() on the lower file.

To preserve inode metadata changes, such as 'cp -p' does with
utimensat(), we need to flush all dirty pages early in
ecryptfs_setattr() so that the user-updated lower inode metadata isn't
clobbered later in writeback.

https://bugzilla.kernel.org/show_bug.cgi?id=33372

Reported-by: Rocko <rockorequin@hotmail.com>
Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
13 years agoeCryptfs: Handle failed metadata read in lookup
Tyler Hicks [Tue, 15 Mar 2011 19:54:00 +0000 (14:54 -0500)]
eCryptfs: Handle failed metadata read in lookup

When failing to read the lower file's crypto metadata during a lookup,
eCryptfs must continue on without throwing an error. For example, there
may be a plaintext file in the lower mount point that the user wants to
delete through the eCryptfs mount.

If an error is encountered while reading the metadata in lookup(), the
eCryptfs inode's size could be incorrect. We must be sure to reread the
plaintext inode size from the metadata when performing an open() or
setattr(). The metadata is already being read in those paths, so this
adds minimal performance overhead.

This patch introduces a flag which will track whether or not the
plaintext inode size has been read so that an incorrect i_size can be
fixed in the open() or setattr() paths.

https://bugs.launchpad.net/bugs/509180

Cc: <stable@kernel.org>
Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
13 years agoBtrfs: cleanup error handling in inode.c
Tsutomu Itoh [Mon, 25 Apr 2011 23:43:53 +0000 (19:43 -0400)]
Btrfs: cleanup error handling in inode.c

The error processing of several places is changed like setting the
error number only at the error.

Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
13 years agoBtrfs: put the right bio if we have an error
Josef Bacik [Mon, 25 Apr 2011 23:43:52 +0000 (19:43 -0400)]
Btrfs: put the right bio if we have an error

In btrfs_submit_direct_hook if the first btrfs_map_block fails we need to put
the orig_bio, not bio.

Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
13 years agoBtrfs: free bitmaps properly when evicting the cache
Josef Bacik [Mon, 25 Apr 2011 23:43:52 +0000 (19:43 -0400)]
Btrfs: free bitmaps properly when evicting the cache

If our space cache is wrong, we do the right thing and free up everything that
we loaded, however we don't reset the total_bitmaps counter or the thresholds or
anything.  So in btrfs_remove_free_space_cache make sure to call free_bitmap()
if it's a bitmap, this will keep us from panicing when we check to make sure we
don't have too many bitmaps.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
13 years agoBtrfs: Free free_space item properly in btrfs_trim_block_group()
Li Zefan [Mon, 25 Apr 2011 23:43:52 +0000 (19:43 -0400)]
Btrfs: Free free_space item properly in btrfs_trim_block_group()

Since commit dc89e9824464e91fa0b06267864ceabe3186fd8b, we've changed
to use a specific slab for alocation of free_space items.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
13 years agobtrfs: add missing spin_unlock to a rare exit path
David Sterba [Mon, 25 Apr 2011 23:43:52 +0000 (19:43 -0400)]
btrfs: add missing spin_unlock to a rare exit path

Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
13 years agoBtrfs: check return value of kmalloc()
Tsutomu Itoh [Mon, 25 Apr 2011 23:43:52 +0000 (19:43 -0400)]
Btrfs: check return value of kmalloc()

The check on the return value of kmalloc() is added to some places.

Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
13 years agobtrfs: fix wrong allocating flag when reading page
Itaru Kitayama [Mon, 25 Apr 2011 23:43:51 +0000 (19:43 -0400)]
btrfs: fix wrong allocating flag when reading page

the space cache use extent_readpages() to read free space information,
so we can not use GFP_KERNEL flag to allocate memory, or it may lead
to deadlock.

Signed-off-by: Itaru Kitayama <kitayama@cl.bb4u.ne.jp>
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
13 years agoBtrfs: fix missing mutex_unlock in btrfs_del_dir_entries_in_log()
Tsutomu Itoh [Mon, 25 Apr 2011 23:43:51 +0000 (19:43 -0400)]
Btrfs: fix missing mutex_unlock in btrfs_del_dir_entries_in_log()

It is necessary to unlock mutex_lock before it return an error when
btrfs_alloc_path() fails.

Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
13 years agoeCryptfs: Add reference counting to lower files
Tyler Hicks [Thu, 14 Apr 2011 20:35:11 +0000 (15:35 -0500)]
eCryptfs: Add reference counting to lower files

For any given lower inode, eCryptfs keeps only one lower file open and
multiplexes all eCryptfs file operations through that lower file. The
lower file was considered "persistent" and stayed open from the first
lookup through the lifetime of the inode.

This patch keeps the notion of a single, per-inode lower file, but adds
reference counting around the lower file so that it is closed when not
currently in use. If the reference count is at 0 when an operation (such
as open, create, etc.) needs to use the lower file, a new lower file is
opened. Since the file is no longer persistent, all references to the
term persistent file are changed to lower file.

Locking is added around the sections of code that opens the lower file
and assign the pointer in the inode info, as well as the code the fputs
the lower file when all eCryptfs users are done with it.

This patch is needed to fix issues, when mounted on top of the NFSv3
client, where the lower file is left silly renamed until the eCryptfs
inode is destroyed.

Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
13 years agoeCryptfs: dput dentries returned from dget_parent
Tyler Hicks [Tue, 12 Apr 2011 16:23:09 +0000 (11:23 -0500)]
eCryptfs: dput dentries returned from dget_parent

Call dput on the dentries previously returned by dget_parent() in
ecryptfs_rename(). This is needed for supported eCryptfs mounts on top
of the NFSv3 client.

Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
13 years agoeCryptfs: Remove extra d_delete in ecryptfs_rmdir
Tyler Hicks [Tue, 12 Apr 2011 16:21:36 +0000 (11:21 -0500)]
eCryptfs: Remove extra d_delete in ecryptfs_rmdir

vfs_rmdir() already calls d_delete() on the lower dentry. That was being
duplicated in ecryptfs_rmdir() and caused a NULL pointer dereference
when NFSv3 was the lower filesystem.

Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
13 years agoMerge branch 'dcache-cleanup'
Linus Torvalds [Sun, 24 Apr 2011 15:51:15 +0000 (08:51 -0700)]
Merge branch 'dcache-cleanup'

* dcache-cleanup:
  vfs: get rid of insane dentry hashing rules

13 years agoMerge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzi...
Linus Torvalds [Sun, 24 Apr 2011 15:45:37 +0000 (08:45 -0700)]
Merge branch 'upstream-linus' of git://git./linux/kernel/git/jgarzik/libata-dev

* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
  libata: ahci_start_engine compliant to AHCI spec
  ata: pata_at91.c bugfix for initial_timing initialisation
  ata: pata_at91.c bugfix for high master clock
  ahci: AHCI-mode SATA patch for Intel Panther Point DeviceIDs
  ata_piix: IDE-mode SATA patch for Intel Panther Point DeviceIDs
  libata: Pioneer DVR-216D can't do SETXFER
  ahci: don't enable port irq before handler is registered
  libata: Implement ATA_FLAG_NO_DIPM and apply it to mcp65
  libata: Kill unused ATA_DFLAG_{H|D}IPM flags
  ahci: EM supported message type sysfs attribute

13 years agoMerge branch 'for-linus' of git://git.infradead.org/ubifs-2.6
Linus Torvalds [Sun, 24 Apr 2011 15:42:15 +0000 (08:42 -0700)]
Merge branch 'for-linus' of git://git.infradead.org/ubifs-2.6

* 'for-linus' of git://git.infradead.org/ubifs-2.6:
  UBIFS: fix master node recovery
  UBIFS: fix false assertion warning in case of I/O failures
  UBIFS: fix false space checking failure

13 years agolibata: ahci_start_engine compliant to AHCI spec
Jian Peng [Sat, 23 Apr 2011 06:58:10 +0000 (23:58 -0700)]
libata: ahci_start_engine compliant to AHCI spec

At the end of section 10.1 of AHCI spec (rev 1.3), it states

Software shall not set PxCMD.ST to 1 until it is determined that
a functoinal device is present on the port as determined by
PxTFD.STS.BSY=0, PxTFD.STS.DRQ=0 and PxSSTS.DET=3h

Even though most AHCI host controller works without this check,
specific controller will fail under this condition.

Signed-off-by: Jian Peng <jipeng2005@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
13 years agoata: pata_at91.c bugfix for initial_timing initialisation
Igor Plyatov [Mon, 28 Mar 2011 12:56:14 +0000 (16:56 +0400)]
ata: pata_at91.c bugfix for initial_timing initialisation

The "struct ata_timing" must contain 10 members, but ".dmack_hold" member was
forgotten for "initial_timing" initialisation. This patch fixes such a problem.

Signed-off-by: Igor Plyatov <plyatov@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
13 years agoata: pata_at91.c bugfix for high master clock
Igor Plyatov [Mon, 28 Mar 2011 12:56:15 +0000 (16:56 +0400)]
ata: pata_at91.c bugfix for high master clock

The AT91SAM9 microcontrollers with master clock higher then 105 MHz
and PIO0, have overflow of the NCS_RD_PULSE value in the MSB. This
lead to "NCS_RD_PULSE" pulse longer then "NRD_CYCLE" pulse and driver
does not detect ATA device.

Signed-off-by: Igor Plyatov <plyatov@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
13 years agoahci: AHCI-mode SATA patch for Intel Panther Point DeviceIDs
Seth Heasley [Wed, 20 Apr 2011 15:45:20 +0000 (08:45 -0700)]
ahci: AHCI-mode SATA patch for Intel Panther Point DeviceIDs

The previously submitted patch was word-wrapped.

This patch adds the AHCI-mode SATA DeviceIDs for the Intel Panther Point PCH.

Signed-off-by: Seth Heasley <seth.heasley@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
13 years agoata_piix: IDE-mode SATA patch for Intel Panther Point DeviceIDs
Seth Heasley [Wed, 20 Apr 2011 15:43:37 +0000 (08:43 -0700)]
ata_piix: IDE-mode SATA patch for Intel Panther Point DeviceIDs

The previously submitted patch was word-wrapped.

This patch adds the IDE-mode SATA DeviceIDs for the Intel Panther
Point PCH.

Signed-off-by: Seth Heasley <seth.heasley@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
13 years agolibata: Pioneer DVR-216D can't do SETXFER
Jeff Mahoney [Tue, 19 Apr 2011 15:13:32 +0000 (11:13 -0400)]
libata: Pioneer DVR-216D can't do SETXFER

 Commit 4a5610a04d415ed94af75bb1159d2621d62c8328 fixed an issue with
 the Pioneer DVR-212D not handling SETXFER correctly. An openSUSE user
 reported a similar issue with his DVR-216D that the NOSETXFER horkage
 worked around for him as well.

 This patch adds the DVR-216D (1.08) to the horkage list for NOSETXFER.

 The issue was reported at:
 https://bugzilla.novell.com/show_bug.cgi?id=679143

Reported-by: Volodymyr Kyrychenko <vladimir.kirichenko@gmail.com>
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
13 years agoahci: don't enable port irq before handler is registered
Maxime Bizon [Wed, 16 Mar 2011 13:58:32 +0000 (14:58 +0100)]
ahci: don't enable port irq before handler is registered

The ahci_pmp_attach() & ahci_pmp_detach() unmask port irqs, but they
are also called during port initialization, before ahci host irq
handler is registered. On ce4100 platform, this sometimes triggers
"irq 4: nobody cared" message when loading driver.

Fixed this by not touching the register if the port is in frozen
state, and mark all uninitialized port as frozen.

Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
Acked-by: Tejun Heo <tj@kernel.org>
Cc: stable@kernel.org
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
13 years agolibata: Implement ATA_FLAG_NO_DIPM and apply it to mcp65
Tejun Heo [Wed, 16 Mar 2011 10:14:55 +0000 (11:14 +0100)]
libata: Implement ATA_FLAG_NO_DIPM and apply it to mcp65

NVIDIA mcp65 familiy of controllers cause command timeouts when DIPM
is used.  Implement ATA_FLAG_NO_DIPM and apply it.

This problem was reported by Stefan Bader in the following thread.

 http://thread.gmane.org/gmane.linux.ide/48841

stable: applicable to 2.6.37 and 38.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Stefan Bader <stefan.bader@canonical.com>
Cc: stable@kernel.org
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
13 years agolibata: Kill unused ATA_DFLAG_{H|D}IPM flags
Tejun Heo [Wed, 16 Mar 2011 10:14:25 +0000 (11:14 +0100)]
libata: Kill unused ATA_DFLAG_{H|D}IPM flags

ATA_DFLAG_{H|D}IPM flags are no longer used.  Kill them.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
13 years agoahci: EM supported message type sysfs attribute
Hannes Reinecke [Fri, 4 Mar 2011 08:54:52 +0000 (09:54 +0100)]
ahci: EM supported message type sysfs attribute

This patch adds an sysfs attribute 'em_message_supported' to the
ahci host device which prints out the supported enclosure management
message types.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
13 years agokconfig: Avoid buffer underrun in choice input
Ben Hutchings [Sat, 23 Apr 2011 17:42:56 +0000 (18:42 +0100)]
kconfig: Avoid buffer underrun in choice input

Commit 40aee729b350 ('kconfig: fix default value for choice input')
fixed some cases where kconfig would select the wrong option from a
choice with a single valid option and thus enter an infinite loop.

However, this broke the test for user input of the form 'N?', because
when kconfig selects the single valid option the input is zero-length
and the test will read the byte before the input buffer.  If this
happens to contain '?' (as it will in a mips build on Debian unstable
today) then kconfig again enters an infinite loop.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: stable@kernel.org [2.6.17+]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>