This is in preparation for extending the support to the remaining
chipsets, to allow for sharing more functions.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
v2: fdo#55948 - the _ROM method silently truncates size to 4KiB, perform
a checksum test and fall back to slow _ROM access on failure.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
I didn't bother with documenting the really trivial new "extract
something from dpcd" helpers, but the i2c over aux ch is now
documented a bit.
v2: Clarify the comment for i2c_dp_aux_add_bus a bit.
v3: Fix more spelling fail spotted by Laurent Pinchart.
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Again only minimal changes to make kerneldoc no longer shout. Plus a
little introduction in the form of a inline DOC: section to quickly
explain what this is all about.
v2: Fixup spelling fail.
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
- Add the missing doc for drm_helper_move_panel_connectors_to_head.
- Fixup any outdated stuff in existing sections. I've only looked at
those kerneldoc headers that actually resulted in a complaint from
the kerneldoc parser tool.
v2:
- Actually include the docbook snippet in the right patch.
- Fix spelling fail.
v3: It's now called drm_crtc_helper_set_mode, spotted by Laurent
Pinchart.
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
I'm devoting all my wrath to that fight, so don't misname it ;-)
v2: Make it clear that this section talks about kms helpers.
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Those tend to be totally not interesting for end-users, and for
debugging we tend to dump the entire noise anyway by enabling all
debug messages.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=57388
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Prevent ati_pcigart.c being built unless PCI is enabled. The exported
functions in this file are only used by drivers which depend on PCI
(namely r128 and radeon), and it tries to use PCI specific functions
(pci_unmap_page, pci_map_page, and pci_dma_mapping_error) that cause
compiler errors when PCI is disabled.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Make sure that other DRM clients can't map the contents of
non-shareable buffer objects.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Add support for host1x, the display controllers and HDMI on the Tegra30
SoC.
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Tested-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Mark Zhang <markz@nvidia.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Instead of using the stride derived from the display mode, use the pitch
associated with the currently active framebuffer. This fixes a bug where
the LCD display content would be skewed when enabling HDMI with a video
mode different from that of the LCD.
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Mark Zhang <markz@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Removes the need for a write lock each time we call ttm_bo_unref().
v2: Remove an unused variable.
v3: Really remove the unused variable.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Also move a kref_init() out of spinlocked region
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
They need to be freed after an rcu grace period.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Document how kref_get_unless_zero should be used and how it helps
solve a typical kref / locking problem.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
While hashtab should now be RCU-safe, Add a drm_ht_xxx_api for consumers
to use to make it obvious what locking mechanism is used.
Document the way the rcu-safe interface should be used.
Don't use rcu-safe list traversal in modify operations where we should use
a spinlock / mutex anyway.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Just a single pll/crtc regression fix.
* 'drm-fixes-3.7' of git://people.freedesktop.org/~agd5f/linux:
radeon: fix pll/ctrc mapping on dce2 and dce3 hardware
This fix black screen on resume issue that some people are
experiencing. There is a bug in the atombios code regarding
pll/crtc mapping. The atombios code reverse the logic for
the pll and crtc mapping.
agd5f: drop unnecessary crtc id check, cc stable in case
we miss 3.7.
This fixes the root cause that was worked around by commits:
drm/radeon: allocate PPLLs from low to high
drm/radeon/dce3: switch back to old pll allocation order for discrete
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Daniel writes:
- Unbreak mbp retina, this time with a much more fine-grained approach
(since the previous "completely ignore edp vbt bpp value" regressed some
machines even after fixing a bug in our dp bw code).
- Disable cloning on sdvo. It just doesn't work (yeah took us a while to
figure out), leading to jittery outputs in the best case.
- Revert rc6 for ilk again. It seems to help a few of the gpu hang
reporters at least, and it's definitely the best we've got.
Head-against-the-wall-banging is still ongoing for what really breaks
(and how we can reproduce the non-rc6 hangs and how to reproduce on
gen4).
* 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel:
Revert "drm/i915: enable rc6 on ilk again"
drm/i915: do not default to 18 bpp for eDP if missing from VBT
drm/i915: disable cloning on sdvo
Pull powerpc EEH bugfixes from Benjamin Herrenschmidt.
Two one-liner fixes for the new EEH code.
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc/eeh: Do not invalidate PE properly
powerpc/pseries: Fix oops with MSIs when missing EEH PEs
Pull MIPS fixes from Ralf Baechle:
"Three issues fixed accross the field:
- Some functions that were recently outlined as part of a preemption
fix were causing problems with function tracing.
- The recently merged in-kernel MPI library uses very outdated
headers that contain MIPS-specific code which won't build on with
gcc 4.4 or newer.
- The MIPS non-NUMA memory initialization was making only a very
half-baked attempt at merging adjacent memory ranges. This kept
the code simple enough but is now causing issues with kexec."
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MPI: Fix compilation on MIPS with GCC 4.4 and newer
MIPS: Fix crash that occurs when function tracing is enabled
MIPS: Merge overlapping bootmem ranges
While the EEH does recovery on the specific PE that has PCI errors,
the PCI devices belonging to the PE will be removed and the PE will
be marked as invalid since we still need the information stored in
the PE. We only invalidate the PE when it doesn't have associated
EEH devices and valid child PEs. However, the code used to check
that is wrong. The patch fixes that.
Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Even with the cumulative set of ilk w/a, rc6 is demonstrably still
failing and causing GPU hangs as found by Peter Wu. So we need to disable
it again until it is stable.
This reverts
commit 456470eb58
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed Aug 8 23:35:40 2012 +0200
drm/i915: enable rc6 on ilk again
and the follow-on
commit cd7988eea5
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Sun Aug 26 20:33:18 2012 +0200
drm/i915: disable rc6 on ilk when vt-d is enabled
Note: The situation around the gen4/5 gpu hangs that cropped up in 3.7
is rather strange. Most useful bisects have lead to
commit 6c085a728c
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Mon Aug 20 11:40:46 2012 +0200
drm/i915: Track unbound pages
or even later commits that affect the gem bo recycling, which all is
way past the point where we re-enabled rc6. But somehow
reverting/disabling those commits doesn't help, but disabling rc6 at
least helps for many hangs on ilk. Obviously it doesn't change
anything at all on gen4, and there are still strange issues left on
gen5 (which we unfortunately can't readily reproduce).
Also, the error_state signature of the hangs which can be fixed with
this patch look remarkably different to those which seem to be
unaffected by the rc6 settings: The rc6 hangs are in the ring,
somewhere in the MI_FLUSH/PIPE_CONTROL sequence to make ilk coherent,
wheras all the other hangs tend to be at a random point in the middle
of the user batch. So it could also be that we have different issues.
Until we grow more clue, this at least helps some users.
Reported-by: Peter Wu <lekensteyn@gmail.com>
References: https://bugs.freedesktop.org/show_bug.cgi?id=55984
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
[danvet: Added note with some more details about the gen4/5 3.7
gpu hang regression.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Only a single commit for fixing the build error without CONFIG_PM
in hda driver.
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Merge tag 'sound-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound build error fix from Takashi Iwai:
"Only a single commit for fixing the build error without CONFIG_PM in
hda driver."
* tag 'sound-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - Fix build without CONFIG_PM
I forgot this again... codec->in_pm is in #ifdef CONFIG_PM
Reported-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Pull x86 arch fixes from Peter Anvin:
"Here is a collection of fixes for 3.7-rc7. This is a superset of
tglx' earlier pull request."
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86-64: Fix ordering of CFI directives and recent ASM_CLAC additions
x86, microcode, AMD: Add support for family 16h processors
x86-32: Export kernel_stack_pointer() for modules
x86-32: Fix invalid stack address while in softirq
x86, efi: Fix processor-specific memcpy() build error
x86: remove dummy long from EFI stub
x86, mm: Correct vmflag test for checking VM_HUGETLB
x86, amd: Disable way access filter on Piledriver CPUs
x86/mce: Do not change worker's running cpu in cmci_rediscover().
x86/ce4100: Fix PCI configuration register access for devices without interrupts
x86/ce4100: Fix reboot by forcing the reboot method to be KBD
x86/ce4100: Fix pm_poweroff
MAINTAINERS: Update email address for Robert Richter
x86, microcode_amd: Change email addresses, MAINTAINERS entry
MAINTAINERS: Change Boris' email address
EDAC: Change Boris' email address
x86, AMD: Change Boris' email address
NAND chip detection, introduced by some rework which went into 3.7. The
initial fix wasn't quite complete, so it's in two parts. In fact the
first part is committed twice (Artem committed his own copy of the same
patch) and I've merged Artem's tree into mine which already had that fix.
I'd have recommitted that to make it somewhat cleaner, but figured by
this point in the release cycle it was better to merge *exactly* the
commits which have been in linux-next.
If I'd recommitted, I'd also omit the sparse warning fix. But it's there,
and it's harmless — just marking one function as 'static' in onenand code.
This also includes a couple more fixes for stable: an AB-BA deadlock in
JFFS2, and an invalid range check in slram.
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Merge tag 'for-linus-20121123' of git://git.infradead.org/mtd-2.6
Pull MTD fixes from David Woodhouse:
"The most important part of this is that it fixes a regression in
Samsung NAND chip detection, introduced by some rework which went into
3.7. The initial fix wasn't quite complete, so it's in two parts. In
fact the first part is committed twice (Artem committed his own copy
of the same patch) and I've merged Artem's tree into mine which
already had that fix.
I'd have recommitted that to make it somewhat cleaner, but figured by
this point in the release cycle it was better to merge *exactly* the
commits which have been in linux-next.
If I'd recommitted, I'd also omit the sparse warning fix. But it's
there, and it's harmless — just marking one function as 'static' in
onenand code.
This also includes a couple more fixes for stable: an AB-BA deadlock
in JFFS2, and an invalid range check in slram."
* tag 'for-linus-20121123' of git://git.infradead.org/mtd-2.6:
mtd: nand: fix Samsung SLC detection regression
mtd: nand: fix Samsung SLC NAND identification regression
jffs2: Fix lock acquisition order bug in jffs2_write_begin
mtd: onenand: Make flexonenand_set_boundary static
mtd: slram: invalid checking of absolute end address
mtd: ofpart: Fix incorrect NULL check in parse_ofoldpart_partitions()
mtd: nand: fix Samsung SLC NAND identification regression
Simple build regression fix for DT device drivers on Sparc. An earlier
change had masked out the of_iomap() helper on SPARC.
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Merge tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux-2.6
Pull device tree regression fix from Grant Likely:
"Simple build regression fix for DT device drivers on Sparc. An
earlier change had masked out the of_iomap() helper on SPARC."
* tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux-2.6:
of/address: sparc: Declare of_iomap as an extern function for sparc again
Fix for an incorrect error condition check in device PM QoS code
that may lead to an Oops from Guennadi Liakhovetski.
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Merge tag 'pm-for-3.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management update from Rafael Wysocki:
"Fix for an incorrect error condition check in device PM QoS code that
may lead to an Oops from Guennadi Liakhovetski."
* tag 'pm-for-3.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / QoS: fix wrong error-checking condition
- raid5 discard has problems
- raid10 replacement devices have problems
- bad block lock seqlock usage has problems
- dm-raid doesn't free everything
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Merge tag 'md-3.7-fixes' of git://neil.brown.name/md
Pull md fixes from NeilBrown:
"Several bug fixes for md in 3.7:
- raid5 discard has problems
- raid10 replacement devices have problems
- bad block lock seqlock usage has problems
- dm-raid doesn't free everything"
* tag 'md-3.7-fixes' of git://neil.brown.name/md:
md/raid10: decrement correct pending counter when writing to replacement.
md/raid10: close race that lose writes lost when replacement completes.
md/raid5: Make sure we clear R5_Discard when discard is finished.
md/raid5: move resolving of reconstruct_state earlier in stripe_handle.
md/raid5: round discard alignment up to power of 2.
md: make sure everything is freed when dm-raid stops an array.
md: Avoid write invalid address if read_seqretry returned true.
md: Reassigned the parameters if read_seqretry returned true in func md_is_badblock.
Pull block layer fixes from Jens Axboe:
"Distilled down version of bug fixes for 3.7. The patches have been
well tested. If you notice that commit dates are from today, it's
because I pulled less important bits out and shuffled them into the
3.8 mix. Apart from that, no changes, base still the same.
It contains:
- Fix for aoe, don't run request_fn while it's plugged.
- Fix for a regression in floppy since 3.6, which causes problems if
no floppy is found.
- Stable fix for blk_exec(), don't touch a request after it has been
sent to the scheduler (and the device as well).
- Five fixes for various nasties in mtip32xx."
* 'for-linus' of git://git.kernel.dk/linux-block:
block: Don't access request after it might be freed
mtip32xx: Fix padding issue
aoe: avoid running request handler on plugged queue
mtip32xx: fix potential NULL pointer dereference in mtip_timeout_function()
mtip32xx: fix shift larger than type warning
mtip32xx: Fix incorrect mask used for erase mode
mtip32xx: Fix to make lba address correct in big-endian systems
mtip32xx: fix potential crash on SEC_ERASE_UNIT
dm: fix deadlock with request based dm and queue request_fn recursion
floppy: destroy floppy workqueue before cleaning up the queue
This bug-fix makes sure that of_iomap is defined extern for sparc so that the
sparc-specific implementation of_iomap is once again used when including
include/linux/of_address.h in a sparc context. OF_GPIO that is now available for
sparc relies on this.
The bug was inadvertently introduced in a850a75, "of/address: add empty static
inlines for !CONFIG_OF", that added a static dummy inline for of_iomap when
!CONFIG_OF_ADDRESS. However, CONFIG_OF_ADDRESS is never defined for sparc, but
there is a sparc-specific implementation /arch/sparc/kernel/of_device_common.c.
This fix takes the same approach as 0bce04b that solved the equivalent problem
for of_address_to_resource.
Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Acked-by: David Miller <davem@davemloft.net>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Merge tag 'omapdss-for-3.7-rc' of git://gitorious.org/linux-omap-dss2/linux
Pull omapdss fixes from Tomi Valkeinen:
"Here are a few OMAPDSS fixes for the next -rc. I'm sending these
directly to you, and quite late, as the fbdev tree maintainer
(Florian) has been busy with his work and hasn't had time to manage
the fb patches."
* tag 'omapdss-for-3.7-rc' of git://gitorious.org/linux-omap-dss2/linux:
OMAPDSS: do not fail if dpll4_m4_ck is missing
OMAPFB: Fix possible null pointer dereferencing
OMAPDSS: HDMI: fix missing unlock on error in hdmi_dump_regs()
omapdss: dss: Fix clocks on OMAP363x
OMAPDSS: DSI: fix dsi_get_dsidev_from_id()
Pull i2c fixes from Wolfram Sang:
"Bugfixes for the i2c subsystem.
Except for a few one-liners, there is mainly one revert because of an
overlooked dependency. Since there is no linux-next at the moment, I
did some extra testing, and all was fine for me."
* 'i2c-embedded/for-current' of git://git.pengutronix.de/git/wsa/linux:
i2c: mxs: Handle i2c DMA failure properly
i2c: s3c2410: Fix code to free gpios
i2c: omap: ensure writes to dev->buf_len are ordered
Revert "ARM: OMAP: convert I2C driver to PM QoS for MPU latency constraints"
i2c: at91: fix SMBus quick command
The highlight of this update is the fixes for ASoC kirkwood by Russell.
In addition to that, a couple of regression fixes for HD-audio due to
the runtime PM support on 3.7, and other driver-specific regression
fixes like USB MIDI on non-standard USB audio drivers.
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Merge tag 'sound-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"The highlight of this update is the fixes for ASoC kirkwood by
Russell. In addition to that, a couple of regression fixes for
HD-audio due to the runtime PM support on 3.7, and other driver-
specific regression fixes like USB MIDI on non-standard USB audio
drivers."
* tag 'sound-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: snd-usb: properly initialize the sync endpoint
ALSA: hda - Cirrus: Correctly clear line_out_pins when moving to speaker
ALSA: hda - Add support for Realtek ALC292
ASoC: kirkwood-i2s: more pause-mode fixes
ASoC: kirkwood-i2s: fix DMA underruns
ASoC: kirkwood-i2s: fix DCO lock detection
ASoC: kirkwood-dma: don't ignore other irq causes on error
ASoC: kirkwood-dma: fix use of virt_to_phys()
ALSA: hda - Limit runtime PM support only to known Intel chips
ALSA: hda - Fix recursive suspend/resume call
ALSA: ua101, usx2y: fix broken MIDI output
ASoC: arizona: Fix typo - Swap value in 48k_rates[] and 44k1_rates[]
ASoC: bells: Fix up git patch application failure
ASoC: cs4271: free allocated GPIO
Pull networkign fixes from David Miller:
"Networking bug fixes, Cacio e Pepe edition:
1) BNX2X accidently accesses chip rev specific registers without an
appropriate guard, fix from Ariel Elior.
2) When we removed the routing cache, we set ip_rt_max_size to ~0 just
to keep reporting a value to userspace via sysfs. But the ipv4
IPSEC layer was using this to tune itself which is completely bogus
to now do. Fix from Steffen Klassert.
3) Missing initialization in netfilter ipset code from Jozsef
Kadlecsik.
4) Check CTA_TIMEOUT_NAME length properly in netfilter cttimeout code,
fix from Florian Westphal.
5) After removing the routing cache, we inadvertantly are caching
multicast routes that end up looping back locally, we cannot do
that legitimately any more. Fix from Julian Anastasov.
6) Revert a race fix for 8139cp qemu/kvm that doesn't actually work
properly on real hardware. From Francois Romieu.
7) Fixup errors in example command lines in VXLAN device docs."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
bnx2x: remove redundant warning log
vxlan: fix command usage in its doc
8139cp: revert "set ring address before enabling receiver"
ipv4: do not cache looped multicasts
netfilter: cttimeout: fix buffer overflow
netfilter: ipset: Fix range bug in hash:ip,port,net
xfrm: Fix the gc threshold value for ipv4
Pull sparc fix from David Miller:
"Bug fix from Al Viro"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc64: not any error from do_sigaltstack() should fail rt_sigreturn()
I missed one pull request from Samsung with one fix in the previous
batch. Here it is -- a dma driver fix for an early version of silicon
that they still support.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull one more ARM SoC fix from Olof Johansson:
"I missed one pull request from Samsung with one fix in the previous
batch. Here it is -- a dma driver fix for an early version of silicon
that they still support."
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: EXYNOS: PL330 MDMA1 fix for revision 0 of Exynos4210 SOC
Ben Skeggs