| Commit message (Collapse) | Author | Age | Files | Lines |
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The put_device(dev) at the bottom of the loop of device_shutdown
may result in the dev being cleaned up. In device_create_release,
the dev is kfreed.
However, device_shutdown attempts to use the dev pointer again after
put_device by referring to dev->parent.
Copy the parent pointer instead to avoid this condition.
This bug was found on Chromium OS's chromeos-3.8, which is based on v3.8.11.
See bug report : https://code.google.com/p/chromium/issues/detail?id=297842
This can easily be reproduced when shutting down with
hidraw devices that report battery condition.
Two examples are the HP Bluetooth Mouse X4000b and the Apple Magic Mouse.
For example, with the magic mouse :
The dev in question is "hidraw0"
dev->parent is "magicmouse"
In the course of the shutdown for this device, the input event cleanup calls
a put on hidraw0, decrementing its reference count.
When we finally get to put_device(dev) in device_shutdown, kobject_cleanup
is called and device_create_release does kfree(dev).
dev->parent is no longer valid, and we may crash in
put_device(dev->parent).
This change should be applied on any kernel with this change :
d1c6c030fcec6f860d9bb6c632a3ebe62e28440b
Cc: stable@vger.kernel.org
Signed-off-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In kobj_ns_current_may_mount the default should be to allow the
mount. The test is only for a single kobj_ns_type at a time, and unless
there is a reason to prevent it the mounting sysfs should be allowed.
Subsystems that are not registered can't have are not involved so can't
have a reason to prevent mounting sysfs.
This is a bug-fix to:
commit 7dc5dbc879bd0779924b5132a48b731a0bc04a1e
Author: Eric W. Biederman <ebiederm@xmission.com>
Date: Mon Mar 25 20:07:01 2013 -0700
sysfs: Restrict mounting sysfs
Don't allow mounting sysfs unless the caller has CAP_SYS_ADMIN rights
over the net namespace. The principle here is if you create or have
capabilities over it you can mount it, otherwise you get to live with
what other people have mounted.
Instead of testing this with a straight forward ns_capable call,
perform this check the long and torturous way with kobject helpers,
this keeps direct knowledge of namespaces out of sysfs, and preserves
the existing sysfs abstractions.
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
That came in via the userns tree during the 3.12 merge window.
Reported-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some HyperV and MEI driver fixes for 3.12-rc3. They resolve
some issues that people have been reporting for them"
* tag 'char-misc-3.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
Drivers: hv: vmbus: Terminate vmbus version negotiation on timeout
Drivers: hv: util: Correctly support ws2008R2 and earlier
mei: cancel stall timers in mei_reset
mei: bus: stop wait for read during cl state transition
mei: make me client counters less error prone
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commit 666b9adc801ef012612c4e43e0f44b2cdc1979cf terminated vmbus
version negotiation incorrectly. We need to terminate the version
negotiation only if the current negotiation were to timeout.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Cc: Olaf Hering <ohering@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The current code does not correctly negotiate the version numbers for the util
driver when hosted on earlier hosts. The version numbers presented by this
driver were not compatible with the version numbers supported by Windows Server
2008. Fix this problem.
I would like to thank Olaf Hering (ohering@suse.com) for identifying the problem.
Reported-by: Olaf Hering <ohering@suse.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Unset init_clients_timer and amthif_stall_timers
in mei_reset in order to cancel timer ticking and hence
avoid recursive reset calls.
Cc: <stable@vger.kernel.org> # 3.9+
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Bus layer omitted check for client state transition while waiting
for read completion
The client state transition may occur for example as result
of firmware initiated reset
Add mei_cl_is_transitioning wrapper to reduce the code
repetition.:
Cc: <stable@vger.kernel.org> # 3.9+
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1. u8 counters are prone to hard to detect overflow:
make them unsigned long to match bit_ functions argument type
2. don't check me_clients_num for negativity, it is unsigned.
3. init all the me client counters from one place
Cc: <stable@vger.kernel.org> # 3.9+
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf revert from Ingo Molnar:
"This fixes the 'perf top' regression Markus Trippelsdorf reported"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Revert "perf symbols: Demangle cloned functions"
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This reverts commit de95ab53645a2f0015e0f68ee723f18dce2b8b51.
Markus Trippelsdorf reported that this commit broke 'perf top':
> I just see a gray screen with no text at all. Sometimes the
> following error messages are printed:
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> *** Error in `perf': invalid fastbin entry (free): 0x00000000029b18c0
> ***
> *** Error in `perf': malloc(): memory corruption (fast): 0x0000000000ee0b10 ***
While this code is fixable, the commit itself fails on several levels:
- it should have been a separate helper function
- why the heck does it do strchr() twice
- it casts a const char * over into char *
- sloppy style
- it's not even a regression fix!
So lets revert it and re-try the patch in v3.13.
Reported-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Pull drm fixes from Dave Airlie:
"Nothing too major, radeon still has some dpm changes for off by
default.
Radeon, intel, msm:
- radeon: a few more dpm fixes (still off by default), uvd fixes
- i915: runtime warn backtrace and regression fix
- msm: iommu changes fallout"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (27 commits)
drm/msm: use drm_gem_dumb_destroy helper
drm/msm: deal with mach/iommu.h removal
drm/msm: Remove iommu include from mdp4_kms.c
drm/msm: Odd PTR_ERR usage
drm/i915: Fix up usage of SHRINK_STOP
drm/radeon: fix hdmi audio on DCE3.0/3.1 asics
drm/i915: preserve pipe A quirk in i9xx_set_pipeconf
drm/i915/tv: clear adjusted_mode.flags
drm/i915/dp: increase i2c-over-aux retry interval on AUX DEFER
drm/radeon/cik: fix overflow in vram fetch
drm/radeon: add missing hdmi callbacks for rv6xx
drm/i915: Use a temporary va_list for two-pass string handling
drm/radeon/uvd: lower msg&fb buffer requirements on UVD3
drm/radeon: disable tests/benchmarks if accel is disabled
drm/radeon: don't set default clocks for SI when DPM is disabled
drm/radeon/dpm/ci: filter clocks based on voltage/clk dep tables
drm/radeon/dpm/si: filter clocks based on voltage/clk dep tables
drm/radeon/dpm/ni: filter clocks based on voltage/clk dep tables
drm/radeon/dpm/btc: filter clocks based on voltage/clk dep tables
drm/radeon/dpm: fetch the max clk from voltage dep tables helper
...
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git://people.freedesktop.org/~robclark/linux into drm-fixes
A small fix + deal with fallout of iommu changes + use new
drm_gem_dumb_destroy helper.
* 'msm-fixes-3.12-rc2' of git://people.freedesktop.org/~robclark/linux:
drm/msm: use drm_gem_dumb_destroy helper
drm/msm: deal with mach/iommu.h removal
drm/msm: Remove iommu include from mdp4_kms.c
drm/msm: Odd PTR_ERR usage
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Signed-off-by: Rob Clark <robdclark@gmail.com>
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We still need an API exported by msm iommu driver (but not visible in
any public header anymore). For now, just declare the prototype
ourselves, but when msm iommu driver provides a better option, use that
instead.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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The include file has been removed and the file does not
need it anyway, so remove it. Fixes a compile error.
Signed-off-by: Joerg Roedel <joro@8bytes.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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The variable priv->kms is not initialized yet.
Found by "scripts/coccinelle/tests/odd_ptr_err.cocci".
PTR_ERR should access the value just tested by IS_ERR.
Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
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into drm-fixes
More radeon fixes for 3.12. Kind of all over the place: UVD, DPM,
tiling, etc.
* 'drm-fixes-3.12' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: fix hdmi audio on DCE3.0/3.1 asics
drm/radeon/cik: fix overflow in vram fetch
drm/radeon: add missing hdmi callbacks for rv6xx
drm/radeon/uvd: lower msg&fb buffer requirements on UVD3
drm/radeon: disable tests/benchmarks if accel is disabled
drm/radeon: don't set default clocks for SI when DPM is disabled
drm/radeon/dpm/ci: filter clocks based on voltage/clk dep tables
drm/radeon/dpm/si: filter clocks based on voltage/clk dep tables
drm/radeon/dpm/ni: filter clocks based on voltage/clk dep tables
drm/radeon/dpm/btc: filter clocks based on voltage/clk dep tables
drm/radeon/dpm: fetch the max clk from voltage dep tables helper
drm/radeon: fix missed variable sized access
drm/radeon: Make r100_cp_ring_info() and radeon_ring_gfx() safe (v2)
drm/radeon/cik: Add tiling mode index for 1D tiled depth/stencil surfaces
drm/radeon/cik: Fix encoding of number of banks in tiling configuration info
drm/radeon/cik: Fix printing of client name on VM protection fault
drm/radeon: additional gcc fixes for radeon_atombios.c
drm/radeon: avoid UVD corruption on AGP cards using GPU gart
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These asics seem to use a mix of the DCE2.x and
DCE3.2 audio interfaces despite what the register spec
says.
Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=69729
https://bugs.freedesktop.org/show_bug.cgi?id=69671
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Missing ULL when calculating the amount of vram
leads to an overflow when the amount of vram is >= 4G.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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When dpm was merged, I added a new asic struct for
rv6xx, but it never got properly updated when the
hdmi callbacks were added due to the two patch sets
being developed in parallel.
Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=69729
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
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Starting with UVD3 message and feedback buffers have their
own 256MB segment, so no need to force them into VRAM any more.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The tests are only usable if the acceleration engines have
been successfully initialized.
Based on an initial patch from: Alex Ivanov <gnidorah@p0n4ik.tk>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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This is a partial revert of c6cf7777a32da874fabec4fd1c2a579f0ba4e4dd.
We need to take into account the clk voltage dependencies of the
board. Not doing so can lead to stability issues on certain
boards if the clks exceed the levels in the dep tables.
DPM already takes that into account, so for optimal performance,
use DPM.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Filter out mclk and sclk levels higher than listed in the clk
voltage dependency tables. Supporting these clocks will require
additional driver tweaking that isn't supported yet.
See bug:
https://bugs.freedesktop.org/show_bug.cgi?id=68235
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Filter out mclk and sclk levels higher than listed in the clk
voltage dependency tables. Supporting these clocks will require
additional driver tweaking that isn't supported yet.
See bug:
https://bugs.freedesktop.org/show_bug.cgi?id=68235
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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filter out mclk and sclk levels higher than listed in the clk
voltage dependency tables. Supporting these clocks will require
additional driver tweaking that isn't supported yet.
See bug:
https://bugs.freedesktop.org/show_bug.cgi?id=68235
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Filter out mclk and sclk levels higher than listed in the clk
voltage dependency tables. Supporting these clocks will require
additional driver tweaking that isn't supported yet.
See bug:
https://bugs.freedesktop.org/show_bug.cgi?id=68235
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This patch adds a helper function to fetch the max clock
from the voltage clock dependecy tables. Clocks above that
level tend to be unstable and will require additional driver
tweaks in order to work properly.
This patch implemented the helper function to fetch the max clocks
from the dependency tables. The following patches implement the
per-asic clock filtering.
See bug:
https://bugs.freedesktop.org/show_bug.cgi?id=68235
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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I missed this when I fixed up this file.
Noticed-by: Mathias Fröhlich <Mathias.Froehlich@gmx.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Prevent NULL pointer dereference in case when radeon_ring_fini() did it's job.
Reading of r100_cp_ring_info and radeon_ring_gfx debugfs entries will lead to a KP if ring buffer was deallocated, e.g. on failed ring test.
Seen on PA-RISC machine having "radeon: ring test failed (scratch(0x8504)=0xCAFEDEAD)" issue.
v2: agd5f: add some parens around ring->ready check
Signed-off-by: Alex Ivanov <gnidorah@p0n4ik.tk>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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CIK uses a different index for 1D DST surfaces compared to SI. Expose
the new index so libdrm_radeon can use it properly for userspace
drivers.
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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There are multiple valid values, not just 0 or 1. Required
to properly support 2D tiling in the userspace drivers.
Cc: stable@vger.kernel.org
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The string is encoded from the MSB to the LSB of the register.
Cc: stable@vger.kernel.org
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Newer versions of gcc seem to wander off into the weeds
when dealing with variable sizes arrays in structs.
Rather than indexing the arrays, use pointer arithmetic.
Fix up spread spectrum tables.
See bugs:
https://bugs.freedesktop.org/show_bug.cgi?id=66932
https://bugs.freedesktop.org/show_bug.cgi?id=66972
https://bugs.freedesktop.org/show_bug.cgi?id=66945
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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If the user has forced the driver to use the internal GPU gart
rather than AGP on an AGP card, force the buffers to vram
as well.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
Cc: stable@vger.kernel.org
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git://people.freedesktop.org/~danvet/drm-intel into drm-fixes
Just a few fixes for regressions and other serious stuff.
Two fix state tracking mismatches, together with an additional patch that
I've submitted to stable (somehow forgotten to tag it) we should have them
fixed now (I hope).
* tag 'drm-intel-fixes-2013-09-26' of git://people.freedesktop.org/~danvet/drm-intel:
drm/i915: Fix up usage of SHRINK_STOP
drm/i915: preserve pipe A quirk in i9xx_set_pipeconf
drm/i915/tv: clear adjusted_mode.flags
drm/i915/dp: increase i2c-over-aux retry interval on AUX DEFER
drm/i915: Use a temporary va_list for two-pass string handling
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In
commit 81e49f811404f428a9d9a63295a0c267e802fa12
Author: Glauber Costa <glommer@openvz.org>
Date: Wed Aug 28 10:18:13 2013 +1000
i915: bail out earlier when shrinker cannot acquire mutex
SHRINK_STOP was added to tell the core shrinker code to bail out and
go to the next shrinker since the i915 shrinker couldn't acquire
required locks. But the SHRINK_STOP return code was added to the
->count_objects callback and not the ->scan_objects callback as it
should have been, resulting in tons of dmesg noise like
shrink_slab: i915_gem_inactive_scan+0x0/0x9c negative objects to delete nr=-xxxxxxxxx
Fix discusssed with Dave Chinner.
References: http://www.spinics.net/lists/intel-gfx/msg33597.html
Reported-by: Knut Petersen <Knut_Petersen@t-online.de>
Cc: Knut Petersen <Knut_Petersen@t-online.de>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Glauber Costa <glommer@openvz.org>
Cc: Glauber Costa <glommer@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@suse.cz>
Acked-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This regression has been introduced in
commit 9f11a9e4e50006b615ba94722dfc33ced89664cf
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Thu Jun 13 00:54:58 2013 +0200
drm/i915: set up PIPECONF explicitly for i9xx/vlv platforms
Ville brough up the idea that this is just the pipe A quirk gone
wrong.
Note that after resume the bios might or might not have enabled pipe A
already. We have a bit of magic to make sure that on resume we set up
a decent mode for pipe A, but I fear if I just smash pipe A to always
on we'd enable it in a bogus state and hang the hw. Hence the
readback.
v2: Clarify the logic a bit as suggested by Chris. Also amend the
commit message to clarify why we don't unconditionally enable the
pipe.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=66462
References: https://lkml.org/lkml/2013/8/26/238
Cc: Meelis Roos <mroos@ut.ee>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
[danvet: Use |= instead of = as suggested by Chris.]
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The native TV encoder has it's own flags to adjust sync modes and
enabled interlaced modes which are totally irrelevant for the adjusted
mode. This worked out nicely since the input modes used by both the
load detect code and reported in the ->get_modes callbacks all have no
flags set, and we also don't fill out any of them in the ->get_config
callback.
This changed with the additional sanitation done with
commit 2960bc9cceecb5d556ce1c07656a6609e2f7e8b0
Author: Imre Deak <imre.deak@intel.com>
Date: Tue Jul 30 13:36:32 2013 +0300
drm/i915: make user mode sync polarity setting explicit
sinc now the "no flags at all" state wouldn't fit through core code
any more. So fix this up again by explicitly clearing the flags in the
->compute_config callback.
Aside: We have zero checking in place to make sure that the requested
mode is indeed the right input mode we want for the selected TV mode.
So we'll happily fall over if userspace tries to pull us. But that's
definitely work for a different patch series. So just add a FIXME
comment for now.
Reported-by: Knut Petersen <Knut_Petersen@t-online.de>
Cc: Knut Petersen <Knut_Petersen@t-online.de>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Tested-by: Knut Petersen <Knut_Petersen@t-online.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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There is no clear cut rules or specs for the retry interval, as there
are many factors that affect overall response time. Increase the
interval, and even more so on branch devices which may have limited i2c
bit rates.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reference: https://bugs.freedesktop.org/show_bug.cgi?id=60263
Tested-by: Nicolas Suzor <nic@suzor.com>
Reviewed-by: Todd Previte <tprevite@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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In
commit edc3d8848dc9fe2a470316363dab8ef211d77e01
Author: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Date: Thu May 23 13:55:35 2013 +0300
drm/i915: avoid big kmallocs on reading error state
we introduce a two-pass mechanism for splitting long strings being
formatted into the error-state. The first pass finds the length, and the
second pass emits the right portion of the string into the accumulation
buffer. Unfortunately we use the same va_list for both passes, resulting
in the second pass reading garbage off the end of the argument list. As
the two passes are only used for boundaries between read() calls, the
corruption is only rarely seen.
This fixes the root cause behind
commit baf27f9b17bf2f369f3865e38c41d2163e8d815d
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Sat Jun 29 23:26:50 2013 +0100
drm/i915: Break up the large vsnprintf() in print_error_buffers()
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler, timer and x86 fixes from Ingo Molnar:
- A context tracking ARM build and functional fix
- A handful of ARM clocksource/clockevent driver fixes
- An AMD microcode patch level sysfs reporting fixlet
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
arm: Fix build error with context tracking calls
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource: em_sti: Set cpu_possible_mask to fix SMP broadcast
clocksource: of: Respect device tree node status
clocksource: exynos_mct: Set IRQ affinity when the CPU goes online
arm: clocksource: mvebu: Use the main timer as clock source from DT
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/microcode/AMD: Fix patch level reporting for family 15h
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On AMD family 14h, applying microcode patch on the a core (core0)
would also affect the other core (core1) in the same compute
unit. The driver would skip applying the patch on core1, but it
still need to update kernel structures to reflect the proper
patch level.
The current logic is not updating the struct
ucode_cpu_info.cpu_sig.rev of the skipped core. This causes the
/sys/devices/system/cpu/cpu1/microcode/version to report
incorrect patch level as shown below:
$ grep . cpu?/microcode/version
cpu0/microcode/version:0x600063d
cpu1/microcode/version:0x6000626
cpu2/microcode/version:0x600063d
cpu3/microcode/version:0x6000626
cpu4/microcode/version:0x600063d
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Acked-by: Borislav Petkov <bp@suse.de>
Cc: <bp@alien8.de>
Cc: <jacob.w.shin@gmail.com>
Cc: <herrmann.der.user@googlemail.com>
Link: http://lkml.kernel.org/r/1285806432-1995-1-git-send-email-suravee.suthikulpanit@amd.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Update the STI driver by setting cpu_possible_mask to make EMEV2
SMP work as expected together with the ARM broadcast timer.
This breakage was introduced by:
f7db706 ARM: 7674/1: smp: Avoid dummy clockevent being preferred over real hardware clock-event
Without this fix SMP operation is broken on EMEV2 since no
broadcast timer interrupts trigger on the secondary CPU cores.
Signed-off-by: Magnus Damm <damm@opensource.se>
Tested-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Clocksource devices provided by DT can be disabled (status != "okay").
Instead of registering clocksource drivers for disabled nodes, respect
the device's status by skiping disabled nodes.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Some variants of Exynos MCT, namely exynos4210-mct at the moment, use
normal, shared interrupts for local timers. This means that each
interrupt must have correct affinity set to fire only on CPU
corresponding to given local timer.
However after recent conversion of clocksource drivers to not use the
local timer API for local timer initialization any more, the point of
time when local timers get initialized changed and irq_set_affinity()
fails because the CPU is not marked as online yet.
This patch fixes this by moving the call to irq_set_affinity() to
CPU_ONLINE notification, so the affinity is being set when the CPU goes
online.
This fixes a regression introduced by commit
ee98d27df6 ARM: EXYNOS4: Divorce mct from local timer API
which rendered all Exynos4210 based boards unbootable due to
failing irq_set_affinity() making local timers inoperatible.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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This commit:
573145f08c2b92c45498468afbbba909f6ce6135
clocksource: armada-370-xp: Use CLOCKSOURCE_OF_DECLARE
replaced a call to the driver's timer initialization by a call to
clocksource_of_init(). However, it failed to select CONFIG_CLKSRC_OF.
Fix this by selecting CONFIG_CLKSRC_OF for Armada370/XP machines.
Without this change the kernel is stuck at: 'Calibrating delay loop...'.
Signed-off-by: Jean Pihet <jean.pihet@linaro.org>
Acked-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks into sched/urgent
Pull context tracking ARM fix from Frederic Weisbecker.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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ad65782fba50 (context_tracking: Optimize main APIs off case
with static key) converted context tracking main APIs to inline
function and left ARM asm callers behind.
This can be easily fixed by making ARM calling the post static
keys context tracking function. We just need to replicate the
static key checks there. We'll remove these later when ARM will
support the context tracking static keys.
Reported-by: Guenter Roeck <linux@roeck-us.net>
Reported-by: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Tested-by: Kevin Hilman <khilman@linaro.org>
Cc: Nicolas Pitre <nicolas.pitre@linaro.org>
Cc: Anil Kumar <anilk4.v@gmail.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Kevin Hilman <khilman@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"A couple of tooling fixlets and a PMU detection printout fix"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86: Fix PMU detection printout when no PMU is detected
perf symbols: Demangle cloned functions
perf machine: Fix path unpopulated in machine__create_modules()
perf tools: Explicitly add libdl dependency
perf probe: Fix probing symbols with optimization suffix
perf trace: Add mmap2 handler
perf kmem: Make it work again on non NUMA machines
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