ACPICA commit 534deab97fb416a13bfede15c538e2c9eac9384a
Updated one of the memory subtable flags to clarify.
Link: 534deab9
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 6b2701f619040e803313363f516b200e362a9100
Make these mutex objects independent of the deadlock detection mechanism.
This mechanism caused failures with the multithread debugger.
This patch doesn't affect Linux kernel as debugger is currently not fully
functioning in the Linux kernel. And the further debugger cleanups will
take care of handling debugger command signalling correctly instead of
using such kind of mutexes. So it is safe to leave this patch as it is.
Link: 6b2701f6
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit ac1564c26d239348ef13455f61d5616f3961ff43
Used by the ACPICA applications.
This patch is a bit broken due to non-portable <errno.h> inclusion as on
some platforms, there is no such a header file for their lib-c exports.
Fortunately, Linux doesn't compile utfileio.c for either the kernel
space ACPICA core (drivers/acpi/acpica) or the userspace ACPICA tools
(tools/power/acpi) for now, so it's safe to leave this patch as it is.
Link: ac1564c2
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit fbe67c46830f10c839941f8512cac5bddcb86bd3
Index (XXXX, 2) is now supported by XXXX [2]
This patch doesn't affect Linux kernel.
Link: fbe67c46
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit eea1f0e561893b6d6417913b2d224082fe3a0a5e
Remove use of ACPI_DEBUGGER and ACPI_DISASSEMBLER where these
defines are used around entire modules.
Note: This type of code also causes problems with IDEs.
Link: eea1f0e5
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The Broadcom Northstar Plus SoC is architected under the iProc
architecture. It has the following PLLs: ARMPLL, GENPLL, LCPLL0, all
derived from an onboard crystal.
Signed-off-by: Jon Mason <jonmason@broadcom.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Some iProc SoC clocks use a different way to control clock power, via
the PWRDWN bit in the PLL control register. Since the PLL control
register is used to access the PWRDWN bit, there is no need for the
pwr_base when this is being used. A new flag, IPROC_CLK_EMBED_PWRCTRL,
has been added to identify this usage. We can use the AON interface to
write the values to enable/disable PWRDOWN.
Signed-off-by: Jon Mason <jonmason@broadcom.com>
[sboyd@codeaurora.org: Remove useless parentheses]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
The macros that are being used to initialize the values of the clk
structures should be all caps. Find and replace all of them with their
relevant counterparts.
Signed-off-by: Jon Mason <jonmason@broadcom.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
When CONFIG_CYGNUS is set but CONFIG_COMMON_CLK_IPROC is disabled, the
following link failures are caused:
drivers/built-in.o: In function `cygnus_armpll_init':
:(.init.text+0x1d290): undefined reference to `iproc_armpll_setup'
drivers/built-in.o: In function `cygnus_genpll_clk_init':
:(.init.text+0x1d2c4): undefined reference to `iproc_pll_clk_setup'
drivers/built-in.o: In function `cygnus_lcpll0_clk_init':
:(.init.text+0x1d304): undefined reference to `iproc_pll_clk_setup'
drivers/built-in.o: In function `cygnus_mipipll_clk_init':
:(.init.text+0x1d344): undefined reference to `iproc_pll_clk_setup'
drivers/built-in.o: In function `cygnus_asiu_init':
:(.init.text+0x1d370): undefined reference to `iproc_asiu_setup'
It is fixed it by always selecting COMMON_CLK_IPROC from
ARCH_BCM_IPROC, and making COMMON_CLK_IPROC a silent option (thus
preventing it from being erroneously disabled by a user).
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jon Mason <jonmason@broadcom.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
AM437x-based boards, can use omap4_local_timer_init()
just fine. Let's use that instead.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
- Support for the Audio PLL and child clocks
- Support for the A33 AHB gates
- New clk-multiplier generic driver
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Merge tag 'sunxi-clocks-for-4.4' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into clk-next
Pull Allwinner clock additions for 4.4 from Maxime Ripard:
- Support for the Audio PLL and child clocks
- Support for the A33 AHB gates
- New clk-multiplier generic driver
* tag 'sunxi-clocks-for-4.4' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
clk: sunxi: mod1 clock support
clk: sunxi: codec clock support
clk: sunxi: pll2: Add A13 support
clk: sunxi: Add a driver for the PLL2
clk: Add a basic multiplier clock
clk: sunxi: Add A33 gates support
It belongs to the endo layer and should be placed in endo.c instead. Do
it.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
The module will be released by gb_module_release() once all references
for the module are dropped. And so there is no need to free it in the
error path specially.
Reviewed-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
The interface will be released by gb_interface_release() once all
references for the interface are dropped. And so there is no need to
free it in the error path specially.
Reviewed-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
The bundle will be released by gb_bundle_release() once all references
for the bundle are dropped. And so there is no need to free it in the
error path specially.
Reviewed-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
for_each_compatible_node performs an of_node_get on each iteration, so a
break out of the loop requires an of_node_put.
The semantic patch that fixes this problem is as follows
(http://coccinelle.lip6.fr):
// <smpl>
@@
local idexpression n;
expression e;
@@
for_each_compatible_node(n,...) {
...
(
of_node_put(n);
|
e = n
|
+ of_node_put(n);
? break;
)
...
}
... when != n
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
for_each_compatible_node performs an of_node_get on each iteration, so a
break out of the loop requires an of_node_put.
The semantic patch that fixes this problem is as follows
(http://coccinelle.lip6.fr):
// <smpl>
@@
local idexpression n;
expression e;
@@
for_each_compatible_node(n,...) {
...
(
of_node_put(n);
|
e = n
|
+ of_node_put(n);
? break;
)
...
}
... when != n
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
for_each_child_of_node performs an of_node_get on each iteration, so
a break out of the loop requires an of_node_put.
A simplified version of the semantic patch that fixes this problem is as
follows (http://coccinelle.lip6.fr):
// <smpl>
@@
expression root,e;
local idexpression child;
@@
for_each_child_of_node(root, child) {
... when != of_node_put(child)
when != e = child
(
return child;
|
+ of_node_put(child);
? return ...;
)
...
}
// </smpl>
The resulting puts were manually moved to the end of the function for
conciseness.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
for_each_matching_node_and_match performs an of_node_get on each iteration,
so a break out of the loop requires an of_node_put.
A simplified version of the semantic patch that fixes this problem is as
follows (http://coccinelle.lip6.fr):
// <smpl>
@@
expression e1,e2,e;
local idexpression np;
@@
for_each_matching_node_and_match(np, e1, e2) {
... when != of_node_put(np)
when != e = np
(
return np;
|
+ of_node_put(np);
? return ...;
)
...
}
// </smpl>
Besides the problem identified by the semantic patch, this patch adds an
of_node_get in front of saving np in a field of parent, to account for the
fact that this value will be put on going on to the next element in the
iteration, and then adds of_node_puts in the two loops where the parent
pointer can be freed.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Just one fix from Ilia to resolve various issues that have resulted from
buffer eviction.
* 'linux-4.3' of git://anongit.freedesktop.org/nouveau/linux-2.6:
drm/nouveau/gem: return only valid domain when there's only one
During endo registration, a unique device id was allocated but then
never used. Instead the default dev_id 0 (due to kzalloc) was used for
device-generation and later for id-deallocation.
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Fix use-after-free in endo-registration error path by moving the
id-release to the device release function.
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
On nv50+, we restrict the valid domains to just the one where the buffer
was originally created. However after the buffer is evicted to system
memory, we might move it back to a different domain that was not
originally valid. When sharing the buffer and retrieving its GEM_INFO
data, we still want the domain that will be valid for this buffer in a
pushbuf, not the one where it currently happens to be.
This resolves fdo#92504 and several others. These are due to suspend
evicting all buffers, making it more likely that they temporarily end up
in the wrong place.
Cc: stable@vger.kernel.org
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=92504
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
LS2080A is the first implementation of the chassis 3 clockgen, which
has a different register layout than previous chips. It is also little
endian, unlike previous chips.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
The device tree should describe the chips (or chip-like subblocks) in
the system, but it generally does not describe individual registers --
it should identify, rather than describe, a programming interface.
This has not been the case with the QorIQ clockgen nodes. The
knowledge of what each bit setting of CLKCnCSR means is encoded in
three places (binding, pll node, and mux node), and the last also needs
to know which options are valid on a particular chip. All three of
these locations are considered stable ABI, making it difficult to fix
mistakes (of which I have found several), much less refactor the
abstraction to be able to address problems, limitations, or new chips.
Under the current binding, a pll clock specifier of 2 means that the
PLL is divided by 4 -- and the driver implements this, unless there
happen to be four clock-output-names rather than 3, in which case it
interprets it as PLL divided by 3. This does not appear in the binding
documentation at all. That hack is now considered stable ABI.
The current device tree nodes contain errors, such as saying that
T1040 can set a core clock to PLL/4 when only PLL and PLL/2 are options.
The current binding also ignores some restrictions on clock selection,
such as p5020's requirement that if a core uses the "wrong" PLL, that
PLL must be clocked lower than the "correct" PLL and be at most 80% of
the rated CPU frequency.
Possibly because of the lack of the ability to express such nuance in
the binding, some valid options are omitted from the device trees, such
as the ability on p4080 to run cores 0-3 from PLL3 and cores 4-7 from
PLL1 (again, only if they are at most 80% of rated CPU frequency).
This omission, combined with excessive caution in the cpufreq driver
(addressed in a subsequent patch), means that currently on a 1500 MHz
p4080 with typical PLL configuration, cpufreq can lower the frequency
to 1200 MHz on half the CPUs and do nothing on the others. With this
patchset, all CPUs can be lowered to 1200 MHz on a rev2 p4080, and on a
rev3 p4080 half can be lowered to 750 MHz and the other half to 600
MHz.
The current binding only deals with CPU clocks. To describe FMan in
the device tree, we need to describe its clock. Some chips have
additional muxes that work like the CPU muxes, but are not described in
the device tree. Others require inspecting the Reset Control Word to
determine which PLL is used. Rather than continue to extend this mess,
replace it. Have the driver bind to the chip-specific clockgen
compatible, and keep the detailed description of quirky chip variations
in the driver, where it can be easily fixed, refactored, and extended.
Older device trees will continue to work (including a workaround for
old ls1021a device trees that are missing compatible and reg in the
clockgen node, which even the old binding required). The pll/mux
details in old device trees will be ignored, but "clocks" properties
pointing at the old nodes will still work, and be directed at the
corresponding new clock.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
The correct scope for looking up the objects to generate data packages for
data-only subnodes pointed to by another data-only subnode is the scope
of the parent of that subnode and not the scope containing the _DSD object
at the top of the hierarchy (the latter works only if all of the objects
returning data-only subnode packages in a given hierarchy are in the same
scope).
Fix the code to work as expected.
Fixes: 445b0eb058 (ACPI / property: Add support for data-only subnodes)
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Tested-by: Mika Westerberg <mika.westerberg@linux.intel.com>
In Linux 4.3-rc5, there is an error case in drm_dp_get_branch_device
that returns without releasing mgr->lock, resulting a spew of kernel
messages about a kernel work function possibly having leaked a mutex
and presumably more serious adverse consequences later. This patch
changes the error to "goto out" to unlock the mutex before returning.
[airlied: grabbed from drm-next as it fixes something we've seen]
Signed-off-by: Adam J. Richter <adam_richter2004@yahoo.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Now that the iommu core support for iommu groups is not
pci-centric anymore, we can move default domain allocation
to the bus independent iommu_group_get_for_dev() function.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
All callers of iommu_group_get_for_dev() provide a
device_group call-back now, so this fall-back is no longer
needed.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This converts the ARM SMMU and the SMMUv3 driver to use the
new device_group call-back.
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Convert the fsl pamu driver to make use of the new
device_group call-back.
Cc: Varun Sethi <Varun.Sethi@freescale.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Rename that function to pci_device_group() and export it, so
that IOMMU drivers can use it as their device_group
call-back.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
That call-back is currently unused, change it into a
call-back function for finding the right IOMMU group for a
device.
This is a first step to remove the hard-coded PCI dependency
in the iommu-group code.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
v2: Don't forget to actually check the cstate->active value when
tallying up the number of active CRTC's. (Ander)
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Smoke-tested-by: Paulo Zanoni <przanoni@gmail.com>
Link: http://patchwork.freedesktop.org/patch/59561/
We already ensure that pstate->visible = false when crtc->active = false
during runtime programming; make sure we follow the same logic when
reading out initial hardware state.
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Smoke-tested-by: Paulo Zanoni <przanoni@gmail.com>
Link: http://patchwork.freedesktop.org/patch/59564/
Calculate pipe watermarks during atomic calculation phase, based on the
contents of the atomic transaction's state structure. We still program
the watermarks at the same time we did before, but the computation now
happens much earlier.
While this patch isn't too exciting by itself, it paves the way for
future patches. The eventual goal (which will be realized in future
patches in this series) is to calculate multiple sets up watermark
values up front, and then program them at different times (pre- vs
post-vblank) on the platforms that need a two-step watermark update.
While we're at it, s/intel_compute_pipe_wm/ilk_compute_pipe_wm/ since
this function only applies to ILK-style watermarks and we have a
completely different function for SKL-style watermarks.
Note that the original code had a memcmp() in ilk_update_wm() to avoid
calling ilk_program_watermarks() if the watermarks hadn't changed. This
memcmp vanishes here, which means we may do some unnecessary result
generation and merging in cases where watermarks didn't change, but the
lower-level function ilk_write_wm_values already makes sure that we
don't actually try to program the watermark registers again.
v2: Squash a few commits from the original series together; no longer
leave pre-calculated wm's in a separate temporary structure since
it's easier to follow the logic if we just cut over to using the
pre-calculated values directly.
v3:
- Pass intel_crtc instead of drm_crtc to .compute_pipe_wm() entrypoint
and use intel_atomic_get_crtc_state() to avoid need for extra
casting. (Ander)
- Drop unused intel_check_crtc() function prototype. (Ander)
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Smoke-tested-by: Paulo Zanoni <przanoni@gmail.com>
Link: http://patchwork.freedesktop.org/patch/60363/
A future patch will calculate these during the atomic 'check' phase
rather than at WM programming time, so let's store the watermark
values we're planning to use in the CRTC state; the values actually
active on the hardware remains in intel_crtc.
While we're at it, do some minor restructuring to keep ILK and SKL
values in a union.
v2: Don't move cxsr_allowed to state (Maarten)
v3: Only calculate watermarks in state. Still keep active watermarks in
intel_crtc itself. (Ville)
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Smoke-tested-by: Paulo Zanoni <przanoni@gmail.com>
Link: http://patchwork.freedesktop.org/patch/59556/
Split ilk_update_wm() into two parts; one doing the programming
and the other the calculations.
v2: Fix typo in commit message
v3 (by Matt): Heavily rebased for current codebase.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Smoke-tested-by: Paulo Zanoni <przanoni@gmail.com>
Link: http://patchwork.freedesktop.org/patch/60366/
The only platform that still has an update_sprite_wm entrypoint is SKL;
on SKL, intel_update_sprite_watermarks just updates intel_plane->wm and
then performs a regular watermark update. However intel_plane->wm is
only used to update a couple fields in intel_wm_config, and those fields
are never used by the SKL code, so on SKL an update_sprite_wm is
effectively identical to an update_wm call. Since we're already
ensuring that the regular intel_update_wm is called any time we'd try to
call intel_update_sprite_watermarks, the whole call is redundant and can
be dropped.
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Smoke-tested-by: Paulo Zanoni <przanoni@gmail.com>
Link: http://patchwork.freedesktop.org/patch/60372/
Determine whether we need to apply this workaround at atomic check time
and just set a flag that will be used by the main watermark update
routine.
Moving this workaround into the atomic framework reduces
ilk_update_sprite_wm() to just a standard watermark update, so drop it
completely and just ensure that ilk_update_wm() is called whenever a
sprite plane is updated in a way that would affect watermarks.
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Smoke-tested-by: Paulo Zanoni <przanoni@gmail.com>
Link: http://patchwork.freedesktop.org/patch/60367/
The size of struct file_security_struct is 16byte at my setup.
But, the real allocation size for per each file_security_struct
is 64bytes in my setup that kmalloc min size is 64bytes
because ARCH_DMA_MINALIGN is 64.
This allocation is called every times at file allocation(alloc_file()).
So, the total slack memory size(allocated size - request size)
is increased exponentially.
E.g) Min Kmalloc Size : 64bytes, Unit : bytes
Allocated Size | Request Size | Slack Size | Allocation Count
---------------------------------------------------------------
770048 | 192512 | 577536 | 12032
At the result, this change reduce memory usage 42bytes per each
file_security_struct
Signed-off-by: Sangwoo <sangwoo2.park@lge.com>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
[PM: removed extra subject prefix]
Signed-off-by: Paul Moore <pmoore@redhat.com>
Fixes the following sparse warning:
security/selinux/hooks.c:3242:5: warning: symbol 'ioctl_has_perm' was
not declared. Should it be static?
Signed-off-by: Geliang Tang <geliangtang@163.com>
Acked-by: Jeff Vander Stoep <jeffv@google.com>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Paul Moore <pmoore@redhat.com>
sprintf returns the number of characters printed (excluding '\0'), so
we can use that and avoid duplicating the length computation.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Paul Moore <pmoore@redhat.com>
This is much simpler.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Paul Moore <pmoore@redhat.com>
security_context_to_sid() expects a const char* argument, so there's
no point in casting away the const qualifier of value.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Paul Moore <pmoore@redhat.com>
