04 Sep, 2012
14 commits
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Modify the SH MTU2 clock event device driver to support runtime PM at
a basic level (i.e. device clocks can be disabled and enabled, but
domain power must be on, because the device has to be marked as
"irq safe").Signed-off-by: Rafael J. Wysocki
Acked-by: Magnus Damm -
Modify the SH CMT clock source/clock event device driver to support
runtime PM at a basic level (i.e. device clocks can be disabled and
enabled, but domain power must be on, because the devices have to
be marked as "irq safe").Signed-off-by: Rafael J. Wysocki
Acked-by: Magnus Damm -
Modify the SH TMU clock source/clock event device driver to support
runtime PM at a basic level (i.e. device clocks can be disabled and
enabled, but domain power must be on, because the devices have to
be marked as "irq safe").Signed-off-by: Rafael J. Wysocki
Acked-by: Magnus Damm -
The genpd_start_dev() routine used by pm_genpd_runtime_resume()
to put "irq safe" devices into the full power state measures the
time necessary to "start" the device and updates its PM QoS timing
data if necessary. This may lead to a deadlock if the given device
is a clock source and genpd_start_dev() is invoked from within the
clock source's .enable() routine, which will happen if that routine
uses pm_runtime_get_sync(), for example, to ensure that the device
is operational.For this reason, introduce a special routine analogous to
genpd_start_dev(), called genpd_start_dev_no_timing(), that doesn't
carry out the time measurement, and make pm_genpd_runtime_resume()
use it instead of genpd_start_dev() to power up "irq safe" devices.Signed-off-by: Rafael J. Wysocki
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The syscore device PM flag is used to mark the devices (belonging to
a PM domain) that should never be turned off, except for the system
core (syscore) suspend/hibernation and resume stages. That flag is
stored in the device's struct pm_subsys_data object whose address is
available from struct device. However, in some situations it may be
convenient to set that flag before the device is added to a PM
domain, so it is better to move it directly to the "power" member of
struct device. Then, it can be checked by the routines in
drivers/base/power/runtime.c and drivers/base/power/main.c, which is
more straightforward.This also reduces the number of dev_gpd_data() invocations in the
generic PM domains framework, so the overhead related to the syscore
flag is slightly smaller.Signed-off-by: Rafael J. Wysocki
Acked-by: Magnus Damm -
The always_on device flag is used to mark the devices (belonging to
a PM domain) that should never be turned off, except for the system
core (syscore) suspend/hibernation and resume stages. Change name
of that flag to "syscore" to better reflect its purpose.Signed-off-by: Rafael J. Wysocki
Acked-by: Magnus Damm -
Runtime PM helper functions, like pm_runtime_get_sync(), cannot be
called by early platform device drivers, because the devices' power
management locks are not initialized at that time. This is quite
inconvenient, so modify early_platform_add_devices() to initialize
the devices power management locks as appropriate and make sure that
they won't be initialized more than once if an early platform
device is going to be used as a regular one later.Signed-off-by: Rafael J. Wysocki
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Make the device power management initialization more straightforward
by moving the initialization of common (i.e. used by both runtime PM
and system suspend) fields to a separate routine.Signed-off-by: Rafael J. Wysocki
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Introduce suspend/resume routines for SH MTU2 clock event devices
such that if those devices belong to a PM domain, the generic PM
domains framework will be notified that the given domain may be
turned off (during system suspend) or that it has to be turned on
(during system resume).Signed-off-by: Rafael J. Wysocki
Acked-by: Magnus Damm -
Introduce suspend/resume routines for SH CMT clock event devices and
modify the suspend/resume routines for SH CMT clock sources such that
if those devices belong to a PM domain, the generic PM domains
framework will be notified that the given domain may be turned off
(during system suspend) or that it has to be turned on (during system
resume).Signed-off-by: Rafael J. Wysocki
Acked-by: Magnus Damm -
Introduce suspend/resume routines for SH TMU clock source and
clock event device such that if those devices belong to a PM domain,
the generic PM domains framework will be notified that the given
domain may be turned off (during system suspend) or that it has to
be turned on (during system resume).This change allows the A4R domain on SH7372 to be turned off during
system suspend (tested on the Mackerel board) if the TMU clock source
and/or clock event device is in use.Signed-off-by: Rafael J. Wysocki
Acked-by: Magnus Damm -
Some clock event devices, for example such that belong to PM domains,
need to be handled in a spcial way during the timekeeping suspend
and resume (which takes place in the system core, or "syscore",
stages of system power transitions) in analogy with clock sources.Introduce .suspend() and .resume() callbacks for clock event devices
that will be executed by timekeeping_suspend/_resume(), respectively,
next the the clock sources' .suspend() and .resume() callbacks.Signed-off-by: Rafael J. Wysocki
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Introduce function pm_genpd_syscore_switch() and two wrappers around
it, pm_genpd_syscore_poweroff() and pm_genpd_syscore_poweron(),
allowing the callers to let the generic PM domains framework know
that the given device is not necessary any more and its PM domain
can be turned off (the former) or that the given device will be
required immediately, so its PM domain has to be turned on (the
latter) during the system core (syscore) stage of system suspend
(or hibernation) and resume.These functions will be used for handling devices registered as
clock sources and clock event devices that belong to PM domains.Signed-off-by: Rafael J. Wysocki
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Introduce function pm_genpd_sync_poweron() for restoring domain power
during resume from system suspend and hibernation. It can be much
simpler than pm_genpd_poweron(), because it doesn't have to care
about locking and it can skip many checks done by the latter.Modify pm_genpd_resume_noirq() and pm_genpd_restore_noirq() to use
the new function.Signed-off-by: Rafael J. Wysocki
02 Sep, 2012
2 commits
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Andreas Bombe reported that the added ktime_t overflow checking added to
timespec_valid in commit 4e8b14526ca7 ("time: Improve sanity checking of
timekeeping inputs") was causing problems with X.org because it caused
timeouts larger then KTIME_T to be invalid.Previously, these large timeouts would be clamped to KTIME_MAX and would
never expire, which is valid.This patch splits the ktime_t overflow checking into a new
timespec_valid_strict function, and converts the timekeeping codes
internal checking to use this more strict function.Reported-and-tested-by: Andreas Bombe
Cc: Zhouping Liu
Cc: Ingo Molnar
Cc: Prarit Bhargava
Cc: Thomas Gleixner
Cc: stable@vger.kernel.org
Signed-off-by: John Stultz
Signed-off-by: Linus Torvalds
01 Sep, 2012
3 commits
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Pull KVM bugfixes from Marcelo Tosatti.
* git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: fix KVM_GET_MSR for PV EOI
kvm: Fix nonsense handling of compat ioctl -
Pull PARISC fixes from James Bottomley:
"This is a set of two bug fixes. One is the ATOMIC problem which is
now causing a compile failure in certain situations. The other is
mishandling of PER_LINUX32 which may also cause user visible effects.Signed-off-by: James Bottomley "
* tag 'parisc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/parisc-2.6:
[PARISC] fix personality flag check in copy_thread()
[PARISC] Redefine ATOMIC_INIT and ATOMIC64_INIT to drop the casts -
Pull s390 fixes from Martin Schwidefsky:
"A couple of s390 bug fixes for 3.5-rc4"* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/32: Don't clobber personality flags on exec
s390/smp: add missing smp_store_status() for !SMP
s390/dasd: fix ioctl return value
s390: Always use "long" for ssize_t to match size_t
31 Aug, 2012
1 commit
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Pull drm fixes from Dave Airlie:
"A bunch of scattered fixes ati/intel/nouveau, couple of core ones,
nothing too shocking or different."* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm: Add EDID_QUIRK_FORCE_REDUCED_BLANKING for ASUS VW222S
gma500: Consider CRTC initially active.
drm/radeon: fix dig encoder selection on DCE61
drm/radeon: fix double free in radeon_gpu_reset
drm/radeon: force dma32 to fix regression rs4xx,rs6xx,rs740
drm/radeon: rework panel mode setup
drm/radeon/atom: powergating fixes for DCE6
drm/radeon/atom: rework DIG modesetting on DCE3+
drm/radeon: don't disable plls that are in use by other crtcs
drm/radeon: add proper checking of RESOLVE_BOX command for r600-r700
drm/radeon: initialize tracked CS state
drm/radeon: fix reading CB_COLORn_MASK from the CS
drm/nvc0/copy: check PUNITS to determine which copy engines are disabled
i915: Quirk no_lvds on Gigabyte GA-D525TUD ITX motherboard
drm/i915: Use the correct size of the GTT for placing the per-process entries
drm: Check for invalid cursor flags
drm: Initialize object type when using DRM_MODE() macro
drm/i915: fix color order for BGR formats on IVB
drm/i915: fix wrong order of parameters in port checking functions
30 Aug, 2012
17 commits
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In native 32 bit mode the personality flags were not correctly inherited.
This is the s390 version of 59e4c3a2 "powerpc/32: Don't clobber personality
flags on exec".Reported-by: Mike Frysinger
Signed-off-by: Heiko Carstens
Signed-off-by: Martin Schwidefsky -
Connecting an ASUS VW222S [1] over VGA a garbled screen is shown with
vertical stripes in the top half.In commit bc42aabc [2]
commit bc42aabc6a01b92b0f961d65671564e0e1cd7592
Author: Adam Jackson
Date: Wed May 23 16:26:54 2012 -0400drm/edid/quirks: ViewSonic VA2026w
Adam Jackson added the quirk `EDID_QUIRK_FORCE_REDUCED_BLANKING` which
is also needed for this ASUS monitor.All log files and output from `xrandr` is included in the referenced
Bugzilla report #17629.Please note that this monitor only has a VGA (D-Sub) connector [1].
[1] http://www.asus.com/Display/LCD_Monitors/VW222S/
[2] http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commit;h=bc42aabc6a01b92b0f961d65671564e0e1cd7592Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=17629
Signed-off-by: Paul Menzel
Cc:
Cc: Adam Jackson
Cc: Ian Pilcher
Cc:
Signed-off-by: Dave Airlie -
Alex writes:
Highlights:
- fix a gart regression on older IGP chips
- more MSAA fixes
- fix a double free in gpu reset code
- modesetting fixes
- trinity dig encoder fix.* 'drm-fixes-3.6' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: fix dig encoder selection on DCE61
drm/radeon: fix double free in radeon_gpu_reset
drm/radeon: force dma32 to fix regression rs4xx,rs6xx,rs740
drm/radeon: rework panel mode setup
drm/radeon/atom: powergating fixes for DCE6
drm/radeon/atom: rework DIG modesetting on DCE3+
drm/radeon: don't disable plls that are in use by other crtcs
drm/radeon: add proper checking of RESOLVE_BOX command for r600-r700
drm/radeon: initialize tracked CS state
drm/radeon: fix reading CB_COLORn_MASK from the CS -
[this one ideally should make 3.6 - it fixes the very annoying mode setting bug]
This causes the pipe to be forced off prior to initial mode set, which
roughly mirrors the behavior of the i915 driver. It fixes initial mode
setting on my Intel DN2800MT (Cedarview) board. Without it, mode
setting triggers an out-of-range error from the monitor for most modes,
but only on initial configuration (i.e. they can be configured
successfully from userspace after that).Signed-off-by: Forest Bond
Signed-off-by: Alan Cox
Cc: stable
Signed-off-by: Dave Airlie -
Was using the DCE41 code which was wrong. Fixes
blank displays on a number of Trinity systems.Signed-off-by: Alex Deucher
Cc: stable@vger.kernel.org -
Pull btrfs fixes from Chris Mason:
"I've split out the big send/receive update from my last pull request
and now have just the fixes in my for-linus branch. The send/recv
branch will wander over to linux-next shortly though.The largest patches in this pull are Josef's patches to fix DIO
locking problems and his patch to fix a crash during balance. They
are both well tested.The rest are smaller fixes that we've had queued. The last rc came
out while I was hacking new and exciting ways to recover from a
misplaced rm -rf on my dev box, so these missed rc3."* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: (25 commits)
Btrfs: fix that repair code is spuriously executed for transid failures
Btrfs: fix ordered extent leak when failing to start a transaction
Btrfs: fix a dio write regression
Btrfs: fix deadlock with freeze and sync V2
Btrfs: revert checksum error statistic which can cause a BUG()
Btrfs: remove superblock writing after fatal error
Btrfs: allow delayed refs to be merged
Btrfs: fix enospc problems when deleting a subvol
Btrfs: fix wrong mtime and ctime when creating snapshots
Btrfs: fix race in run_clustered_refs
Btrfs: don't run __tree_mod_log_free_eb on leaves
Btrfs: increase the size of the free space cache
Btrfs: barrier before waitqueue_active
Btrfs: fix deadlock in wait_for_more_refs
btrfs: fix second lock in btrfs_delete_delayed_items()
Btrfs: don't allocate a seperate csums array for direct reads
Btrfs: do not strdup non existent strings
Btrfs: do not use missing devices when showing devname
Btrfs: fix that error value is changed by mistake
Btrfs: lock extents as we map them in DIO
... -
Pull watchdog fixes from Wim Van Sebroeck:
"This will fix a warning for watchdog-test.c and it will remove a
duplicate include of delay.h"* git://www.linux-watchdog.org/linux-watchdog:
watchdog: da9052: Remove duplicate inclusion of delay.h
watchdog: fix watchdog-test.c build warning -
cache_grow() can reenable irqs so the cpu (and node) can change, so ensure
that we take list_lock on the correct nodelist.This fixes an issue with commit 072bb0aa5e06 ("mm: sl[au]b: add
knowledge of PFMEMALLOC reserve pages") where list_lock for the wrong
node was taken after growing the cache.Reported-and-tested-by: Haggai Eran
Signed-off-by: David Rientjes
Signed-off-by: Linus Torvalds -
radeon_ring_restore is freeing the memory for the saved
ring data. We need to remember that, otherwise we try to
restore the ring data again on the next try. Additional
to that it shouldn't try the reset infinitely if we have
saved ring data.Signed-off-by: Christian König
Reviewed-by: Alex Deucher -
It seems some of those IGP dislike non dma32 page despite what
documentation says. Fix regression since we allowed non dma32
pages. It seems it only affect some revision of those IGP chips
as we don't know which one just force dma32 for all of them.https://bugzilla.redhat.com/show_bug.cgi?id=785375
Signed-off-by: Jerome Glisse
Cc:
Signed-off-by: Alex Deucher -
Adjust the panel mode setup to match the behavior
of the vbios. Rather than checking for specific
bridge chip ids, just check the eDP configuration register.
This saves extra aux transactions and works across
DP bridge chips without requiring additional per chip
id checking.Signed-off-by: Alex Deucher
-
Power gating is per crtc pair, but the powergating registers
should be called individually. The hw handles power up/down
properly. The pair is powered up if either crtc in the pair
is powered up and the pair is not powered down until both
crtcs in the pair are powered down. This simplifies
programming and should save additional power as the previous
code never actually power gated the crtc pair.Signed-off-by: Alex Deucher
Cc: stable@vger.kernel.org -
The ordering is important and the current drm code
wasn't cutting it for modern DIG encoders. We need
to have information about crtc before setting up
the encoders so I've shifted the ordering a bit.
Probably we'll need a full rework akin to danvet's
recent intel patchs. This patch fixes numerous
issues with DP bridge chips and makes link training
much more reliable.Signed-off-by: Alex Deucher
Cc: stable@vger.kernel.org -
Some plls are shared for DP.
Signed-off-by: Alex Deucher
Cc: stable@vger.kernel.org
Reviewed-by: Michel Dänzer -
Checking of the second colorbuffer was skipped on r700, because
CB_TARGET_MASK was 0xf. With r600, CB_TARGET_MASK is changed to 0xff,
so we must set the number of samples of the second colorbuffer to 1 in order
to pass the CS checker.
The DRM version is bumped, because RESOLVE_BOX is always rejected without this
fix on r600.Signed-off-by: Marek Olšák
Reviewed-by: Jerome Glisse
Signed-off-by: Alex Deucher -
This should help catch uninitialized registers and reject commands
because of that.Signed-off-by: Marek Olšák
Signed-off-by: Alex Deucher -
Signed-off-by: Marek Olšák
Signed-off-by: Alex Deucher
29 Aug, 2012
3 commits
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delay.h header file was included twice.
Signed-off-by: Sachin Kamat
Signed-off-by: Wim Van Sebroeck -
Fix compiler warning by making the function static:
Documentation/watchdog/src/watchdog-test.c:34:6: warning: no previous prototype for 'term'
Signed-off-by: Randy Dunlap
Signed-off-by: Wim Van Sebroeck -
Daniel writes:
"Just a few smaller things:
- Fix up a pipe vs. plane confusion from a refactoring, fixes a regression
from 3.1 (Anhua Xu).
- Fix ivb sprite pixel formats (Vijay).
- Fixup ppgtt pde placement for machines where the Bios artifically limits
the availbale gtt space in the name of ... product differentiation
(Chris). This fixes an oops.
- Yet another no_lvds quirk entry."* 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel:
i915: Quirk no_lvds on Gigabyte GA-D525TUD ITX motherboard
drm/i915: Use the correct size of the GTT for placing the per-process entries
drm/i915: fix color order for BGR formats on IVB
drm/i915: fix wrong order of parameters in port checking functions
