As per section 5.6.1 of the DSI specification, all DSI transmitters must
support continuous clock behavior on the clock lane, while non-continuous
mode support is only optional. Add a flag that allows devices to indicate
that they support non-continuous clock mode so host drivers can adapt
their behavior accordingly.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
A race condition currently exists on Tegra, where it can happen that a
monitor attached via HDMI isn't detected during the initial FB helper
setup, but the hotplug event happens too early to be processed by the
poll helpers because they haven't been initialized yet. This happens
because on some boards the HDMI driver can control the regulator that
supplies the +5V pin on the HDMI connector. Therefore depending on the
timing between the initialization of the HDMI driver and the rest of
DRM, it's possible that the monitor returns the hotplug signal right
within the window where we would miss it.
Unfortunately, drm_kms_helper_poll_init() will wreak havoc when called
before at least some parts of the FB helpers have been set up.
This commit fixes this by splitting out the minimum of initialization
required to make drm_kms_helper_poll_init() work into a separate
function that can be called early. It is then safe to move all of the
poll helper initialization to an earlier point in time (before the
HDMI output driver has a chance to enable the +5V supply). That way if
the hotplug signal is returned before the initial FB helper setup, the
monitor will be forcefully detected at that point, and if the hotplug
signal is returned after that it will be properly handled by the poll
helpers.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
To implement hotplug detection in a race-free manner, drivers must call
drm_kms_helper_poll_init() before hotplug events can be triggered. Such
events can be triggered right after any of the encoders or connectors
are initialized. At the same time, if the drm_fb_helper_hotplug_event()
helper is used by a driver, then the poll helper requires some parts of
the FB helper to be initialized to prevent a crash.
At the same time, drm_fb_helper_init() requires information that is not
necessarily available at such an early stage (number of CRTCs and
connectors), so it cannot be used yet.
Add a new helper, drm_fb_helper_prepare(), that initializes the bare
minimum needed to allow drm_kms_helper_poll_init() to execute and any
subsequent hotplug events to be processed properly.
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
There's no need for this to be modifiable. Make it const so that it can
be put into the .rodata section.
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Some drivers need to be able to have a perfect race-free fbcon setup.
Current drivers only enable hotplug processing after the call to
drm_fb_helper_initial_config which leaves a tiny but important race.
This race is especially noticable on embedded platforms where the
driver itself enables the voltage for the hdmi output, since only then
will monitors (after a bit of delay, as usual) respond by asserting
the hpd pin.
Most of the infrastructure is already there with the split-out
drm_fb_helper_init. And drm_fb_helper_initial_config already has all
the required locking to handle concurrent hpd events since
commit 53f1904bce
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Thu Mar 20 14:26:35 2014 +0100
drm/fb-helper: improve drm_fb_helper_initial_config locking
The only missing bit is making drm_fb_helper_hotplug_event save
against concurrent calls of drm_fb_helper_initial_config. The only
unprotected bit is the check for fb_helper->fb.
With that drivers can first initialize the fb helper, then enabel
hotplug processing and then set up the initial config all in a
completely race-free manner. Update kerneldoc and convert i915 as a
proof of concept.
Feature requested by Thierry since his tegra driver atm reliably boots
slowly enough to misses the hotplug event for an external hdmi screen,
but also reliably boots to quickly for the hpd pin to be asserted when
the fb helper calls into the hdmi ->detect function.
Cc: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Fix a sparse warning: ttm_bo_reserve()'s last argument is a
pointer to a struct, so use NULL as nullpointer.
Signed-off-by: Martin Kepplinger <martink@posteo.de>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Use module_init instead of late_initcall, as is the norm for modular
drivers.
module_init was used until 6e8de0bd6a
("drm/tilcdc: add encoder slave (v2)") changed it to a late_initcall,
but it does not explain why. Tests show it's working properly with
module_init.
Signed-off-by: Guido Martínez <guido@vanguardiasur.com.ar>
Tested-by: Darren Etheridge <detheridge@ti.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
The TI tilcdc driver is designed with a notion of submodules. Currently,
at unload time, these submodules are iterated and destroyed.
Now that the tilcdc remove order is fixed, this can be handled perfectly
by the kernel using the device infrastructure, since each submodule
is a kernel driver itself, and they are only destroy()'ed at unload
time. Therefore we move the destroy() functionality to each submodule's
remove().
Also, remove some checks in the unloading process since the new code
guarantees the resources are allocated and need a release.
Signed-off-by: Guido Martínez <guido@vanguardiasur.com.ar>
Tested-by: Darren Etheridge <detheridge@ti.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
display_timings_release calls kfree on the display_timings object passed
to it. Calling kfree after it is wrong. SLUB debug showed the following
warning:
=============================================================================
BUG kmalloc-64 (Tainted: G W ): Object already free
-----------------------------------------------------------------------------
Disabling lock debugging due to kernel taint
INFO: Allocated in of_get_display_timings+0x2c/0x214 age=601 cpu=0
pid=884
__slab_alloc.constprop.79+0x2e0/0x33c
kmem_cache_alloc+0xac/0xdc
of_get_display_timings+0x2c/0x214
panel_probe+0x7c/0x314 [tilcdc]
platform_drv_probe+0x18/0x48
[..snip..]
INFO: Freed in panel_destroy+0x18/0x3c [tilcdc] age=0 cpu=0 pid=907
__slab_free+0x34/0x330
panel_destroy+0x18/0x3c [tilcdc]
tilcdc_unload+0xd0/0x118 [tilcdc]
drm_dev_unregister+0x24/0x98
[..snip..]
Signed-off-by: Guido Martínez <guido@vanguardiasur.com.ar>
Tested-by: Darren Etheridge <detheridge@ti.com>
Cc: <stable@vger.kernel.org> #v3.9+
Signed-off-by: Dave Airlie <airlied@redhat.com>
Unregister resources in the correct order on tilcdc_drm_fini, which is
the reverse order they were registered during tilcdc_drm_init.
This also means unregistering the driver before releasing its resources.
Signed-off-by: Guido Martínez <guido@vanguardiasur.com.ar>
Tested-by: Darren Etheridge <detheridge@ti.com>
Cc: <stable@vger.kernel.org> #v3.9+
Signed-off-by: Dave Airlie <airlied@redhat.com>
The driver did not unregister the allocated framebuffer, which caused
memory leaks (and memory manager WARNs) when unloading. Also, the
framebuffer device under /dev still existed after unloading.
Add a call to drm_fbdev_cma_fini when unloading the module to prevent
both issues.
Signed-off-by: Guido Martínez <guido@vanguardiasur.com.ar>
Tested-by: Darren Etheridge <detheridge@ti.com>
Cc: <stable@vger.kernel.org> #v3.9+
Signed-off-by: Dave Airlie <airlied@redhat.com>
Add a drm_sysfs_connector_remove call when we destroy the panel to make
sure the connector node in sysfs gets deleted.
This is required for proper unload and re-load of this driver, otherwise
we will get a warning about a duplicate filename in sysfs.
Signed-off-by: Guido Martínez <guido@vanguardiasur.com.ar>
Tested-by: Darren Etheridge <detheridge@ti.com>
Cc: <stable@vger.kernel.org> #v3.9+
Signed-off-by: Dave Airlie <airlied@redhat.com>
Add a drm_sysfs_connector_remove call when we destroy the panel to make
sure the connector node in sysfs gets deleted.
This is required for proper unload and re-load of this driver as a
module. Without this, we would get a warning at re-load time like so:
tda998x 0-0070: found TDA19988
------------[ cut here ]------------
WARNING: CPU: 0 PID: 825 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x54/0x74()
sysfs: cannot create duplicate filename '/class/drm/card0-HDMI-A-1'
Modules linked in: [..]
CPU: 0 PID: 825 Comm: modprobe Not tainted 3.15.0-rc4-00027-g9dcdef4 #82
[<c0013bb8>] (unwind_backtrace) from [<c0011824>] (show_stack+0x10/0x14)
[<c0011824>] (show_stack) from [<c0034e8c>] (warn_slowpath_common+0x68/0x88)
[<c0034e8c>] (warn_slowpath_common) from [<c0034edc>] (warn_slowpath_fmt+0x30/0x40)
[<c0034edc>] (warn_slowpath_fmt) from [<c01243f4>] (sysfs_warn_dup+0x54/0x74)
[<c01243f4>] (sysfs_warn_dup) from [<c0124708>] (sysfs_do_create_link_sd.isra.2+0xb0/0xb8)
[<c0124708>] (sysfs_do_create_link_sd.isra.2) from [<c02ae37c>] (device_add+0x338/0x520)
[<c02ae37c>] (device_add) from [<c02ae6e8>] (device_create_groups_vargs+0xa0/0xc4)
[<c02ae6e8>] (device_create_groups_vargs) from [<c02ae758>] (device_create+0x24/0x2c)
[<c02ae758>] (device_create) from [<c029b4ec>] (drm_sysfs_connector_add+0x64/0x204)
[<c029b4ec>] (drm_sysfs_connector_add) from [<bf0b1b40>] (slave_modeset_init+0x120/0x1bc [tilcdc])
[<bf0b1b40>] (slave_modeset_init [tilcdc]) from [<bf0b2be8>] (tilcdc_load+0x214/0x4c0 [tilcdc])
[<bf0b2be8>] (tilcdc_load [tilcdc]) from [<c029955c>] (drm_dev_register+0xa4/0x104)
[..snip..]
---[ end trace 4df8d614936ebdee ]---
[drm:drm_sysfs_connector_add] *ERROR* failed to register connector device: -17
Signed-off-by: Guido Martínez <guido@vanguardiasur.com.ar>
Tested-by: Darren Etheridge <detheridge@ti.com>
Cc: <stable@vger.kernel.org> #v3.9+
Signed-off-by: Dave Airlie <airlied@redhat.com>
Add a drm_sysfs_connector_remove call when we destroy the panel to make
sure the connector node in sysfs gets deleted.
This is required for proper unload and re-load of this driver as a
module. Without this, we would get a warning at re-load time like so:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 824 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x54/0x74()
sysfs: cannot create duplicate filename '/class/drm/card0-LVDS-1'
Modules linked in: [...]
CPU: 0 PID: 824 Comm: modprobe Not tainted 3.15.0-rc4-00027-g6484f96-dirty #81
[<c0013bb8>] (unwind_backtrace) from [<c0011824>] (show_stack+0x10/0x14)
[<c0011824>] (show_stack) from [<c0034e8c>] (warn_slowpath_common+0x68/0x88)
[<c0034e8c>] (warn_slowpath_common) from [<c0034edc>] (warn_slowpath_fmt+0x30/0x40)
[<c0034edc>] (warn_slowpath_fmt) from [<c01243f4>] (sysfs_warn_dup+0x54/0x74)
[<c01243f4>] (sysfs_warn_dup) from [<c0124708>] (sysfs_do_create_link_sd.isra.2+0xb0/0xb8)
[<c0124708>] (sysfs_do_create_link_sd.isra.2) from [<c02ae37c>] (device_add+0x338/0x520)
[<c02ae37c>] (device_add) from [<c02ae6e8>] (device_create_groups_vargs+0xa0/0xc4)
[<c02ae6e8>] (device_create_groups_vargs) from [<c02ae758>] (device_create+0x24/0x2c)
[<c02ae758>] (device_create) from [<c029b4ec>] (drm_sysfs_connector_add+0x64/0x204)
[<c029b4ec>] (drm_sysfs_connector_add) from [<bf0b1fec>] (panel_modeset_init+0xb8/0x134 [tilcdc])
[<bf0b1fec>] (panel_modeset_init [tilcdc]) from [<bf0b2bf0>] (tilcdc_load+0x214/0x4c0 [tilcdc])
[<bf0b2bf0>] (tilcdc_load [tilcdc]) from [<c029955c>] (drm_dev_register+0xa4/0x104)
[ .. snip .. ]
---[ end trace b2d09cd9578b0497 ]---
[drm:drm_sysfs_connector_add] *ERROR* failed to register connector device: -17
Signed-off-by: Guido Martínez <guido@vanguardiasur.com.ar>
Tested-by: Darren Etheridge <detheridge@ti.com>
Cc: <stable@vger.kernel.org> #v3.9+
Signed-off-by: Dave Airlie <airlied@redhat.com>
The "flags" parameter of the DRM_IOCTL_MODE_ADDFB2 ioctl must be
propagated and used by the driver.
The only possible value of flags is DRM_MODE_FB_INTERLACED.
Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Reviewed-by: Benjamin GAIGNARD <benjamin.gaignard@st.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
bo->mem.placement is not initialized when ttm_bo_man_get_node is called,
so the flag had no effect at all.
v2: change nouveau and vmwgfx as well
Signed-off-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
The VGA arbiter does not allow devices to "own" resources that it
doesn't "decode". However, it does allow devices to "lock" resources
that it doesn't decode. This gets us into trouble because locking
the resource goes through the same bridge routing updates regardless
of whether we decode the resource. This means that when a non-decoded
resource is released, the bridge is left with VGA routing enabled and
locking a different device won't clear it.
This happens in the following scenario:
VGA device 01:00.0 (VGA1) is owned by the radeon driver, which
registers a set_vga_decode function which releases legacy VGA decodes.
VGA device 02:00.0 (VGA2) is any VGA device.
VGA1 user locks VGA resources triggering first_use callback of
set_vga_decoded, clearing "decode" and "owns" of legacy resources
on VGA1.
VGA1 user unlocks VGA resources.
VGA2 user locks VGA resources, which skips VGA1 as conflicting as it
does not "own" legacy resources, although VGA routing is still enabled
for the VGA1 bridge. VGA routing is enabled on VGA2 bridge.
VGA2 may or may not receive VGA transactions depending on the bus
priority of VGA1 vs VGA2 bridge.
To resolve this, we need to allow devices to "own" resources that they
do not "decode". This way we can track bus ownership of VGA. When a
device decodes VGA, it only means that we must update the command bits
in cases where the conflicting device is on the same bus.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Dave Airlie <airlied@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
* 'drm-next' of git://people.freedesktop.org/~dvdhrm/linux:
drm/omap: remove null test before kfree
drm/bochs: replace ALIGN(PAGE_SIZE) by PAGE_ALIGN
drm/ttm: recognize ARM arch in ioprot handler
drm: enable render-nodes by default
drm/ttm: remove declaration of ttm_tt_cache_flush
drm/gem: remove misleading gfp parameter to get_pages()
drm/omap: use __GFP_DMA32 for shmem-backed gem
drm/i915: use shmem helpers if possible
Conflicts:
drivers/gpu/drm/drm_stub.c
misc core patches picked up by Daniel and Jani.
* tag 'topic/core-stuff-2014-06-30' of git://anongit.freedesktop.org/drm-intel:
drm/fb-helper: Remove unnecessary list empty check in drm_fb_helper_debug_enter()
drm/fb-helper: Redundant info->fix.type_aux setting in drm_fb_helper_fill_fix()
drm/debugfs: add an "edid_override" file per connector
drm/debugfs: add a "force" file per connector
drm: add register and unregister functions for connectors
drm: fix uninitialized acquire_ctx fields (v2)
drm: Driver-specific ioctls range from 0x40 to 0x9f
drm: Don't export internal module variables
Fix checkpatch warning:
WARNING: kfree(NULL) is safe this check is probably not required
Cc: David Airlie <airlied@linux.ie>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Nouveau can now be used on ARM, so add an ioprot handler for this
architecture.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
We introduced render-nodes about 1/2 year ago and no problems showed up.
Remove the drm_rnodes argument and enable them by default now.
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
ttm_tt_cache_flush's implementation was removed in 2009 by commit
c9c97b8c, but its declaration has been hiding in ttm_bo_driver.h since
then.
It has been surviving in the dark for too long now ; give it the mercy
blow.
Reviewed-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
drm_gem_get_pages() currently allows passing a 'gfp' parameter that is
passed to shmem combined with mapping_gfp_mask(). Given that the default
mapping_gfp_mask() is GFP_HIGHUSER, it is _very_ unlikely that anyone will
ever make use of that parameter. In fact, all drivers currently pass
redundant flags or 0.
This patch removes the 'gfp' parameter. The only reason to keep it is to
remove flags like __GFP_WAIT. But in its current form, it can only be used
to add flags. So to remove __GFP_WAIT, you'd have to drop it from the
mapping_gfp_mask, which again is stupid as this mask is used by shmem-core
for other allocations, too.
If any driver ever requires that parameter, we can introduce a new helper
that takes the raw 'gfp' parameter. The caller'd be responsible to combine
it with mapping_gfp_mask() in a suitable way. The current
drm_gem_get_pages() helper would then simply use mapping_gfp_mask() and
call the new helper. This is what shmem_read_mapping_pages{_gfp,} does
right now.
Moreover, the gfp-zone flag-usage is not obvious: If you pass a modified
zone, shmem core will WARN() or even BUG(). In other words, the following
must be true for 'gfp' passed to shmem_read_mapping_pages_gfp():
gfp_zone(mapping_gfp_mask(mapping)) == gfp_zone(gfp)
Add a comment to drm_gem_read_pages() explaining that constraint.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
OMAP requires bo-pages to be in the DMA32 zone. Explicitly request this by
setting __GFP_DMA32 as mapping-gfp-mask during shmem initialization. This
drops HIGHMEM from the gfp-mask and uses DMA32 instead. shmem-core takes
care to relocate pages during swap-in in case they have been loaded into
the wrong zone.
It is _not_ possible to pass __GFP_DMA32 to shmem_read_mapping_page_gfp()
as the page might have already been swapped-in at that time. The zone-mask
must be set during initialization and be kept constant for now.
Remove the now superfluous TODO in omap_gem.c.
Reviewed-by: Rob Clark <robdclark@gmail.com>
Tested-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Important bug fix for parsing 64-bit addresses on 32-bit platforms.
Without this patch the kernel will try to use memory ranges that cannot
be reached.
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Merge tag 'dt-for-linus' of git://git.secretlab.ca/git/linux
Pull devicetree bugfix from Grant Likely:
"Important bug fix for parsing 64-bit addresses on 32-bit platforms.
Without this patch the kernel will try to use memory ranges that
cannot be reached"
* tag 'dt-for-linus' of git://git.secretlab.ca/git/linux:
of: Check for phys_addr_t overflows in early_init_dt_add_memory_arch
This is a set of 13 fixes, a MAINTAINERS update and a sparse update. The
fixes are mostly correct value initialisations, avoiding NULL derefs and some
uninitialised pointer avoidance.
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is a set of 13 fixes, a MAINTAINERS update and a sparse update.
The fixes are mostly correct value initialisations, avoiding NULL
derefs and some uninitialised pointer avoidance.
All the patches have been incubated in -next for a few days. The
final patch (use the scsi data buffer length to extract transfer size)
has been rebased to add a cc to stable, but only the commit message
has changed"
* tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
[SCSI] use the scsi data buffer length to extract transfer size
virtio-scsi: fix various bad behavior on aborted requests
virtio-scsi: avoid cancelling uninitialized work items
ibmvscsi: Add memory barriers for send / receive
ibmvscsi: Abort init sequence during error recovery
qla2xxx: Fix sparse warning in qla_target.c.
bnx2fc: Improve stats update mechanism
bnx2fc: do not scan uninitialized lists in case of error.
fc: ensure scan_work isn't active when freeing fc_rport
pm8001: Fix potential null pointer dereference and memory leak.
MAINTAINERS: Update LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI) maintainers Email IDs
be2iscsi: remove potential junk pointer free
be2iscsi: add an missing goto in error path
scsi_error: set DID_TIME_OUT correctly
scsi_error: fix invalid setting of host byte
Pull drm fixes from Dave Airlie:
"i915, tda998x and vmwgfx fixes,
The main one is i915 fix for missing VGA connectors, along with some
fixes for the tda998x from Russell fixing some modesetting problems.
(still on holidays, but got a spare moment to find these)"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/vmwgfx: Fix incorrect write to read-only register v2:
drm/i915: Drop early VLV WA to fix Voltage not getting dropped to Vmin
drm/i915: only apply crt_present check on VLV
drm/i915: Wait for vblank after enabling the primary plane on BDW
drm/i2c: tda998x: add some basic mode validation
drm/i2c: tda998x: faster polling for edid
drm/i2c: tda998x: move drm_i2c_encoder_destroy call
This week's arm-soc fixes:
- A set of of OMAP patches that we had missed Tony's pull request of:
- Reset fix for am43xx
- Proper OPP table for omap5
- Fix for SoC detection of one of the DRA7 SoCs
- hwmod updates to get SATA and OCP to work on omap5 (drivers merged in 3.16)
- ... plus a handful of smaller fixes
- sunxi needed to re-add machine specific restart code that was removed in
anticipation of a watchdog driver being merged for 3.16, and it didn't make
it in.
- Marvell fixes for PCIe on SMP and a big-endian fix.
- A trivial defconfig update to make my capri test board boot with
bcm_defconfig again.
... and a couple of MAINTAINERS updates, one to claim new Keystone
drivers that have been merged, and one to merge MXS and i.MX (both
Freescale platforms).
The largest diffs come from the hwmod code for omap5 and the re-add of
the restart code on sunxi. The hwmod stuff is quite late at this point
but it slipped through cracks repeatedly while coming up the maintainer
chain and only affects the one SoC so risk is low.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"This week's arm-soc fixes:
- A set of of OMAP patches that we had missed Tony's pull request of:
* Reset fix for am43xx
* Proper OPP table for omap5
* Fix for SoC detection of one of the DRA7 SoCs
* hwmod updates to get SATA and OCP to work on omap5 (drivers
merged in 3.16)
* ... plus a handful of smaller fixes
- sunxi needed to re-add machine specific restart code that was
removed in anticipation of a watchdog driver being merged for 3.16,
and it didn't make it in.
- Marvell fixes for PCIe on SMP and a big-endian fix.
- A trivial defconfig update to make my capri test board boot with
bcm_defconfig again.
... and a couple of MAINTAINERS updates, one to claim new Keystone
drivers that have been merged, and one to merge MXS and i.MX (both
Freescale platforms).
The largest diffs come from the hwmod code for omap5 and the re-add of
the restart code on sunxi. The hwmod stuff is quite late at this
point but it slipped through cracks repeatedly while coming up the
maintainer chain and only affects the one SoC so risk is low"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
MAINTAINERS: Add few more Keystone drivers
MAINTAINERS: merge MXS entry into IMX one
ARM: sunxi: Reintroduce the restart code for A10/A20 SoCs
ARM: mvebu: fix cpuidle implementation to work on big-endian systems
ARM: mvebu: update L2/PCIe deadlock workaround after L2CC cleanup
ARM: mvebu: move Armada 375 external abort logic as a quirk
ARM: bcm: Fix bcm and multi_v7 defconfigs
ARM: dts: dra7-evm: remove interrupt binding
ARM: OMAP2+: Fix parser-bug in platform muxing code
ARM: DTS: dra7/dra7xx-clocks: ATL related changes
ARM: OMAP2+: drop unused function
ARM: dts: am43x-epos-evm: Add Missing cpsw-phy-sel for am43x-epos-evm
ARM: dts: omap5: Update CPU OPP table as per final production Manual
ARM: DRA722: add detection of SoC information
ARM: dts: Enable twl4030 off-idle configuration for selected omaps
ARM: OMAP5: hwmod: Add ocp2scp3 and sata hwmods
ARM: OMAP2+: hwmod: Change hardreset soc_ops for AM43XX
Pull irq fixes from Thomas Gleixner:
"A few minor fixlets in ARM SoC irq drivers and a fix for a memory leak
which I introduced in the last round of cleanups :("
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq: Fix memory leak when calling irq_free_hwirqs()
irqchip: spear_shirq: Fix interrupt offset
irqchip: brcmstb-l2: Level-2 interrupts are edge sensitive
irqchip: armada-370-xp: Mask all interrupts during initialization.
Fixes for 3.16-rc3; most importantly Jesse brings back VGA he took away
on a bunch of machines. Also a vblank fix for BDW and a power workaround
fix for VLV.
* tag 'drm-intel-fixes-2014-07-03' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Drop early VLV WA to fix Voltage not getting dropped to Vmin
drm/i915: only apply crt_present check on VLV
drm/i915: Wait for vblank after enabling the primary plane on BDW
irq_free_hwirqs() always calls irq_free_descs() with a cnt == 0
which makes it a no-op since the interrupt count to free is
decremented in itself.
Fixes: 7b6ef12625
Signed-off-by: Keith Busch <keith.busch@intel.com>
Acked-by: David Rientjes <rientjes@google.com>
Link: http://lkml.kernel.org/r/1404167084-8070-1-git-send-email-keith.busch@intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Update MAINTAINERS file for recently added reset controller, AEMIF
and clocksource driver for Keystone SOCs.
The EMIF memory controller driver is also added along with AEMIF.
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Olof Johansson <olof@lixom.net>
Cc: Kevin Hilman <khilman@linaro.org>
Cc: Mike Turquette <mturquette@linaro.org>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
The mach-mxs platform is actually co-maintained by myself and
pengutronix folks. Also it's hosted in the same kernel tree as IMX.
So let's merge the entry into IMX one.
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
- mvebu
- Fix PCIe deadlock now that SMP is enabled
- Fix cpuidle for big-endian systems
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Merge tag 'mvebu-fixes-3.16-2' of git://git.infradead.org/linux-mvebu into fixes
mvebu fixes for v3.16 (round #2)
- mvebu
- Fix PCIe deadlock now that SMP is enabled
- Fix cpuidle for big-endian systems
* tag 'mvebu-fixes-3.16-2' of git://git.infradead.org/linux-mvebu:
ARM: mvebu: fix cpuidle implementation to work on big-endian systems
ARM: mvebu: update L2/PCIe deadlock workaround after L2CC cleanup
ARM: mvebu: move Armada 375 external abort logic as a quirk
Signed-off-by: Olof Johansson <olof@lixom.net>
This partly reverts commits 553600502b (ARM: sunxi: Remove reset code from
the platform) and 5e669ec583 (ARM: sunxi: Remove init_machine callback) for
the sun4i, sun5i and sun7i families.
This is needed because the watchdog counterpart of these commits was dropped,
and didn't make it into 3.16. In order to still be able to reboot the board, we
need to reintroduce that code. Of course, the long term view is still to get
rid of that code in mach-sunxi.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
enabling of a few features that had to wait for the driver
dependencies to clear.
The fixes included are:
- Fix am43xx hard reset flags
- Fix SoC detection for DRA722
- Fix CPU OPP table for omap5
- Fix legacy mux parser bug if requested muxname is a prefix of
multiple mux entries
- Fix qspi interrupt binding that relies on the irq crossbar
that has not yet been enabled
- Add missing phy_sel for am43x-epos-evm
- Drop unused gic_init_irq() that is no longer needed
And the enabling of features that had driver dependencies are:
- Change dra7 to use Audio Tracking Logic clock instead of a fixed
clock now that the clock driver for it has been merged
- Enable off idle configuration for selected omaps as all the kernel
dependencies for device tree based booting are finally merged as
this is needed to get the automated PM tests working finally with
device tree based booting
- Add hwmod entry for ocp2scp3 for omap5 to get sata working as
all the driver dependencies are now in the kernel and this patch
fell through the cracks during the merge window
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Merge tag 'omap-for-v3.16/fixes-against-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Merge OMAP fixes from Tony Lindgren:
Fixes for omaps for issues discovered during the merge window and
enabling of a few features that had to wait for the driver
dependencies to clear.
The fixes included are:
- Fix am43xx hard reset flags
- Fix SoC detection for DRA722
- Fix CPU OPP table for omap5
- Fix legacy mux parser bug if requested muxname is a prefix of
multiple mux entries
- Fix qspi interrupt binding that relies on the irq crossbar
that has not yet been enabled
- Add missing phy_sel for am43x-epos-evm
- Drop unused gic_init_irq() that is no longer needed
And the enabling of features that had driver dependencies are:
- Change dra7 to use Audio Tracking Logic clock instead of a fixed
clock now that the clock driver for it has been merged
- Enable off idle configuration for selected omaps as all the kernel
dependencies for device tree based booting are finally merged as
this is needed to get the automated PM tests working finally with
device tree based booting
- Add hwmod entry for ocp2scp3 for omap5 to get sata working as
all the driver dependencies are now in the kernel and this patch
fell through the cracks during the merge window
* tag 'omap-for-v3.16/fixes-against-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: dra7-evm: remove interrupt binding
ARM: OMAP2+: Fix parser-bug in platform muxing code
ARM: DTS: dra7/dra7xx-clocks: ATL related changes
ARM: OMAP2+: drop unused function
ARM: dts: am43x-epos-evm: Add Missing cpsw-phy-sel for am43x-epos-evm
ARM: dts: omap5: Update CPU OPP table as per final production Manual
ARM: DRA722: add detection of SoC information
ARM: dts: Enable twl4030 off-idle configuration for selected omaps
ARM: OMAP5: hwmod: Add ocp2scp3 and sata hwmods
ARM: OMAP2+: hwmod: Change hardreset soc_ops for AM43XX
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Merge tag 'md/3.16-fixes' of git://neil.brown.name/md
Pull md bugfixes from Neil Brown:
"Two minor bugfixes for md in 3.16"
* tag 'md/3.16-fixes' of git://neil.brown.name/md:
md: flush writes before starting a recovery.
md: make sure GET_ARRAY_INFO ioctl reports correct "clean" status
This contains a few fixes for HD-audio: yet another Dell headset pin
quirk, a fixup for Thinkpad T540P, and an improved fix for
Haswell/Broadwell HDMI clock setup.
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Merge tag 'sound-3.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"This contains a few fixes for HD-audio: yet another Dell headset pin
quirk, a fixup for Thinkpad T540P, and an improved fix for
Haswell/Broadwell HDMI clock setup"
* tag 'sound-3.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - restore BCLK M/N value as per CDCLK for HSW/BDW display HDA controller
drm/i915: provide interface for audio driver to query cdclk
ALSA: hda - Add a fixup for Thinkpad T540p
ALSA: hda - Add another headset pin quirk for some Dell machines
Pull btrfs fixes from Chris Mason:
"We've queued up a few fixes in my for-linus branch"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
Btrfs: fix crash when starting transaction
Btrfs: fix btrfs_print_leaf for skinny metadata
Btrfs: fix race of using total_bytes_pinned
btrfs: use E2BIG instead of EIO if compression does not help
btrfs: remove stale comment from btrfs_flush_all_pending_stuffs
Btrfs: fix use-after-free when cloning a trailing file hole
btrfs: fix null pointer dereference in btrfs_show_devname when name is null
btrfs: fix null pointer dereference in clone_fs_devices when name is null
btrfs: fix nossd and ssd_spread mount option regression
Btrfs: fix race between balance recovery and root deletion
Btrfs: atomically set inode->i_flags in btrfs_update_iflags
btrfs: only unlock block in verify_parent_transid if we locked it
Btrfs: assert send doesn't attempt to start transactions
btrfs compression: reuse recently used workspace
Btrfs: fix crash when mounting raid5 btrfs with missing disks
btrfs: create sprout should rename fsid on the sysfs as well
btrfs: dev replace should replace the sysfs entry
btrfs: dev add should add its sysfs entry
btrfs: dev delete should remove sysfs entry
btrfs: rename add_device_membership to btrfs_kobj_add_device
The CurrentEL system register reports the Current Exception Level
of the CPU. It doesn't say anything about the stack handling, and
yet we compare it to PSR_MODE_EL2t and PSR_MODE_EL2h.
It works by chance because PSR_MODE_EL2t happens to match the right
bits, but that's otherwise a very bad idea. Just check for the EL
value instead.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
[catalin.marinas@arm.com: fixed arch/arm64/kernel/efi-entry.S]
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
The __sync_icache_dcache routine will only flush the dcache for the
first page of a compound page, potentially leading to stale icache
data residing further on in a hugetlb page.
This patch addresses this issue by taking into consideration the
order of the page when flushing the dcache.
Reported-by: Mark Brown <broonie@linaro.org>
Tested-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Steve Capper <steve.capper@linaro.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: <stable@vger.kernel.org> # v3.11+
The define ARM64_64K_PAGES is tested for rather than
CONFIG_ARM64_64K_PAGES. Correct that typo here.
Signed-off-by: Steve Capper <steve.capper@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
