Commit Graph

495708 Commits

Author SHA1 Message Date
Alexandre Courbot
2474ae2942 drm/nouveau: sgdma: remove unused nouveau_sgdma_be::dev
nouveau_sgdma_be::dev is only set once during init and never used
anywhere, so remove it.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-01-22 12:14:55 +10:00
Ben Skeggs
ec0e55420d drm/nouveau/core: object.engine is always a nouveau_engine now
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-01-22 12:14:54 +10:00
Ben Skeggs
8000fb2191 drm/nouveau/core: can now assume client/device object tree based on object.engine
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-01-22 12:14:54 +10:00
Ben Skeggs
bdda4703f1 drm/nouveau/disp: outp/conns do not have an engine
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-01-22 12:14:53 +10:00
Ben Skeggs
c272d86e70 drm/nouveau/bar: barobjs may not have an engine
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-01-22 12:14:52 +10:00
Ben Skeggs
9d18cdbb09 drm/nouveau/fb: ram impl does not have an engine
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-01-22 12:14:51 +10:00
Ben Skeggs
8c237fdf11 drm/nouveau/i2c: pad/ports do not have an engine
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-01-22 12:14:50 +10:00
Ben Skeggs
3532c37017 drm/nouveau/instmem: instobjs may not have an engine
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-01-22 12:14:49 +10:00
Ben Skeggs
490d595f32 drm/nouveau/core: fix subdev/engine/device lookup to not require engine pointer
It's about to not be valid for objects that aren't in the client
object tree.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-01-22 12:14:48 +10:00
Ben Skeggs
a38f37a7e0 drm/nouveau/core: uninline subdev/engine/device lookup functions
These are a tad more complex than a direct cast with paranoia safeties.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-01-22 12:14:48 +10:00
Ben Skeggs
0527a04fe8 drm/nouveau/core: prepare printk for NULL engine pointer on device object tree
The [  SUBDEV] specified in log output will be a bit different for
children of a subdev now.  Previously this reports whatever subdev
is specified by object.engine, now it reports the subdev that owns
the object (so, up object.parent somewhere).

Later patches will append object and class identifiers to messages,
which will help clarify where it's coming from.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-01-22 12:14:47 +10:00
Ben Skeggs
e138c7d8fc drm/nouveau/core: drop the pointer value in debug printk output
Makes the output slightly less useful, in that objects with the same
class handle can't be distinguished from each other now.

Upcoming commits will name objects with user-readable strings to fix
this problem.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-01-22 12:14:46 +10:00
Ben Skeggs
95fb6dd728 drm/nouveau/i2c: fix some blatant abuse
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-01-22 12:14:45 +10:00
Ben Skeggs
8d90d1ef88 drm/gf100-/bar: don't fill in bar->alloc until after all vm setup done
gpuobj has a condition of (bar && bar->alloc) around usage to avoid
some nasty ordering issues (which, i've now been reminded to add a
todo about fixing...) between bar and vm.

The bar->alloc part of the condition isn't currently necessary (it
used to be, another change made bar always NULL where it matters),
so we got lucky.  That won't be the case for much longer.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-01-22 12:14:44 +10:00
Ben Skeggs
6f5cee5b57 drm/nouveau/core: rename parent to handle, use parent for nouveau_parent
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-01-22 12:14:44 +10:00
Ben Skeggs
587f7a5b7c drm/nouveau/core: rename subclass.base to subclass.superclass
Makes things a bit more readable.  This is specially important now as
upcoming commits are going to be gradually removing the use of macros
for down-casts, in favour of compile-time checking.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-01-22 12:14:43 +10:00
Ben Skeggs
2f4a58e852 drm/nouveau/subdev: always upcast through nouveau_subdev()/nouveau_engine()
Has additional safeties for one.  For two, needed for an upcoming
commit that removes abuse of nouveau_object.engine.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-01-22 12:14:42 +10:00
Ben Skeggs
4534a2af58 drm/nouveau/fb: remove some (now) unnecessary hacks
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-01-22 12:14:42 +10:00
Dave Airlie
281d1bbd34 Merge remote-tracking branch 'origin/master' into drm-next
Backmerge Linus tree after rc5 + drm-fixes went in.

There were a few amdkfd conflicts I wanted to avoid,
and Ben requested this for nouveau also.

Conflicts:
	drivers/gpu/drm/amd/amdkfd/Makefile
	drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
	drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c
	drivers/gpu/drm/amd/amdkfd/kfd_priv.h
	drivers/gpu/drm/amd/include/kgd_kfd_interface.h
	drivers/gpu/drm/i915/intel_runtime_pm.c
	drivers/gpu/drm/radeon/radeon_kfd.c
2015-01-22 10:44:41 +10:00
Dave Airlie
bfa55bd499 Merge branch 'drm-sti-next-add-dvo' of git://git.linaro.org/people/benjamin.gaignard/kernel into drm-next
This patch enable the last big hardware feature of my driver: the
connector for panel.
Like for HMDI and HDA, Digital Video Out (DVO) create brige, encoder
and connector
drm objects.

* 'drm-sti-next-add-dvo' of git://git.linaro.org/people/benjamin.gaignard/kernel:
  drm: sti: add DVO output connector
2015-01-22 09:59:25 +10:00
Dave Airlie
c0d2792b2a Merge tag 'atmel-hlcdc-drm-3.20' of https://github.com/bbrezillon/linux-at91 into drm-next
Add atmel HLCDC driver.

* tag 'atmel-hlcdc-drm-3.20' of https://github.com/bbrezillon/linux-at91:
  drm: add DT bindings documentation for atmel-hlcdc-dc driver
  drm: add Atmel HLCDC Display Controller support
  drm: panel: simple-panel: add bus format information for foxlink panel
  drm: panel: simple-panel: add support for bus_format retrieval
  drm: add bus_formats and num_bus_formats fields to drm_display_info
2015-01-22 09:48:02 +10:00
Dave Airlie
ca1130de2a Merge tag 'drm-amdkfd-next-2015-01-21' of git://people.freedesktop.org/~gabbayo/linux into drm-next
- Infrastructure work in amdkfd to prepare for VI support. This work mainly
  includes separating modules into ASIC-specific functionality, adding
  new properties that are relevant for VI, making sure that shared code is
  reused, etc.

- Improve mechanism of submitting packets to HIQ (the kernel queue that amdkfd
  uses to issue commands to the GPU). The driver used to verify that each CS
  was read by the GPU. However, this proved to be both unnecessary and erroneous.
  Therefore, we cancelled this verification.

- Moved initialization of compute VMIDs into radeon driver

- Various minor fixes

* tag 'drm-amdkfd-next-2015-01-21' of git://people.freedesktop.org/~gabbayo/linux: (22 commits)
  drm/amdkfd: Fix description of sched_policy module parameter
  drm/amdkfd: Remove sync_with_hw() from amdkfd
  drm/amdkfd: Remove unused function busy_wait()
  drm/amdkfd: Replace cpu_relax() with schedule() in DQM
  drm/amdkfd: Fix for-loop when allocating HQD (non-HWS)
  drm/amdkfd: Add initial VI support for KQ
  drm/amdkfd: Encapsulate KQ functions in ops structure
  drm/amdkfd: Add initial VI support for DQM
  drm/amdkfd: Encapsulate DQM functions in ops structure
  drm/amdkfd: Don't BUG on freeing GART sub-allocation
  drm/amdkfd: Fix logic of destroy_queue_nocpsch()
  MAINTAINERS: Update amdkfd files
  drm/amdkfd: Change MQD manager to be H/W specific
  drm/amdkfd: Add asic property to kfd_device_info
  drm/amdkfd: Make KFD_MQD_TYPE enum types H/W agnostic
  drm/amdkfd: Add new VI-specific queue properties
  drm/radeon: Use new cik_structs.h file
  drm/amdkfd: Don't include header files from radeon
  drm/amd: Put cik structures in a common place
  drm/radeon: Don't use relative paths in #include
  ...
2015-01-22 09:44:46 +10:00
Linus Torvalds
b942c653ae It's been reported that function tracing does not work on the sh architecture
because gcc 4.8 for superH does not support -m32, and the recordmcount.pl
 script adds "-m32" when re-compiling the object files with the mcount
 locations.
 
 I was not able to reproduce this problem, as it seems that -m32 works fine
 for my cross compiler gcc 4.6.3, but I have to assume that -m32 was
 deprecated somewhere between 4.6 and 4.8. As it still seems to compile
 fine without -m32, I have no reason not to add this patch, as having
 -m32 seems to cause trouble for others.
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Merge tag 'trace-sh-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull superh tracing fix from Steven Rostedt:
 "It's been reported that function tracing does not work on the sh
  architecture because gcc 4.8 for superH does not support -m32, and the
  recordmcount.pl script adds "-m32" when re-compiling the object files
  with the mcount locations.

  I was not able to reproduce this problem, as it seems that -m32 works
  fine for my cross compiler gcc 4.6.3, but I have to assume that -m32
  was deprecated somewhere between 4.6 and 4.8.  As it still seems to
  compile fine without -m32, I have no reason not to add this patch, as
  having -m32 seems to cause trouble for others"

* tag 'trace-sh-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  scripts/recordmcount.pl: There is no -m32 gcc option on Super-H anymore
2015-01-22 06:26:07 +12:00
Boris Brezillon
5b7e944ec8 drm: add DT bindings documentation for atmel-hlcdc-dc driver
The Atmel HLCDC (HLCD Controller) IP available on some Atmel SoCs (i.e.
at91sam9n12, at91sam9x5 family or sama5d3 family) provides a display
controller device.

The HLCDC block provides a single RGB output port, and only supports LCD
panels connection to LCD panels for now.

The atmel,panel property link the HLCDC RGB output with the LCD panel
connected on this port (note that the HLCDC RGB connector implementation
makes use of the DRM panel framework).

Connection to other external devices (DRM bridges) might be added later by
mean of a new atmel,xxx (atmel,bridge) property.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2015-01-21 09:46:02 +01:00
Boris Brezillon
1a396789f6 drm: add Atmel HLCDC Display Controller support
The Atmel HLCDC (HLCD Controller) IP available on some Atmel SoCs (i.e.
at91sam9n12, at91sam9x5 family or sama5d3 family) provides a display
controller device.

This display controller supports at least one primary plane and might
provide several overlays and an hardware cursor depending on the IP
version.

At the moment, this driver only implements an RGB connector to interface
with LCD panels, but support for other kind of external devices might be
added later.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Tested-by: Anthony Harivel <anthony.harivel@emtrion.de>
Tested-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2015-01-21 09:46:02 +01:00
Boris Brezillon
bb276cb3a3 drm: panel: simple-panel: add bus format information for foxlink panel
Foxlink's fl500wvr00-a0t supports RGB888 format.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Thierry Reding <treding@nvidia.com>
2015-01-21 09:45:56 +01:00
Boris Brezillon
795f7ab3a4 drm: panel: simple-panel: add support for bus_format retrieval
Provide a way to specify panel requirement in terms of supported media bus
format (particularly useful for panels connected to an RGB or LVDS bus).

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Thierry Reding <treding@nvidia.com>
2015-01-21 09:45:45 +01:00
Boris Brezillon
b5571e9df6 drm: add bus_formats and num_bus_formats fields to drm_display_info
Add bus_formats and num_bus_formats fields and
drm_display_info_set_bus_formats helper function to specify the bus
formats supported by a given display.

This information can be used by display controller drivers to configure
the output interface appropriately (i.e. RGB565, RGB666 or RGB888 on raw
RGB or LVDS busses).

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Thierry Reding <treding@nvidia.com>
2015-01-21 09:45:34 +01:00
Linus Torvalds
5eb11d6b3f sound fixes for 3.19-rc6
This batch contains two fixes for FireWire lib module and a quirk
 for yet another Logitech WebCam.  The former is the fixes for MIDI
 handling I forgot to pick up during the merge window.  All the
 fixed code is pretty local and shouldn't give any regressions.
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Merge tag 'sound-3.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "This batch contains two fixes for FireWire lib module and a quirk for
  yet another Logitech WebCam.  The former is the fixes for MIDI
  handling I forgot to pick up during the merge window.  All the fixed
  code is pretty local and shouldn't give any regressions"

* tag 'sound-3.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: usb-audio: Add mic volume fix quirk for Logitech Webcam C210
  ALSA: firewire-lib: limit the MIDI data rate
  ALSA: firewire-lib: remove rx_blocks_for_midi quirk
2015-01-21 20:37:25 +12:00
Linus Torvalds
479459a86c Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
 "Just back from LCA + some days off, had some fixes from the past 2 weeks,

  Some amdkfd code removal for a feature that wasn't ready, otherwise
  just one fix for core helper sleeping, exynos, i915, and radeon fixes.

  I thought I had some sti fixes but they were already in, and it
  confused me for a few mins this morning"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm: fb helper should avoid sleeping in panic context
  drm/exynos: fix warning of vblank reference count
  drm/exynos: remove unnecessary runtime pm operations
  drm/exynos: fix reset codes for memory mapped hdmi phy
  drm/radeon: use rv515_ring_start on r5xx
  drm/radeon: add si dpm quirk list
  drm/radeon: don't print error on -ERESTARTSYS
  drm/i915: Fix mutex->owner inspection race under DEBUG_MUTEXES
  drm/i915: Ban Haswell from using RCS flips
  drm/i915: vlv: sanitize RPS interrupt mask during GPU idling
  drm/i915: fix HW lockup due to missing RPS IRQ workaround on GEN6
  drm/i915: gen9: fix RPS interrupt routing to CPU vs. GT
  drm/exynos: remove the redundant machine checking code
  drm/radeon: add a dpm quirk list
  drm/amdkfd: Fix sparse warning (different address space)
  drm/radeon: fix VM flush on CIK (v3)
  drm/radeon: fix VM flush on SI (v3)
  drm/radeon: fix VM flush on cayman/aruba (v3)
  drm/amdkfd: Drop interrupt SW ring buffer
2015-01-21 20:23:33 +12:00
Linus Torvalds
7c4bb81c28 - Avoid platform ID collision in da9052
- Skip caching volatile registers in tps65218
  - Use correct address base in tps65218
  - Repair deadlock on suspend in rtsx_usb
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Merge tag 'mfd-fixes-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD fixes from Lee Jones:
 - Avoid platform ID collision in da9052
 - Skip caching volatile registers in tps65218
 - Use correct address base in tps65218
 - Repair deadlock on suspend in rtsx_usb

* tag 'mfd-fixes-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd:
  mfd: rtsx_usb: Fix runtime PM deadlock
  mfd: tps65218: Make INT1 our status_base register
  mfd: tps65218: Make INT[12] and STATUS registers volatile
  mfd: da9052-core: Fix platform-device id collision
2015-01-21 18:29:44 +12:00
Dave Airlie
fc83975348 imx-drm mode fixup support, imx-hdmi bridge conversion and imx-drm cleanup
- Implement mode_fixup for a DI vertical timing limitation
 - Use generic DRM OF helpers in DRM core
 - Convert imx-hdmi to dw_hdmi drm_bridge and add rockchip
   driver
 - Add DC use counter to fix multi-display support
 - Simplify handling of DI clock flags
 - A few small fixes and cleanup
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Merge tag 'imx-drm-next-2015-01-09' of git://git.pengutronix.de/git/pza/linux into drm-next

imx-drm mode fixup support, imx-hdmi bridge conversion and imx-drm cleanup

- Implement mode_fixup for a DI vertical timing limitation
- Use generic DRM OF helpers in DRM core
- Convert imx-hdmi to dw_hdmi drm_bridge and add rockchip
  driver
- Add DC use counter to fix multi-display support
- Simplify handling of DI clock flags
- A few small fixes and cleanup

* tag 'imx-drm-next-2015-01-09' of git://git.pengutronix.de/git/pza/linux: (26 commits)
  imx-drm: core: handling of DI clock flags to ipu_crtc_mode_set()
  gpu: ipu-di: Switch to DIV_ROUND_CLOSEST for DI clock divider calc
  gpu: ipu-v3: Use videomode in struct ipu_di_signal_cfg
  imx-drm: encoder prepare/mode_set must use adjusted mode
  imx-drm: ipuv3-crtc: Implement mode_fixup
  drm_modes: add drm_display_mode_to_videomode
  gpu: ipu-di: remove some non-functional code
  gpu: ipu-di: Add ipu_di_adjust_videomode()
  drm: rockchip: export functions needed by rockchip dw_hdmi bridge driver
  drm: bridge/dw_hdmi: request interrupt only after initializing the mutes
  drm: bridge/dw_hdmi: add rockchip rk3288 support
  dt-bindings: Add documentation for rockchip dw hdmi
  drm: bridge/dw_hdmi: add function dw_hdmi_phy_enable_spare
  drm: bridge/dw_hdmi: clear i2cmphy_stat0 reg in hdmi_phy_wait_i2c_done
  drm: bridge/dw_hdmi: add mode_valid support
  drm: bridge/dw_hdmi: add support for multi-byte register width access
  dt-bindings: add document for dw_hdmi
  drm: imx: imx-hdmi: move imx-hdmi to bridge/dw_hdmi
  drm: imx: imx-hdmi: split phy configuration to platform driver
  drm: imx: imx-hdmi: convert imx-hdmi to drm_bridge mode
  ...
2015-01-21 10:17:16 +10:00
Dave Airlie
b2eb048980 Merge branch 'drm/next/du' of git://linuxtv.org/pinchartl/fbdev into drm-next
* 'drm/next/du' of git://linuxtv.org/pinchartl/fbdev:
  drm: rcar-du: Implement support for interlaced modes
  drm: rcar-du: Clamp DPMS states to on and off
  drm: rcar-du: Enable hotplug detection on HDMI connector
  drm: rcar-du: Output HSYNC instead of CSYNC
  drm: rcar-du: Add support for external pixel clock
  drm: rcar-du: Refactor DEFR8 feature
  drm: rcar-du: Remove LVDS and HDMI encoders chaining restriction
  drm: rcar-du: Configure pitch for chroma plane of multiplanar formats
  drm: rcar-du: Don't fail probe in case of partial encoder init error
  drm: adv7511: Remove interlaced mode check
2015-01-21 10:16:24 +10:00
Dave Airlie
4f4d89af78 Merge tag 'drm-amdkfd-next-2015-01-09' of git://people.freedesktop.org/~gabbayo/linux into drm-next
- Add support for SDMA usermode queues
- Replace logic of sub-allocating from GART buffer in amdkfd. Instead
  of using radeon_sa module, use a new module that is more suited for
  this purpose
- Add the number of watch points to amdkfd topology
- Split a function that did two things into two seperate functions.

* tag 'drm-amdkfd-next-2015-01-09' of git://people.freedesktop.org/~gabbayo/linux:
  drm/amd: Remove old radeon_sa funcs from kfd-->kgd interface
  drm/radeon: Remove old radeon_sa usage from kfd-->kgd interface
  drm/amdkfd: Using new gtt sa in amdkfd
  drm/amdkfd: Allocate gart memory using new interface
  drm/amdkfd: Fixed calculation of gart buffer size
  drm/amdkfd: Add kfd gtt sub-allocator functions
  drm/amdkfd: Add gtt sa related data to kfd_dev struct
  drm/radeon: Impl. new gtt allocate/free functions
  drm/amd: Add new kfd-->kgd interface for gart usage
  drm/radeon: Enable sdma preemption
  drm/amdkfd: Pass queue type to pqm_create_queue()
  drm/amdkfd: Identify SDMA queue in create queue ioctl
  drm/amdkfd: Add SDMA user-mode queues support to QCM
  drm/amdkfd: Add SDMA mqd support
  drm/radeon: Implement SDMA interface functions
  drm/amd: Add SDMA functions to kfd-->kgd interface
  drm/amdkfd: Process-device data creation and lookup split
  drm/amdkfd: Add number of watch points to topology
2015-01-21 10:14:41 +10:00
Dave Airlie
67cf2d3912 Merge tag 'drm-amdkfd-fixes-2015-01-13' of git://people.freedesktop.org/~gabbayo/linux into drm-fixes
- Remove the interrupt SW ring buffer impl. as it is not used by any module
  in amdkfd.

- Fix a sparse warning

* tag 'drm-amdkfd-fixes-2015-01-13' of git://people.freedesktop.org/~gabbayo/linux:
  drm/amdkfd: Fix sparse warning (different address space)
  drm/amdkfd: Drop interrupt SW ring buffer
2015-01-21 09:26:47 +10:00
Dave Airlie
9e4fc22a95 Merge tag 'drm-intel-fixes-2015-01-15' of git://anongit.freedesktop.org/drm-intel into drm-fixes
misc i915 fixes

* tag 'drm-intel-fixes-2015-01-15' of git://anongit.freedesktop.org/drm-intel:
  drm/i915: Fix mutex->owner inspection race under DEBUG_MUTEXES
  drm/i915: Ban Haswell from using RCS flips
  drm/i915: vlv: sanitize RPS interrupt mask during GPU idling
  drm/i915: fix HW lockup due to missing RPS IRQ workaround on GEN6
  drm/i915: gen9: fix RPS interrupt routing to CPU vs. GT
2015-01-21 09:26:28 +10:00
Rui Wang
9aa609e1a3 drm: fb helper should avoid sleeping in panic context
There are still some places in the fb helper that need to avoid
sleeping in panic context. Here's an example:

[   65.615496] bad: scheduling from the idle thread!
[   65.620747] CPU: 92 PID: 0 Comm: swapper/92 Tainted: G   M        E  3.18.0-rc4-7-default+ #20

[   65.630364] Hardware name: Intel Corporation BRICKLAND/BRICKLAND, BIOS
BRHSXSD1.86B.0056.R01.1409242327 09/24/2014
[   65.641923]  ffff88087f693d80 ffff88087f689878 ffffffff81566db9 0000000000000000
[   65.650226]  ffff88087f693d80 ffff88087f689898 ffffffff810871ff ffff88046eb3e0d0
[   65.658527]  ffff88087f693d80 ffff88087f6898c8 ffffffff8107c1fa 000000017f6898b8
[   65.666830] Call Trace:
[   65.669557]  <#MC>  [<ffffffff81566db9>] dump_stack+0x46/0x58
[   65.675994]  [<ffffffff810871ff>] dequeue_task_idle+0x2f/0x40
[   65.682412]  [<ffffffff8107c1fa>] dequeue_task+0x5a/0x80
[   65.688345]  [<ffffffff810804f3>] deactivate_task+0x23/0x30
[   65.694569]  [<ffffffff81569050>] __schedule+0x580/0x7f0
[   65.700502]  [<ffffffff81569739>] schedule_preempt_disabled+0x29/0x70
[   65.707696]  [<ffffffff8156abb6>] __ww_mutex_lock_slowpath+0xb8/0x162
[   65.714891]  [<ffffffff8156acb3>] __ww_mutex_lock+0x53/0x85
[   65.721125]  [<ffffffffa00b3a5d>] drm_modeset_lock+0x3d/0x110 [drm]
[   65.728132]  [<ffffffffa00b3c2a>] __drm_modeset_lock_all+0x8a/0x120 [drm]
[   65.735721]  [<ffffffffa00b3cd0>] drm_modeset_lock_all+0x10/0x30 [drm]
[   65.743015]  [<ffffffffa01af8bf>] drm_fb_helper_pan_display+0x2f/0xf0 [drm_kms_helper]
[   65.751857]  [<ffffffff8132bd21>] fb_pan_display+0xd1/0x1a0
[   65.758081]  [<ffffffff81326010>] bit_update_start+0x20/0x50
[   65.764400]  [<ffffffff813259f2>] fbcon_switch+0x3a2/0x550
[   65.770528]  [<ffffffff813a01c9>] redraw_screen+0x189/0x240
[   65.776750]  [<ffffffff81322f8a>] fbcon_blank+0x20a/0x2d0
[   65.782778]  [<ffffffff8137d359>] ? erst_writer+0x209/0x330
[   65.789002]  [<ffffffff810ba2f3>] ? internal_add_timer+0x63/0x80
[   65.795710]  [<ffffffff810bc137>] ? mod_timer+0x127/0x1e0
[   65.801740]  [<ffffffff813a0cd8>] do_unblank_screen+0xa8/0x1d0
[   65.808255]  [<ffffffff813a0e10>] unblank_screen+0x10/0x20
[   65.814381]  [<ffffffff812ca0d9>] bust_spinlocks+0x19/0x40
[   65.820508]  [<ffffffff81561ca7>] panic+0x106/0x1f5
[   65.825955]  [<ffffffff8102336c>] mce_panic+0x2ac/0x2e0
[   65.831789]  [<ffffffff812c796a>] ? delay_tsc+0x4a/0x80
[   65.837625]  [<ffffffff81024e1f>] do_machine_check+0xbaf/0xbf0
[   65.844138]  [<ffffffff813365d7>] ? intel_idle+0xc7/0x150
[   65.850166]  [<ffffffff8156f03f>] machine_check+0x1f/0x30
[   65.856195]  [<ffffffff813365d7>] ? intel_idle+0xc7/0x150
[   65.862222]  <<EOE>>  [<ffffffff814283d5>] cpuidle_enter_state+0x55/0x170
[   65.869823]  [<ffffffff814285a7>] cpuidle_enter+0x17/0x20
[   65.875852]  [<ffffffff81097b08>] cpu_startup_entry+0x2d8/0x370
[   65.882467]  [<ffffffff8102fe29>] start_secondary+0x159/0x180

There's __drm_modeset_lock_all() which Daniel Vetter introduced for this
purpose. We can leverage that without reinventing anything. This patch
works with the latest kernel.

Reviewed-by: Rob Clark <robdclark@gmail.com>
Tested-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Rui Wang <rui.y.wang@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2015-01-21 09:26:15 +10:00
Dave Airlie
e902027a64 Merge branch 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes
This pull request includes below fixups,

- Remove duplicated machine checking.
  . It seems that this code was added when you merged 'v3.18-rc7' into
    drm-next. commit id : e8115e79aa
- Fix hdmiphy reset.
  . Exynos hdmi has two interfaces to control hdmyphy, one is I2C, other
    is APB bus - memory mapped I/O. So this patch makes hdmiphy reset
    to be done according to interfaces, I2C or APB bus.
- And add some exception codes.

* 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos:
  drm/exynos: fix warning of vblank reference count
  drm/exynos: remove unnecessary runtime pm operations
  drm/exynos: fix reset codes for memory mapped hdmi phy
  drm/exynos: remove the redundant machine checking code
2015-01-21 09:25:19 +10:00
Dave Airlie
b46ce98d93 Merge branch 'drm-fixes-3.19' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
Some radeon fixes for 3.19:
    - GPUVM stability fixes
    - SI dpm quirks
    - Regression fixes

* 'drm-fixes-3.19' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon: use rv515_ring_start on r5xx
  drm/radeon: add si dpm quirk list
  drm/radeon: don't print error on -ERESTARTSYS
  drm/radeon: add a dpm quirk list
  drm/radeon: fix VM flush on CIK (v3)
  drm/radeon: fix VM flush on SI (v3)
  drm/radeon: fix VM flush on cayman/aruba (v3)
2015-01-21 09:21:32 +10:00
Linus Torvalds
b97f880c83 Merge branch 'for-3.19-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata fixes from Tejun Heo:

 - Bartlomiej will be co-maintaining PATA portion of libata.  git
   workflow will stay the same.

 - sata_sil24 wasn't happy with tag ordered submission.  An option to
   restore the old tag allocation behavior is implemented for sil24.

 - a very old race condition in PIO host state machine which can trigger
   BUG fixed.

 - other driver-specific changes

* 'for-3.19-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
  libata: prevent HSM state change race between ISR and PIO
  libata: allow sata_sil24 to opt-out of tag ordered submission
  ata: pata_at91: depend on !ARCH_MULTIPLATFORM
  ahci: Remove Device ID for Intel Sunrise Point PCH
  ahci: Use dev_info() to inform about the lack of Device Sleep support
  libata: Whitelist SSDs that are known to properly return zeroes after TRIM
  sata_dwc_460ex: fix resource leak on error path
  ata: add MAINTAINERS entry for libata PATA drivers
  libata: clean up MAINTAINERS entries
  libata: export ata_get_cmd_descript()
  ahci_xgene: Fix the DMA state machine lockup for the ATA_CMD_PACKET PIO mode command.
  ahci_xgene: Fix the endianess issue in APM X-Gene SoC AHCI SATA controller driver.
2015-01-21 07:54:16 +12:00
Linus Torvalds
d4b2d0061d Merge branch 'for-3.19-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Pull workqueue fix from Tejun Heo:
 "The xfs folks have been running into weird and very rare lockups for
  some time now.  I didn't think this could have been from workqueue
  side because no one else was reporting it.  This time, Eric had a
  kdump which we looked into and it turned out this actually was a
  workqueue bug and the bug has been there since the beginning of
  concurrency managed workqueue.

  A worker pool ensures forward progress of the workqueues associated
  with it by always having at least one worker reserved from executing
  work items.  When the pool is under contention, the idle one tries to
  create more workers for the pool and if that doesn't succeed quickly
  enough, it calls the rescuers to the pool.

  This logic had a subtle race condition in an early exit path.  When a
  worker invokes this manager function, the function may return %false
  indicating that the caller may proceed to executing work items either
  because another worker is already performing the role or conditions
  have changed and the pool is no longer under contention.

  The latter part depended on the assumption that whether more workers
  are necessary or not remains stable while the pool is locked; however,
  pool->nr_running (concurrency count) may change asynchronously and it
  getting bumped from zero asynchronously could send off the last idle
  worker to execute work items.

  The race window is fairly narrow, and, even when it gets triggered,
  the pool deadlocks iff if all work items get blocked on pending work
  items of the pool, which is highly unlikely but can be triggered by
  xfs.

  The patch removes the race window by removing the early exit path,
  which doesn't server any purpose anymore anyway"

* 'for-3.19-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  workqueue: fix subtle pool management issue which can stall whole worker_pool
2015-01-21 07:51:46 +12:00
Roger Tseng
b166010f6a mfd: rtsx_usb: Fix runtime PM deadlock
sd_set_power_mode() in derived module drivers/mmc/host/rtsx_usb_sdmmc.c
acquires dev_mutex and then calls pm_runtime_get_sync() to make sure the
device is awake while initializing a newly inserted card. Once it is
called during suspending state and explicitly before rtsx_usb_suspend()
acquires the same dev_mutex, both routine deadlock and further hang the
driver because pm_runtime_get_sync() waits the pending PM operations.

Fix this by using an empty suspend method. mmc_core always turns the
LED off after a request is done and thus it is ok to remove the only
rtsx_usb_turn_off_led() here.

Cc: <stable@vger.kernel.org> # v3.16+
Fixes: 730876be25 ("mfd: Add realtek USB card reader driver")
Signed-off-by: Roger Tseng <rogerable@realtek.com>
[Lee: Removed newly unused variable]
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2015-01-20 12:52:55 +00:00
Felipe Balbi
f29ae369a4 mfd: tps65218: Make INT1 our status_base register
If we don't tell regmap-irq that our first status
register is at offset 1, it will try to read offset
zero, which is the chipid register.

Fixes: 44b4dc6 mfd: tps65218: Add driver for the TPS65218 PMIC
Cc: <stable@vger.kernel.org> # v3.15+
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2015-01-20 12:52:53 +00:00
Felipe Balbi
773328da24 mfd: tps65218: Make INT[12] and STATUS registers volatile
STATUS register can be modified by the HW, so we
should bypass cache because of that.

In the case of INT[12] registers, they are the ones
that actually clear the IRQ source at the time they
are read. If we rely on the cache for them, we will
never be able to clear the interrupt, which will cause
our IRQ line to be disabled due to IRQ throttling.

Fixes: 44b4dc6 mfd: tps65218: Add driver for the TPS65218 PMIC
Cc: <stable@vger.kernel.org> # v3.15+
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2015-01-20 12:52:50 +00:00
Fabio Estevam
b3f6c73db7 mfd: da9052-core: Fix platform-device id collision
Allow multiple DA9052 regulators be registered by registering with
PLATFORM_DEVID_AUTO instead of PLATFORM_DEVID_NONE.

The subdevices are currently registered with PLATFORM_DEVID_NONE, which
will cause a name collision on the platform bus when multiple regulators
are registered:

[    0.128855] da9052-regulator da9052-regulator: invalid regulator ID specified
[    0.128973] da9052-regulator: probe of da9052-regulator failed with error -22
[    0.129148] ------------[ cut here ]------------
[    0.129200] WARNING: CPU: 0 PID: 1 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x5c/0x7c()
[    0.129233] sysfs: cannot create duplicate filename '/devices/platform/soc/60000000.aips/63fc8000.i2c/i2c-0/0-0048/da9052-regulator
...
[    0.132891] ------------[ cut here ]------------
[    0.132924] WARNING: CPU: 0 PID: 1 at lib/kobject.c:240 kobject_add_internal+0x24c/0x2cc()
[    0.132957] kobject_add_internal failed for da9052-regulator with -EEXIST, don't try to register things with the same name in the same directory.
...
[    0.137000] da9052 0-0048: mfd_add_devices failed: -17
[    0.138486] da9052: probe of 0-0048 failed with error -17

Based on the fix done by Johan Hovold at commit b668422872 ("mfd:
viperboard: Fix platform-device id collision").

Tested on a imx53-qsb board, where multiple DA9053 regulators can be
successfully probed.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2015-01-20 12:52:48 +00:00
Linus Torvalds
06efe0e540 Pin control fixes for the v3.19 series:
- Fix two deadlocks around the pin control mutexes,
   a long-standing issue that manifest itself in
   plug/unplug of pin controllers. (Tagged for stable.)
 
 - Handle an error path with zero functions in the
   Qualcomm pin controller.
 
 - Drop a bogus second GPIO chip added in the Lantiq
   driver.
 
 - Fix sudden IRQ loss on Rockchip pin controllers.
 
 - Register the GIT tree in MAINTAINERS.
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Merge tag 'pinctrl-v3.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control fixes from Linus Walleij:
 "Here is a (hopefully final) slew of pin control fixes for the v3.19
  series.  The deadlock fix is kind of serious and tagged for stable,
  the rest is business as usual.

   - Fix two deadlocks around the pin control mutexes, a long-standing
     issue that manifest itself in plug/unplug of pin controllers.
     (Tagged for stable.)

   - Handle an error path with zero functions in the Qualcomm pin
     controller.

   - Drop a bogus second GPIO chip added in the Lantiq driver.

   - Fix sudden IRQ loss on Rockchip pin controllers.

   - Register the GIT tree in MAINTAINERS"

* tag 'pinctrl-v3.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl: MAINTAINERS: add git tree reference
  pinctrl: qcom: Don't iterate past end of function array
  pinctrl: lantiq: remove bogus of_gpio_chip_add
  pinctrl: Fix two deadlocks
  pinctrl: rockchip: Avoid losing interrupts when supporting both edges
2015-01-20 21:23:41 +12:00
Linus Torvalds
eef8f4c2ac Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Socket addresses returned in the error queue need to be fully
    initialized before being passed on to userspace, fix from Willem de
    Bruijn.

 2) Interrupt handling fixes to davinci_emac driver from Tony Lindgren.

 3) Fix races between receive packet steering and cpu hotplug, from Eric
    Dumazet.

 4) Allowing netlink sockets to subscribe to unknown multicast groups
    leads to crashes, don't allow it.  From Johannes Berg.

 5) One to many socket races in SCTP fixed by Daniel Borkmann.

 6) Put in a guard against the mis-use of ipv6 atomic fragments, from
    Hagen Paul Pfeifer.

 7) Fix promisc mode and ethtool crashes in sh_eth driver, from Ben
    Hutchings.

 8) NULL deref and double kfree fix in sxgbe driver from Girish K.S and
    Byungho An.

 9) cfg80211 deadlock fix from Arik Nemtsov.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (36 commits)
  s2io: use snprintf() as a safety feature
  r8152: remove sram_read
  r8152: remove generic_ocp_read before writing
  bgmac: activate irqs only if there is nothing to poll
  bgmac: register napi before the device
  sh_eth: Fix ethtool operation crash when net device is down
  sh_eth: Fix promiscuous mode on chips without TSU
  ipv6: stop sending PTB packets for MTU < 1280
  net: sctp: fix race for one-to-many sockets in sendmsg's auto associate
  genetlink: synchronize socket closing and family removal
  genetlink: disallow subscribing to unknown mcast groups
  genetlink: document parallel_ops
  net: rps: fix cpu unplug
  net: davinci_emac: Add support for emac on dm816x
  net: davinci_emac: Fix ioremap for devices with MDIO within the EMAC address space
  net: davinci_emac: Fix incomplete code for getting the phy from device tree
  net: davinci_emac: Free clock after checking the frequency
  net: davinci_emac: Fix runtime pm calls for davinci_emac
  net: davinci_emac: Fix hangs with interrupts
  ip: zero sockaddr returned on error queue
  ...
2015-01-20 18:19:31 +12:00
Linus Torvalds
2262889091 Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fix from Herbert Xu:
 "This fixes a regression that arose from the change to add a crypto
  prefix to module names which was done to prevent the loading of
  arbitrary modules through the Crypto API.

  In particular, a number of modules were missing the crypto prefix
  which meant that they could no longer be autoloaded"

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: add missing crypto module aliases
2015-01-20 18:17:34 +12:00
Dan Carpenter
a8c1d28ac3 s2io: use snprintf() as a safety feature
"sp->desc[i]" has 25 characters.  "dev->name" has 15 characters.  If we
used all 15 characters then the sprintf() would overflow.

I changed the "sprintf(sp->name, "%s Neterion %s"" to snprintf(), as
well, even though it can't overflow just to be consistent.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-19 19:42:21 -05:00
David S. Miller
ef5a1ba145 Merge branch 'r8152'
Hayes Wang says:

====================
r8152: couldn't read OCP_SRAM_DATA

Read OCP_SRAM_DATA would read additional bytes and may let
the hw abnormal.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-19 16:16:36 -05:00