wf_unregister_client() increments the client count when a client
unregisters. That is obviously incorrect. Decrement that client count
instead.
Fixes: 75722d3992 ("[PATCH] ppc64: Thermal control for SMU based machines")
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Currently when attaching a context in dedicated mode, we ignore the
result of add_process_element(), which could potentially fail.
If add_process_element() returns an error, pass it back to the caller.
Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Destroy afu->contexts_idr on release of an afu, reclaiming the allocated
memory.
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Acked-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
A precision of 16 (%.16llx) has the same effect as a field width of 16
along with passing the 0 flag (%016llx), but the latter is much more
common in the kernel tree. Update cxl to use that.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Acked-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
C99 says that a precision given as simply '.' with no following digits
or * should be interpreted as 0. The kernel's printf implementation,
however, treats this case as if the precision was omitted. C99 also
says that if both the precision and value are 0, no digits should be
printed. Even if the kernel followed C99 to the letter, I don't think
that would be particularly useful in these cases. For consistency with
most other format strings in the file, use an explicit precision of 16
and add a 0x prefix.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This reverts commit dec4f799d0.
Jörg Otte reports a NULL pointder dereference due to this commit, as
'crtc_state' very much can be NULL:
crtc_state = state->base.state ?
intel_atomic_get_crtc_state(state->base.state, intel_crtc) : NULL;
So the change to test 'crtc_state->base.active' cannot possibly be
correct as-is.
There may be some other minimal fix (like just checking crtc_state for
NULL), but I'm just reverting it now for the rc2 release, and people
like Daniel Vetter who actually know this code will figure out what the
right solution is in the longer term.
Reported-and-bisected-by: Jörg Otte <jrg.otte@gmail.com>
Cc: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
CC: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull MIPS fixes from Ralf Baechle:
"A fair number of 4.2 fixes also because Markos opened the flood gates.
- Patch up the math used calculate the location for the page bitmap.
- The FDC (Not what you think, FDC stands for Fast Debug Channel) IRQ
around was causing issues on non-Malta platforms, so move the code
to a Malta specific location.
- A spelling fix replicated through several files.
- Fix to the emulation of an R2 instruction for R6 cores.
- Fix the JR emulation for R6.
- Further patching of mindless 64 bit issues.
- Ensure the kernel won't crash on CPUs with L2 caches with >= 8
ways.
- Use compat_sys_getsockopt for O32 ABI on 64 bit kernels.
- Fix cache flushing for multithreaded cores.
- A build fix"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MIPS: O32: Use compat_sys_getsockopt.
MIPS: c-r4k: Extend way_string array
MIPS: Pistachio: Support CDMM & Fast Debug Channel
MIPS: Malta: Make GIC FDC IRQ workaround Malta specific
MIPS: c-r4k: Fix cache flushing for MT cores
Revert "MIPS: Kconfig: Disable SMP/CPS for 64-bit"
MIPS: cps-vec: Use macros for various arithmetics and memory operations
MIPS: kernel: cps-vec: Replace KSEG0 with CKSEG0
MIPS: kernel: cps-vec: Use ta0-ta3 pseudo-registers for 64-bit
MIPS: kernel: cps-vec: Replace mips32r2 ISA level with mips64r2
MIPS: kernel: cps-vec: Replace 'la' macro with PTR_LA
MIPS: kernel: smp-cps: Fix 64-bit compatibility errors due to pointer casting
MIPS: Fix erroneous JR emulation for MIPS R6
MIPS: Fix branch emulation for BLTC and BGEC instructions
MIPS: kernel: traps: Fix broken indentation
MIPS: bootmem: Don't use memory holes for page bitmap
MIPS: O32: Do not handle require 32 bytes from the stack to be readable.
MIPS, CPUFREQ: Fix spelling of Institute.
MIPS: Lemote 2F: Fix build caused by recent mass rename.
Pull timer fixes from Thomas Gleixner:
"This update from the timer departement contains:
- A series of patches which address a shortcoming in the tick
broadcast code.
If the broadcast device is not available or an hrtimer emulated
broadcast device, some of the original assumptions lead to boot
failures. I rather plugged all of the corner cases instead of only
addressing the issue reported, so the change got a little larger.
Has been extensivly tested on x86 and arm.
- Get rid of the last holdouts using do_posix_clock_monotonic_gettime()
- A regression fix for the imx clocksource driver
- An update to the new state callbacks mechanism for clockevents.
This is required to simplify the conversion, which will take place
in 4.3"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
tick/broadcast: Prevent NULL pointer dereference
time: Get rid of do_posix_clock_monotonic_gettime
cris: Replace do_posix_clock_monotonic_gettime()
tick/broadcast: Unbreak CONFIG_GENERIC_CLOCKEVENTS=n build
tick/broadcast: Handle spurious interrupts gracefully
tick/broadcast: Check for hrtimer broadcast active early
tick/broadcast: Return busy when IPI is pending
tick/broadcast: Return busy if periodic mode and hrtimer broadcast
tick/broadcast: Move the check for periodic mode inside state handling
tick/broadcast: Prevent deep idle if no broadcast device available
tick/broadcast: Make idle check independent from mode and config
tick/broadcast: Sanity check the shutdown of the local clock_event
tick/broadcast: Prevent hrtimer recursion
clockevents: Allow set-state callbacks to be optional
clocksource/imx: Define clocksource for mx27
Pull libnvdimm fixes from Dan Williams:
"1) Fixes for a handful of smatch reports (Thanks Dan C.!) and minor
bug fixes (patches 1-6)
2) Correctness fixes to the BLK-mode nvdimm driver (patches 7-10).
Granted these are slightly large for a -rc update. They have been
out for review in one form or another since the end of May and were
deferred from the merge window while we settled on the "PMEM API"
for the PMEM-mode nvdimm driver (ie memremap_pmem, memcpy_to_pmem,
and wmb_pmem).
Now that those apis are merged we implement them in the BLK driver
to guarantee that mmio aperture moves stay ordered with respect to
incoming read/write requests, and that writes are flushed through
those mmio-windows and platform-buffers to be persistent on media.
These pass the sub-system unit tests with the updates to
tools/testing/nvdimm, and have received a successful build-report from
the kbuild robot (468 configs).
With acks from Rafael for the touches to drivers/acpi/"
* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/nvdimm:
nfit: add support for NVDIMM "latch" flag
nfit: update block I/O path to use PMEM API
tools/testing/nvdimm: add mock acpi_nfit_flush_address entries to nfit_test
tools/testing/nvdimm: fix return code for unimplemented commands
tools/testing/nvdimm: mock ioremap_wt
pmem: add maintainer for include/linux/pmem.h
nfit: fix smatch "use after null check" report
nvdimm: Fix return value of nvdimm_bus_init() if class_create() fails
libnvdimm: smatch cleanups in __nd_ioctl
sparse: fix misplaced __pmem definition
Pull i2c fixes from Wolfram Sang:
"Mostly slight adjusments for new drivers, but also one core fix for
which finally the dependencies are now available as well"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: Mark instantiated device nodes with OF_POPULATE
i2c: jz4780: Fix return value if probe fails
i2c: xgene-slimpro: Fix missing mbox_free_channel call in probe error path
i2c: I2C_MT65XX should depend on HAS_DMA
Pull input fixes from Dmitry Torokhov:
"A fix (revert) for a recent regression in Synaptics driver and a fix
for Elan i2c touchpad driver"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Revert "Input: synaptics - allocate 3 slots to keep stability in image sensors"
Input: elan_i2c - change the hover event from MT to ST
Pull clk fixes from Stephen Boyd:
"A small set of fixes for problems found by smatch in new drivers that
we added this rc and a handful of driver fixes that came in during the
merge window"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
drivers: clk: st: Incorrect register offset used for lock_status
clk: mediatek: mt8173: Fix enabling of critical clocks
drivers: clk: st: Fix mux bit-setting for Cortex A9 clocks
drivers: clk: st: Add CLK_GET_RATE_NOCACHE flag to clocks
drivers: clk: st: Fix flexgen lock init
drivers: clk: st: Fix FSYN channel values
drivers: clk: st: Remove unused code
clk: qcom: Use parent rate when set rate to pixel RCG clock
clk: at91: do not leak resources
clk: stm32: Fix out-by-one error path in the index lookup
clk: iproc: fix bit manipulation arithmetic
clk: iproc: fix memory leak from clock name
Pull drm fixes from Dave Airlie:
"A bunch of fixes for radeon, intel, omap and one amdkfd fix.
Radeon fixes are all over, but it does fix some cursor corruption
across suspend/resume. i915 should fix the second warn you were
seeing, so let us know if not. omap is a bunch of small fixes"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (28 commits)
drm/radeon: disable vce init on cayman (v2)
drm/amdgpu: fix timeout calculation
drm/radeon: check if BO_VA is set before adding it to the invalidation list
drm/radeon: allways add the VM clear duplicate
Revert "Revert "drm/radeon: dont switch vt on suspend""
drm/radeon: Fold radeon_set_cursor() into radeon_show_cursor()
drm/radeon: unpin cursor BOs on suspend and pin them again on resume (v2)
drm/radeon: Clean up reference counting and pinning of the cursor BOs
drm/amdkfd: validate pdd where it acquired first
Revert "drm/i915: Allocate context objects from stolen"
drm/i915: Declare the swizzling unknown for L-shaped configurations
drm/radeon: fix underflow in r600_cp_dispatch_texture()
drm/radeon: default to 2048 MB GART size on SI+
drm/radeon: fix HDP flushing
drm/radeon: use RCU query for GEM_BUSY syscall
drm/amdgpu: Handle irqs only based on irq ring, not irq status regs.
drm/radeon: Handle irqs only based on irq ring, not irq status regs.
drm/i915: Use crtc_state->active in primary check_plane func
drm/i915: Check crtc->active in intel_crtc_disable_planes
drm/i915: Restore all GGTT VMAs on resume
...
Pull ARM SoC fixes from Kevin Hilman:
"A fairly random colletion of fixes based on -rc1 for OMAP, sunxi and
prima2 as well as a few arm64-specific DT fixes.
This series also includes a late to support a new Allwinner (sunxi)
SoC, but since it's rather simple and isolated to the
platform-specific code, it's included it for this -rc"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
arm64: dts: add device tree for ARM SMM-A53x2 on LogicTile Express 20MG
arm: dts: vexpress: add missing CCI PMU device node to TC2
arm: dts: vexpress: describe all PMUs in TC2 dts
GICv3: Add ITS entry to THUNDER dts
arm64: dts: Add poweroff button device node for APM X-Gene platform
ARM: dts: am4372.dtsi: disable rfbi
ARM: dts: am57xx-beagle-x15: Provide supply for usb2_phy2
ARM: dts: am4372: Add emif node
Revert "ARM: dts: am335x-boneblack: disable RTC-only sleep"
ARM: sunxi: Enable simplefb in the defconfig
ARM: Remove deprecated symbol from defconfig files
ARM: sunxi: Add Machine support for A33
ARM: sunxi: Introduce Allwinner H3 support
Documentation: sunxi: Update Allwinner SoC documentation
ARM: prima2: move to use REGMAP APIs for rtciobrg
ARM: dts: atlas7: add pinctrl and gpio descriptions
ARM: OMAP2+: Remove unnessary return statement from the void function, omap2_show_dma_caps
memory: omap-gpmc: Fix parsing of devices
Pull parisc fixes from Helge Deller:
"We have one important patch from Dave Anglin and myself which fixes
PTE/TLB race conditions which caused random segmentation faults on our
debian buildd servers, and one patch from Alex Ivanov which speeds up
the graphical text console on the STI framebuffer driver"
* 'parisc-4.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Fix some PTE/TLB race conditions and optimize __flush_tlb_range based on timing results
stifb: Implement hardware accelerated copyarea
Pull arm64 fixes and clean-up from Catalin Marinas:
- ACPI fix when checking the validity of the GICC MADT subtable
- handle debug exceptions in the el*_inv exception entries
- remove pointless register assignment in two compat syscall wrappers
- unnecessary include path
- defconfig update
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: entry32: remove pointless register assignment
arm64: entry: handle debug exceptions in el*_inv
arm64: Keep the ARM64 Kconfig selects sorted
ACPI / ARM64 : use the new BAD_MADT_GICC_ENTRY macro
ACPI / ARM64: add BAD_MADT_GICC_ENTRY() macro
arm64: defconfig: Add Ceva ahci to the defconfig
arm64: remove another unnecessary libfdt include path
This patch adds hardware assisted scrolling. The code is based upon the
following investigation: https://parisc.wiki.kernel.org/index.php/NGLE#Blitter
A simple 'time ls -la /usr/bin' test shows 1.6x speed increase over soft
copy and 2.3x increase over FBINFO_READS_FAST (prefer soft copy over
screen redraw) on Artist framebuffer.
Signed-off-by: Alex Ivanov <lausgans@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Pull powerpc fixes from Michael Ellerman:
- opal-prd mmap fix from Vaidy
- set kernel taint for MCEs from Daniel
- alignment exception description from Anton
- ppc4xx_hsta_msi build fix from Daniel
- opal-elog interrupt fix from Alistair
- core_idle_state race fix from Shreyas
- hv-24x7 lockdep fix from Sukadev
- multiple cxl fixes from Daniel, Ian, Mikey & Maninder
- update MAINTAINERS to point at shared tree
* tag 'powerpc-4.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
cxl: Check if afu is not null in cxl_slbia
powerpc: Update MAINTAINERS to point at shared tree
powerpc/perf/24x7: Fix lockdep warning
cxl: Fix off by one error allowing subsequent mmap page to be accessed
cxl: Fail mmap if requested mapping is larger than assigned problem state area
cxl: Fix refcounting in kernel API
powerpc/powernv: Fix race in updating core_idle_state
powerpc/powernv: Fix opal-elog interrupt handler
powerpc/ppc4xx_hsta_msi: Include ppc-pci.h to fix reference to hose_list
powerpc: Add plain English description for alignment exception oopses
cxl: Test the correct mmio space before unmapping
powerpc: Set the correct kernel taint on machine check errors
cxl/vphb.c: Use phb pointer after NULL check
powerpc/powernv: Fix vma page prot flags in opal-prd driver
Add support in the NFIT BLK I/O path for the "latch" flag
defined in the "Get Block NVDIMM Flags" _DSM function:
http://pmem.io/documents/NVDIMM_DSM_Interface_Example.pdf
This flag requires the driver to read back the command register after it
is written in the block I/O path. This ensures that the hardware has
fully processed the new command and moved the aperture appropriately.
Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Wider testing reveals that the Fast Debug Channel (FDC) interrupt is
routed through the GIC just fine on Pistachio SoC, even though it
contains interAptiv cores. Clearly the FDC interrupt routing problems
previously observed on interAptiv and proAptiv cores are specific to the
Malta FPGA bitstreams.
Move the workaround for interAptiv and proAptiv out of
gic_get_c0_fdc_int() in the GIC irqchip driver into Malta's
get_c0_fdc_int() platform callback, to allow the Pistachio SoC to use
the FDC interrupt.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Andrew Bresticker <abrestic@chromium.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: linux-mips@linux-mips.org
Reviewed-by: Andrew Bresticker <abrestic@chromium.org>
Cc: James Hartley <james.hartley@imgtec.com>
Patchwork: http://patchwork.linux-mips.org/patch/9748/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
omapdrm fixes for 4.2
Small fixes for omapdrm, including:
* Fix packed 24 bit color formats
* Ensure the planes are inside the crtc
* Handle out-of-dma-memory error
* tag 'omapdrm-4.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
drm/omap: replace ALIGN(PAGE_SIZE) by PAGE_ALIGN
drm/omap: fix align_pitch() for 24 bits per pixel
drm/omap: fix omap_gem_put_paddr() error handling
drm/omap: fix omap_framebuffer_unpin() error handling
drm/omap: increase DMM transaction timeout
drm/omap: check that plane is inside crtc
drm/omap: return error if dma_alloc_writecombine fails
Pile of fixes for either 4.2 issues or cc: stable. This should fix the 2nd
kind of WARNING Linus's been seeing, please ask him to scream if that's
not the case.
* tag 'drm-intel-fixes-2015-07-09' of git://anongit.freedesktop.org/drm-intel:
Revert "drm/i915: Allocate context objects from stolen"
drm/i915: Declare the swizzling unknown for L-shaped configurations
drm/i915: Use crtc_state->active in primary check_plane func
drm/i915: Check crtc->active in intel_crtc_disable_planes
drm/i915: Restore all GGTT VMAs on resume
drm/i915/chv: fix HW readout of the port PLL fractional divider
A single fix so far for 4.2:
- checking a pointer is not null before using it
* tag 'drm-amdkfd-fixes-2015-07-09' of git://people.freedesktop.org/~gabbayo/linux:
drm/amdkfd: validate pdd where it acquired first
radeon and amdgpu fixes for 4.2. All over the place:
- fix cursor corruption on resume and re-enable no VT switch on suspend
- vblank fixes
- fix gpuvm error messages
- misc other fixes
* 'drm-fixes-4.2' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: disable vce init on cayman (v2)
drm/amdgpu: fix timeout calculation
drm/radeon: check if BO_VA is set before adding it to the invalidation list
drm/radeon: allways add the VM clear duplicate
Revert "Revert "drm/radeon: dont switch vt on suspend""
drm/radeon: Fold radeon_set_cursor() into radeon_show_cursor()
drm/radeon: unpin cursor BOs on suspend and pin them again on resume (v2)
drm/radeon: Clean up reference counting and pinning of the cursor BOs
drm/radeon: fix underflow in r600_cp_dispatch_texture()
drm/radeon: default to 2048 MB GART size on SI+
drm/radeon: fix HDP flushing
drm/radeon: use RCU query for GEM_BUSY syscall
drm/amdgpu: Handle irqs only based on irq ring, not irq status regs.
drm/radeon: Handle irqs only based on irq ring, not irq status regs.
The pointer to an AFU in the adapter's list of AFUs can be null
if we're in the process of removing AFUs. The afu_list_lock
doesn't guard against this.
Say we have 2 slices, and we're in the process of removing cxl.
- We remove the AFUs in order (see cxl_remove). In cxl_remove_afu
for AFU 0, we take the lock, set adapter->afu[0] = NULL, and
release the lock.
- Then we get an slbia. In cxl_slbia we take the lock, and set
afu = adapter->afu[0], which is NULL.
- Therefore our attempt to check afu->enabled will blow up.
Therefore, check if afu is a null pointer before dereferencing it.
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Axtens <dja@axtens.net>
Acked-by: Michael Neuling <mikey@neuling.org>
Acked-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Merge "omap fixes against v4.2-rc1" from Tony Lindgren:
Minor fixes for omaps against v4.2-rc1. Mostly just minor dts changes
except for a GPMC fix to not use names for probing devices. Also a
one liner clean-up to remove unecessary return from a void function.
The summary for the changes being:
- Fix probe for GPMC devices by reoving limitations based on device
name
- Remove unnecessary return from a void function
- Revert beaglebone RTC sleep fix, we now have a better fix merged
- Add am4372 EMIF node to fix a warning
- Add am57xx-beagle-x15 power supply to fix USB2 if USB1 is disabled
- Disable rfbi for am4372 as it does not have a driver
* tag 'omap-for-v4.2/fixes-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: am4372.dtsi: disable rfbi
ARM: dts: am57xx-beagle-x15: Provide supply for usb2_phy2
ARM: dts: am4372: Add emif node
Revert "ARM: dts: am335x-boneblack: disable RTC-only sleep"
ARM: OMAP2+: Remove unnessary return statement from the void function, omap2_show_dma_caps
memory: omap-gpmc: Fix parsing of devices
Merge "Allwinner late changes for 4.2" from Maxime Ripard:
Allwinner late changes for 4.2
A bunch of defconfig changes, and some patches to make the Allwinner H3 and
A33 boot properly.
* tag 'sunxi-late-for-4.2' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
ARM: sunxi: Enable simplefb in the defconfig
ARM: Remove deprecated symbol from defconfig files
ARM: sunxi: Add Machine support for A33
ARM: sunxi: Introduce Allwinner H3 support
Documentation: sunxi: Update Allwinner SoC documentation
Mark (and unmark) device nodes with the POPULATE flag as appropriate.
This is required to avoid multi probing when using I2C and device
overlays containing a mux.
This patch is also more careful with the release of the adapter device
which caused a deadlock with muxes, and does not break the build
on !OF since the node flag accessors are not defined then.
Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Current code returns 0 if fails to read clock-frequency DT property,
fix it. Also add checking return value of clk_prepare_enable and
propagate return value of devm_request_irq.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
The firmware class uevent function accessed the "fw_priv->buf" buffer
without the proper locking and testing for NULL. This is an old bug
(looks like it goes back to 2012 and commit 1244691c73: "firmware
loader: introduce firmware_buf"), but for some reason it's triggering
only now in 4.2-rc1.
Shuah Khan is trying to bisect what it is that causes this to trigger
more easily, but in the meantime let's just fix the bug since others are
hitting it too (at least Ingo reports having seen it as well).
Reported-and-tested-by: Shuah Khan <shuahkh@osg.samsung.com>
Acked-by: Ming Lei <ming.lei@canonical.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Cayman does not have vce. There were a few places in the
shared cayman/TV code where we were trying to do vce stuff.
v2: remove -ENOENT check
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Take a GEM reference for and pin the new cursor BO, unpin and drop the
GEM reference for the old cursor BO in radeon_crtc_cursor_set2, and use
radeon_crtc->cursor_addr in radeon_set_cursor.
This fixes radeon_cursor_reset accidentally incrementing the cursor BO
pin count, and cleans up the code a little.
Cc: stable@vger.kernel.org
Reviewed-by: Grigori Goronzy <greg@chown.ath.cx>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Currently pdd is validate after dereferencing it, which is
not correct, Thus validate pdd before its first use.
Signed-off-by: Maninder Singh <maninder1.s@samsung.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Stolen gets trashed during hibernation, so storing contexts there
is not a very good idea. On my IVB machines this leads to a totally
dead GPU on resume. A reboot is required to resurrect it. So let's
not store contexts where they will get trampled.
This reverts commit 149c86e74f.
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
The old style of memory interleaving swizzled upto the end of the
first even bank of memory, and then used the remainder as unswizzled on
the unpaired bank - i.e. swizzling is not constant for all memory. This
causes problems when we try to migrate memory and so the kernel prevents
migration at all when we detect L-shaped inconsistent swizzling.
However, this issue also extends to userspace who try to manually detile
into memory as the swizzling for an individual page is unknown (it
depends on its physical address only known to the kernel), userspace
cannot correctly swizzle objects.
v2: Mark the global swizzling as unknown rather than adjust the value
reported to userspace.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91105
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Pull power management and ACPI updates from Rafael Wysocki:
"These are fixes on top of the previous PM+ACPI pull requests
(including one fix for a 4.1 regression) and two commits adding
_CLS-based device enumeration support to the ACPI core and the ATA
subsystem that waited for the latest ACPICA changes to be merged.
Specifics:
- Fix for an ACPI resources management regression introduced during
the 4.1 cycle (that unfortunately went into -stable) effectively
reverting the bad commit along with the recent fixups on top of it
and using an alternative approach to address the underlying issue
(Rafael J Wysocki).
- Fix for a memory leak and an incorrect return value in an error
code path in the ACPI LPSS (Low-Power Subsystem) driver (Rafael J
Wysocki).
- Fix for a leftover dangling pointer in an error code path in the
new wakeup IRQ support code (Rafael J Wysocki).
- Fix to prevent infinite loops (due to errors in other places) from
happening in the core generic PM domains support code (Geert
Uytterhoeven).
- Hibernation documentation update/clarification (Uwe Geuder).
- Support for _CLS-based device enumeration in the ACPI core and in
the ATA subsystem (Suravee Suthikulpanit)"
* tag 'pm+acpi-4.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / wakeirq: Avoid setting power.wakeirq too hastily
ata: ahci_platform: Add ACPI _CLS matching
ACPI / scan: Add support for ACPI _CLS device matching
PM / hibernate: clarify resume documentation
PM / Domains: Avoid infinite loops in attach/detach code
ACPI / LPSS: Fix up acpi_lpss_create_device()
ACPI / PNP: Reserve ACPI resources at the fs_initcall_sync stage
The "if (pass_size > buf->total)" can underflow so I have changed the
type of size and pass_size to unsigned to avoid this problem.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Newer ASICs have more VRAM on average and allocating more GART as
well can have advantages. Also see commit edcd26e8.
Ideally, we should scale GART size based on actual VRAM size, but
that requires significant restructuring of initialization.
v2: extract small helper, apply to error paths
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Grigori Goronzy <greg@chown.ath.cx>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This was regressed by commit 39e7f6f8, although I don't know of any
actual issues caused by it.
The storage domain is read without TTM locking now, but the lock
never helped to prevent any races.
Reviewed-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Grigori Goronzy <greg@chown.ath.cx>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
