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2016-02-10cifs: remove redundant check for null string pointerColin Ian King
server_RFC1001_name is declared as a RFC1001_NAME_LEN_WITH_NULL sized char array in struct TCP_Server_Info so the null pointer check on server_RFC1001_name is redundant and can be removed. Detected with smatch: fs/cifs/connect.c:2982 ip_rfc1001_connect() warn: this array is probably non-NULL. 'server->server_RFC1001_name' Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Steve French <smfrench@gmail.com>
2016-02-10Merge tag 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma Pull rdma fixes from Doug Ledford: "A few more minor fixes for rc3: - One fix to ipoib - One fix to core sysfs code - Four patches that resolve an oops found in testing of ocrdma and a couple other ocrdma issues" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: RDMA/ocrdma: Fixing ocrdma debugfs directory remove RDMA/ocrdma: Fix pkey_index returned by driver in rq work completion RDMA/ocrdma: populate max_sge_rd in device attributes RDMA/ocrdma: Initialize stats resources in the driver before ib device registration. IB/sysfs: remove unused va_list args IB/IPoIB: Do not set skb truesize since using one linearskb
2016-02-11drm: virtio-gpu: set atomic flagRob Herring
Advertise atomic mode setting capability to user space. Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
2016-02-11drm: virtio-gpu: transfer dumb buffers to host on plane updateRob Herring
For dumb buffers, we need to transfer them to the host when updating a plane. Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
2016-02-11drm: virtio-gpu: ensure plane is flushed to host on atomic updateRob Herring
This fixes drawing updates when updating planes with atomic API. Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
2016-02-11drm: virtio-gpu: get the fb from the plane state for atomic updatesRob Herring
When using the atomic API, plane->fb is not set when calling virtio_gpu_plane_atomic_update. Use plane->state->fb instead. Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
2016-02-11Merge branch 'drm-fixes-4.5' of git://people.freedesktop.org/~agd5f/linux ↵Dave Airlie
into drm-fixes radeon and amdgpu fixes for 4.5. Highlights: - powerplay fixes for amdgpu - race fixes in the sub-allocator in radeon and amdgpu - hibernate fix for amdgpu - fix a possible circular locking in userptr handling in amdgpu * 'drm-fixes-4.5' of git://people.freedesktop.org/~agd5f/linux: (21 commits) drm/amdgpu: fix issue with overlapping userptrs drm/radeon: hold reference to fences in radeon_sa_bo_new drm/amdgpu: remove unnecessary forward declaration drm/amdgpu: hold reference to fences in amdgpu_sa_bo_new (v2) drm/amdgpu: fix s4 resume drm/amdgpu/cz: plumb pg flags through to powerplay drm/amdgpu/tonga: plumb pg flags through to powerplay drma/dmgpu: move cg and pg flags into shared headers drm/amdgpu: remove unused cg defines drm/amdgpu: add a cgs interface to fetch cg and pg flags drm/amd/powerplay/tonga: disable vce pg drm/amd/powerplay/tonga: disable uvd pg drm/amd/powerplay/cz: disable vce pg drm/amd/powerplay/cz: disable uvd pg drm/amdgpu: be consistent with uvd cg flags drm/amdgpu: clean up vce pg flags for cz/st drm/amdgpu: handle vce pg flags properly drm/amdgpu: handle uvd pg flags properly drm/amdgpu/dpm/ci: switch over to the common pcie caps interface drm/amdgpu/cik: don't mess with aspm if gpu is root bus ...
2016-02-11Merge git://linux-arm.org/linux-ld into drm-nextDave Airlie
Pull upstream HDLCD driver. * git://linux-arm.org/linux-ld: MAINTAINERS: Add Liviu Dudau as maintainer for ARM HDLCD driver. drm: Add support for ARM's HDLCD controller.
2016-02-10bpf: fix branch offset adjustment on backjumps after patching ctx expansionDaniel Borkmann
When ctx access is used, the kernel often needs to expand/rewrite instructions, so after that patching, branch offsets have to be adjusted for both forward and backward jumps in the new eBPF program, but for backward jumps it fails to account the delta. Meaning, for example, if the expansion happens exactly on the insn that sits at the jump target, it doesn't fix up the back jump offset. Analysis on what the check in adjust_branches() is currently doing: /* adjust offset of jmps if necessary */ if (i < pos && i + insn->off + 1 > pos) insn->off += delta; else if (i > pos && i + insn->off + 1 < pos) insn->off -= delta; First condition (forward jumps): Before: After: insns[0] insns[0] insns[1] <--- i/insn insns[1] <--- i/insn insns[2] <--- pos insns[P] <--- pos insns[3] insns[P] `------| delta insns[4] <--- target_X insns[P] `-----| insns[5] insns[3] insns[4] <--- target_X insns[5] First case is if we cross pos-boundary and the jump instruction was before pos. This is handeled correctly. I.e. if i == pos, then this would mean our jump that we currently check was the patchlet itself that we just injected. Since such patchlets are self-contained and have no awareness of any insns before or after the patched one, the delta is correctly not adjusted. Also, for the second condition in case of i + insn->off + 1 == pos, means we jump to that newly patched instruction, so no offset adjustment are needed. That part is correct. Second condition (backward jumps): Before: After: insns[0] insns[0] insns[1] <--- target_X insns[1] <--- target_X insns[2] <--- pos <-- target_Y insns[P] <--- pos <-- target_Y insns[3] insns[P] `------| delta insns[4] <--- i/insn insns[P] `-----| insns[5] insns[3] insns[4] <--- i/insn insns[5] Second interesting case is where we cross pos-boundary and the jump instruction was after pos. Backward jump with i == pos would be impossible and pose a bug somewhere in the patchlet, so the first condition checking i > pos is okay only by itself. However, i + insn->off + 1 < pos does not always work as intended to trigger the adjustment. It works when jump targets would be far off where the delta wouldn't matter. But, for example, where the fixed insn->off before pointed to pos (target_Y), it now points to pos + delta, so that additional room needs to be taken into account for the check. This means that i) both tests here need to be adjusted into pos + delta, and ii) for the second condition, the test needs to be <= as pos itself can be a target in the backjump, too. Fixes: 9bac3d6d548e ("bpf: allow extended BPF programs access skb fields") Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-10drm/amd/powerplay: add powerplay valid check to avoid null point.Rex Zhu
In case CONFIG_DRM_AMD_POWERPLAY is defined and amdgpu.powerplay=0. some functions in powrplay can also be called by DAL. and the input parameter is *adev. if just check point not NULL was not enough and will lead to NULL point error. Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amd/powerplay: Enable low mem pstate when cancel_highEric Yang
Signed-off-by: Eric Yang <eric.yang2@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amd/powerplay: Use correct clock in cz_apply_state_adjust_rulesEric Yang
Signed-off-by: Eric Yang <eric.yang2@amd.com> Reviewed-by: Eagle Yeh <eagle.yeh@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amd/powerplay: get real display device num by cgs interfaceRex Zhu
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amd/powerplay: Use engine clock limit calculated by dalVitaly Prosyak
Use min required system clock calculated by dal Signed-off-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amd/powerplay: Make declarations of functions exposed to DAL type-safe.David Rokhvarg
Signed-off-by: David Rokhvarg <David.Rokhvarg@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amd/powerplay: implement functions in carrizo for DAL.Rex Zhu
Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amd/powerplay: export interface to DAL.Rex Zhu
Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amd/powerplay: change struct name.Rex Zhu
amd_pp_dal_clock_info to amd_pp_simple_clock_info. Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amd: Adding IVSRC register headersHarry Wentland
Signed-off-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amdgpu: Move MMIO flip out of spinlocked regionVitaly Prosyak
Prior actual MMIO flip we need to acquire DAL mutex to guard our target state which get modified on reset mode. Assign page flip status before actual flip to handle the possible race condition with interrupt. Signed-off-by: Vitaly Prosyak <vitaly.prosyak@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amdgpu: Don't crash system if we can't get crtcHarry Wentland
Signed-off-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-11drm/msm: add max-freq gpu param to uapiRob Clark
We need this in userspace for interpreting some of the perf ctrs. Note possibly not quite sufficient if we had some frequency mgmt approach other than race-to-idle. Not really sure what the best thing to do if we did. Although displaying results as a percentage of max frequence seems sensible(ish) if we did. Signed-off-by: Rob Clark <robdclark@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2016-02-10Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input updates from Dmitry Torokhov: "Just small driver fixups" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: colibri-vf50-ts - add missing #include <linux/of.h> Input: adp5589 - fix row 5 handling for adp5589 Input: edt-ft5x06 - fix setting gain, offset, and threshold via device tree Input: vmmouse - fix absolute device registration Input: serio - drop warnings in case of EPROBE_DEFER from serio_find_driver() Input: cap11xx - add missing of_node_put Input: sirfsoc-onkey - allow modular build Input: xpad - remove unused function
2016-02-10Merge branch 'for-4.5-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata Pull libata fixes from Tejun Heo: - PORTS_IMPL workaround for very early ahci controllers is misbehaving on new systems. Disabled on recent ahci versions. - Old-style PIO state machine had a horrible locking problem. Don't know how we've been getting away this far. Fixed. - Other device specific updates. * 'for-4.5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: ahci: Intel DNV device IDs SATA libata: fix sff host state machine locking while polling libata-sff: use WARN instead of BUG on illegal host state machine state libata: disable forced PORTS_IMPL for >= AHCI 1.3 libata: blacklist a Viking flash model for MWDMA corruption drivers: ata: wake port before DMA stop for ALPM
2016-02-10Merge branch 'for-4.5-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup Pull cgroup fixes from Tejun Heo: - The destruction path of cgroup objects are asynchronous and multi-staged and some of them ended up destroying parents before children leading to failures in cpu and memory controllers. Ensure that parents are always destroyed after children. - cpuset mm node migration was performed synchronously while holding threadgroup and cgroup mutexes and the recent threadgroup locking update resulted in a possible deadlock. The migration is best effort and shouldn't have been performed under those locks to begin with. Made asynchronous. - Minor documentation fix. * 'for-4.5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: Documentation: cgroup: Fix 'cgroup-legacy' -> 'cgroup-v1' cgroup: make sure a parent css isn't freed before its children cgroup: make sure a parent css isn't offlined before its children cpuset: make mm migration asynchronous
2016-02-10Merge remote-tracking branches 'asoc/fix/rt5659', 'asoc/fix/sigmadsp', ↵Mark Brown
'asoc/fix/simple', 'asoc/fix/wm5110' and 'asoc/fix/wm8960' into asoc-linus
2016-02-10Merge remote-tracking branches 'asoc/fix/imx-spdif', 'asoc/fix/mtk', ↵Mark Brown
'asoc/fix/mxs-saif', 'asoc/fix/qcom' and 'asoc/fix/rt286' into asoc-linus
2016-02-10Merge remote-tracking branches 'asoc/fix/amd', 'asoc/fix/arizona', ↵Mark Brown
'asoc/fix/dpcm', 'asoc/fix/dwc', 'asoc/fix/fsl' and 'asoc/fix/fsl-ssi' into asoc-linus
2016-02-10Merge remote-tracking branch 'asoc/fix/rt5645' into asoc-linusMark Brown
2016-02-10Merge remote-tracking branch 'asoc/fix/intel-kconfig' into asoc-linusMark Brown
2016-02-10Merge remote-tracking branch 'asoc/fix/intel' into asoc-linusMark Brown
2016-02-10Merge remote-tracking branch 'asoc/fix/dapm' into asoc-linusMark Brown
2016-02-10ASoC: arizona: fref must be limited in pseudo-fractional modeRichard Fitzgerald
When the FLL is in pseudo-fractional mode there is an additional limit on fref based on the fratio, to prevent aliasing around the Nyquist frequency. If fref exceeds this limit the refclk divider must be increased and the calculation tried again until a suitable combination of fref and fratio is found or we have to fall back to integer mode. This patch also adds some debug log prints around this code. Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2016-02-10drm/amdgpu: move sync into job objectChristian König
No need to keep that for every IB. Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amdgpu: send VCE IB tests directly to the ring againChristian König
We need the IB test for GPU resets as well and the scheduler should be stoped then. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amdgpu: send UVD IB tests directly to the ring againChristian König
We need the IB test for GPU resets as well and the scheduler should be stoped then. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amdgpu: rename amdgpu_sched.c to amdgpu_job.cChristian König
That's probably a better matching name. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amdgpu: cleanup in kernel job submissionChristian König
Add a job_alloc_with_ib helper and proper job submission. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amdgpu: send SDMA/GFX IB tests directly to the ring againChristian König
There is no point in sending them through the scheduler. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amdgpu: directly return fence from ib_scheduleChristian König
Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amdgpu: move ring from IBs into jobChristian König
We can't submit to multiple rings at the same time anyway. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amdgpu: make pad_ib a ring function v3Christian König
The padding depends on the firmware version and we need that for BO moves as well, not only for VM updates. v2: new approach of making pad_ib a ring function v3: fix typo in macro name Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amdgpu: cleanup user fence handling in the CSChristian König
Don't keep that around twice. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amdgpu: add proper job alloc/free functionsChristian König
And use them in the CS instead of allocating IBs and jobs separately. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amdgpu: fix num_ibs checkChristian König
Specifying no IBs on command submission is invalid, stop crashing badly when somebody tries it. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucer@amd.com> Cc: stable@vger.kernel.org Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amdgpu: remove AMDGPU_NUM_SYNCSChristian König
Just a leftover from semaphores. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amdgpu: remove adev and fence from amdgpu_sync_freeChristian König
Just leftovers from the semaphores. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amdgpu: check userptrs mm earlierChristian König
Instead of when we try to bind it check the usermm when we try to use it in the IOCTLs. Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/radeon: Avoid double gpu reset by adding a timeout on IB ring tests.Matthew Dawson
When the radeon driver resets a gpu, it attempts to test whether all the rings can successfully handle an IB. If these rings fail to respond, the process will wait forever. Another gpu reset can't happen at this point, as the current reset holds a lock required to do so. Instead, make all the IB tests run with a timeout, so the system can attempt to recover in this case. While this doesn't fix the underlying issue with card resets failing, it gives the system a higher chance of recovering. These timeouts have been confirmed to help both a Tathi and Hawaii card recover after a gpu reset. This also adds a new function, radeon_fence_wait_timeout, that behaves like fence_wait_timeout. It is used instead of fence_wait_timeout as it continues to work during a reset. radeon_fence_wait is changed to be implemented using this function. V2: - Changed the timeout to 1s, as the default 10s from radeon_wait_timeout was too long. A timeout of 100ms was tested and found to be too short. - Changed radeon_fence_wait_timeout to behave more like fence_wait_timeout. Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Matthew Dawson <matthew@mjdsystems.ca> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amdgpu/gfx: minor code cleanupAlex Deucher
Drop needless function wrapper. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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