| Age | Commit message (Collapse) | Author | Files | Lines |
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If we encounter an allocation failure during ppggt creation (trivial
even with 16Gib+ RAM!), we need to remove the dead context from the
fpriv->context_idr along with the references.
gem_exec_ctx: page allocation failure: order:0, mode:0x8004
CPU: 3 PID: 27272 Comm: gem_exec_ctx Tainted: G W 4.2.0-rc5+ #37
0000000000000000 ffff880086ff7a78 ffffffff816b947a ffff88041ed90038
0000000000008004 ffff880086ff7b08 ffffffff8114b1a5 ffff880086ff7ac8
ffffffff8108d848 0000000000000000 ffffffff81ce84b8 0000000000000000
Call Trace:
[<ffffffff816b947a>] dump_stack+0x45/0x57
[<ffffffff8114b1a5>] warn_alloc_failed+0xd5/0x120
[<ffffffff8108d848>] ? __wake_up+0x48/0x60
[<ffffffff8114e0ed>] __alloc_pages_nodemask+0x73d/0x8e0
[<ffffffffc0472238>] ? i915_gem_execbuffer2+0x148/0x240 [i915]
[<ffffffffc0474240>] __setup_page_dma+0x30/0x110 [i915]
[<ffffffffc0477f61>] gen8_ppgtt_init+0x31/0x2f0 [i915]
[<ffffffffc04785e0>] i915_ppgtt_init+0x30/0x80 [i915]
[<ffffffffc0478928>] i915_ppgtt_create+0x48/0xc0 [i915]
[<ffffffffc046c9c2>] i915_gem_create_context+0x1c2/0x390 [i915]
[<ffffffffc046d9cb>] i915_gem_context_create_ioctl+0x5b/0xa0 [i915]
leading to an oops in i915_gem_context_close. Also note that this
benchmark should not be running out of memory in the first place...
Testcase: igt/benchmark/gem_exec_ctx -b create # ppgtt >= 2
Signed-off-by: Chris Wilson <[email protected]>
Reviewed-by: Mika Kuoppala <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
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The IOMMU for Intel graphics has historically had many issues resulting
in random GPU hangs. Lets include its status when capturing the GPU hang
error state for post-mortem analysis.
Signed-off-by: Chris Wilson <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
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If idle to active bit is set, the rest of the fields
in CSQ are not valid.
Bail out early if this is the case in order to prevent
rest of the loop inspecting stale values.
This was found by Bspec/code inspection. Doesn't seem to fix any of
the known issues.
Signed-off-by: Mika Kuoppala <[email protected]>
Reviewed-by: Arun Siluvery <[email protected]>
[danvet: Add note about how this was found.]
Signed-off-by: Daniel Vetter <[email protected]>
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There is no correspondent Aux channel for DDI-E.
So we need to rely on VBT to let us know witch one
is being used instead.
v2: Removing some trailing spaces and giving proper
credit to Xiong that added a nice way to avoid port
conflicts by setting supports_dp = 0 when using
equivalent aux for DDI-E.
Credits-to: Xiong Zhang <[email protected]>
Signed-off-by: Rodrigo Vivi <[email protected]>
Reviewed-by: Xiong Zhang <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
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DDI-E and DDI-A share 4 the same DDI-A lanes.
Signed-off-by: Rodrigo Vivi <[email protected]>
Reviewed-by: Xiong Zhang <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
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I started digging this when I noticed that the BDW code was just
reserving 1mb by coincidence since it was reading reserved fields.
Then I noticed we didn't have any values set for SNB and earlier, and
that the HSW sizes were wrong. After that, I noticed that the reserved
area has a specific start, and may not exactly end where the stolen
memory ends. I also noticed the base pointer can be zero. So I decided
to just write a single patch fixing everything instead of 20 patches
that would be much harder to review.
This patch may solve random stolen memory corruption/problems on
almost all platforms. Notice that since this is always dealing with
the top of the stolen memory, the problems are not so easy to
reproduce - especially since FBC is still disabled by default.
One of the major differences of this patch is that we now look at both
the size and base address. By only looking at the size we were
assuming that the reserved area was always at the very top of
stolen, which is not always true.
After we merge the patch series that allows user space to allocate
stolen memory we'll be able to write IGT tests that maybe catch the
bugs fixed by this patch.
v2:
- s/BIOS reserved/stolen reserved/g (Chris)
- Don't DRM_ERROR if we can't do anything about it (Chris)
- Improve debug messages (Chris).
- Use the gen7 version instead of gen6 on HSW. Tom found some
documentation problems, so I think with gen7 we're on the safer
side (Tom).
Signed-off-by: Paulo Zanoni <[email protected]>
Reviewed-by: Chris Wilson <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
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This register needs to be updated with masked writes.
This was found by code inspection and comparison with Bspec and
doesn't seem to fix any known issue.
Signed-off-by: Mika Kuoppala <[email protected]>
Reviewed-by: Michel Thierry <[email protected]>
[danvet: Add note about impact.]
Signed-off-by: Daniel Vetter <[email protected]>
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Add WaDisableSbeCacheDispatchPortSharing:skl
Cc: Arun Siluvery <[email protected]>
Signed-off-by: Mika Kuoppala <[email protected]>
Reviewed-by: Arun Siluvery <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
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If we encounter frequent problems with dp aux channel
communications, we end up spamming the dmesg with the
exact similar trace and status.
Inject a new backtrace only if we have new information
to share as otherwise we flush out all other important
stuff.
Signed-off-by: Mika Kuoppala <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
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-EDEADLK has special meaning in atomic, but get_fence may call
i915_find_fence_reg which can return -EDEADLK.
This has special meaning in the atomic world, so convert the error
to -EBUSY for this case.
Changes since v1:
- Add comment in the code.
Signed-off-by: Maarten Lankhorst <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
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The rest will be a noop anyway, since without modeset there will be
no updated dplls and no modeset state to update.
Signed-off-by: Maarten Lankhorst <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
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There are no more users, byebye!
Signed-off-by: Maarten Lankhorst <[email protected]>
Reviewed-by: Ander Conselvan de Oliveira <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
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Now that everything's atomic, checking encoder->base.crtc is enough.
This function doesn't have the locks to dereference crtc->state, but
stealing an encoder bound to any crtc is probably enough reason to warn.
Changes since v1:
- Commit message.
Cc: Ville Syrjälä <[email protected]>
Signed-off-by: Maarten Lankhorst <[email protected]>
Reviewed-by: Ander Conselvan de Oliveira <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
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connectors_active will be removed, so just calculate this instead.
Changes since v1:
- Look for the right pointer in intel_sanitize_encoder.
Signed-off-by: Maarten Lankhorst <[email protected]>
Reviewed-by: Ander Conselvan de Oliveira <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
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This is now done completely atomically.
Keep connectors_active for now, but make it mirror crtc_state->active.
Signed-off-by: Maarten Lankhorst <[email protected]>
Reviewed-by: Ander Conselvan de Oliveira <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
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Instead of allocating pipe_config on the stack use the old
crtc_state, it's only going to freed from this point on.
All crtc' are now only checked once during modeset,
because false positives can happen with encoders after
dpms changes and to limit the amount of errors for 1 failure.
Changes since v1:
- crtc_state -> old_crtc_state
- state -> old_state
Signed-off-by: Maarten Lankhorst <[email protected]>
Reviewed-by: Ander Conselvan de Oliveira <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
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Connectors are updated atomically now, so the only interaction
with the encoder is through base.crtc.
If it's NULL the encoder's not part of any crtc, and if it's
not NULL then active should be equal to crtc_state->active.
Signed-off-by: Maarten Lankhorst <[email protected]>
Reviewed-by: Ander Conselvan de Oliveira <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
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This is handled by the atomic core now, no need to check this for ourself.
Signed-off-by: Maarten Lankhorst <[email protected]>
Reviewed-by: Ander Conselvan de Oliveira <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
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Right now dpms callbacks can still fiddle with the connector state,
but it can only turn connectors off.
This is remediated by only checking crtc->state->active when the
connector is active, and ignore crtc->state->active when the
connector is off.
connectors_active is no longer checked, and will be removed later
in this series together with dpms.
Another check for !encoder->crtc is performed by check_encoder_state
too, so it can be removed.
Changes since v1:
- Add commit message.
- rename state to old_state.
- Move deletion of mst_port check to mst patch.
Changes since v2:
- Fix a null pointer dereference on MST now hw readout is fixed.
Signed-off-by: Maarten Lankhorst <[email protected]>
Reviewed-by: Ander Conselvan de Oliveira <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
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Fully remove the MST connector from the atomic state, and remove the
early returns in check_*_state for MST connectors.
With atomic the state can be made consistent all the time.
Thanks to Sivakumar Thulasimani for the idea of using
drm_atomic_helper_set_config.
Changes since v1:
- Remove the MST check in intel_connector_check_state too.
Changes since v2:
- Use drm_atomic_helper_set_config.
Signed-off-by: Maarten Lankhorst <[email protected]>
Cc: Sivakumar Thulasimani <[email protected]>
Reviewed-by: Sivakumar Thulasimani <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
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First step in removing dpms and validating atomic state.
There can still be a mismatch in the connector state because the dpms
callbacks are still used, but this can not happen immediately after a modeset.
Signed-off-by: Maarten Lankhorst <[email protected]>
Reviewed-by: Ander Conselvan de Oliveira <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
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Set connectors_changed to force a modeset if the panel fitter's force
enabled on eDP.
Changes since v1:
- Use connectors_changed instead of active_changed because it's a
routing update.
Signed-off-by: Maarten Lankhorst <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
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git://people.freedesktop.org/~gabbayo/linux into drm-next
Two small bug fixes for the code you pulled for 4.3:
- Used a SHIFT define instead of a MASK define to check if a bit is turned on
when destroying hqd. Luckily, this is in gfx7 interface file with amdgpu,
which was used only for bring-up purposes of amdgpu, so no real effect on
a running system
- Used a logical AND instead of a bitwise AND operator, when initializing
sdma virtual memory when using SDMA queues
* tag 'drm-amdkfd-next-fixes-2015-08-05' of git://people.freedesktop.org/~gabbayo/linux:
drm/amdkfd: fix bug when initializing sdma vm
drm/amdgpu: fix bug when amdkfd destroys hqd
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http://git.linaro.org/people/benjamin.gaignard/kernel into drm-next
This serie of patches fix minor bugs around how driver sub-components are
bind and planes z-ordering.
The main part is about atomic support: using more atomic helpers allow us
to simplify the code (~300 lines removed) and to ahve a better match between
drm concepts (planes and crtc) and hardware split.
[airlied: fixed up conflict in atomic code]
* 'drm-sti-next-atomic-2015-08-11' of http://git.linaro.org/people/benjamin.gaignard/kernel:
drm/sti: atomic crtc/plane update
drm/sti: rename files and functions
drm/sti: code clean up
drm/sti: fix dynamic z-ordering
drm: sti: fix sub-components bind
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git://anongit.freedesktop.org/drm-intel into drm-next
Final drm-misc pull for 4.3:
- fbdev emulation Kconfig option for everyone thanks to Archit. It's not
everything yet bit this is fairly tricky since it spawns all drivers.
- vgaarb & vgaswitcheroo polish from Thierry
- some drm_irq.c cleanups (Thierry)
- struct_mutex crusade from me
- more fbdev panic handling removal
- various things all over in drm core&helpers
* tag 'topic/drm-misc-2015-08-13' of git://anongit.freedesktop.org/drm-intel: (65 commits)
drm/atomic: Use KMS VBLANK API
drm/irq: Document return values more consistently
drm/irq: Make pipe unsigned and name consistent
drm/irq: Check for valid VBLANK before dereference
drm/irq: Remove negative CRTC index special-case
drm/plane: Remove redundant extern
drm/plane: Use consistent data types for format count
vga_switcheroo: Remove unnecessary checks
vga_switcheroo: Wrap overly long lines
vga_switcheroo: Use pr_fmt()
vga_switcheroo: Cleanup header comment
vga_switcheroo: Use pr_*() instead of printk()
vgaarb: Fix a few checkpatch errors and warnings
vgaarb: Use vgaarb: prefix consistently in messages
vgaarb: Stop complaining about absent devices
drm/atomic: fix null pointer access to mode_fixup callback
drm/i915: Use CONFIG_DRM_FBDEV_EMULATION
drm/core: Set mode to NULL when connectors in a set drops to 0.
drm/atomic: Call ww_acquire_done after check phase is complete
drm/atomic: Paper over locking WARN in default_state_clear
...
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This reverts commit 1addc1264852
This commit seems to cause crashes in gk104_fifo_intr_runlist() by
returning 0xbad0da00 when register 0x2a00 is read. Since this commit was
intended for GM20B which is not completely supported yet, let's revert
it for the time being.
Reported-by: Eric Biggers <[email protected]>
Signed-off-by: Alexandre Courbot <[email protected]>
Tested-by: Afzal Mohammed <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
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This addresses two issues that cause problems with viewperf maya-03 in
situation with memory pressure.
The first issue causes attempts to unreserve buffers if batched
reservation fails due to, for example, a signal pending. While previously
the ttm_eu api was resistant against this type of error, it is no longer
and the lockdep code will complain about attempting to unreserve buffers
that are not reserved. The issue is resolved by avoid calling
ttm_eu_backoff_reservation in the buffer reserve error path.
The second issue is that the binding_mutex may be held when user-space
fence objects are created and hence during memory reclaims. This may cause
recursive attempts to grab the binding mutex. The issue is resolved by not
holding the binding mutex across fence creation and submission.
Signed-off-by: Thomas Hellstrom <[email protected]>
Reviewed-by: Sinclair Yeh <[email protected]>
Cc: <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes
This pull request fixes memory leak and some issues related to
mixer and gscaler driver issues.
* 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos:
drm/exynos/fimc: fix runtime pm support
drm/exynos/mixer: always update INT_EN cache
drm/exynos/mixer: correct vsync configuration sequence
drm/exynos/mixer: fix interrupt clearing
drm/exynos/hdmi: fix edid memory leak
drm/exynos: gsc: fix wrong bitwise operation for swap detection
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Pull ARM fixes from Russell King:
"Another few small ARM fixes, mostly addressing some VDSO issues"
* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
ARM: 8410/1: VDSO: fix coarse clock monotonicity regression
ARM: 8409/1: Mark ret_fast_syscall as a function
ARM: 8408/1: Fix the secondary_startup function in Big Endian case
ARM: 8405/1: VDSO: fix regression with toolchains lacking ld.bfd executable
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Commit 3f5159a9221f ("x86/asm/entry/32: Update -ENOSYS handling to match
the 64-bit logic") broke the ENOSYS handling for the 32-bit compat case.
The proper error return value was never loaded into %rax, except if
things just happened to go through the audit paths, which ended up
reloading the return value.
This moves the loading or %rax into the normal system call path, just to
make sure the error case triggers it. It's kind of sad, since it adds a
useless instruction to reload the register to the fast path, but it's
not like that single load from the stack is going to be noticeable.
Reported-by: David Drysdale <[email protected]>
Tested-by: Kees Cook <[email protected]>
Acked-by: Andy Lutomirski <[email protected]>
Cc: Denys Vlasenko <[email protected]>
Cc: Ingo Molnar <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- two stable fixes for corruption seen in a snapshot of thinp metadata;
metadata snapshots aren't widely used but help provide a consistent
view of the metadata associated with an active thin-pool.
- a dm-cache fix for the 4.2 "default" policy switch from "mq" to "smq"
* tag 'dm-4.2-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm cache policy smq: move 'dm-cache-default' module alias to SMQ
dm btree: add ref counting ops for the leaves of top level btrees
dm thin metadata: delete btrees when releasing metadata snapshot
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Pull xen block driver fixes from Jens Axboe:
"A few small bug fixes for xen-blk{front,back} that have been sitting
over my vacation"
* 'for-linus' of git://git.kernel.dk/linux-block:
xen-blkback: replace work_pending with work_busy in purge_persistent_gnt()
xen-blkfront: don't add indirect pages to list when !feature_persistent
xen-blkfront: introduce blkfront_gather_backend_features()
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen bug fixes from David Vrabel:
- revert a fix from 4.2-rc5 that was causing lots of WARNING spam.
- fix a memory leak affecting backends in HVM guests.
- fix PV domU hang with certain configurations.
* tag 'for-linus-4.2-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/xenbus: Don't leak memory when unmapping the ring on HVM backend
Revert "xen/events/fifo: Handle linked events when closing a port"
x86/xen: build "Xen PV" APIC driver for domU as well
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This reverts commits 9a036b93a344 ("x86/signal/64: Remove 'fs' and 'gs'
from sigcontext") and c6f2062935c8 ("x86/signal/64: Fix SS handling for
signals delivered to 64-bit programs").
They were cleanups, but they break dosemu by changing the signal return
behavior (and removing 'fs' and 'gs' from the sigcontext struct - while
not actually changing any behavior - causes build problems).
Reported-and-tested-by: Stas Sergeev <[email protected]>
Acked-by: Andy Lutomirski <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: [email protected]
Signed-off-by: Linus Torvalds <[email protected]>
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Pull networking fixes from David Miller:
1) Workaround hw bug when acquiring PCI bos ownership of iwlwifi
devices, from Emmanuel Grumbach.
2) Falling back to vmalloc in conntrack should not emit a warning, from
Pablo Neira Ayuso.
3) Fix NULL deref when rtlwifi driver is used as an AP, from Luis
Felipe Dominguez Vega.
4) Rocker doesn't free netdev on device removal, from Ido Schimmel.
5) UDP multicast early sock demux has route handling races, from Eric
Dumazet.
6) Fix L4 checksum handling in openvswitch, from Glenn Griffin.
7) Fix use-after-free in skb_set_peeked, from Herbert Xu.
8) Don't advertize NETIF_F_FRAGLIST in virtio_net driver, this can lead
to fraglists longer than the driver can support. From Jason Wang.
9) Fix mlx5 on non-4k-pagesize systems, from Carol L Soto.
10) Fix interrupt storm in bna driver, from Ivan Vecera.
11) Don't propagate -EBUSY from netlink_insert(), from Daniel Borkmann.
12) Fix inet request sock leak, from Eric Dumazet.
13) Fix TX interrupt masking and marking in TX descriptors of fs_enet
driver, from LEROY Christophe.
14) Get rid of rule optimizer in gianfar driver, it's buggy and unlikely
to get fixed any time soon. From Jakub Kicinski
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (61 commits)
cosa: missing error code on failure in probe()
gianfar: remove faulty filer optimizer
gianfar: correct list membership accounting
gianfar: correct filer table writing
bonding: Gratuitous ARP gets dropped when first slave added
net: dsa: Do not override PHY interface if already configured
net: fs_enet: mask interrupts for TX partial frames.
net: fs_enet: explicitly remove I flag on TX partial frames
inet: fix possible request socket leak
inet: fix races with reqsk timers
mkiss: Fix error handling in mkiss_open()
bnx2x: Free NVRAM lock at end of each page
bnx2x: Prevent null pointer dereference on SKB release
cxgb4: missing curly braces in t4_setup_debugfs()
net-timestamp: Update skb_complete_tx_timestamp comment
ipv6: don't reject link-local nexthop on other interface
netlink: make sure -EBUSY won't escape from netlink_insert
bna: fix interrupts storm caused by erroneous packets
net: mvpp2: replace TX coalescing interrupts with hrtimer
net: mvpp2: enable proper per-CPU TX buffers unmapping
...
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git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp
Pull EDAC fix from Borislav Petkov:
"A ppc4xx_edac fix for accessing ->csrows properly. This driver was
missed during the conversion a couple of years ago"
* tag 'edac_fix_for_4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
EDAC, ppc4xx: Access mci->csrows array elements properly
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Currently mdio bindings are defined in keystone.dtsi and this results
in incorrect unit address for the node on K2E and K2L SoCs. Fix this
by moving them to SoC specific DTS file.
Signed-off-by: Murali Karicheri <[email protected]>
Signed-off-by: Santosh Shilimkar <[email protected]>
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Currently the MDIO clock is pointing to clkpa instead of clkcpgmac.
MDIO is part of the ethss and the clock should be clkcpgmac.
Signed-off-by: Murali Karicheri <[email protected]>
Signed-off-by: Santosh Shilimkar <[email protected]>
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The likelihood of getting a large number of panel drivers from different
vendors is quite high. Add a prefix to the two existing Samsung panel
drivers to set a guideline for future patch submissions. Using vendor
prefixes consistently should allow a cleaner organization of the tree.
Acked-by: Krzysztof Kozlowski <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Fix a NULL pointer exception for omap GPMC bus code if probe fails.
* tag 'omap-for-v4.2/fixes-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
memory: omap-gpmc: Don't try to save uninitialized GPMC context
Signed-off-by: Olof Johansson <[email protected]>
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Now that the PTN3460 driver has been rewritten as a proper I2C driver
and there is infrastructure to hook up the bridge with a DRM device, it
is no longer necessary to have this dependency to ensure the correct
build mode.
Signed-off-by: Thierry Reding <[email protected]>
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The SOR1 introduced on Tegra210 supports HDMI 2.0 and DisplayPort. Add
HDMI support and name the debugfs node after the type of SOR. The SOR
introduced with Tegra124 is known simply as "sor", whereas the
additional SOR found on Tegra210 is known as "sor1".
Signed-off-by: Thierry Reding <[email protected]>
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The SOR found on Tegra210 is very similar to the version found on
Tegra124, except that it no longer supports LVDS.
Signed-off-by: Thierry Reding <[email protected]>
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Move all code into the new canonical ->disable() and ->enable() helper
callbacks so that they play extra nice with atomic DPMS.
Signed-off-by: Thierry Reding <[email protected]>
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In order to restore DPMS with atomic mode-setting, move all code from
the ->mode_set() callback into ->enable(). At the same time, rename the
->prepare() callback to ->disable() to use the names preferred by atomic
mode-setting. This simplifies the calling sequence and will allow DPMS
to use runtime PM in subsequent patches.
Signed-off-by: Thierry Reding <[email protected]>
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In order to restore DPMS with atomic mode-setting, move all code from
the ->mode_set() callback into ->enable(). At the same time, rename the
->prepare() callback to ->disable() to use the names preferred by atomic
mode-setting. This simplifies the calling sequence and will allow DPMS
to use runtime PM in subsequent patches.
Signed-off-by: Thierry Reding <[email protected]>
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In order to restore DPMS with atomic mode-setting, move all code from
the ->mode_set() callback into ->enable(). At the same time, rename the
->prepare() callback to ->disable() to use the names preferred by atomic
mode-setting. This simplifies the calling sequence and will allow DPMS
code to use runtime PM in subsequent patches.
Signed-off-by: Thierry Reding <[email protected]>
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In order to restore DPMS with atomic mode-setting, move all code from
the ->mode_set() callback into ->enable(). At the same time, rename the
->prepare() callback to ->disable() to use the names preferred by atomic
mode-setting. This simplifies the calling sequence and will allow DPMS
code to use runtime PM in subsequent patches.
While at it, remove the enabled field that hasn't been used since the
demidlayering of the output drivers done in preparation for the atomic
mode-setting conversion.
Signed-off-by: Thierry Reding <[email protected]>
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Instead of duplicating most of the code to set up a debugfs file, use
the existing DRM core debugfs infrastructure instead.
Signed-off-by: Thierry Reding <[email protected]>
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The head state registers are per head, so they must be properly indexed.
This has worked fine so far because all boards with eDP use it as the
primary output, so it is very likely to end up attached to head 0.
Signed-off-by: Thierry Reding <[email protected]>
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