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The MMC clock timings were incorrectly calculated, when the conversion
from delay value to delay phase was done.
The 50M DDR and 50M DDR 8bit timings are off, and make eMMC DDR
unusable. Unfortunately it seems different controllers on the same SoC
have different timings. The new settings are taken from mmc2, which is
commonly used with eMMC.
The settings for the slower timing modes seem to work despite being
wrong, so leave them be.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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When IS_ERR_VALUE was removed from the mmc core code, it was replaced
with a simple not-zero check. This does not work, as the value checked
is the return value for mmc_select_bus_width, which returns the set
bit width on success. This made eMMC modes higher than HS-DDR unusable.
Fix this by checking for a positive return value instead.
Fixes: 287980e49ffc ("remove lots of IS_ERR_VALUE abuses")
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Jaehoon Chung <jh80.chung@samsung.com>
Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Git got absolutely destroyed with all our cherry-picking from
drm-intel-next-queued to various branches. It ended up inserting
intel_crtc_page_flip 2x even in intel_display.c.
Backmerge to get back to sanity.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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If @signal_on_any is true the fence array signals if any fence in the array
signals, otherwise it signals when all fences in the array signal.
v2: fix signaled test and add comment suggested by Chris Wilson.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1464786612-5010-4-git-send-email-deathsimple@vodafone.de
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struct fence_array inherits from struct fence and carries a
collection of fences that needs to be waited together.
It is useful to translate a sync_file to a fence to remove the complexity
of dealing with sync_files on DRM drivers. So even if there are many
fences in the sync_file that needs to waited for a commit to happen,
they all get added to the fence_collection and passed for DRM use as
a standard struct fence.
That means that no changes needed to any driver besides supporting fences.
To avoid fence_array's fence allocates a new timeline if needed (when
combining fences from different timelines).
v2: Comments by Daniel Vetter:
- merge fence_collection_init() and fence_collection_add()
- only add callbacks at ->enable_signalling()
- remove fence_collection_put()
- check for type on to_fence_collection()
- adjust fence_is_later() and fence_later() to WARN_ON() if they
are used with collection fences.
v3: - Initialize fence_cb.node at fence init.
Comments by Chris Wilson:
- return "unbound" on fence_collection_get_timeline_name()
- don't stop adding callbacks if one fails
- remove redundant !! on fence_collection_enable_signaling()
- remove redundant () on fence_collection_signaled
- use fence_default_wait() instead
v4 (chk): Rework, simplification and cleanup:
- Drop FENCE_NO_CONTEXT handling, always allocate a context.
- Rename to fence_array.
- Return fixed driver name.
- Register only one callback at a time.
- Document that create function takes ownership of array.
v5 (chk): More work and fixes:
- Avoid deadlocks by adding all callbacks at once again.
- Stop trying to remove the callbacks.
- Provide context and sequence number for the array fence.
v6 (chk): Fixes found during testing
- Fix stupid typo in _enable_signaling().
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
[danvet: Improve commit message as suggested by Gustavo.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1464786612-5010-3-git-send-email-deathsimple@vodafone.de
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Fence contexts are created on the fly (for example) by the GPU scheduler used
in the amdgpu driver as a result of an userspace request. Because of this
userspace could in theory force a wrap around of the 32bit context number
if it doesn't behave well.
Avoid this by increasing the context number to 64bits. This way even when
userspace manages to allocate a billion contexts per second it takes more
than 500 years for the context number to wrap around.
v2: fix printf formats as well.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1464786612-5010-2-git-send-email-deathsimple@vodafone.de
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Fallback drm_atomic_helper_best_encoder() is funcs->best_encoder() is NULL
so that DRM drivers can leave this hook unassigned if they know they want
to use drm_atomic_helper_best_encoder().
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20160601180337.28e0917b@bbrezillon
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Roland Dreier reports that one of his systems cannot boot because of
the changes made by commit ac212b6980d8 (ACPI / processor: Use common
hotplug infrastructure).
The problematic part of it is the request_region() call in
acpi_processor_get_info() that used to run at module init time before
the above commit and now it runs much earlier. Unfortunately, the
region(s) reserved by it fall into a range the PCI subsystem attempts
to reserve for AHCI IO BARs. As a result, the PCI reservation fails
and AHCI doesn't work, while previously the PCI reservation would
be made before acpi_processor_get_info() and it would succeed.
That request_region() call, however, was overlooked by commit
ac212b6980d8, as it is not necessary for the enumeration of the
processors. It only is needed when the ACPI processor driver
actually attempts to handle them which doesn't happen before
loading the ACPI processor driver module. Therefore that call
should have been moved from acpi_processor_get_info() into that
module.
Address the problem by moving the request_region() call in question
out of acpi_processor_get_info() and use the observation that the
region reserved by it is only needed if the FADT-based CPU
throttling method is going to be used, which means that it should
be sufficient to invoke it from acpi_processor_get_throttling_fadt().
Fixes: ac212b6980d8 (ACPI / processor: Use common hotplug infrastructure)
Reported-by: Roland Dreier <roland@purestorage.com>
Tested-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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into drm-next
drm-intel-next-2016-05-22:
- cmd-parser support for direct reg->reg loads (Ken Graunke)
- better handle DP++ smart dongles (Ville)
- bxt guc fw loading support (Nick Hoathe)
- remove a bunch of struct typedefs from dpll code (Ander)
- tons of small work all over to avoid casting between drm_device and the i915
dev struct (Tvrtko&Chris)
- untangle request retiring from other operations, also fixes reset stat corner
cases (Chris)
- skl atomic watermark support from Matt Roper, yay!
- various wm handling bugfixes from Ville
- big pile of cdclck rework for bxt/skl (Ville)
- CABC (Content Adaptive Brigthness Control) for dsi panels (Jani&Deepak M)
- nonblocking atomic commits for plane-only updates (Maarten Lankhorst)
- bunch of PSR fixes&improvements
- untangle our map/pin/sg_iter code a bit (Dave Gordon)
drm-intel-next-2016-05-08:
- refactor stolen quirks to share code between early quirks and i915 (Joonas)
- refactor gem BO/vma funcstion (Tvrtko&Dave)
- backlight over DPCD support (Yetunde Abedisi)
- more dsi panel sequence support (Jani)
- lots of refactoring around handling iomaps, vma, ring access and related
topics culmulating in removing the duplicated request tracking in the execlist
code (Chris & Tvrtko) includes a small patch for core iomapping code
- hw state readout for bxt dsi (Ramalingam C)
- cdclk cleanups (Ville)
- dedupe chv pll code a bit (Ander)
- enable semaphores on gen8+ for legacy submission, to be able to have a direct
comparison against execlist on the same platform (Chris) Not meant to be used
for anything else but performance tuning
- lvds border bit hw state checker fix (Jani)
- rpm vs. shrinker/oom-notifier fixes (Praveen Paneri)
- l3 tuning (Imre)
- revert mst dp audio, it's totally non-functional and crash-y (Lyude)
- first official dmc for kbl (Rodrigo)
- and tons of small things all over as usual
* 'drm-intel-next' of git://anongit.freedesktop.org/drm-intel: (194 commits)
drm/i915: Revert async unpin and nonblocking atomic commit
drm/i915: Update DRIVER_DATE to 20160522
drm/i915: Inline sg_next() for the optimised SGL iterator
drm/i915: Introduce & use new lightweight SGL iterators
drm/i915: optimise i915_gem_object_map() for small objects
drm/i915: refactor i915_gem_object_pin_map()
drm/i915/psr: Implement PSR2 w/a for gen9
drm/i915/psr: Use ->get_aux_send_ctl functions
drm/i915/psr: Order DP aux transactions correctly
drm/i915/psr: Make idle_frames sensible again
drm/i915/psr: Try to program link training times correctly
drm/i915/userptr: Convert to drm_i915_private
drm/i915: Allow nonblocking update of pageflips.
drm/i915: Check for unpin correctness.
Reapply "drm/i915: Avoid stalling on pending flips for legacy cursor updates"
drm/i915: Make unpin async.
drm/i915: Prepare connectors for nonblocking checks.
drm/i915: Pass atomic states to fbc update functions.
drm/i915: Remove reset_counter from intel_crtc.
drm/i915: Remove queue_flip pointer.
...
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git://anongit.freedesktop.org/drm-intel into drm-next
Frist -misc pull for 4.8, with pretty much just random all over plus a few
more lockless gem BO patches acked/reviewed by driver maintainers.
I'm starting a bit earlier this time around because there's a few invasive
patch series to land (nonblocking atomic prep work, fence prep work,
rst/sphinx kerneldoc finally happening) and I need a baseline with all the
branches merged.
* tag 'topic/drm-misc-2016-06-01' of git://anongit.freedesktop.org/drm-intel: (21 commits)
drm/vc4: Use lockless gem BO free callback
drm/vc4: Use drm_gem_object_unreference_unlocked
drm: Initialize a linear gamma table by default
drm/vgem: Use lockless gem BO free callback
drm/qxl: Don't set a gamma table size
drm/msm: Nuke dummy gamma_set/get functions
drm/cirrus: Drop redundnant gamma size check
drm/fb-helper: Remove dead code in setcolreg
drm/mediatek: Use lockless gem BO free callback
drm/hisilicon: Use lockless gem BO free callback
drm/hlcd: Use lockless gem BO free callback
vga_switcheroo: Support deferred probing of audio clients
vga_switcheroo: Add helper for deferred probing
virtio-gpu: fix output lookup
drm/doc: Unify KMS Locking docs
drm/atomic-helper: Do not call ->mode_fixup for CRTC which will be disabled
Fix annoyingly awkward typo in drm_edid_load.c
drm/doc: Drop vblank_disable_allow wording
drm: use seqlock for vblank time/count
drm/mm: avoid possible null pointer dereference
...
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git://git.pengutronix.de/git/pza/linux into drm-fixes
mediatek-drm fixes
- remove an invalid, unreachable error message and NULL pointer dereference
- remove a spurious drm_connector_unregister call from the DSI driver
* tag 'mediatek-drm-fixes-2016-06-01' of git://git.pengutronix.de/git/pza/linux:
drm/mediatek: mtk_dsi: Remove spurious drm_connector_unregister
drm/mediatek: mtk_dpi: remove invalid error message
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The address check in acpi_hw_get_access_bit_width() should be byte width
based, not bit width based. This patch fixes this mistake.
For those who want to review acpi_hw_access_bit_width(), here is the
concerns and the design details of the function:
It is supposed that the GAS Address field should be aligned to the byte
width indicated by the GAS AccessSize field. Similarly, for the old non
GAS register, it is supposed that its Address should be aligned to its
Length.
For the "AccessSize = 0 (meaning ANY)" case, we try to return the maximum
instruction width (64 for MMIO or 32 for PIO) or the user expected access
bit width (64 for acpi_read()/acpi_write() or 32 for acpi_hw_read()/
acpi_hw_write()) and it is supposed that the GAS Address field should
always be aligned to the maximum expected access bit width (otherwise it
can't be accessed using ANY access bit width).
The problem is in acpi_tb_init_generic_address(), where the non GAS
register's Length is converted into the GAS BitWidth field, its Address is
converted into the GAS Address field, and the GAS AccessSize field is left
0 but most of the registers actually cannot be accessed using "ANY"
accesses.
As a conclusion, when AccessSize = 0 (ANY), the Address should either be
aligned to the BitWidth (wrong conversion) or aligned to 32 for PIO or 64
for MMIO (real GAS). Since currently, max_bit_width is 32, then:
1. BitWidth for the wrong conversion is 8,16,32; and
2. The Address of the real GAS should always be aligned to 8,16,32.
The address alignment check to exclude false matched real GAS is not
necessary. Thus this patch fixes the issue by removing the address
alignment check.
On the other hand, we in fact could use a simpler check of
"reg->bit_width < max_bit_width" to exclude the "BitWidth=64 PIO" case that
may be issued from acpi_read()/acpi_write() in the future.
Fixes: b314a172ee96 (ACPICA: Hardware: Add optimized access bit width support)
Reported-and-tested-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Acked-by: Mike Marshall <hubcap@omnibond.com>
Suggested-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The return value of clamp_val() has to be stored actually.
Fixes: b7898fda5bc7 (cpufreq: Support for fast frequency switching)
Reported-by: Steve Muckle <steve.muckle@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
"Here are three pin control fixes for v4.7. Not much, and just driver
fixes:
- add device tree matches to MAINTAINERS
- inversion bug in the Nomadik driver
- dual edge handling bug in the mediatek driver"
* tag 'pinctrl-v4.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: mediatek: fix dual-edge code defect
MAINTAINERS: Add file patterns for pinctrl device tree bindings
pinctrl: nomadik: fix inversion of gpio direction
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git://git.kernel.org/pub/scm/linux/kernel/git/sumits/dma-buf
Pull dma-buf updates from Sumit Semwal:
- use of vma_pages instead of explicit computation
- DocBook and headerdoc updates for dma-buf
* tag 'dma-buf-for-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/sumits/dma-buf:
dma-buf: use vma_pages()
fence: add missing descriptions for fence
doc: update/fixup dma-buf related DocBook
reservation: add headerdoc comments
dma-buf: headerdoc fixes
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if downscaling is enabled plane data rate increases according to scaling
amount. take scaling amount under consideration while calculating plane
data rate
v2: Address Matt's comments, where data rate was overridden because of
missing else.
v3 (by Matt):
- Add braces to 'else' branch to match kernel coding style
- Adjust final calculation now that skl_plane_downscale_amount()
returns 16.16 fixed point value instead of a decimal fixed point
v4 (by Matt):
- Avoid integer overflow by making sure final multiplication is
treated as 64-bit.
Cc: matthew.d.roper@intel.com
Signed-off-by: Kumar, Mahesh <mahesh1.kumar@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Kumar Mahesh <mahesh1.kumar@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1463695381-21368-1-git-send-email-matthew.d.roper@intel.com
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Don't use pipe pixel rate for plane pixel rate. Calculate plane pixel according
to formula
adjusted plane_pixel_rate = adjusted pipe_pixel_rate * downscale ammount
downscale amount = max[1, src_h/dst_h] * max[1, src_w/dst_w]
if 90/270 rotation use rotated width & height
v2: use intel_plane_state->visible instead of (fb == NULL) as per Matt's
comment.
v3 (by Matt):
- Keep downscale amount in 16.16 fixed point rather than converting to
decimal fixed point.
- Store adjusted plane pixel rate in plane state instead of the plane
parameters structure that we no longer use.
v4 (by Matt):
- Significant rebasing onto latest atomic watermark work
- Don't bother storing plane pixel rate in state; just calculate it
right before the calls that make use of it.
- Fix downscale calculations to actually use width values when
computing downscale_w rather than copy/pasted height values.
Cc: matthew.d.roper@intel.com
Signed-off-by: Kumar, Mahesh <mahesh1.kumar@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Kumar Mahesh <mahesh1.kumar@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1463439121-28974-4-git-send-email-matthew.d.roper@intel.com
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don't always use 8 ddb as minimum, instead calculate using proper
algorithm.
v2: optimizations as per Matt's comments.
v3 (by Matt):
- Fix boolean logic for !fb test in skl_ddb_min_alloc()
- Adjust negative tiling format comparisons in skl_ddb_min_alloc() to
improve readability.
v4 (by Matt):
- Rebase onto recent atomic watermark changes
- Slight tweaks to code flow to make the logic more closely match the
description in the bspec.
v5 (by Matt):
- Handle minimum scanline calculation properly for 4 & 8 bpp formats.
8bpp isn't actually possible right now, but it's listed in the bspec
so I've included it here for forward compatibility (similar to how
we have logic for NV12).
v6 (by Matt):
- Calculate plane_bpp correctly for non-NV12 formats. (Mahesh)
Cc: matthew.d.roper@intel.com
Signed-off-by: Kumar, Mahesh <mahesh1.kumar@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Kumar Mahesh <mahesh1.kumar@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1464713939-10440-1-git-send-email-matthew.d.roper@intel.com
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We don't actually read out full plane state during driver startup (only
whether the primary plane is enabled/disabled), so all of the src/dest
rectangles are invalid at this point. However this calculation was
needless anyway since we re-calculate them from scratch on the very
first atomic transaction after boot anyway.
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Kumar Mahesh <mahesh1.kumar@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1463439121-28974-2-git-send-email-matthew.d.roper@intel.com
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Connectors are unregistered by mtk_drm_drv via drm_connector_unregister_all().
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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Do not try to dereference dpi if it is NULL.
Since dpi can never be NULL when mtk_dpi_set_display_mode() is called,
remove the message.
Reported-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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If kmalloc() returned NULL we would end up dereferencing "state" a
couple lines later.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
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Reset crtc->state to NULL after freeing the state object and call
__drm_atomic_helper_crtc_destroy_state() helper instead of manually
calling drm_property_unreference_blob().
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
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If the VBT says that a certain port should be eDP (and hence fused off
from HDMI), but in reality it isn't, we need to try and acquire the HDMI
connection instead. So only trust the VBT edp setting if we can connect
to an eDP device on that port.
Fixes: d2182a6608 (drm/i915: Don't register HDMI connectors for eDP ports on VLV/CHV)
References: https://bugs.freedesktop.org/show_bug.cgi?id=96288
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Tested-by: Phidias Chiang <phidias.chiang@canonical.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1464766070-31623-1-git-send-email-chris@chris-wilson.co.uk
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This reverts the following patches:
d55dbd06bb5e1399aba9ab5227465339d1bbefff drm/i915: Allow nonblocking update of pageflips.
15c86bdb760185e871c7a0f559978328aa500971 drm/i915: Check for unpin correctness.
95c2ccdc82d520f59ae3b6fdc097b63c9b7082bb Reapply "drm/i915: Avoid stalling on pending flips for legacy cursor updates"
a6747b7304a9d66758a196d885dab8bbfa5e7d1f drm/i915: Make unpin async.
03f476e1fcb42fca88fc50b94b0d3adbdbe887f0 drm/i915: Prepare connectors for nonblocking checks.
2099deffef4404f949ba1b68d2b17e0608190bc2 drm/i915: Pass atomic states to fbc update functions.
ee7171af72c39c18b7d7571419a4ac6ca30aea66 drm/i915: Remove reset_counter from intel_crtc.
2ee004f7c59b2e642f0bb2834f847d756f2dd7b7 drm/i915: Remove queue_flip pointer.
b8d2afae557dbb9b9c7bc6f6ec4f5278f3c4c34e drm/i915: Remove use_mmio_flip kernel parameter.
8dd634d922615ec3a9af7976029110ec037f8b50 drm/i915: Remove cs based page flip support.
143f73b3bf48c089b40f58462dd7f7c199fd4f0f drm/i915: Rework intel_crtc_page_flip to be almost atomic, v3.
84fc494b64e8c591be446a966b7447a9db519c88 drm/i915: Add the exclusive fence to plane_state.
6885843ae164e11f6c802209d06921e678a3f3f3 drm/i915: Convert flip_work to a list.
aa420ddd8eeaa5df579894a412289e4d07c2fee9 drm/i915: Allow mmio updates on all platforms, v2.
afee4d8707ab1f21b7668de995be3a5961e83582 Revert "drm/i915: Avoid stalling on pending flips for legacy cursor updates"
"drm/i915: Allow nonblocking update of pageflips" should have been
split up, misses a proper commit message and seems to cause issues in
the legacy page_flip path as demonstrated by kms_flip.
"drm/i915: Make unpin async" doesn't handle the unthrottled cursor
updates correctly, leading to an apparent pin count leak. This is
caught by the WARN_ON in i915_gem_object_do_pin which screams if we
have more than DRM_I915_GEM_OBJECT_MAX_PIN_COUNT pins.
Unfortuantely we can't just revert these two because this patch series
came with a built-in bisect breakage in the form of temporarily
removing the unthrottled cursor update hack for legacy cursor ioctl.
Therefore there's no other option than to revert the entire pile :(
There's one tiny conflict in intel_drv.h due to other patches, nothing
serious.
Normally I'd wait a bit longer with doing a maintainer revert, but
since the minimal set of patches we need to revert (due to the bisect
breakage) is so big, time is running out fast. And very soon
(especially after a few attempts at fixing issues) it'll be really
hard to revert things cleanly.
Lessons learned:
- Not a good idea to rush the review (done by someone fairly new to
the area) and not make sure domain experts had a chance to read it.
- Patches should be properly split up. I only looked at the two
patches that should be reverted in detail, but both look like the
mix up different things in one patch.
- Patches really should have proper commit messages. Especially when
doing more than one thing, and especially when touching critical and
tricky core code.
- Building a patch series and r-b stamping it when it has a built-in
bisect breakage is not a good idea.
- I also think we need to stop building up technical debt by
postponing atomic igt testcases even longer. I think it's clear that
there's enough corner cases in this beast that we really need to
have the testcases _before_ the next step lands.
(cherry picked from commit 5a21b6650a239ebc020912968a44047701104159
from drm-intel-next-queeud)
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Patrik Jakobsson <patrik.jakobsson@linux.intel.com>
Cc: John Harrison <John.C.Harrison@Intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Dave Airlie <airlied@redhat.com>
Acked-by: Jani Nikula <jani.nikula@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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No dev->struct_mutex anywhere to be seen.
Cc: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Carlos Palminha <palminha@synopsys.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1464630800-30786-25-git-send-email-daniel.vetter@ffwll.ch
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No dev->struct_mutex anywhere to be seen.
Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1464630800-30786-24-git-send-email-daniel.vetter@ffwll.ch
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It's an optional hook.
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1464630800-30786-23-git-send-email-daniel.vetter@ffwll.ch
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It's an optional hook.
Cc: Rob Clark <robdclark@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1464630800-30786-22-git-send-email-daniel.vetter@ffwll.ch
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No need to reinvent this little wheel.
v2: Like, try to make it compile even.
Cc: Mark Yao <mark.yao@rock-chips.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1464630800-30786-21-git-send-email-daniel.vetter@ffwll.ch
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With Benjanim's patch to remove the dev->struct_mutex cargo cult the
sti driver is now also entirely legacy locking free. Let's convert it
too.
Cc: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1464630800-30786-20-git-send-email-daniel.vetter@ffwll.ch
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No need to protect debugfs functions with dev->struct_mutex
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1464630800-30786-19-git-send-email-daniel.vetter@ffwll.ch
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No dev->struct_mutex anywhere to be seen.
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: David Airlie <airlied@linux.ie>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1464630800-30786-18-git-send-email-daniel.vetter@ffwll.ch
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No dev->struct_mutex anywhere to be seen.
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1464630800-30786-14-git-send-email-daniel.vetter@ffwll.ch
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No dev->struct_mutex anywhere to be seen.
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1464630800-30786-13-git-send-email-daniel.vetter@ffwll.ch
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No dev->struct_mutex anywhere to be seen.
Cc: Mark Yao <mark.yao@rock-chips.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1464630800-30786-12-git-send-email-daniel.vetter@ffwll.ch
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No dev->struct_mutex anywhere to be seen.
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1464630800-30786-11-git-send-email-daniel.vetter@ffwll.ch
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No dev->struct_mutex anywhere to be seen.
Cc: Dave Airlie <airlied@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1464630800-30786-10-git-send-email-daniel.vetter@ffwll.ch
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No dev->struct_mutex anywhere to be seen.
Cc: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1464630800-30786-9-git-send-email-daniel.vetter@ffwll.ch
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No dev->struct_mutex anywhere to be seen.
Cc: Dave Airlie <airlied@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1464630800-30786-8-git-send-email-daniel.vetter@ffwll.ch
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No dev->struct_mutex anywhere to be seen.
Cc: Jianwei Wang <jianwei.wang.chn@gmail.com>
Cc: Stefan Agner <stefan@agner.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1464630800-30786-7-git-send-email-daniel.vetter@ffwll.ch
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No dev->struct_mutex anywhere to be seen.
Cc: Dave Airlie <airlied@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1464630800-30786-6-git-send-email-daniel.vetter@ffwll.ch
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No dev->struct_mutex anywhere to be seen.
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Dave Airlie <airlied@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1464630800-30786-5-git-send-email-daniel.vetter@ffwll.ch
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No dev->struct_mutex anywhere to be seen.
Cc: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1464630800-30786-4-git-send-email-daniel.vetter@ffwll.ch
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No dev->struct_mutex anywhere to be seen.
Cc: Dave Airlie <airlied@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1464630800-30786-3-git-send-email-daniel.vetter@ffwll.ch
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No dev->struct_mutex anywhere to be seen.
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1464630800-30786-2-git-send-email-daniel.vetter@ffwll.ch
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Pull networking fixes from David Miller:
1) Fix negative error code usage in ATM layer, from Stefan Hajnoczi.
2) If CONFIG_SYSCTL is disabled, the default TTL is not initialized
properly. From Ezequiel Garcia.
3) Missing spinlock init in mvneta driver, from Gregory CLEMENT.
4) Missing unlocks in hwmb error paths, also from Gregory CLEMENT.
5) Fix deadlock on team->lock when propagating features, from Ivan
Vecera.
6) Work around buffer offset hw bug in alx chips, from Feng Tang.
7) Fix double listing of SCTP entries in sctp_diag dumps, from Xin
Long.
8) Various statistics bug fixes in mlx4 from Eric Dumazet.
9) Fix some randconfig build errors wrt fou ipv6 from Arnd Bergmann.
10) All of l2tp was namespace aware, but the ipv6 support code was not
doing so. From Shmulik Ladkani.
11) Handle on-stack hrtimers properly in pktgen, from Guenter Roeck.
12) Propagate MAC changes properly through VLAN devices, from Mike
Manning.
13) Fix memory leak in bnx2x_init_one(), from Vitaly Kuznetsov.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (62 commits)
sfc: Track RPS flow IDs per channel instead of per function
usbnet: smsc95xx: fix link detection for disabled autonegotiation
virtio_net: fix virtnet_open and virtnet_probe competing for try_fill_recv
bnx2x: avoid leaking memory on bnx2x_init_one() failures
fou: fix IPv6 Kconfig options
openvswitch: update checksum in {push,pop}_mpls
sctp: sctp_diag should dump sctp socket type
net: fec: update dirty_tx even if no skb
vlan: Propagate MAC address to VLANs
atm: iphase: off by one in rx_pkt()
atm: firestream: add more reserved strings
vxlan: Accept user specified MTU value when create new vxlan link
net: pktgen: Call destroy_hrtimer_on_stack()
timer: Export destroy_hrtimer_on_stack()
net: l2tp: Make l2tp_ip6 namespace aware
Documentation: ip-sysctl.txt: clarify secure_redirects
sfc: use flow dissector helpers for aRFS
ieee802154: fix logic error in ieee802154_llsec_parse_dev_addr
net: nps_enet: Disable interrupts before napi reschedule
net/lapb: tuse %*ph to dump buffers
...
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- Fixed black screen for some resolutions of G200e rev4
- Fixed testm & testn which had predetermined value.
Reported-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Mathieu Larouche <mathieu.larouche@matrox.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Since the introduction of (struct_mutex) lockless GEM bo freeing, there
are a pair of driver vfuncs for freeing the GEM bo, of which the driver
may choose to only implement driver->gem_object_free_unlocked (and so
avoid taking the struct_mutex along the free path). However, the CMA GEM
helpers were still calling driver->gem_free_object directly, now NULL,
and promptly dying on the fancy new lockless drivers. Oops.
Robert Foss bisected this to b82caafcf2303 (drm/vc4: Use lockless gem BO
free callback) on his vc4 device, but that just serves as an enabler for
9f0ba539d13ae (drm/gem: support BO freeing without dev->struct_mutex).
Reported-by: Robert Foss <robert.foss@collabora.com>
Fixes: 9f0ba539d13ae (drm/gem: support BO freeing without dev->struct_mutex)
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Robert Foss <robert.foss@collabora.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Eric Anholt <eric@anholt.net>
Cc: Alex Deucher <alexdeucher@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: stable@vger.kernel.org
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Tested-by: Robert Foss <robert.foss@collabora.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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After commit 027b3f8ba9277410c3191d72d1ed2c6146d8a668 ("drm/modes: stop
handling framebuffer special") extra fb refs are left around when doing
atomic modesetting.
The problem is that the new drm_property_change_valid_get() does not
return anything in the '**ref' parameter, which causes
drm_property_change_valid_put() to do nothing.
For some reason this doesn't cause problems with legacy API.
Also, previously the code only set the 'ref' variable for fbs, with this
patch the 'ref' is set for all objects.
Fixes: 027b3f8ba927 ("drm/modes: stop handling framebuffer special")
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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