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This was only used for atomic commit these days. So instead just give
atomic it's own work-queue where we can do a block on each bo in turn.
Simplifies things a whole bunch and makes the 'struct fence' conversion
easier.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Better encapsulate the per-timeline stuff into fence-context. For now
there is just a single fence-context, but eventually we'll also have one
per-CRTC to enable fully explicit fencing.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Split up locking and pinning buffers in the submit path. This is needed
because we'll want to insert fencing in between the two steps.
This makes things end up looking more similar to etnaviv submit code
(which was originally modelled on the msm code but has already added
'struct fence' support).
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Since we already track the array of bo's in the submit object, just
unconditionally take and drop ref's per submit (rather than only taking
ref's if bo is not already active). This simplifies later patches.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Signed-off-by: Rob Clark <robdclark@gmail.com>
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This was always the intention, but somehow it was never wired up
properly.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Signed-off-by: Rob Clark <robdclark@gmail.com>
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Signed-off-by: Rob Clark <robdclark@gmail.com>
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In the atomic modesetting path, each driver simply wants to grab a ref
to the exclusive fence from a reservation object to store in the incoming
drm_plane_state, without doing the whole RCU dance. Since each driver
will need to do this, lets make a helper.
v2: rename to _rcu instead of _unlocked to be more consistent
Signed-off-by: Rob Clark <robdclark@gmail.com>
Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
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It is already optional at runtime. But this at least simplifies
backports to kernels without QCOM_SCM.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Don't just free the connector when we get the destroy callback.
Drop a reference to it, and set it's mst_port to NULL so
no more mst work is done on it.
v2: core mst accepts NULLs fine. Cleanup EDID code properly.
v3: drop the extra reference we were taking.
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Take a reference when setting a crtc on a connecter,
also take one when duplicating if a crtc is set,
and drop one on destroy if a crtc is set.
v2: take Daniel Stone's advice and simplify the
ref/unref dances, also take care of NULL as connector
to state reset.
v3: remove need for connector NULL check.
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This just takes a reference on the connector when we set a mode
in the non-atomic paths.
v2: Follow Daniel Stone's suggestions on when to take/drop
references.
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This takes a reference count when fbdev adds the connector,
and drops it when it removes the connector.
It also drops the now unneeded code to find connectors
and remove the from the modeset as they are reference counted.
v2: drop references when removing all connectors at end.
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This uses the previous changes to add reference counts
to drm connector objects.
v2: move fbdev changes to their own patch.
add some kerneldoc
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://anongit.freedesktop.org/drm-intel into drm-next
Ofc I promise just a few leftovers for drm-misc and somehow it's the
biggest pull. But really mostly trivial stuff:
- MAINTAINERS updates from Emil
- rename async to nonblock in atomic_commit to avoid the confusion between
nonblocking ioctl and async flip (= not vblank synced), from Maarten.
Needs to be regened with newer drivers, but probably only after -rc1 to
catch them all.
- actually lockless gem_object_free, plus acked driver conversion patches.
All the trickier prep stuff already is in drm-next.
- Noralf's nice work for generic defio support in our fbdev emulation.
Keeps the udl hack, and qxl is tested by Gerd.
* tag 'topic/drm-misc-2016-05-04' of git://anongit.freedesktop.org/drm-intel: (47 commits)
drm: Fixup locking WARN_ON mistake around gem_object_free_unlocked
drm/etnaviv: Use lockless gem BO free callback
drm/imx: Use lockless gem BO free callback
drm/radeon: Use lockless gem BO free callback
drm/amdgpu: Use lockless gem BO free callback
drm/gem: support BO freeing without dev->struct_mutex
MAINTAINERS: Add myself for the new VC4 (RPi GPU) graphics driver.
MAINTAINERS: Add a bunch of legacy (UMS) DRM drivers
MAINTAINERS: Add a few DRM drivers by Dave Airlie
MAINTAINERS: List the correct git repo for the Renesas DRM drivers
MAINTAINERS: Update the files list for the Renesas DRM drivers
MAINTAINERS: Update the files list for the Armada DRM driver
MAINTAINERS: Update the files list for the Rockchip DRM driver
MAINTAINERS: Update the files list for the Exynos DRM driver
MAINTAINERS: Add maintainer entry for the VMWGFX DRM driver
MAINTAINERS: Add maintainer entry for the MSM DRM driver
MAINTAINERS: Add maintainer entry for the Nouveau DRM driver
MAINTAINERS: Update the files list for the Etnaviv DRM driver
MAINTAINERS: Remove unneded wildcard for the i915 DRM driver
drm/atomic: Add WARN_ON when state->acquire_ctx is not set.
...
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Embarrassingly while fixing up the old paths for i915 I managed to
misplace a locking check for the new _unlocked paths. That's what I
get for not retesting on radeon.
Fixes: 9f0ba539d13a ("drm/gem: support BO freeing without dev->struct_mutex")
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Alex Deucher <alexdeucher@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Tested-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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No dev->struct_mutex anywhere to be seen.
Cc: Christian Gmeiner <christian.gmeiner@gmail.com>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Acked-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1461691808-12414-17-git-send-email-daniel.vetter@ffwll.ch
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No dev->struct_mutex anywhere to be seen.
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1461691808-12414-20-git-send-email-daniel.vetter@ffwll.ch
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No dev->struct_mutex anywhere to be seen.
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1461691808-12414-24-git-send-email-daniel.vetter@ffwll.ch
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No dev->struct_mutex anywhere to be seen.
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1461691808-12414-11-git-send-email-daniel.vetter@ffwll.ch
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Finally all the core gem and a lot of drivers are entirely free of
dev->struct_mutex depencies, and we can start to have an entirely
lockless unref path.
To make sure that no one who touches the core code accidentally breaks
existing drivers which still require dev->struct_mutex I've made the
might_lock check unconditional.
While at it de-inline the ref/unref functions, they've become a bit
too big.
v2: Make it not leak like a sieve.
v3: Review from Lucas:
- drop != NULL in pointer checks.
- fixup copypasted kerneldoc to actually match the functions.
v4:
Add __drm_gem_object_unreference as a fastpath helper for drivers who
abolished dev->struct_mutex, requested by Chris.
v5: Fix silly mistake in drm_gem_object_unreference_unlocked caught by
intel-gfx CI - I checked for gem_free_object instead of
gem_free_object_unlocked ...
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Alex Deucher <alexdeucher@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de> (v3)
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> (v4)
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1462178451-1765-1-git-send-email-daniel.vetter@ffwll.ch
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drm-next
drm-hisilicon-next for 4.7
Add new hisilicon kirin drm driver:
- Add maintainer for hisilicon DRM driver
- Add support for external bridge
- Add designware dsi host driver
- Add designware dsi encoder driver
- Add cma fbdev and hotplug
- Add vblank driver for ADE
- Add plane driver for ADE
- Add crtc driver for ADE
- Add hisilicon kirin drm master driver
- Add device tree binding for hi6220 display subsystem
* tag 'drm-hisilicon-next-2016-04-29' of github.com:xin3liang/linux:
MAINTAINERS: Add maintainer for hisilicon DRM driver
drm/hisilicon: Add support for external bridge
drm/hisilicon: Add designware dsi host driver
drm/hisilicon: Add designware dsi encoder driver
drm/hisilicon: Add cma fbdev and hotplug
drm/hisilicon: Add vblank driver for ADE
drm/hisilicon: Add plane driver for ADE
drm/hisilicon: Add crtc driver for ADE
drm/hisilicon: Add hisilicon kirin drm master driver
drm/hisilicon: Add device tree binding for hi6220 display subsystem
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git://people.freedesktop.org/~gabbayo/linux into drm-next
Here are a few amdkfd patches for 4.7, all of them fixes according to
the Coccinelle tool.
* tag 'drm-amdkfd-next-2016-05-04' of git://people.freedesktop.org/~gabbayo/linux:
amdkfd: Trim unnescessary intermediate err var in kfd_chardev.c
amdkfd: Trim off unnescessary semicolon from kfd_packet_manager.c
amdkfd: Use the canonical form in branch predicates
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https://github.com/markyzq/kernel-drm-rockchip into drm-next
Here are some little fixes for rockchip drm, looks good for me, and seems there is no doubt on them, So I'd like you can land them.
* 'drm-rockchip-next-fixes-05-03' of https://github.com/markyzq/kernel-drm-rockchip:
drm/rockchip: vop: Initialize vskiplines to zero
drm/rockchip: vop: fix iommu crash with async atomic
drm/rockchip: support non-iommu buffer path
drm/rockchip: get rid of rockchip_drm_crtc_mode_config
drm/rockchip: inno_hdmi: fix an error code
drm/rockchip: don't leak iommu mapping
drm/rockchip: remove redundant statement
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git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-next
Summary:
- Support for pipeline clock between KMS drivers.
. Exynos SoC is required to control clocks across KMS drivers
according to Exynos SoC version. So this patch refactos
some relevant codes and provides generic solution for it.
- Add Exynos5433 SoC support to HDMI parts - HDMI and DECON-TV.
- Add HW trigger mode support to CRTC drivers.
. In case of using i80 Panel, some Exynos SoC supports HW trigger
mode so this patch makes trigger mode - HW or SW trigger - to be
set according to SoC version properly.
- And some cleanups and regression fixups.
* 'exynos-drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos: (39 commits)
drm/exynos: clean up register definions for fimd and decon
drm/exynos: decon: clean up interface type
drm/exynos: fimd: add HW trigger support
drm/exynos: clean up wait_for_vblank
drm/exynos: mixer: use generic of_device_get_match_data helper
drm/exynos: mixer: remove support for non-dt platforms
drm/exynos: hdmi: use generic of_device_get_match_data helper
drm/exynos: rotator: use generic of_device_get_match_data helper
drm/exynos: fimd: use generic of_device_get_match_data helper
drm/exynos: dsi: use generic of_device_get_match_data helper
drm/exynos: exynos5433_decon: use generic of_device_get_match_data helper
drm/exynos: convert clock_enable crtc callback to pipeline clock
drm/exynos/mixer: enable HDMI-PHY before configuring MIXER
drm/exynos/decon5433: enable HDMI-PHY before configuring DECON
drm/exynos: add support for pipeline clock to the framework
drm/exynos: add helper to get crtc from pipe
drm/exynos/decon5433: do not protect window in plane disable
drm/exynos/decon5433: reset decon on start
drm/exynos/decon5433: fix DECON standalone update
drm/exynos/hdmi: remove registry dump
...
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drm-next
This pull request brings in DPI panel support, gamma ramp support, and
render nodes for vc4.
* tag 'drm-vc4-next-2016-05-02' of https://github.com/anholt/linux:
drm/vc4: Add missing render node support
drm/vc4: Add support for gamma ramps.
drm/vc4: Fix NULL deref in HDMI init error path
drm/vc4: Add DPI driver
drm: Add an encoder and connector type enum for DPI.
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git://anongit.freedesktop.org/drm-intel into drm-next
- prep work for struct_mutex-less gem_free_object
- more invasive/tricky mst fixes from Lyude for broken hw. I discussed
this with Ville/Jani and we all agreed more soaking in -next would be
real good this late in the -rc cycle. They're cc: stable too to make
sure they're not getting lost. Feel free to cherry-pick those four if
you disagree.
- few small things all over
* tag 'topic/drm-misc-2016-04-29' of git://anongit.freedesktop.org/drm-intel:
drm/atomic: Add missing drm_crtc_internal.h include
drm/dp: Allow signals to interrupt drm_aux-dev reads/writes
drm: Quiet down drm_mode_getresources
drm: Quiet down drm_mode_getconnector
drm: Protect dev->filelist with its own mutex
drm: Make drm_vm_open/close_locked private to drm_vm.c
drm: Hide master MAP cleanup in drm_bufs.c
drm: Forbid legacy MAP functions for DRIVER_MODESET
drm: Push struct_mutex into ->master_destroy
drm: Move drm_getmap into drm_bufs.c and give it a legacy prefix
drm: Put legacy lastclose work into drm_legacy_dev_reinit
drm: Give drm_agp_clear drm_legacy_ prefix
drm/sysfs: Annote lockless show functions with READ_ONCE
MAINTAINERS: Update the files list for the GMA500 DRM driver
drm: rcar-du: Fix compilation warning
drm/i915: Get rid of intel_dp_dpcd_read_wake()
drm/dp_helper: Perform throw-away read before actual read in drm_dp_dpcd_read()
drm/dp_helper: Retry aux transactions on all errors
drm/dp_helper: Always wait before retrying native aux transactions
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git://anongit.freedesktop.org/drm-intel into drm-next
- more userptr cornercase fixes from Chris
- clean up and tune forcewake handling (Tvrtko)
- more underrun fixes from Ville, mostly for ilk to appeas CI
- fix unclaimed register warnings on vlv/chv and enable the debug code to catch
them by default (Ville)
- skl gpu hang fixes for gt3/4 (Mika Kuoppala)
- edram improvements for gen9+ (Mika again)
- clean up gpu reset corner cases (Chris)
- fix ctx/ring machine deaths on snb/ilk (Chris)
- MOCS programming for all engines (Peter Antoine)
- robustify/clean up vlv/chv irq handler (Ville)
- split gen8+ irq handlers into ack/handle phase (Ville)
- tons of bxt rpm fixes (mostly around firmware interactions), from Imre
- hook up panel fitting for dsi panels (Ville)
- more runtime PM fixes all over from Imre
- shrinker polish (Chris)
- more guc fixes from Alex Dai and Dave Gordon
- tons of bugfixes and small polish all over (but with a big focus on bxt)
* tag 'drm-intel-next-2016-04-25' of git://anongit.freedesktop.org/drm-intel: (142 commits)
drm/i915: Update DRIVER_DATE to 20160425
drm/i915/bxt: Explicitly clear the Turbo control register
drm/i915: Correct the i915_frequency_info debugfs output
drm/i915: Macros to convert PM time interval values to microseconds
drm/i915: Make RPS EI/thresholds multiple of 25 on SNB-BDW
drm/i915: Fake HDMI live status
drm/i915/bxt: Force reprogramming a PHY with invalid HW state
drm/i915/bxt: Wait for PHY1 GRC done if PHY0 was already enabled
drm/i915/bxt: Use PHY0 GRC value for HW state verification
drm/i915: use dev_priv directly in gen8_ppgtt_notify_vgt
drm/i915/bxt: Enable DC5 during runtime resume
drm/i915/bxt: Sanitize DC state tracking during system resume
drm/i915/bxt: Don't uninit/init display core twice during system suspend/resume
drm/i915: Inline intel_suspend_complete
drm/i915/kbl: Don't WARN for expected secondary MISC IO power well request
drm/i915: Fix eDP low vswing for Broadwell
drm/i915: check for ERR_PTR from i915_gem_object_pin_map()
drm/i915/guc: local optimisations and updating comments
drm/i915/guc: drop cached copy of 'wq_head'
drm/i915/guc: keep GuC doorbell & process descriptor mapped in kernel
...
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Signed-off-by: Eric Anholt <eric@anholt.net>
[Emil Velikov: drop wildcard, add UAPI and Documentation files]
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1462283659-1314-1-git-send-email-emil.l.velikov@gmail.com
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Pretty much all of these hasn't seen any action singe 2008 at the very
least. Barring the occasional buildfix and DRM-wide refactoring of
course.
Note: some distributions have stopped shipping their userspace
counterparts for a while. Although some still do.
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Almost exclusively done by Dave Airlie.
Explicitly list him as a maintainer and classify them as "Odd Fixes" as I
doubt he's got much time for them these days.
Cc: Dave Airlie <airlied@redhat.com>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1461279842-28695-14-git-send-email-emil.l.velikov@gmail.com
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Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: dri-devel@lists.freedesktop.org
Cc: linux-renesas-soc@vger.kernel.org
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1461279842-28695-10-git-send-email-emil.l.velikov@gmail.com
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Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: dri-devel@lists.freedesktop.org
Cc: linux-renesas-soc@vger.kernel.org
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1461279842-28695-9-git-send-email-emil.l.velikov@gmail.com
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Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1461279842-28695-8-git-send-email-emil.l.velikov@gmail.com
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The location listed is a folder - swap the wildcard with '/'
Cc: Mark Yao <mark.yao@rock-chips.com>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1461279842-28695-6-git-send-email-emil.l.velikov@gmail.com
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Cc: Inki Dae <inki.dae@samsung.com>
Cc: Joonyoung Shim <jy0922.shim@samsung.com>
Cc: Seung-Woo Kim <sw0312.kim@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1461279842-28695-4-git-send-email-emil.l.velikov@gmail.com
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Thomas is one of the original authors of the driver, with recent
contributions from Sinclair and Brian.
v2: Add Sinclair as maintainer. Add Sinclair+Thomas's tree, use
Supported as status.
Cc: Sinclair Yeh <syeh@vmware.com>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Cc: Brian Paul <brianp@vmware.com>
Cc: "VMware Graphics" <linux-graphics-maintainer@vmware.com>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1462230939-26389-1-git-send-email-emil.l.velikov@gmail.com
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Rob and Archit are the main developers behind the driver.
v2: Removing Archit for now, correcting the status and adding
linux-arm-msm@ mailing list.
Cc: Rob Clark <robdclark@gmail.com>
Cc: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Acked-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1462230888-26319-1-git-send-email-emil.l.velikov@gmail.com
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Ben has been the maintainer of the driver even before it got included in
the kernel.
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Dave Airlie <airlied@redhat.com>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Acked-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1461279842-28695-11-git-send-email-emil.l.velikov@gmail.com
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Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Russell King <linux+etnaviv@arm.linux.org.uk>
Cc: Christian Gmeiner <christian.gmeiner@gmail.com>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1461279842-28695-7-git-send-email-emil.l.velikov@gmail.com
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There is no other file but the UAPI header, thus we can drop the
wildcard.
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Acked-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1461279842-28695-3-git-send-email-emil.l.velikov@gmail.com
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When I was writing an atomic wrapper for rmfb, I ran into the
following backtrace from lockdep:
=============================================
[ INFO: possible recursive locking detected ]
4.5.0-patser+ #4696 Tainted: G U
---------------------------------------------
kworker/2:2/2608 is trying to acquire lock:
(crtc_ww_class_mutex){+.+.+.}, at: [<ffffffffc00c9ddc>] drm_modeset_lock+0x7c/0x120 [drm]
but task is already holding lock:
(crtc_ww_class_mutex){+.+.+.}, at: [<ffffffffc00c98cd>] modeset_backoff+0x8d/0x220 [drm]
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(crtc_ww_class_mutex);
lock(crtc_ww_class_mutex);
*** DEADLOCK ***
May be due to missing lock nesting notation
4 locks held by kworker/2:2/2608:
#0: ("events"){.+.+.+}, at: [<ffffffff810a5eea>] process_one_work+0x15a/0x6c0
#1: ((&arg.work)){+.+.+.}, at: [<ffffffff810a5eea>] process_one_work+0x15a/0x6c0
#2: (crtc_ww_class_acquire){+.+.+.}, at: [<ffffffffc004532a>] drm_atomic_helper_remove_fb+0x4a/0x1d0 [drm_kms_helper]
#3: (crtc_ww_class_mutex){+.+.+.}, at: [<ffffffffc00c98cd>] modeset_backoff+0x8d/0x220 [drm]
While lockdep probably catches this bug when it happens, it's better
to explicitly warn when state->acquire_ctx is not set.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1462266751-29123-1-git-send-email-maarten.lankhorst@linux.intel.com
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The fsl dcu now uses the clk-provider interfaces, which are not available
when CONFIG_COMMON_CLK is disabled:
drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c: In function 'fsl_dcu_drm_probe':
drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c:362:20: error: implicit declaration of function '__clk_get_name' [-Werror=implicit-function-declaration]
pix_clk_in_name = __clk_get_name(pix_clk_in);
This adds a Kconfig dependency to prevent the driver from being enabled
in this case.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 2d701449bce1 ("drm/fsl-dcu: use common clock framework for pixel clock divider")
Acked-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1462186839-2224021-1-git-send-email-arnd@arndb.de
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There is a path that use vskiplines with non-initialize.
That would cause vop abnormal behavior.
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
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After async atomic_commit callback, drm_atomic_clean_old_fb will
clean all old fb, but because async, the old fb may be also on
the vop hardware, dma will access the old fb buffer, clean old
fb will cause iommu page fault.
Reference the fb and unreference it when the fb actuall swap out
from vop hardware.
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
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Some rockchip vop not support iommu, need use non-iommu
buffer for it. And if we get iommu issues, we can compare
the issues with non-iommu path, that would help the debug.
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
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We need to take care of the vop status when use
rockchip_drm_crtc_mode_config, if vop is disabled,
the function would failed, that is terrible.
Save output_type and output_mode into rockchip_crtc_state,
it's nice to make them into atomic.
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
Tested-by: John Keeping <john@metanate.com>
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We were accidentally returning PTR_ERR(NULL) which means success when we
wanted to return a negative error code.
Fixes: 412d4ae6b7a5 ('drm/rockchip: hdmi: add Innosilicon HDMI support')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Yakir Yang <ykk@rock-chips.com>
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