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version 8:
- move drm_blend.o from drm-y to drm_kms_helper-y to avoid
EXPORT_SYMBOL(drm_atomic_helper_normalize_zpos)
- remove dead function declarations in drm_crtc.h
version 7:
- remove useless EXPORT_SYMBOL()
- better z-order wording in Documentation
version 6:
- add zpos in gpu documentation file
- merge Ville patch about zpos initial value and API improvement.
I have split Ville patch between zpos core and drivers
version 5:
- remove zpos range check and comeback to 0 to N-1
normalization algorithm
version 4:
- make sure that normalized zpos value is stay
in the defined property range and warn user if not
This patch adds support for generic plane's zpos property property with
well-defined semantics:
- added zpos properties to plane and plane state structures
- added helpers for normalizing zpos properties of given set of planes
- well defined semantics: planes are sorted by zpos values and then plane
id value if zpos equals
Normalized zpos values are calculated automatically when generic
muttable zpos property has been initialized. Drivers can simply use
plane_state->normalized_zpos in their atomic_check and/or plane_update
callbacks without any additional calls to DRM core.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Compare to Marek's original patch zpos property is now specific to each
plane and no more to the core.
Normalize function take care of the range of per plane defined range
before set normalized_zpos.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Joonyoung Shim <jy0922.shim@samsung.com>
Cc: Seung-Woo Kim <sw0312.kim@samsung.com>
Cc: Andrzej Hajda <a.hajda@samsung.com>
Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Cc: Gustavo Padovan <gustavo@padovan.org>
Cc: vincent.abriou@st.com
Cc: fabien.dessenne@st.com
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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It's not obvious at first sight that this is a fastpath, make that
clearer with a goto. Fallout from a discussion with Liviu on irc.
v2: Drop bogus hunks that crept in.
v3: Make it compile.
Cc: Liviu.Dudau@arm.com
Acked-by: Liviu.Dudau@arm.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/1465986266-2831-1-git-send-email-daniel.vetter@ffwll.ch
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stall_checks carefully picked out the right commit to stall on, then
promptly used the wrong variable. Due to the break in the next loop
iteration this could be the 3rd commit, or if the list only has 2
entries commit would now point into the struct drm_crtc itself, at
some offset. Hilarity eventually ensues.
For added safety, also break right away instead of iterating once
more, but the real fix is waiting on stall_commit instead of commit.
Reported-and-tested-by: Liviu Dudau <Liviu.Dudau@arm.com>
Cc: Liviu Dudau <Liviu.Dudau@arm.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-by: Liviu Dudau <Liviu.Dudau@arm.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1465926658-10110-1-git-send-email-daniel.vetter@ffwll.ch
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Design ideas:
- split up the actual commit into different phases, and have
completions for each of them. This will be useful for the future
when we want to interleave phases much more aggressively, for e.g.
queue depth > 1. For not it's just a minimal optimization compared
to current common nonblocking implementation patterns from drivers,
which all stall for the entire commit to complete, including vblank
waits and cleanups.
- Extract a separate atomic_commit_hw hook since that's the part most
drivers will need to overwrite, hopefully allowing even more shared
code.
- Enforce EBUSY seamntics by attaching one of the completions to the
flip_done vblank event. Side benefit of forcing atomic drivers using
these helpers to implement event handlign at least semi-correct. I'm
evil that way ;-)
- Ridiculously modular, as usual.
- The main tracking unit for a commit stays struct drm_atomic_state,
and the ownership rules for that are unchanged. Ownership still
gets transferred to the driver (and subsequently to the worker) on
successful commits. What is added is a small, per-crtc, refcounted
structure to track pending commits called struct drm_crtc_commit.
No actual state is attached to that though, it's purely for ordering
and waiting.
- Dependencies are implicitly handled by assuming that any CRTC part
of &drm_atomic_state is a dependency, and that the current commit
must wait for any commits to complete on those CRTC. This way
drivers can easily add more depencies using
drm_atomic_get_crtc_state(), which is very natural since in most
case a dependency exists iff there's some bit of state that needs to
be cross checked.
Removing depencies is not possible, drivers simply need to be
careful to not include every CRTC in a commit if that's not
necessary. Which is a good idea anyway, since that also avoids
ww_mutex lock contention.
- Queue depth > 1 sees some prep work in this patch by adding a stall
paramater to drm_atomic_helper_swap_states(). To be able to push
commits entirely free-standing and in a deeper queue through the
back-end the driver must not access any obj->state pointers. This
means we need to track the old state in drm_atomic_state (much
easier with the consolidated arrays), and pass them all explicitly
to driver backends (this will be serious amounts of churn).
Once that's done stall can be set to false in swap_states.
v2: Dont ask for flip_done signalling when the CRTC is off and stays
off: Drivers don't handle events in that case. Instead complete right
away. This way future commits don't need to have special-case logic,
but can keep blocking for the flip_done completion.
v3: Tons of fixes:
- Stall for preceeding commit for real, not the current one by
accident.
- Add WARN_ON in case drivers don't fire the drm event.
- Don't double-free drm events.
v4: Make legacy cursor not stall.
v5: Extend the helper hook to cover the entire commit tail. Some
drivers need special code for cleanup and vblank waiting, this makes
it a bit more useful. Inspired by the rockchip driver.
v6: Add WARN_ON to catch drivers who forget to send out the
drm event.
v7: Fixup the stalls in swap_state for real!!
v8:
- Fixup trailing whitespace, spotted by Maarten.
- Actually wait for flip_done in cleanup_done, like the comment says
we should do. Thanks a lot for Tomeu for helping with debugging this
on.
v9: Now with awesome kerneldoc!
v10: Split out drm_crtc_commit tracking infrastructure.
v:
- Add missing static (Gustavo).
- Split out the sync functions, only do the actual nonblocking
logic in this patch (Maarten).
Cc: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Tested-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Tomeu Vizoso <tomeu.vizoso@gmail.com>
Cc: Daniel Stone <daniels@collabora.com>
Tested-by: Liviu Dudau <Liviu.Dudau@arm.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Testcase: igt/kms_flip/*
Testcase: igt/kms_cursor*
Testcase: igt/kms*plane*
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465388359-8070-10-git-send-email-daniel.vetter@ffwll.ch
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To facilitate easier reviewing this is split out from the overall
nonblocking commit rework. It just rolls out the helper functions
and uses them in the main drm_atomic_helper_commit() function
to make it clear where in the flow they're used.
The next patch will actually split drm_atomic_helper_commit() into
2 pieces, with the tail being run asynchronously from a worker.
v2: Improve kerneldocs (Maarten).
v3: Don't convert ERESTARTSYS to EINTR (Maarten). Also don't fail if
the wait succeed in stall_check - we need to convert that case (it
returns the remaining jiffies) to 0 for success.
v4: Switch to long for wait_for_completion_timeout return value
everywhere (Maarten).
v5: Fix miscaped function in kerneldoc (Maarten).
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Tested-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Tomeu Vizoso <tomeu.vizoso@gmail.com>
Cc: Daniel Stone <daniels@collabora.com>
Tested-by: Liviu Dudau <Liviu.Dudau@arm.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465398936-22305-1-git-send-email-daniel.vetter@ffwll.ch
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- dev is redundant, we have state->atomic
- add stall parameter, which must be set when swapping needs to stall
for preceeding commits to stop looking at ->state pointers. Currently
all drivers need this to be, just prep work for a glorious future.
v2: Rebased on top of
commit e7cf0963f816fa44190caaf51aeffaa614c340c6
Author: Gerd Hoffmann <kraxel@redhat.com>
Date: Tue May 31 08:50:47 2016 +0200
virtio-gpu: add atomic_commit function
Cc: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1465509992-19284-1-git-send-email-daniel.vetter@ffwll.ch
Link: http://patchwork.freedesktop.org/patch/msgid/1465388359-8070-2-git-send-email-daniel.vetter@ffwll.ch
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kernel-doc wants a : at the end.
Acked-by: jani.nikula@linux.intel.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1465388359-8070-27-git-send-email-daniel.vetter@ffwll.ch
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Adapt drm_pick_crtcs() and update_connector_routing() to fallback to
drm_atomic_helper_best_encoder() if 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().
Update the vtables documentation accordingly.
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/1465300095-16971-2-git-send-email-boris.brezillon@free-electrons.com
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Change return value to int to propagate errors from gamma_set,
and remove start parameter. Updates always use the full size,
and some drivers even ignore the start parameter altogether.
This is needed for atomic drivers, where an atomic commit can
fail with -EINTR or -ENOMEM and should be restarted. This is already
and issue for drm_atomic_helper_legacy_set_gamma, which this patch
fixes up.
Changes since v1:
- Fix compiler warning. (Emil)
- Fix commit message (Daniel)
Cc: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Eric Anholt <eric@anholt.net>
Cc: VMware Graphics <linux-graphics-maintainer@vmware.com>
Cc: Mathieu Larouche <mathieu.larouche@matrox.com>
Cc: Thierry Reding <treding@nvidia.com>
Acked-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
[danvet: Improve commit message a bit more, mention that this fixes
the helper.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/742944bc-9f41-1acb-df4f-0fd4c8a10168@linux.intel.com
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kernel-doc is unhappy, appease it.
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Acked-by: Liviu Dudau <Liviu.Dudau@arm.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1464729075-22243-2-git-send-email-daniel.vetter@ffwll.ch
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It's silly to have 2 mallocs when we could tie these two together.
Also, Gustavo adds another one in his per-crtc out-fence patches. And
I want to add more stuff here for nonblocking commit helpers.
In the future we can use this to store a pointer to the preceeding
state, making an atomic update entirely free-standing. This will be
needed to be able to queue them up with a depth > 1.
Cc: Gustavo Padovan <gustavo@padovan.org>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1464818821-5736-12-git-send-email-daniel.vetter@ffwll.ch
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It's kinda pointless to have 2 separate mallocs for these. And when we
add more per-plane state in the future it's even more pointless.
Right now there's no such thing planned, but both Gustavo's per-crtc
fence patches, and some nonblocking commit helpers I'm playing around
with will add more per-crtc stuff. It makes sense to also consolidate
planes, just for consistency.
In the future we can use this to store a pointer to the preceeding
state, making an atomic update entirely free-standing. This will be
needed to be able to queue them up with a depth > 1.
Cc: Gustavo Padovan <gustavo@padovan.org>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1464818821-5736-11-git-send-email-daniel.vetter@ffwll.ch
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It's kinda pointless to have 2 separate mallocs for these. And when we
add more per-connector state in the future it's even more pointless.
Right now there's no such thing planned, but both Gustavo's per-crtc
fence patches, and some nonblocking commit helpers I'm playing around
with will add more per-crtc stuff. It makes sense to also consolidate
connectors, just for consistency.
In the future we can use this to store a pointer to the preceeding
state, making an atomic update entirely free-standing. This will be
needed to be able to queue them up with a depth > 1.
Cc: Gustavo Padovan <gustavo@padovan.org>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1464818821-5736-10-git-send-email-daniel.vetter@ffwll.ch
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Mostly this is unexpected indents. But really it's just a
demonstration for my patch, all these issues have been found&fixed
using the correct source file and line number support I just added.
All line numbers have been perfectly accurate.
One issue looked a bit fishy in intel_lrc.c, where I don't quite grok
what sphinx is unhappy about. But since that file looks like it has
never seen a proper kernel-doc parser I figured better to fix in a
separate path.
v2: Use fancy new &drm_device->struct_mutex linking (Jani).
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: linux-doc@vger.kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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This avois leaking drm_atomic_state internals into the helpers. The
only place where this still happens after this patch is drm_atomic_helper_swap_state().
It's unavoidable there, and maybe a good indicator we should actually
move that function into drm_atomic.c.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1464818821-5736-2-git-send-email-daniel.vetter@ffwll.ch
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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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When a CRTC is going to be disabled, it's state may contain a display mode
with zeroed content. This could be reproduced by HDMI cable hotplug out
operation with legacy fbdev support in dual display cases. It would confuse
driver's CRTC callback ->mode_fixup and make the total state be rejected.
So, let's don't call the callback for the CRTC.
Signed-off-by: Liu Ying <gnuiyl@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1464341754-7087-1-git-send-email-gnuiyl@gmail.com
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It's unused, and really this helper should only look at the state
structure and nothing else. Note that this conflicts with a patch from
Dave that adds refcounting to drm_connectors. It's not yet clear
whether the check Dave adds for connector != NULL is really needed or
the right check.
v2: Fix commmit message (Laurent).
Cc: Dave Airlie <airlied@gmail.com>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.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/1462804451-15318-3-git-send-email-daniel.vetter@ffwll.ch
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It's unused, and really this helper should only look at the state
structure and nothing else.
v2: Fix commit message (Laurent).
v3: Rebase onto mtk driver merge.
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Eric Anholt <eric@anholt.net>
Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Mark Yao <mark.yao@rock-chips.com>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Eric Anholt <eric@anholt.net>
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/1462804451-15318-2-git-send-email-daniel.vetter@ffwll.ch
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It's unused, and really this helper should only look at the state
structure and nothing else.
v2: Rebase on top of rockchip changes
v3: Drop unrelated hunk, spotted by Laurent.
v4: Rebase onto mtk driver merge.
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Eric Anholt <eric@anholt.net>
Cc: Mark Yao <mark.yao@rock-chips.com>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Eric Anholt <eric@anholt.net>
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/1462804451-15318-1-git-send-email-daniel.vetter@ffwll.ch
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Add (struct drm_connector_helper_funcs *)->best_encoder callback helper
for connectors that support exactly 1 encoder, statically determined at
driver init time.
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1462982962-10530-6-git-send-email-noralf@tronnes.org
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Don't skip drm_bridge_*() calls if encoder->helper_private is NULL.
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1462982962-10530-5-git-send-email-noralf@tronnes.org
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Make drm_encoder_helper_funcs and it's functions optional to avoid
having dummy functions.
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1462454674-2246-3-git-send-email-noralf@tronnes.org
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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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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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Another step in renaming async to nonblocking for atomic commit.
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/1461679905-30177-3-git-send-email-maarten.lankhorst@linux.intel.com
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This is the first step of renaming async commit to nonblocking commit.
The flag passed by userspace is NONBLOCKING, and async has a different
meaning for page flips, where it means as soon as possible.
Fixing up comments in drm core is done manually, to make sure I didn't
miss anything.
For drivers, the following cocci script is used to rename bool async to bool
nonblock:
@@
identifier I =~ "^async";
identifier func;
@@
func(..., bool
- I
+ nonblock
, ...)
{
<...
- I
+ nonblock
...>
}
@@
identifier func;
type T;
identifier I =~ "^async";
@@
T func(..., bool
- I
+ nonblock
, ...);
Thanks to Tvrtko Ursulin for the cocci script.
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
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/1461679905-30177-2-git-send-email-maarten.lankhorst@linux.intel.com
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Random drive-by refactoring I spotted.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Vblank waits timing out is no a normal thing to happen, so let's inform
people when it happens.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1460978973-24945-2-git-send-email-ville.syrjala@linux.intel.com
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git://anongit.freedesktop.org/drm-intel into drm-next
* tag 'topic/drm-misc-2016-04-01' of git://anongit.freedesktop.org/drm-intel:
drm: Add new DCS commands in the enum list
drm: Make uapi headers C89 pendantic compliant
drm/atomic: export drm_atomic_helper_wait_for_fences()
drm: Untangle __KERNEL__ guards
drm: Move DRM_MODE_OBJECT_* to uapi headers
drm: align #include directives with libdrm in uapi headers
drm: Make drm.h uapi header safe for C++
vgacon: dummy implementation for vgacon_text_force
drm/sysfs: Nuke TV/DVI property files
drm/ttm: Remove TTM_HAS_AGP
drm: bridge/dw-hdmi: Remove pre_enable/post_disable dummy funcs
Revert "drm: Don't pass negative delta to ktime_sub_ns()"
drm/atmel: Fixup drm_connector_/unplug/unregister/_all
drm: Rename drm_connector_unplug_all() to drm_connector_unregister_all()
drm: bridge: Make (pre/post) enable/disable callbacks optional
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Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1458342904-23326-3-git-send-email-robdclark@gmail.com
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git://anongit.freedesktop.org/drm-intel into drm-next
Bunch of small fixupes all over. Plus a dma-buf patch that Sumit asked me
to cherry-pick since that's the only one he had in his tree.
There's a sparse issue outstanding in the color mgr stuff, but Lionel is
still working on something that actually appeases sparse.
* tag 'topic/drm-misc-2016-03-22' of git://anongit.freedesktop.org/drm-intel:
dma-buf/fence: fix fence_is_later v2
dma-buf: Update docs for SYNC ioctl
drm: remove excess description
dma-buf, drm, ion: Propagate error code from dma_buf_start_cpu_access()
drm/atmel-hlcdc: use helper to get crtc state
drm/atomic: use helper to get crtc state
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git://anongit.freedesktop.org/drm-intel into drm-next
* tag 'topic/drm-misc-2016-03-14' of git://anongit.freedesktop.org/drm-intel: (27 commits)
drm: atomic helper: do not unreference error pointer
drm/edid: Extract SADs properly from multiple audio data blocks
drm: fix blob pointer check
drm: introduce pipe color correction properties
drm/atomic: Clean up update_connector_routing.
drm/atomic: Clean up steal_encoder, v2.
drm/atomic: Handle encoder assignment conflicts in a separate check, v3.
drm/atomic: Handle encoder stealing from set_config better.
drm/atomic: Always call steal_encoder, v2.
drm/ast: removed optional dummy crtc mode_fixup function.
drm/bochs: removed optional dummy crtc mode_fixup function.
drm/fsl-dcu: removed optional dummy crtc mode_fixup function.
drm/virtio: removed optional dummy crtc mode_fixup function.
drm/nouveau/dispnv04: removed optional dummy crtc mode_fixup function.
drm/atmel-hlcdc: remove optional dummy crtc mode_fixup function.
drm/sti: removed optional dummy crtc mode_fixup function.
drm/shmobile: removed optional dummy crtc mode_fixup function.
drm/msm/mdp: removed optional dummy crtc mode_fixup function.
drm/omapdrm: removed optional dummy crtc mode_fixup function.
drm/rcar-du: removed optional dummy crtc mode_fixup function.
...
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DRM core provide helper to access crtc state.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1458045960-25193-1-git-send-email-a.hajda@samsung.com
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Nouveau wanted this to avoid some worse conflicts when I merge that.
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562c5b4d8986 didn't quite fix the issue of dealing with an error
pointer. We can't free/unref an error pointer so reset it to NULL.
Many thanks to Dan Carpenter for pointing this out again.
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Daniel Stone <daniels@collabora.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: dri-devel@lists.freedesktop.org
Fixes: 562c5b4d8986 ("drm: fix blob pointer check")
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1457698646-22231-1-git-send-email-lionel.g.landwerlin@intel.com
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Check properly that the allocated blob's pointer is valid.
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Daniel Stone <daniels@collabora.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Daniel Stone <daniels@collabora.com>
Fixes: 5488dc16fde7 ("drm: introduce pipe color correction properties")
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1457611461-9116-1-git-send-email-lionel.g.landwerlin@intel.com
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Patch based on a previous series by Shashank Sharma.
This introduces optional properties to enable color correction at the
pipe level. It relies on 3 transformations applied to every pixels
displayed. First a lookup into a degamma table, then a multiplication
of the rgb components by a 3x3 matrix and finally another lookup into
a gamma table.
The following properties can be added to a pipe :
- DEGAMMA_LUT : blob containing degamma LUT
- DEGAMMA_LUT_SIZE : number of elements in DEGAMMA_LUT
- CTM : transformation matrix applied after the degamma LUT
- GAMMA_LUT : blob containing gamma LUT
- GAMMA_LUT_SIZE : number of elements in GAMMA_LUT
DEGAMMA_LUT_SIZE and GAMMA_LUT_SIZE are read only properties, set by
the driver to tell userspace applications what sizes should be the
lookup tables in DEGAMMA_LUT and GAMMA_LUT.
A helper is also provided so legacy gamma correction is redirected
through these new properties.
v2: Register LUT size properties as range
v3: Fix round in drm_color_lut_get_value() helper
More docs on how degamma/gamma properties are used
v4: Update contributors
v5: Rename CTM_MATRIX property to CTM (Doh!)
Add legacy gamma_set atomic helper
Describe CTM/LUT acronyms in the kernel doc
v6: Fix missing blob unref in drm_atomic_helper_crtc_reset
Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Kumar, Kiran S <kiran.s.kumar@intel.com>
Signed-off-by: Kausal Malladi <kausalmalladi@gmail.com>
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Acked-by: Rob Bradford <robert.bradford@intel.com>
[danvet: CrOS maintainers are also happy with the userspacde side:
https://codereview.chromium.org/1182063002/ ]
Reviewed-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1456506302-640-4-git-send-email-lionel.g.landwerlin@intel.com
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connector_state->crtc can no longer be unset by accident,
so that check can be removed. The other code open-codes
drm_atomic_get_existing_crtc_state, so use that.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
[danvet: Resolve tiny conflict due to gcc warning fix on previous
patch.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Now that only encoders can be stolen that are part of the state
steal_encoder no longer needs to inspect all connectors,
just those that are part of the atomic state.
Changes since v1:
- Change return value to void, can no longer fail.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
[danvet: Appease gcc, reported by kbuild.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1456996662-8704-7-git-send-email-maarten.lankhorst@linux.intel.com
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The current check doesn't handle the case where we don't steal an
encoder, but keep it on the current connector. If we repurpose
disable_conflicting_encoders to do the checking, we just have
to reject the ones that conflict.
Changes since v1:
- Return early with empty encoder_mask, drm_for_each_connector
requires connection_mutex held.
Changes since v2:
- Add comments for the loops.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Testcase: kms_setmode.invalid-clone-single-crtc-stealing
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1456996662-8704-6-git-send-email-maarten.lankhorst@linux.intel.com
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Instead of failing with -EINVAL when conflicting encoders are found,
the legacy set_config will disable other connectors when encoders
conflict.
With the previous commit this becomes a lot easier to implement.
set_config only adds connectors to the state that are modified,
and because of the previous commit that calls add_affected_connectors
only on set->crtc it means any connector not part of the modeset can
be stolen from. We disable the connector in that case, and possibly
the crtc if required.
Atomic modeset itself still doesn't allow encoder stealing, the results
would be too unpredictable.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1456996662-8704-5-git-send-email-maarten.lankhorst@linux.intel.com
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There's no need to have a separate function to get the crtc
which is stolen, this can already be found when actually
stealing the encoder.
drm_for_each_connector already checks for connection_mutex, so
use that macro now.
Changes since v1:
- Do not check for NULL crtc in connector_state,
this may happen when a crtc is disabled and its encoder stolen.
- Because of this, use connector->state->crtc instead of conn_state->crtc.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1456996662-8704-4-git-send-email-maarten.lankhorst@linux.intel.com
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Minor cleanup, connector and connector_state are always non-NULL here.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1456303053-28806-3-git-send-email-maarten.lankhorst@linux.intel.com
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With the addition of crtc_state->connector_mask other connectors from
different crtc's aren't needed any more to determine if a crtc has
connectors, so only call add_affected_connectors on the target crtc.
This allows a cleanup to first remove all current connectors, then
add all set->connectors to the target crtc.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1456303053-28806-2-git-send-email-maarten.lankhorst@linux.intel.com
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Because we record connector_mask using 1 << drm_connector_index now
the connector_mask should stay the same even when other connectors
are removed. This was not the case with MST, in that case when removing
a connector all other connectors may change their index.
This is fixed by waiting until the first get_connector_state to allocate
connector_state, and force reallocation when state is too small.
As a side effect connector arrays no longer have to be preallocated,
and can be allocated on first use which means a less allocations in
the page flip only path.
Changes since v1:
- Whitespace. (Ville)
- Call ida_remove when destroying the connector. (Ville)
- u32 alloc -> int. (Ville)
Fixes: 14de6c44d149 ("drm/atomic: Remove drm_atomic_connectors_for_crtc.")
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Lyude <cpaul@redhat.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This allows iteration over encoders without requiring connection_mutex.
Changes since v1:
- Add a set_best_encoder helper function and update encoder_mask inside
it.
Changes since v2:
- Relax the WARN_ON(!crtc), with explanation.
- Call set_best_encoder when connector is moved between crtc's.
- Add some paranoia to steal_encoder to prevent accidentally setting
best_encoder to NULL.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/56AA200A.6070501@linux.intel.com
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While we steal the encoder away from the connector the connector may
be updated to use a different encoder.
Without this change if 2 connectors swap encoders one of them will
end up without a crtc.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1452160762-30487-5-git-send-email-maarten.lankhorst@linux.intel.com
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git://anongit.freedesktop.org/drm-intel into drm-next
First drm-misc pull req for 4.6. Big one is the drm_event cleanup, which
is also prep work for adding android fence support to kms (Gustavo is
planning to do that). Otherwise random small bits all over.
* tag 'topic/drm-misc-2016-02-08' of git://anongit.freedesktop.org/drm-intel: (33 commits)
gma500: clean up an excessive and confusing helper
drm/gma500: remove helper function
drm/vmwgfx: Nuke preclose hook
drm/vc4: Nuke preclose hook
drm/tilcdc: Nuke preclose hook
drm/tegra: Stop cancelling page flip events
drm/shmob: Nuke preclose hook
drm/rcar: Nuke preclose hook
drm/omap: Nuke close hooks
drm/msm: Nuke preclose hooks
drm/imx: Unconfuse preclose logic
drm/exynos: Remove event cancelling from postclose
drm/atmel: Nuke preclose
drm/i915: Nuke intel_modeset_preclose
drm: Nuke vblank event file cleanup code
drm: Clean up pending events in the core
drm/vblank: Use drm_event_reserve_init
drm/vmwgfx: fix a NULL dereference
drm/crtc-helper: Add caveat to disable_unused_functions doc
drm/gma500: Remove empty preclose hook
...
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The Rockchip driver cannot use drm_atomic_helper_wait_for_vblanks()
because it has hardware counters for neither vblanks nor scanlines.
In order to simplify re-implementing the functionality for this driver,
export the framebuffer_changed() helper so it can be reused.
Signed-off-by: John Keeping <john@metanate.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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