| Age | Commit message (Collapse) | Author |
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Pull drm updates from Dave Airlie:
"Core:
- shared fencing staging removal
- drop transactional atomic helpers and move helpers to new location
- DP/MST atomic cleanup
- Leasing cleanups and drop EXPORT_SYMBOL
- Convert drivers to atomic helpers and generic fbdev.
- removed deprecated obj_ref/unref in favour of get/put
- Improve dumb callback documentation
- MODESET_LOCK_BEGIN/END helpers
panels:
- CDTech panels, Banana Pi Panel, DLC1010GIG,
- Olimex LCD-O-LinuXino, Samsung S6D16D0, Truly NT35597 WQXGA,
- Himax HX8357D, simulated RTSM AEMv8.
- GPD Win2 panel
- AUO G101EVN010
vgem:
- render node support
ttm:
- move global init out of drivers
- fix LRU handling for ghost objects
- Support for simultaneous submissions to multiple engines
scheduler:
- timeout/fault handling changes to help GPU recovery
- helpers for hw with preemption support
i915:
- Scaler/Watermark fixes
- DP MST + powerwell fixes
- PSR fixes
- Break long get/put shmemfs pages
- Icelake fixes
- Icelake DSI video mode enablement
- Engine workaround improvements
amdgpu:
- freesync support
- GPU reset enabled on CI, VI, SOC15 dGPUs
- ABM support in DC
- KFD support for vega12/polaris12
- SDMA paging queue on vega
- More amdkfd code sharing
- DCC scanout on GFX9
- DC kerneldoc
- Updated SMU firmware for GFX8 chips
- XGMI PSP + hive reset support
- GPU reset
- DC trace support
- Powerplay updates for newer Polaris
- Cursor plane update fast path
- kfd dma-buf support
virtio-gpu:
- add EDID support
vmwgfx:
- pageflip with damage support
nouveau:
- Initial Turing TU104/TU106 modesetting support
msm:
- a2xx gpu support for apq8060 and imx5
- a2xx gpummu support
- mdp4 display support for apq8060
- DPU fixes and cleanups
- enhanced profiling support
- debug object naming interface
- get_iova/page pinning decoupling
tegra:
- Tegra194 host1x, VIC and display support enabled
- Audio over HDMI for Tegra186 and Tegra194
exynos:
- DMA/IOMMU refactoring
- plane alpha + blend mode support
- Color format fixes for mixer driver
rcar-du:
- R8A7744 and R8A77470 support
- R8A77965 LVDS support
imx:
- fbdev emulation fix
- multi-tiled scalling fixes
- SPDX identifiers
rockchip
- dw_hdmi support
- dw-mipi-dsi + dual dsi support
- mailbox read size fix
qxl:
- fix cursor pinning
vc4:
- YUV support (scaling + cursor)
v3d:
- enable TFU (Texture Formatting Unit)
mali-dp:
- add support for linear tiled formats
sun4i:
- Display Engine 3 support
- H6 DE3 mixer 0 support
- H6 display engine support
- dw-hdmi support
- H6 HDMI phy support
- implicit fence waiting
- BGRX8888 support
meson:
- Overlay plane support
- implicit fence waiting
- HDMI 1.4 4k modes
bridge:
- i2c fixes for sii902x"
* tag 'drm-next-2018-12-14' of git://anongit.freedesktop.org/drm/drm: (1403 commits)
drm/amd/display: Add fast path for cursor plane updates
drm/amdgpu: Enable GPU recovery by default for CI
drm/amd/display: Fix duplicating scaling/underscan connector state
drm/amd/display: Fix unintialized max_bpc state values
Revert "drm/amd/display: Set RMX_ASPECT as default"
drm/amdgpu: Fix stub function name
drm/msm/dpu: Fix clock issue after bind failure
drm/msm/dpu: Clean up dpu_media_info.h static inline functions
drm/msm/dpu: Further cleanups for static inline functions
drm/msm/dpu: Cleanup the debugfs functions
drm/msm/dpu: Remove dpu_irq and unused functions
drm/msm: Make irq_postinstall optional
drm/msm/dpu: Cleanup callers of dpu_hw_blk_init
drm/msm/dpu: Remove unused functions
drm/msm/dpu: Remove dpu_crtc_is_enabled()
drm/msm/dpu: Remove dpu_crtc_get_mixer_height
drm/msm/dpu: Remove dpu_dbg
drm/msm: dpu: Remove crtc_lock
drm/msm: dpu: Remove vblank_requested flag from dpu_crtc
drm/msm: dpu: Separate crtc assignment from vblank enable
...
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This patch sprinkles a few async/legacy_cursor_update checks
through commit to ensure that cursor updates aren't blocked on vsync.
There are 2 main components to this, the first is that we don't want to
wait_for_commit_done in msm_atomic before returning from atomic_complete.
The second is that in dpu we don't want to wait for frame_done events when
updating the cursor.
Changes in v2:
- None
Reviewed-by: Jeykumar Sankaran <jsanka@codeaurora.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Similar to the atomic helpers, we should enable vblank while we're
waiting for the commit to finish. DPU needs this, MDP5 seems to work
fine without it.
Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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This leaves all the commit/check and state handling in drm_atomic.c,
while pulling all the uapi glue and the huge ioctl itself into a
seprate file.
This seems to almost perfectly split the rather big drm_atomic.c file
into 2 equal sizes.
Also adjust the kerneldoc and type a very terse overview text.
v2: Rebase.
v3: Fix tiny typo.
v4:
- Fixup armada, newly converted atomic driver hooray!
- Fixup msm/dpu1, newly added too.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Gustavo Padovan <gustavo@padovan.org>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Rob Clark <robdclark@gmail.com>
Cc: Eric Anholt <eric@anholt.net>
Cc: intel-gfx@lists.freedesktop.org
Cc: linux-arm-msm@vger.kernel.org
Cc: freedreno@lists.freedesktop.org
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180905135711.28370-7-daniel.vetter@ffwll.ch
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Called right before wait_for_commit_done() to perform kickoff for
active crtcs.
Changes in v3:
- None
Signed-off-by: Jeykumar Sankaran <jsanka@codeaurora.org>
[seanpaul split this out of the megapatch]
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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DPU doesn't use this, so push it into the mdp drivers.
Changes in v3:
- None
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Rajesh Yadav <ryadav@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Now that all of the msm-specific goo is tucked safely away we can switch
over to using the atomic helper commit directly. \o/
Changes in v2:
- None
Changes in v3:
- Rebased on Archit's private_obj set
Changes in v4:
- None
Cc: Abhinav Kumar <abhinavk@codeaurora.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Moving further towards switching fully to the the atomic helpers, this
patch removes the hand-rolled worker nonblock commit code and uses the
atomic helpers commit_work model.
Changes in v2:
- Remove commit_destroy()
- Shuffle order of commit_tail calls to further serialize commits
- Use stall in swap_state to avoid abandoned events on disable
Changes in v3:
- Rebased on Archit's private_obj set
Changes in v4:
- None
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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In preparation for moving to atomic helpers, move the implicit sync
fence handling out of atomic commit and into the plane->prepare_fb()
hook. While we're at it, de-duplicate the mdp*_prepare_fb functions.
Changes in v4:
- Added
Reported-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Factor out the commit_tail() portions of complete_commit() into a
separate function to facilitate moving to the atomic helpers in future
patches.
Changes in v2:
- None
Changes in v3:
- Rebased on Archit's private_obj set
Changes in v4:
- None
Cc: Jeykumar Sankaran <jsanka@codeaurora.org>
Reviewed-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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With the addition of "private_objs" in drm_atomic_state, we no longer
need to subclass drm_atomic_state to store state of share resources
that don't perfectly fit within planes/crtc/connector state information.
We can now save this state within drm_atomic_state itself using
the private objects.
Remove the infrastructure that allowed subclassing of drm_atomic_state
in the driver.
Changes in v3:
- Added to the msm atomic helper patch set
Changes in v4:
- None
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
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Add support to async updates of cursors by using the new atomic
interface for that. Basically what this commit does is do what
mdp5_update_cursor_plane_legacy() did but through atomic.
v5: call drm_atomic_helper_async_check() from the check hook
v4: add missing atomic async commit call to msm_atomic_commit(Archit Taneja)
v3: move size checks back to drivers (Ville Syrjälä)
v2: move fb setting to core and use new state (Eric Anholt)
Cc: Rob Clark <robdclark@gmail.com>
Cc: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.com>
Tested-by: Archit Taneja <architt@codeaurora.org> (v4)
[added comment about not hitting async update path if hwpipes are
re-assigned or global state is touched]
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Signed-off-by: Rob Clark <robdclark@gmail.com>
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for_each_obj_in_state is about to be removed, so convert
to the new iterator macros.
Just like in omap, use crtc_state->active instead of
crtc_state->enable when waiting for completion.
Changes since v1:
- Fix compilation.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Rob Clark <robdclark@gmail.com>
Cc: Archit Taneja <architt@codeaurora.org>
Cc: Vincent Abriou <vincent.abriou@st.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Russell King <rmk+kernel@armlinux.org.uk>
Cc: Rob Herring <robh@kernel.org>
Cc: Markus Elfring <elfring@users.sourceforge.net>
Cc: Sushmita Susheelendra <ssusheel@codeaurora.org>
Cc: linux-arm-msm@vger.kernel.org
Cc: freedreno@lists.freedesktop.org
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Tested-by: Archit Taneja <architt@codeaurora.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20170719143920.25685-6-maarten.lankhorst@linux.intel.com
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drm_atomic_helper_swap_state() will be changed to interruptible waiting
in the next few commits, so all drivers have to be changed to handling
failure.
MSM has its own busy tracking, which means the swap_state call can be
done with stall = false, in which case it should never return an error.
Handle failure with BUG_ON for this reason.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Rob Clark <robdclark@gmail.com>
Cc: linux-arm-msm@vger.kernel.org
Cc: freedreno@lists.freedesktop.org
Link: http://patchwork.freedesktop.org/patch/msgid/20170711143314.2148-8-maarten.lankhorst@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Tested-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Register cursor drm_planes. The loop in modeset_init that inits the
planes and crtcs has to be refactored a bit. We first iterate all the
hwpipes to find the cursor planes. Then, we loop again to create
crtcs.
In msm_atomic_wait_for_commit_done, remove the check which bypasses
waiting for vsyncs if state->legacy_cursor_updates is true.
We will later create a fast path for cursor position changes in the
cursor plane's update_plane func that doesn't go via the regular
atomic commit path. For rest of cursor related updates, we will have
to wait for vsyncs, so ignore the legacy_cursor_updates flag.
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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The MDP5 plane's atomic_check ops doesn't perform clipping tests.
This didn't hurt us much in the past, but clipping becomes important
with cursor planes.
Use drm_plane_helper_check_state, the way rockchip/intel/mtk drivers
already do. Use these drivers as reference.
Clipping requires knowledge of the crtc width and height. This requires
us to call drm_atomic_helper_check_modeset before
drm_atomic_helper_check_planes in the driver's atomic_check op, because
check_modetest will populate the mode for the crtc, needed to populate
the clip rectangle.
We update the plane_enabled(state) local helper to use state->visible,
since state->visible and 'state->fb && state->crtc' represent the same
thing.
One issue with the existing code is that we don't have a way to disable
the plane when it's completely clipped out. Until there isn't an update
on the crtc (which would de-stage the plane), we would still see the
plane in its last 'visible' configuration.
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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This will give the kms backends a slot to stash their own hw specific
global state.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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drm_atomic_set_fence_for_plane() is smart and won't overwrite
plane_state->fence if the user already set an explicit fence there.
Cc: Rob Clark <robdclark@gmail.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1478513013-3221-3-git-send-email-gustavo@padovan.org
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drm_atomic_state has a complicated single owner model that tracks the
single reference from allocation through to destruction on another
thread - or perhaps on a local error path. We can simplify this tracking
by using reference counting (at a cost of a few more atomics). This is
even more beneficial when the lifetime of the state becomes more
convoluted than being passed to a single worker thread for the commit.
v2: Double check !intel atomic_commit functions for missing gets
v3: Update kerneldocs
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161014121833.439-27-chris@chris-wilson.co.uk
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If userspace is running an synchronously atomic commit and interrupts the
atomic operation during fence_wait() it will hang until the timer expires,
so here we change the wait to be interruptible so it stop immediately when
userspace wants to quit.
Also adds the necessary error checking for fence_wait().
v2: Comment by Daniel Vetter
- Add error checking for fence_wait()
v3: Rebase on top of new atomic noblocking support
v4: Comment by Maarten Lankhorst
- remove 'swapped' bitfield as it was duplicating information
v5: Comments by Maarten Lankhorst
- assign plane->state to plane_state if !intr
- squash previous patch into this one
v6: Comment by Sean Paul
- rename intr to pre_swap
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
[seanpaul fixed a couple checkpatch warnings and moved the preswap comment]
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1473707291-14781-1-git-send-email-gustavo@padovan.org
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Drivers may set the NO_DISABLE_AFTER_MODESET flag in the 'flags' parameter
of the helper drm_atomic_helper_commit_planes() if the relevant display
controllers(e.g., IPUv3 for imx-drm) require to disable a CRTC's planes
when the CRTC is disabled. The helper would skip the ->atomic_disable
call for a plane if the CRTC of the old plane state needs a modesetting
operation. Of course, the drivers need to disable the planes in their CRTC
disable callbacks since no one else would do that.
Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: David Airlie <airlied@linux.ie>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Peter Senna Tschudin <peter.senna@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Liu Ying <gnuiyl@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1472461923-14364-1-git-send-email-gnuiyl@gmail.com
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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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We want to hide drm_atomic_state internals
v2: Review from Maarten:
- remove whitespace change in rockchip driver that slipped in.
- use drm_crtc_mask insted of open-coding it.
Cc: Rob Clark <robdclark@gmail.com>
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/1464818821-5736-4-git-send-email-daniel.vetter@ffwll.ch
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Signed-off-by: Rob Clark <robdclark@gmail.com>
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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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Signed-off-by: Rob Clark <robdclark@gmail.com>
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The async name is deprecated and should be changed to nonblocking.
Also comments seem to be a bit outdated, as it looks like
nonblocking commit is supported by msm.
Cc: Rob Clark <robdclark@gmail.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/1461679905-30177-6-git-send-email-maarten.lankhorst@linux.intel.com
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With drivers supporting runtime pm it's generally not a good idea to
touch the hardware when it's off. Add an option to the commit_planes
helper to support this case.
Note that the helpers already add all planes on a crtc when a modeset
happens, hence plane updates will not be lost if drivers set this to
true.
v2: Check for NULL state->crtc before chasing the pointer. Also check
both old and new crtc if there's a switch. Finally just outright
disallow switching crtcs for a plane if the plane is in active use, on
most hardware that doesn't make sense.
v3: Since commit_planes(active_only = true) is for enabling things
only after all the crtc are on we should only look at the new crtc to
decide whether to call the plane hooks - if the current CRTC isn't on
then skip. If the old crtc (when moving a plane) went down then the
plane should have been disabled as part of the pipe shutdown work
already. For which there's currently no helper really unfortunately.
Also move the check for wether a plane gets a new CRTC assigned while
still in active use out of this patch.
v4: Rebase over exynos changes.
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Thierry Reding <treding@nvidia.com>
Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Tested-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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The atomic commit cannot easily undo and return an error once the
state is swapped. Change to uninterruptible wait, and ignore the
timeout error.
Signed-off-by: Wentao Xu <wentaox@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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The 'timeout' value comes from userspace (CLOCK_MONOTONIC), but
converting this directly to jiffies doesn't take into account the
initial jiffies count at boot, which may differ from the base time
of CLOCK_MONOTONIC.
TODO: add ktime_delta_jiffies() when rebasing on 4.1 and use that
instead of ktime_sub/ktime_to_timespec/timespec_to_jiffies combo (as
suggested by Arnd)
v2: switch over from 'struct timespec' to ktime_t throughout, since
'struct timespec' will be deprecated (as suggested by Arnd)
v3: minor cosmetic tweaks
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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When the .atomic_commit() handler fails, clean up planes previoulsy
prepared by drm_atomic_helper_prepare_planes() with a call to
drm_atomic_helper_cleanup_planes().
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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MDP FLUSH registers could indicate if the previous flush updates
has taken effect at vsync boundary. Making use of this H/W feature
can catch the vsync that happened between CRTC atomic_flush and
*_wait_for_vblanks, to avoid unnecessary wait.
This change allows kms CRTCs to use their own *_wait_for_commit_done
functions to wait for FLUSH register cleared at vsync, before commit
completion.
Signed-off-by: Hai Li <hali@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Linux 4.0-rc3 backmerge to fix two i915 conflicts, and get
some mainline bug fixes needed for my testing box
Conflicts:
drivers/gpu/drm/i915/i915_drv.h
drivers/gpu/drm/i915/intel_display.c
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If the atomic commit fails due to completion wait interruption the
atomic commit object is not freed and is thus leaked. Free it.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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These names only make sense because of backwards compatability with
the order used by the crtc helper library. There's not really any real
requirement in the ordering here.
So rename them to something more descriptive and update the kerneldoc
a bit. Motivated in a discussion with Laurent about how to restore
plane state for dpms for drivers with runtime pm.
v2: Squash in fixup from Stephen Rothwell to fix a conflict with
tegra.
Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Acked-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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The gnome-shell wayland compositor triggers a setcrtc with an fb that is
still being rendered, triggering the call to _wait_fence_interruptable().
But a NULL timeout means "don't wait, return -EBUSY if not ready", which
in turn causes the setcrtc to fail.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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As a result of atomic DPMS support, the various prepare/commit hooks get
called in a way that msm dislikes. We were expecting prepare/commit to
bracket a modeset, which is no longer the case. This was needed to hold
various extra clk's (such as interface clks) on while we are touching
registers, and in the case of mdp4 holding vblank enabled.
The most straightforward way to deal with this, since we already have
our own atomic_commit(), is to just handle prepare/commit internally to
the driver (with some additional vfuncs for mdp4 vs mdp5), and switch
everything over to instead use the new enable/disable hooks. It doesn't
really change too much, despite the code motion. What used to be in the
encoder/crtc dpms() fxns is split out into enable/disable.
We should be able to drop our own enable-state tracking, as the atomic
helpers should do this for us. But keeping that for the short term for
extra debugging as atomic stablizes.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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git://anongit.freedesktop.org/drm-intel into drm-next
Next batch of atomic work. Most important is the propertification from Rob
and the nth iteration of the actual atomic ioctl originally from Ville.
Big differences compared to earlier revisions:
- Core properties are now fully handled by the core, drivers can only
handle driver-specific properties.
- Atomic props&ioctl are opt-in per file_priv, userspace needs to
explicitly ask for it (like universal plane support).
- For now all hidden behind the atomic module option until this has
settled a bit.
- Atomic modesets are currently not possible since the exact abi for how
to handle the mode property is still under discussion.
Besides this some cleanup patches from me and the addition of per-object
state to global state backpointers to simplify drivers.
* tag 'topic/atomic-core-2015-01-05' of git://anongit.freedesktop.org/drm-intel:
drm: Ensure universal_planes is set for atomic
drm/atomic: Hide drm.ko internal interfaces
drm: Atomic modeset ioctl
drm/atomic: atomic connector properties
drm/atomic: atomic plane properties
drm: small property creation cleanup
drm/atomic: atomic_check functions
drm: add atomic properties
drm: refactor getproperties/getconnector
drm: tweak getconnector locking
drm: add atomic_get_property
drm: add atomic_set_property wrappers
drm: get rid of direct property value access
drm: store property instead of id in obj attachment
drm: allow property validation for refcnted props
drm/atomic: Introduce state->obj backpointers
drm/atomic-helper: Again check modeset *before* plane states
drm/atomic-helper: Export both plane and modeset check helpers
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We can't have multiple updates pending on a given CRTC, and we don't
want a sync update to race w/ an async update that preceeded it. So
keep track of which CRTCs have updates in flight, and block later
updates that would conflict.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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This essentially reverts
commit 934ce1c23624526d9d784e0499190bb48113e6f4
Author: Rob Clark <robdclark@gmail.com>
Date: Wed Nov 19 16:41:33 2014 -0500
drm/atomic: check mode_changed *after* atomic_check
Depending upon the driver both orders (or maybe even interleaving) is
required:
- If ->atomic_check updates ->mode_changed then helper_check_modeset
must be run afters.
- If ->atomic_check depends upon accurate adjusted dotclock values for
e.g. watermarks, then helper_check_modeset must be run first.
The failure mode in the first case is usually a totally angry hw
because the pixel format switching doesn't happen. The failure mode in
the later case is usually nothing, since in most cases the old
adjusted mode from the previous modeset wont be too far off to be a
problem. So just underruns and perhaps even just suboptimal (from a
power consumption) watermarks.
Furthermore in the transitional helpers we only call ->atomic_check
after the new modeset state has been fully set up (and hence
computed).
Given that asymmetry in expected failure modes I think it's safer to
go back to the older order. So do that and give msm a special check
function to compensate.
Also update kerneldoc to explain this a bit.
v2: Actually add the missing hunk Rob spotted.
v3: Move msm_atomic_check into msm_atomic.c, requested by Rob.
Cc: Rob Clark <robdclark@gmail.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Tested-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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Fixes for a couple little issues found in testing.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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The core parts for async commit.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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