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In order to prevent drivers from having to perform the same checks over
and over again, add an optional ->atomic_disable callback which the core
calls under the right circumstances.
v2: pass old state and detect edges to avoid calling ->atomic_disable on
already disabled planes, remove redundant comment (Daniel Vetter)
v3: rename helper to drm_atomic_plane_disabling() to clarify that it is
checking for transitions, move helper to drm_atomic_helper.h, clarify
check for !old_state and its relation to transitional helpers
Here's an extract from some discussion rationalizing the behaviour (for
a full version, see the reference below):
> > Hm, thinking about this some more this will result in a slight difference
> > in behaviour, at least when drivers just use the helper ->reset functions
> > but don't disable everything:
> > - With transitional helpers we assume we know nothing and call
> > ->atomic_disable.
> > - With atomic old_state->crtc == NULL in the same situation right after
> > boot-up, but we asssume the plane is really off and _dont_ call
> > ->atomic_disable.
> >
> > Should we instead check for (old_state && old_state->crtc) and state that
> > drivers need to make sure they don't have stuff hanging around?
>
> I don't think we can check for old_state because otherwise this will
> always return false, whereas we really want it to force-disable planes
> that could be on (lacking any more accurate information). For
> transitional helpers anyway.
>
> For the atomic helpers, old_state will never be NULL, but I'd assume
> that the driver would reconstruct the current state in ->reset().
By the way, the reason for why old_state can be NULL with transitional
helpers is the ordering of the steps in the atomic transition. Currently
the Tegra patches do this (based on your blog post and the Exynos proto-
type):
1) atomic conversion, phase 1:
- implement ->atomic_{check,update,disable}()
- use drm_plane_helper_{update,disable}()
2) atomic conversion, phase 2:
- call drm_mode_config_reset() from ->load()
- implement ->reset()
That's only a partial list of what's done in these steps, but that's the
only relevant pieces for why old_state is NULL.
What happens is that without ->reset() implemented there won't be any
initial state, hence plane->state (the old_state here) will be NULL the
first time atomic state is applied.
We could of course reorder the sequence such that drivers are required
to hook up ->reset() before they can (or at the same as they) hook up
the transitional helpers. We could add an appropriate WARN_ON to this
helper to make that more obvious.
However, that will not solve the problem because it only gets rid of the
special case. We still don't know whether old_state->crtc == NULL is the
current state or just the initial default.
So no matter which way we do this, I don't see a way to get away without
requiring specific semantics from drivers. They would be that:
- drivers recreate the correct state in ->reset() so that
old_state->crtc != NULL if the plane is really enabled
or
- drivers have to ensure that the real state in fact mirrors the
initial default as encoded in the state (plane disabled)
References: http://lists.freedesktop.org/archives/dri-devel/2015-January/075578.html
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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There is no use-case where it would be useful for drivers not to
implement this function and the transitional plane helpers already
require drivers to provide an implementation.
v2: add new requirement to kerneldoc
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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kfree(ERR_PTR(-ENOMEM)) will not work very well.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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We can't save two values to the IRQ flags at the same time so the IRQs
are not enabled at the end. This kind of bug is easy to miss in testing
if the function is normally called with IRQs disabled so we wouldn't
enable IRQs anyway.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Compliance testing shows that HS Trail is off by -12%. Increase the HS
Trail time to make this test pass.
Signed-off-by: David Ung <davidu@nvidia.com>
[treding@nvidia.com: update specification references, add comment]
Signed-off-by: Thierry Reding <treding@nvidia.com>
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This allows a DRM driver unload/reload cycle to completely reset the DSI
controller and may help in situations where it's broken.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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This reset is necessary to properly clean up the internal state of the
controller.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Use a sized unsigned 32-bit data type (u32) to store register contents.
The DSI registers are 32 bits wide irrespective of the architecture's
data width.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Use a sized unsigned 32-bit data type (u32) to store register contents.
The HDMI registers are 32 bits wide irrespective of the architecture's
data width.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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This prevents the compiler from warning about using a variable that is
possibly uninitialized.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Most of the display controller's registers are double-buffered, a few of
them are triple-buffered. The ASSEMBLY shadow copy is latched intto the
ACTIVE copy for double-buffered registers. For triple-buffered registers
the ASSEMBLY copy is first latched into the ARM copy.
Latching into the ACTIVE copy happens immediately if the controller is
inactive. Otherwise the latching happens on the next frame boundary. The
latching of the ASSEMBLY into the ARM copy happens immediately. Latching
is controlled by a set of *_ACT_REQ and *_UPDATE bits in the
DC_CMD_STATE_CONTROL register.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Tegra114 and earlier support specifying the color of the border (i.e.
the active area of the screen that is not covered by any of the overlay
windows). By default this is set to a light blue, so set it to black to
comply with the requirements set by atomic modesetting.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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iommu_domain_alloc() returns NULL on error, it never returns error
pointers.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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The possible_crtcs mask needs to be a mask of CRTC indices. There is no
guarantee that the DRM indices match the hardware pipe number, so the
mask must be computed from the CRTC index.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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The DRM core now zeroes out the memory associated with CRTC, encoder and
connector objects upon cleanup, so there's no need to explicitly do that
in drivers anymore.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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The iommu_map_sg() function is now available in the IOMMU API, so drop
the open-coded variant.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Previously the struct bus_type exported by the host1x infrastructure was
only a very basic skeleton. Turn that implementation into a more full-
fledged bus to support proper probe ordering and power management.
Note that the bus infrastructure needs to be available before any of the
drivers can be registered. This is automatically ensured if all drivers
are built as loadable modules (via symbol dependencies). If all drivers
are built-in there are no such guarantees and the link order determines
the initcall ordering. Adjust drivers/gpu/Makefile to make sure that the
host1x bus infrastructure is initialized prior to any of its users (only
drm/tegra currently).
v2: Fix building host1x and tegra-drm as modules
Reported-by: Dave Airlie <airlied@gmail.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Mark Zhang <markz@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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The atomic helpers rely on drm_atomic_state_clear() to reset an atomic
state if a retry is needed due to the w/w mutexes. The subsequent calls
to drm_atomic_get_{crtc,plane,...}_state() would then return the stale
pointers in state->{crtc,plane,...}_states.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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With the combination of ->enable and ->active it's a bit complicated
to follow what exactly is going on sometimes within a full modeset.
Add debug output to make this all traceable.
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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For historical reasons going all the way back to how the Xrandr code
was implemented the semantics of the callbacks used to enable/disable
crtcs and encoders are ... interesting.
But with atomic helpers all that complexity has been binned, with only
a well-defined on/off action left. Unfortunately the names stuck.
Let's fix that by adding enable/disable hooks every, make them the
preferred variant for atomic and update documentations.
Later on we add debug warnings when drivers have deprecated hooks. But
while everything is in-flight with lots of drivers converting to
atomic that's a bit too much - better wait for things to settle a bit
first.
v2: Fix kerneldoc, reported by Wu Fengguang.
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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Cursor plane updates have historically been fully async and mutliple
updates batched together for the next vsync. And userspace relies upon
that. Since implementing a full queue of async atomic updates is a bit
of work lets just recover the cursor specific behaviour with a hint
flag and some hacks to drop the vblank wait.
v2: Fix kerneldoc, reported by Wu Fengguang.
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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This builds on top of the crtc->active infrastructure to implement
legacy DPMS. My choice of semantics is somewhat arbitrary, but the
entire pipe is enabled as along as one output is still enabled.
Of course it also clamps everything that's not ON to OFF.
v2: Fix spelling in one comment.
v3: Don't do an async commit (Thierry)
v4: Dan Carpenter noticed missing error case handling.
Cc: Thierry Reding <thierry.reding@gmail.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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This is the infrastructure for DPMS ported to the atomic world.
Fundamental changes compare to legacy DPMS are:
- No more per-connector dpms state, instead there's just one per each
display pipeline. So if you clone either you have to unclone first
if you only want to switch off one screen, or you just switch of
everything (like all desktops do). This massively reduces complexity
for cloning since now there's no more half-enabled cloned configs to
consider.
- Only on/off, dpms standby/suspend are as dead as real CRTs. Again
reduces complexity a lot.
Now especially for backwards compat the really important part for dpms
support is that dpms on always succeeds (except for hw death and
unplugged cables ofc). Which means everything that could fail (like
configuration checking, resources assignments and buffer management)
must be done irrespective from ->active. ->active is really only a
toggle to change the hardware state. More precisely:
- Drivers MUST NOT look at ->active in their ->atomic_check callbacks.
Changes to ->active MUST always suceed if nothing else changes.
- Drivers using the atomic helpers MUST NOT look at ->active anywhere,
period. The helpers will take care of calling the respective
enable/modeset/disable hooks as necessary. As before the helpers
will carefully keep track of the state and not call any hooks
unecessarily, so still no double-disables or enables like with crtc
helpers.
- ->mode_set hooks are only called when the mode or output
configuration changes, not for changes in ->active state.
- Drivers which reconstruct the state objects in their ->reset hooks
or through some other hw state readout infrastructure must ensure
that ->active reflects actual hw state.
This just implements the core bits and helper logic, a subsequent
patch will implement the helper code to implement legacy dpms with
this.
v2: Rebase on top of the drm ioctl work:
- Move crtc checks to the core check function.
- Also check for ->active_changed when deciding whether a modeset
might happen (for the ALLOW_MODESET mode).
- Expose the ->active state with an atomic prop.
v3: Review from Rob
- Spelling fix in comment.
- Extract needs_modeset helper to consolidate the ->mode_changed ||
->active_changed checks.
v4: Fixup fumble between crtc->state and crtc_state.
Cc: Rob Clark <robdclark@gmail.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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Not a new type exposed to userspace, just a standard way to create
them since between range, bitmask and enum there's 3 different ways to
pull out a boolean prop.
Also add the kerneldoc for the recently added new prop types, which
Rob forgot all about.
v2: Fixup kerneldoc, spotted by Rob.
Cc: Rob Clark <robdclark@gmail.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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The rotation property is shared by multiple drivers, so it makes sense
to store the rotation value (for atomic-converted drivers) in the common
plane state so that core code can eventually access it as well.
Cc: dri-devel@lists.freedesktop.org
Suggested-by: Daniel Vetter <daniel@ffwll.ch>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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into drm-next
single rockchip fix.
* 'drm-next' of https://github.com/markyzq/kernel-drm-rockchip:
drm/rockchip: fix dma_alloc_attrs() error check
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into drm-next
Radeon drm-next changes for 3.20. Highlights:
- Indirect draw support for evergreen/NI hw
- SMC fan control support for SI/CI
- Manual fan control for SI/CI
- DP audio support
- Lots of code cleanup
* 'drm-next-3.20' of git://people.freedesktop.org/~agd5f/linux: (45 commits)
drm/radeon: make MMU_NOTIFIER optional
drm/radeon: use NULL rather then 0 in audio detect
drm/radeon: whitespace clean up in radeon_audio.c
radeon/audio: enable DP audio
radeon/audio: moved audio caps programming to audio_hotplug() function
radeon/audio: applied audio_dpms() and audio_mode_set() calls
radeon/audio: consolidate audio_mode_set() functions
radeon/audio: removed unnecessary debug settings
radeon/audio: moved mute programming to a separate function
radeon/audio: moved audio packet programming to a separate function
radeon/audio: set_avi_packet() function cleanup
radeon/audio: removed unnecessary CRC control programing
radeon: moved HDMI color depth programming to a separate function
radeon/audio: moved VBI packet programming to separate functions
radeon/audio: consolidate update_acr() functions (v2)
radeon/audio: consolidate update_avi_infoframe() functions
radeon/audio: consolidate audio_set_dto() functions
radeon/audio: consolidate audio_fini() functions
radeon/audio: consolidate audio_enable() functions
radeon/audio: consolidate select_pin() functions
...
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git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-next
This pull request includes some code refactoring which removes
Exynos specific structure names and uses generic structure
names instead, and makes all plane updating to be done
by only exynos_update_plane function. And also it includes
some cleanup and fixup patches.
* 'exynos-drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos: (22 commits)
drm/exynos: fimd: check error status for drm_iommu_attach_device
drm/exynos: create exynos_check_plane()
drm/exynos: remove mode_set() ops from exynos_crtc
drm/exynos: don't duplicate drm_display_mode in fimd context
drm/exynos: remove struct exynos_drm_manager
drm/exynos: remove drm_dev from struct exynos_drm_manager
drm/exynos: move 'type' from manager to crtc struct
drm/exynos: remove pipe member of struct exynos_drm_manager
drm/exynos: add pipe param to exynos_drm_crtc_create()
drm/exynos: rename base object of struct exynos_drm_crtc to 'base'
drm/exynos: remove exynos_drm_crtc_mode_set_commit()
drm/exynos: call exynos_update_plane() directly on page flips
drm/exynos: unify plane update on exynos_update_plane()
drm/exynos: remove exynos_plane_commit() wrapper
drm/exynos: don't do any DPMS operation while updating planes
drm/exynos: Don't touch DPMS when updating overlay planes
drm/exynos/vidi: remove useless ops->commit()
drm/exynos/fimd: don't initialize 'ret' variable in fimd_probe()
drm/exynos: remove struct exynos_drm_overlay
drm/exynos: remove exynos_drm_crtc_plane_* wrappers
...
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git://people.freedesktop.org/~gabbayo/linux into drm-next
Here is a pull request of fixes for 3.20 patches, including the fix you asked
me when you merged the previous pull request.
* tag 'drm-amdkfd-next-fixes-2015-01-25' of git://people.freedesktop.org/~gabbayo/linux:
drm/amdkfd: change amdkfd version to 0.7.1
drm/radeon: cik_sdma_ctx_switch_enable() can be static
drm/amdkfd: Fix sparse errors
drm/amdkfd: Handle case of invalid queue type
drm/amdkfd: Add break at the end of case
drm/amdkfd: Remove negative check of uint variable
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formats and num_formats arguments were previously called fmts and nfmts.
Fix the kernel doc comment so that it matches the new argument names.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://anongit.freedesktop.org/drm-intel into drm-next
- refactor i915/snd-hda interaction to use the component framework (Imre)
- psr cleanups and small fixes (Rodrigo)
- a few perf w/a from Ken Graunke
- switch to atomic plane helpers (Matt Roper)
- wc mmap support (Chris Wilson & Akash Goel)
- smaller things all over
* tag 'drm-intel-next-2015-01-17' of git://anongit.freedesktop.org/drm-intel: (40 commits)
drm/i915: Update DRIVER_DATE to 20150117
i915: reuse %ph to dump small buffers
drm/i915: Ensure the HiZ RAW Stall Optimization is on for Cherryview.
drm/i915: Enable the HiZ RAW Stall Optimization on Broadwell.
drm/i915: PSR link standby at debugfs
drm/i915: group link_standby setup and let this info visible everywhere.
drm/i915: Add missing vbt check.
drm/i915: PSR HSW/BDW: Fix inverted logic at sink main_link_active bit.
drm/i915: PSR VLV/CHV: Remove condition checks that only applies to Haswell.
drm/i915: VLV/CHV PSR needs to exit PSR on every flush.
drm/i915: Fix kerneldoc for i915 atomic plane code
drm/i915: Don't pretend SDVO hotplug works on 915
drm/i915: Don't register HDMI connectors for eDP ports on VLV/CHV
drm/i915: Remove I915_HAS_HOTPLUG() check from i915_hpd_irq_setup()
drm/i915: Make hpd arrays big enough to avoid out of bounds access
Revert "drm/i915/chv: Use timeout mode for RC6 on chv"
drm/i915: Improve HiZ throughput on Cherryview.
drm/i915: Reset CSB read pointer in ring init
drm/i915: Drop unused position fields (v2)
drm/i915: Move to atomic plane helpers (v9)
...
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git://anongit.freedesktop.org/drm-intel into drm-next
Just flushing out my drm-misc branch, nothing major. Well too old patches
I've dug out from years since a patch from Rob look eerily familiar ;-)
* tag 'topic/core-stuff-2015-01-23' of git://anongit.freedesktop.org/drm-intel:
drm/probe-helper: clamp unknown connector status in the poll work
drm/probe-helper: don't lose hotplug event
next: drm/atomic: Use copy_from_user to copy 64 bit data from user space
drm: Make drm_read() more robust against multithreaded races
drm/fb-helper: Propagate errors from initial config failure
drm: Drop superfluous "select VT_HW_CONSOLE_BINDING"
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drm_plane_helper_{update,disable} are not specific to primary planes;
fix some copy/paste summaries to avoid confusion.
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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When commiting a plane update where the framebuffer doesn't change, we
can skip the prepare_fb/cleanup_fb steps. This also allows us to avoid
an unnecessary vblank wait at the end of the operation when we're just
moving a plane and not changing its image (e.g., for a cursor).
At the moment, i915 is the only upstream driver using the transitional
plane helpers, and thus the only driver affected by this change.
Note that this replicates a corresponding change in the atomic helpers
implemented in
commit ab58e3384b9f9863bfd029b458ff337d381bf6d2
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Mon Nov 24 20:42:42 2014 +0100
drm/atomic-helper: Skip vblank waits for unchanged fbs
Reported-by: Jeremiah Mahler <jmmahler@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=88540
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Tested-by: Tested-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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check error status for drm_iommu_attach_device() and make sure
it propagates till the caller.
Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Signed-off-by: Inki Dae <daeinki@gmail.com>
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Split update plane in two parts, an initial check part that can fail
and the update part that can't fail.
This is a important step for the upcoming atomic modesetting support.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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It is no longer used anywhere.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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We can safely use the mode stored in the crtc.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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exynos_drm_manager was just a redundant struct to represent the crtc as
well. In this commit we merge exynos_drm_manager into exynos_drm_crtc to
remove an unnecessary level of indirection easing the understand of the
flow on exynos.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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manager-drm_dev is only accessed by exynos_drm_crtc_create() so this patch
pass drm_dev as argument on exynos_drm_crtc_create() and remove it from
struct exynos_drm_manager.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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'type' is now part of the struct exynos_drm_crtc. This is just another
step in the struct exynos_drm_manager removal.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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It is not longer used. This is part of the process of removing
struct exynos_drm_manager entirely.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Get the pipe value from a parameter instead of getting it from
manager->pipe. We are removing manager->pipe.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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'base' is more widely used name in the drm subsystem for the base object.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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This was just as extra chain in the call stack. We just rename it to
_set_base() and let it do everything alone.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Avoid an extra call to exynos_drm_crtc_mode_set_commit() that only calls
exynos_update_plane().
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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We can safely use the exynos_update_plane() to update the plane
framebuffer for both the overlay and primary planes.
Note that this patch removes a call to manager->ops->commit() in
exynos_drm_crtc_mode_set_commit(). The commit() call is used only by the
fimd driver to set underlying timings and need only in full modeset
operations. For plane update only win_commit is needed.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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It's doing nothing but calling exynos_crtc->ops->win_commit(), so let's
call this directly to avoid extra layers of abstraction.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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DPMS only makes sense when the mode changes, for plane update changes do
not perform any dpms operation.
This move places the win_commit() and commit() calls directly in the code
instead of calling exynos_drm_crtc_commit() thus avoiding DPMS operations.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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DPMS settings should only be changed by a full modeset.
exynos_plane_update() should only care about updating the planes itself
and nothing else.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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