| Commit message (Collapse) | Author | Age | Files | Lines |
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Create a work structure that will be used for all changes. This will
be used later on in the atomic commit function.
Changes since v1:
- Free old_crtc_state from unpin_work_fn properly.
Changes since v2:
- Add hunk for calling hw state verifier.
- Add missing support for color spaces.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1463490484-19540-12-git-send-email-maarten.lankhorst@linux.intel.com
Reviewed-by: Patrik Jakobsson <patrik.jakobsson@linux.intel.com>
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Set plane_state->base.fence to the dma_buf exclusive fence,
and add a wait to the mmio function. This will make it easier
to unify plane updates later on.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1463490484-19540-11-git-send-email-maarten.lankhorst@linux.intel.com
Reviewed-by: Patrik Jakobsson <patrik.jakobsson@linux.intel.com>
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This will be required to allow more than 1 update in the future.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1463490484-19540-10-git-send-email-maarten.lankhorst@linux.intel.com
Reviewed-by: Patrik Jakobsson <patrik.jakobsson@linux.intel.com>
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With intel_pipe_update begin/end we ensure that the mmio updates
don't run during vblank interrupt, using the hw counter we can
be sure that when current vblank count != vblank count at the time
of pipe_update_end the mmio update is complete.
This allows us to use mmio updates on all platforms, using the
update_plane call.
With Chris Wilson's patch to skip waiting for vblanks for
legacy_cursor_update this potentially leaves a small race
condition, in which update_plane can be called with a freed
crtc_state. Because of this commit acf4e84d61673
("drm/i915: Avoid stalling on pending flips for legacy cursor updates")
is temporarily reverted.
Changes since v1:
- Split out the flip_work rename.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1463490484-19540-9-git-send-email-maarten.lankhorst@linux.intel.com
Reviewed-by: Patrik Jakobsson <patrik.jakobsson@linux.intel.com>
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This reverts commit acf4e84d6167317ff21be5c03e1ea76ea5783701.
Unfortunately this breaks the next commit with a use-after-free, so
temporarily revert until we can apply a solution.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1463490484-19540-8-git-send-email-maarten.lankhorst@linux.intel.com
Reviewed-by: Patrik Jakobsson <patrik.jakobsson@linux.intel.com>
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Rename intel_unpin_work to intel_flip_work and use it for mmio flips
and unpinning. Use flip_queued_req to hold the wait request in the
mmio case, and the vblank counter from intel_crtc_get_vblank_counter.
MMIO flips get their own path through intel_finish_page_flip_mmio,
handled on vblank. CS page flips go through *_cs.
Changes since v1:
- Clean up destinction between MMIO and CS flips.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1463490484-19540-7-git-send-email-maarten.lankhorst@linux.intel.com
Reviewed-by: Patrik Jakobsson <patrik.jakobsson@linux.intel.com>
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unavailable.
This uses the newly created drm_accurate_vblank_count_and_time to accurately
get a vblank count when the hw counter is unavailable.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1463490484-19540-6-git-send-email-maarten.lankhorst@linux.intel.com
Reviewed-by: Patrik Jakobsson <patrik.jakobsson@linux.intel.com>
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Instead of calling prepare_flip right before calling finish_page_flip
do everything from prepare_page_flip in finish_page_flip.
Putting prepare and finish page_flip in a single step removes the need
for INTEL_FLIP_COMPLETE, so it can be removed. This simplifies the code
slightly.
Changes since v1:
- Invert if case to simplify code.
- Add missing barrier.
- Reword commit message.
Changes since v2:
- intel_page_flip_plane is removed.
- work->pending is turned into a bool.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1463490484-19540-5-git-send-email-maarten.lankhorst@linux.intel.com
Reviewed-by: Patrik Jakobsson <patrik.jakobsson@linux.intel.com>
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This function is duplicated with intel_finish_page_flip,
and is only ever used from planes that could use the
other function anyway.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1463490484-19540-4-git-send-email-maarten.lankhorst@linux.intel.com
Reviewed-by: Patrik Jakobsson <patrik.jakobsson@linux.intel.com>
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Both intel_unpin_work.pending and intel_unpin_work.enable_stall_check
were used to see if work should be enabled. By only using pending
some special cases are gone, and access to unpin_work can be simplified.
A flip could previously be queued before
stallcheck was active. With the addition of the pending member
enable_stall_check became obsolete and can thus be removed.
Use this to only access work members untilintel_mark_page_flip_active
is called, or intel_queue_mmio_flip is used. This will prevent
use-after-free, and makes it easier to verify accesses.
Changes since v1:
- Reword commit message.
- Do not access unpin_work after intel_mark_page_flip_active.
- Add the right memory barriers.
Changes since v2:
- atomic_read() needs a full smp_rmb.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1463490484-19540-3-git-send-email-maarten.lankhorst@linux.intel.com
Reviewed-by: Patrik Jakobsson <patrik.jakobsson@linux.intel.com>
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This patch resizes the GuC WOPCM (specifically on BXT)
so that the GuC and RC6 memory spaces do not overlap.
v2:
Made calculation of WOPCM size into a separate function,
so that it's consistent between the firmware size-check
and the register-programming operations [Dave Gordon].
Issue: https://jira01.devtools.intel.com/browse/VIZ-6638
Signed-off-by: Peter Antoine <peter.antoine@intel.com>
Signed-off-by: Dave Gordon <david.s.gordon@intel.com>
Reviewed-by: Nick Hoath <nicholas.hoath@intel.com>
Tested-by: Nick Hoath <nicholas.hoath@intel.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1463494365-26330-1-git-send-email-david.s.gordon@intel.com
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- Unconditionally add plane states. Core helpers would have done this
in drm_atomic_helper_check_modeset, doing it once more won't cause
harm and is less fragile.
- Simplify the continue logic when disabling a pipe.
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.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/1462779085-2458-1-git-send-email-daniel.vetter@ffwll.ch
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In CABC (Content Adaptive Brightness Control) content grey level
scale can be increased while simultaneously decreasing
brightness of the backlight to achieve same perceived brightness.
The CABC is not standardized and panel vendors are free to follow
their implementation. The CABC implementaion here assumes that the
panels use standard SW register for control.
CABC is supported only when the PWM source for backlight is
from the panel.
v2 by Jani: rebase, renames, check cabc support earlier, etc.
Signed-off-by: Deepak M <m.deepak@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/883faade74d2e598b143221ccc7df6daf4393a13.1461676337.git.jani.nikula@intel.com
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If the source of the backlight PWM is from the
panel then the PWM can be controlled by DCS
command, this patch adds the support to
enable/disbale panel PWM, control backlight level
etc...
v2: Moving the CABC bkl functions to new file.(Jani)
v3: Rebase
v4: Rebase
v5: Use mipi_dsi_dcs_write() instead of mipi_dsi_dcs_write_buffer() (Jani)
Move DCS macro`s to include/video/mipi_display.h (Jani)
v6: Rename the file to intel_dsi_panel_pwm.c
Removing the CABC operations
v7 by Jani: renames, rebases, etc.
v8 by Jani: s/INTEL_BACKLIGHT_CABC/INTEL_BACKLIGHT_DSI_DCS/
v9 by Jani: rename init function to intel_dsi_dcs_init_backlight_funcs
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Yetunde Adebisi <yetundex.adebisi@intel.com>
Signed-off-by: Deepak M <m.deepak@intel.com>
Reviewed-by: Yetunde Adebisi <yetundex.adebisi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/71238a4b14b8c3a6c04070c789f09f1b4bc00a15.1461676337.git.jani.nikula@intel.com
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Backmerge request by Jani to get at
commit 249c4f538b1aae55d41699f8bafc6cb762a7f48f
Author: Deepak M <m.deepak@intel.com>
Date: Wed Mar 30 17:03:39 2016 +0300
drm: Add new DCS commands in the enum list
Some simple conflicts in intel_dp.c.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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This was forgotten when adding the the refcounting to
drm_connector_state.
v2: Don't forget to unreference existing connectors. This isn't
relevant on driver load, but this code also runs on resume, and there
we already have an atomic state. Spotted by Chris Wilson.
Cc: Gabriel Feceoru <gabriel.feceoru@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Marius Vlad <marius.c.vlad@intel.com>
Cc: Dave Airlie <airlied@redhat.com>
Fixes: d2307dea14a4 ("drm/atomic: use connector references (v3)")
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1462541943-19620-1-git-send-email-daniel.vetter@ffwll.ch
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Don't just free the connector when we get the destroy callback.
Drop a reference to it, and set it's mst_port to NULL so
no more mst work is done on it.
v2: core mst accepts NULLs fine. Cleanup EDID code properly.
v3: drop the extra reference we were taking.
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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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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The async name is deprecated and should be changed to nonblocking.
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/1461679905-30177-13-git-send-email-maarten.lankhorst@linux.intel.com
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git://anongit.freedesktop.org/drm-intel into drm-next
- prep work for struct_mutex-less gem_free_object
- more invasive/tricky mst fixes from Lyude for broken hw. I discussed
this with Ville/Jani and we all agreed more soaking in -next would be
real good this late in the -rc cycle. They're cc: stable too to make
sure they're not getting lost. Feel free to cherry-pick those four if
you disagree.
- few small things all over
* tag 'topic/drm-misc-2016-04-29' of git://anongit.freedesktop.org/drm-intel:
drm/atomic: Add missing drm_crtc_internal.h include
drm/dp: Allow signals to interrupt drm_aux-dev reads/writes
drm: Quiet down drm_mode_getresources
drm: Quiet down drm_mode_getconnector
drm: Protect dev->filelist with its own mutex
drm: Make drm_vm_open/close_locked private to drm_vm.c
drm: Hide master MAP cleanup in drm_bufs.c
drm: Forbid legacy MAP functions for DRIVER_MODESET
drm: Push struct_mutex into ->master_destroy
drm: Move drm_getmap into drm_bufs.c and give it a legacy prefix
drm: Put legacy lastclose work into drm_legacy_dev_reinit
drm: Give drm_agp_clear drm_legacy_ prefix
drm/sysfs: Annote lockless show functions with READ_ONCE
MAINTAINERS: Update the files list for the GMA500 DRM driver
drm: rcar-du: Fix compilation warning
drm/i915: Get rid of intel_dp_dpcd_read_wake()
drm/dp_helper: Perform throw-away read before actual read in drm_dp_dpcd_read()
drm/dp_helper: Retry aux transactions on all errors
drm/dp_helper: Always wait before retrying native aux transactions
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amdgpu gained dev->struct_mutex usage, and that's because it's walking
the dev->filelist list. Protect that list with it's own lock to take
one more step towards getting rid of struct_mutex usage in drivers
once and for all.
While doing the conversion I noticed that 2 debugfs files in i915
completely lacked appropriate locking. Fix that up too.
v2: don't forget to switch to drm_gem_object_unreference_unlocked.
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1461691808-12414-9-git-send-email-daniel.vetter@ffwll.ch
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Since we've fixed up drm_dp_dpcd_read() to allow for retries when things
timeout, there's no use for having this function anymore. Good riddens.
Signed-off-by: Lyude <cpaul@redhat.com>
Tested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1460559513-32280-5-git-send-email-cpaul@redhat.com
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git://anongit.freedesktop.org/drm-intel into drm-next
- more userptr cornercase fixes from Chris
- clean up and tune forcewake handling (Tvrtko)
- more underrun fixes from Ville, mostly for ilk to appeas CI
- fix unclaimed register warnings on vlv/chv and enable the debug code to catch
them by default (Ville)
- skl gpu hang fixes for gt3/4 (Mika Kuoppala)
- edram improvements for gen9+ (Mika again)
- clean up gpu reset corner cases (Chris)
- fix ctx/ring machine deaths on snb/ilk (Chris)
- MOCS programming for all engines (Peter Antoine)
- robustify/clean up vlv/chv irq handler (Ville)
- split gen8+ irq handlers into ack/handle phase (Ville)
- tons of bxt rpm fixes (mostly around firmware interactions), from Imre
- hook up panel fitting for dsi panels (Ville)
- more runtime PM fixes all over from Imre
- shrinker polish (Chris)
- more guc fixes from Alex Dai and Dave Gordon
- tons of bugfixes and small polish all over (but with a big focus on bxt)
* tag 'drm-intel-next-2016-04-25' of git://anongit.freedesktop.org/drm-intel: (142 commits)
drm/i915: Update DRIVER_DATE to 20160425
drm/i915/bxt: Explicitly clear the Turbo control register
drm/i915: Correct the i915_frequency_info debugfs output
drm/i915: Macros to convert PM time interval values to microseconds
drm/i915: Make RPS EI/thresholds multiple of 25 on SNB-BDW
drm/i915: Fake HDMI live status
drm/i915/bxt: Force reprogramming a PHY with invalid HW state
drm/i915/bxt: Wait for PHY1 GRC done if PHY0 was already enabled
drm/i915/bxt: Use PHY0 GRC value for HW state verification
drm/i915: use dev_priv directly in gen8_ppgtt_notify_vgt
drm/i915/bxt: Enable DC5 during runtime resume
drm/i915/bxt: Sanitize DC state tracking during system resume
drm/i915/bxt: Don't uninit/init display core twice during system suspend/resume
drm/i915: Inline intel_suspend_complete
drm/i915/kbl: Don't WARN for expected secondary MISC IO power well request
drm/i915: Fix eDP low vswing for Broadwell
drm/i915: check for ERR_PTR from i915_gem_object_pin_map()
drm/i915/guc: local optimisations and updating comments
drm/i915/guc: drop cached copy of 'wq_head'
drm/i915/guc: keep GuC doorbell & process descriptor mapped in kernel
...
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Avoids drivers knowing where the kref is stored.
[airlied: add kerneldoc]
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
- make modeset hw state checker atomic aware (Maarten)
- close races in gpu stuck detection/seqno reading (Chris)
- tons&tons of small improvements from Chris Wilson all over the gem code
- more dsi/bxt work from Ramalingam&Jani
- macro polish from Joonas
- guc fw loading fixes (Arun&Dave)
- vmap notifier (acked by Andrew) + i915 support by Chris Wilson
- create bottom half for execlist irq processing (Chris Wilson)
- vlv/chv pll cleanup (Ville)
- rework DP detection, especially sink detection (Shubhangi Shrivastava)
- make color manager support fully atomic (Maarten)
- avoid livelock on chv in execlist irq handler (Chris)
* tag 'drm-intel-next-2016-04-11' of git://anongit.freedesktop.org/drm-intel: (82 commits)
drm/i915: Update DRIVER_DATE to 20160411
drm/i915: Avoid allocating a vmap arena for a single page
drm,i915: Introduce drm_malloc_gfp()
drm/i915/shrinker: Restrict vmap purge to objects with vmaps
drm/i915: Refactor duplicate object vmap functions
drm/i915: Consolidate common error handling in intel_pin_and_map_ringbuffer_obj
drm/i915/dmabuf: Tighten struct_mutex for unmap_dma_buf
drm/i915: implement WaClearTdlStateAckDirtyBits
drm/i915/bxt: Reversed polarity of PORT_PLL_REF_SEL bit
drm/i915: Rename hw state checker to hw state verifier.
drm/i915: Move modeset state verifier calls.
drm/i915: Make modeset state verifier take crtc as argument.
drm/i915: Replace manual barrier() with READ_ONCE() in HWS accessor
drm/i915: Use simplest form for flushing the single cacheline in the HWS
drm/i915: Harden detection of missed interrupts
drm/i915: Separate out the seqno-barrier from engine->get_seqno
drm/i915: Remove forcewake dance from seqno/irq barrier on legacy gen6+
drm/i915: Fixup the free space logic in ring_prepare
drm/i915: Simplify check for idleness in hangcheck
drm/i915: Apply a mb between emitting the request and hangcheck
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Backmerge 4.6-rc3 for i915.
Linux 4.6-rc3
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git://anongit.freedesktop.org/drm-intel into drm-next
misc pull req all over. Biggest thing is the
drm_connector_(un)register_all cleanup from Alexey for drivers without the
load/unload midlayer hooks. I.e. all the new ones, and a bunch of the
pending new atomic drivers depend upon this. Or at least I asked them to
rebase ;-)
* tag 'topic/drm-misc-2016-04-21' of git://anongit.freedesktop.org/drm-intel:
drm: Make drm.debug parameter description more helpful
drm: Remove warning from drm_connector_unregister_all()
drm: probe_helper: Hide ugly ifdef
drm: rcar-du: Use generic drm_connector_register_all() helper
drm: atmel_hldc: Use generic drm_connector_register_all() helper
drm: Introduce drm_connector_register_all() helper
drm: fix lut value extraction function
drm/atomic-helper: Print an error if vblank wait times out
drm/dp/mst: Restore primary hub guid on resume
drm: Release driver references to handle before making it available again
drm/i915/dp/mst: Add source port info to debugfs output
drm/dp/mst: Enhance DP MST debugfs output
drm/edid: Add drm_edid_get_monitor_name()
include/drm: Reword debug categories comment.
drm/crtc_helper: Reset empty plane state in drm_helper_crtc_mode_set_base()
drm/virtio: Drop dummy gamma table support
drm/bochs: Drop fake gamma support
drm/core: Fix ordering in drm_mode_config_cleanup.
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Modify the debugfs output for i915_dp_mst_info to list the source port for
the DP MST topology in question.
v2: rebase
v3: rebase
v4: rebase
cc: Jani Nikula <jani.nikula@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jim Bride <jim.bride@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1460654317-31288-3-git-send-email-jim.bride@linux.intel.com
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It's racy, creating mmap offsets is a slowpath, so better to remove it
to avoid drivers doing broken things.
The only user is i915, and it's ok there because everything (well
almost) is protected by dev->struct_mutex in i915-gem.
While at it add a note in the create_mmap_offset kerneldoc that
drivers must release it again. And then I also noticed that
drm_gem_object_release entirely lacks kerneldoc.
Cc: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1459330852-27668-14-git-send-email-daniel.vetter@ffwll.ch
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git://anongit.freedesktop.org/drm-intel into drm-next
- VBT code refactor for a clean split between parsing&using of firmware
information (Jani)
- untangle the pll computation code, and splitting up the monster
i9xx_crtc_compute_clocks (Ander)
- dsi support for bxt (Jani, Shashank Sharma and others)
- color manager (i.e. de-gamma, color conversion matrix & gamma support) from
Lionel Landwerlin
- Vulkan hsw support in the command parser (Jordan Justen)
- large-scale renaming of intel_engine_cs variables/parameters to avoid the epic
ring vs. engine confusion introduced in gen8 (Tvrtko Ursulin)
- few atomic patches from Maarten&Matt, big one is two-stage wm programming on ilk-bdw
- refactor driver load and add infrastructure to inject load failures for
testing, from Imre
- various small things all over
* tag 'drm-intel-next-2016-03-30' of git://anongit.freedesktop.org/drm-intel: (179 commits)
drm/i915: Update DRIVER_DATE to 20160330
drm/i915: Call intel_dp_mst_resume() before resuming displays
drm/i915: Fix races on fbdev
drm/i915: remove unused dev_priv->render_reclock_avail
drm/i915: move sdvo mappings to vbt data
drm/i915: move edp low vswing config to vbt data
drm/i915: use a substruct in vbt data for edp
drm/i915: replace for_each_engine()
drm/i915: introduce for_each_engine_id()
drm/i915/bxt: Fix DSI HW state readout
drm/i915: Remove vblank wait from hsw_enable_ips, v2.
drm/i915: Tidy aliasing_gtt_bind_vma()
drm/i915: Split PNV version of crtc_compute_clock()
drm/i915: Split g4x_crtc_compute_clock()
drm/i915: Split i8xx_crtc_compute_clock()
drm/i915: Split CHV and VLV specific crtc_compute_clock() hooks
drm/i915: Merge ironlake_compute_clocks() and ironlake_crtc_compute_clock()
drm/i915: Move fp divisor calculation into ironlake_compute_dpll()
drm/i915: Pass crtc_state->dpll directly to ->find_dpll()
drm/i915: Simplify ironlake_crtc_compute_clock() CPU eDP case
...
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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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This allows us to ditch a ton of ugly #ifdefs from a bunch of drm modeset
drivers.
v2: Make the dummy function actually return a sane value, spotted by
Ville.
v3: Because the patch is still in limbo there's no more drivers to
convert, noticed by Emil.
v4: Rebase once more, because hooray. I'll just go ahead an apply this
one later on to drm-misc.
Cc: Emil Velikov <emil.l.velikov@gmail.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Also make the code more readable.
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1463148278-23193-2-git-send-email-jani.nikula@intel.com
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Under full-ppgtt, access to the global GTT is carefully regulated
through hardware functions (i.e. userspace cannot read and write to
arbitrary locations in the GGTT via the GPU). With this restriction in
place, we can forgo clearing stale entries from the GGTT as they will
not be accessed.
For aliasing-ppgtt, we could almost do the same except that we do allow
userspace access to the global-GTT via execbuf in order to workraound
some quirks of certain instructions. (This execbuf path is filtered out
with EINVAL on full-ppgtt.)
The most dramatic effect this will have will be during resume, as with
full-ppgtt the GGTT is only used sparingly.
References: https://bugs.freedesktop.org/show_bug.cgi?id=94722
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: David Weinehall <david.weinehall@intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Tested-by: David Weinehall <david.weinehall@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1463207195-22076-4-git-send-email-chris@chris-wilson.co.uk
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Now that we mark the object domains for having been restored from the
hibernation image, we not need to flush everything during resume and
can instead rely on the normal domain tracking to flush only when
required. The only caveat here are objects that are pinned for use by
the hardware, whose contents must be coherent for when the device
resumes reading from then (shortly afterwards with the driver assuming
the objects are in the correct domain).
References: https://bugs.freedesktop.org/show_bug.cgi?id=94722
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Imre Deak <imre.deak@intel.com>
Cc: David Weinehall <david.weinehall@intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Tested-by: David Weinehall <david.weinehall@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1463207195-22076-3-git-send-email-chris@chris-wilson.co.uk
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When creating the hibernation image, the CPU will read the pages of all
objects and thus conflict with our domain tracking. We need to update
our domain tracking to accurately reflect the state on restoration.
v2: Perform the domain tracking inside freeze, before the image is
written, rather than upon restoration.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Imre Deak <imre.deak@intel.com>
Cc: David Weinehall <david.weinehall@intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1463207195-22076-2-git-send-email-chris@chris-wilson.co.uk
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Currently for handling the extra hibernation phases we just call the
equivalent suspend/resume phases. In the next couple of patches, I wish
to specialise the hibernation phases to reduce the amount of work
required for handling GEM objects.
v2: There are more! Don't forget the freeze phases.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Imre Deak <imre.deak@intel.com>
Cc: David Weinehall <david.weinehall@intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1463207195-22076-1-git-send-email-chris@chris-wilson.co.uk
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When we resume the watermark register may contain some BIOS leftovers,
or just the hardware reset values. We should ignore those as the
pipes will be off anyway, and so frobbing around with intermediate
watermarks doesn't make much sense.
In fact I think we should just throw the skip_intermediate_wm flag
out, and instead properly sanitize the "active" watermarks to match
the current plane and pipe states. The actual wm state readout might
also need a bit of work. But for now, let's continue with the
skip_intermediate_wm to keep the fix more minimal.
Fixes this sort of errors on resume
[drm:ilk_validate_pipe_wm] LP0 watermark invalid
[drm:intel_crtc_atomic_check] No valid intermediate pipe watermarks are possible
[drm:intel_display_resume [i915]] *ERROR* Restoring old state failed with -22
and a boatload of subsequent modeset BAT fails on my ILK.
v2:
- Rebase; the SKL atomic WM patches that just landed changed the WM
structure fields in intel_crtc_state slightly. (Matt)
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Fixes: ed4a6a7ca853 ("drm/i915: Add two-stage ILK-style watermark programming (v11)")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1463159442-20478-1-git-send-email-matthew.d.roper@intel.com
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When we read out the watermark state from the hardware we're supposed to
transfer that into the active watermarks, but currently we fail to any
part of the active watermarks that isn't explicitly written. Let's clear
it all upfront.
Looks like this has been like this since the beginning, when I added the
readout. No idea why I didn't clear it up.
Cc: Matt Roper <matthew.d.roper@intel.com>
Fixes: 243e6a44b9ca ("drm/i915: Init HSW watermark tracking in intel_modeset_setup_hw_state()")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1463151318-14719-2-git-send-email-ville.syrjala@linux.intel.com
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All the fields in CDCLK_CTL we don't program should be left at zero, so
let's just get rid of the RMW.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1462995892-32416-14-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Imre Deak <imre.deak@intel.com>
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BXT could change the CD2X divider synchronized with a single pipe.
So assuming the DE PLL frequency doesn't need to be changed, we could
change cdclk without shutting off the pipe (when only a single pipe is
enabled). In the meantime let's configure CDCLK_CTL for non-double
buffered CD2X update, although it shouldn't really matter as long as
the selected pipe is disabled when reprogramming the divider.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1462995892-32416-13-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Imre Deak <imre.deak@intel.com>
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The 'required' part of 'required_vco' should be obvious. Let's just call
it 'vco' for brevity.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1462995892-32416-12-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
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Rename the generic sounding freq/frequency parameters to the cdclk
functions to 'cdclk' so that we'll know which clock we're talking about
once we have to deal with the vco frequencies as well.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1462995892-32416-11-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
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We calculate the CDCLK_CTL value from scratch so no need to attempt
some form of RMW first.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1462995892-32416-10-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
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Make thins a bit easier to read by extracting the SKL DPLL0
disable into separate functions. We already have the enable
counterpart. Down the line this will also help make the cdclk
programming on SKL, BXT, and following platforms look rather
consistent.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1462995892-32416-9-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
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We don't need any pixel clock vs. cdclk guardband since HSW. BXT still
tries to add one though. Get rid of it.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1462995892-32416-8-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Imre Deak <imre.deak@intel.com>
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Both SKL and BXT need to fill in the "decimal" cdclk frequency into
the CDCLK_CTL register. SKL uses a small helper to do the kHz->"decimal"
conversion, whereas BXT has it open-coded. Use the helper on BXT too.
While at it, change it to round to closest rather than down. It doesn't
actually matter with the frequencies we have to deal with, but it seems
like the right thing to do.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1462995892-32416-7-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
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BXT uses the "pch" panel fitter configuration, so we can use
ilk_max_pixel_rate() instead of intel_mode_max_pixclk() to compute the
pipe pixel rate. ilk_max_pixel_rate() will account for the pipe
scaler downscaling factor whereas intel_mode_max_pixclk() will not.
I'm pretty sure the same limitation is there on GMCH platforms, but
no one just bothered to implement the downscaling adjustment for them.
Probably should just unify the panel fitter setup more across the
platforms and use the exact same code on all platforms for this.
But in the meantime, let's at least make BXT a bit more correct.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1462995892-32416-6-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
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broxton_calc_cdclk() doesn't need dev_priv for anything, so let's not
bother passing it around.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1462995892-32416-5-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
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Split the .fdi_link_train and .modeset_commit_cdclk/.modeset_calc_cdclk
into two separate if ladders. Much easier to read when you're not
confusing two totally separate subjects.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1462995892-32416-4-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
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