| Commit message (Collapse) | Author | Age |
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It has a DRIVER_MODESET check to sure make it's not creating havoc
for drm drivers. Make that clear in the name too.
v2: Move misplaced hunk, spotted by 0day and Thierry.
Cc: Thierry Reding <thierry.reding@gmail.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1461691808-12414-2-git-send-email-daniel.vetter@ffwll.ch
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Otherwise, building with DEBUG_FS enabled will trigger a build warning
because we're using a structure that has not been declared.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Need to move the free function around a bit, but otherwise mostly
just removing code.
Specifically we can nuke all the _locked variants since the weak idr
reference is now protected by the idr_mutex, which we never hold
anywhere expect in the lookup/reg/unreg functions. And those never
call anything else.
Another benefit of this is that this patch switches the weak reference
logic from kref_put_mutex to kref_get_unless_zero. And the later is in
general more flexible wrt accomodating multiple weak references
protected by different locks, which might or might not come handy
eventually.
But one consequence of that switch is that we need to acquire the
blob_lock from the free function for the list_del calls. That's a bit
tricky to pull off, but works well if we pick the exact same scheme as
is already used for framebuffers. Most important changes:
- filp list is maintainer by create/destroy_blob ioctls directly
(already the case, so we can just remove the redundant list_del from
the free function).
- filp close handler walks the filp-private list lockless - works
because we know no one else can access it. I copied the same comment
from the fb code over to explain this.
- Otherwise we need to sufficiently restrict blob_lock critical
sections to avoid all the unreference calls. Easy to do once the
blob_lock only protects the list, and no longer the weak reference.
Cc: Dave Airlie <airlied@gmail.com>
Cc: Daniel Stone <daniels@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This is the initial code to add references to some mode objects.
In the future we need to start reference counting connectors so
firstly I want to reorganise the code so the framebuffer ref counting
uses the same paths.
This patch shouldn't change any functionality, just moves the kref.
[airlied: move kerneldoc as well]
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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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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Linux 4.6-rc3
Backmerge requested by Chris Wilson to make his patches apply cleanly.
Tiny conflict in vmalloc.c with the (properly acked and all) patch in
drm-intel-next:
commit 4da56b99d99e5a7df2b7f11e87bfea935f909732
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Mon Apr 4 14:46:42 2016 +0100
mm/vmap: Add a notifier for when we run out of vmap address space
and Linus' tree.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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I have instances where I want to use drm_malloc_ab() but with a custom
gfp mask. And with those, where I want a temporary allocation, I want to
try a high-order kmalloc() before using a vmalloc().
So refactor my usage into drm_malloc_gfp().
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: dri-devel@lists.freedesktop.org
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Dave Airlie <airlied@redhat.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1460113874-17366-6-git-send-email-chris@chris-wilson.co.uk
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Backmerge 4.6-rc3 for i915.
Linux 4.6-rc3
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Fixes ttm on platforms like PPC460 where the CPU
is in 32-bit mode, but the physical addresses are
>32 bits.
Extracted from a patch by Hans Verkuil.
Tested-by: Julian Margetson <runaway@candw.ms>
Acked-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Cc: Julian Margetson <runaway@candw.ms>
Cc: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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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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Push the ifdef to the drm_edid.h and create a stub, for the
DRM_LOAD_EDID_FIRMWARE=n case. This removes some clutter in
the code, making it more readable.
Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1461087638-16959-1-git-send-email-ezequiel@vanguardiasur.com.ar
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As a pair to already existing drm_connector_unregister_all() we're adding
generic implementation of what is already done in some drivers.
Once this helper is implemented we'll be ready to switch existing
driver-specific implementations with the generic one.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: David Airlie <airlied@linux.ie>
Cc: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1461068693-11260-2-git-send-email-abrodkin@synopsys.com
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When extracting the value at full precision (16 bits), no need to
round the value.
This was spotted by Jani when running sparse. Unfortunately this fix
doesn't get rid of the warning.
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reported-by: Jani Nikula <jani.nikula@intel.com>
Cc: Daniel Stone <daniels@collabora.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: dri-devel@lists.freedesktop.org
Fixes: 5488dc16fde7 ("drm: introduce pipe color correction properties")
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1458655833-19547-1-git-send-email-lionel.g.landwerlin@intel.com
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In order to include monitor name information in debugfs
output we needed to add a function that would extract the
monitor name from the EDID, and that function needed to
reside in the file where the rest of the EDID helper
functions are implemented.
v2: Refactor to have drm_edid_get_monitor_name() and drm_edid_to_eld()
use a common helper function to extract the monitor name from the
edid. [Jani] + rebase.
v3: Minor changes suggested by Jani + rebase.
v4: Few more minor changes suggested by Jani + rebase.
cc: dri-devel@lists.freedesktop.org
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/1460654317-31288-1-git-send-email-jim.bride@linux.intel.com
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The debug category comment mentions 4 categories, but
more than 4 categories are listed. Let's change the
wording to something a bit more generic.
Signed-off-by: Robert Foss <robert.foss@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1460644456-9752-1-git-send-email-robert.foss@collabora.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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drm-next
This pull request want to land the analogix_dp driver into drm/bridge directory,
which reused the Exynos DP code, and add Rockchip DP support. And those
patches have been:
* 'drm-next-analogix-dp-v2' of github.com:yakir-Yang/linux:
drm: bridge: analogix/dp: Fix the possible dead lock in bridge disable time
drm: bridge: analogix/dp: add panel prepare/unprepare in suspend/resume time
drm: bridge: analogix/dp: add edid modes parse in get_modes method
drm: bridge: analogix/dp: move hpd detect to connector detect function
drm: bridge: analogix/dp: try force hpd after plug in lookup failed
drm: bridge: analogix/dp: add max link rate and lane count limit for RK3288
drm: bridge: analogix/dp: add some rk3288 special registers setting
dt-bindings: add document for rockchip variant of analogix_dp
drm: rockchip: dp: add rockchip platform dp driver
ARM: dts: exynos/dp: remove some properties that deprecated by analogix_dp driver
dt-bindings: add document for analogix display port driver
drm: bridge: analogix/dp: dynamic parse sync_pol & interlace & dynamic_range
drm: bridge: analogix/dp: remove duplicate configuration of link rate and link count
drm: bridge: analogix/dp: fix some obvious code style
drm: bridge: analogix/dp: rename register constants
drm/exynos: dp: rename implementation specific driver part
drm: bridge: analogix/dp: split exynos dp driver to bridge directory
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Rockchip have three clocks for dp controller, we leave pclk_edp
to analogix_dp driver control, and keep the sclk_edp_24m and
sclk_edp in platform driver.
Acked-by: Mark Yao <mark.yao@rock-chips.com>
Tested-by: Caesar Wang <wxt@rock-chips.com>
Tested-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Yakir Yang <ykk@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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Split the dp core driver from exynos directory to bridge directory,
and rename the core driver to analogix_dp_*, rename the platform
code to exynos_dp.
Beside the new analogix_dp driver would export six hooks.
"analogix_dp_bind()" and "analogix_dp_unbind()"
"analogix_dp_suspned()" and "analogix_dp_resume()"
"analogix_dp_detect()" and "analogix_dp_get_modes()"
The bind/unbind symbols is used for analogix platform driver to connect
with analogix_dp core driver. And the detect/get_modes is used for analogix
platform driver to init the connector.
They reason why connector need register in helper driver is rockchip drm
haven't implement the atomic API, but Exynos drm have implement it, so
there would need two different connector helper functions, that's why we
leave the connector register in helper driver.
Acked-by: Inki Dae <inki.dae@samsung.com>
Tested-by: Caesar Wang <wxt@rock-chips.com>
Tested-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Yakir Yang <ykk@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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git://anongit.freedesktop.org/drm-intel into drm-next
* tag 'topic/drm-misc-2016-04-01' of git://anongit.freedesktop.org/drm-intel:
drm: Add new DCS commands in the enum list
drm: Make uapi headers C89 pendantic compliant
drm/atomic: export drm_atomic_helper_wait_for_fences()
drm: Untangle __KERNEL__ guards
drm: Move DRM_MODE_OBJECT_* to uapi headers
drm: align #include directives with libdrm in uapi headers
drm: Make drm.h uapi header safe for C++
vgacon: dummy implementation for vgacon_text_force
drm/sysfs: Nuke TV/DVI property files
drm/ttm: Remove TTM_HAS_AGP
drm: bridge/dw-hdmi: Remove pre_enable/post_disable dummy funcs
Revert "drm: Don't pass negative delta to ktime_sub_ns()"
drm/atmel: Fixup drm_connector_/unplug/unregister/_all
drm: Rename drm_connector_unplug_all() to drm_connector_unregister_all()
drm: bridge: Make (pre/post) enable/disable callbacks optional
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Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1458342904-23326-3-git-send-email-robdclark@gmail.com
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These type defines are officially part of the uapi, but ended up in
the wrong headers somehow when we split them all.
Cc: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1459347584-30566-3-git-send-email-daniel.vetter@ffwll.ch
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It tries to do fancy things with excluding agp support if ttm is
built-in, but agp isn't. Instead just express this depency like drm
does and use CONFIG_AGP everywhere.
Also use the neat Makefile magic to make the entire ttm_agp_backend
file optional.
v2: Use IS_ENABLED(CONFIG_AGP) as suggested by Ville
v3: Review from Emil.
v4: Actually get it right as spotted by 0-day.
Cc: Emil Velikov <emil.l.velikov@gmail.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1459337046-25882-1-git-send-email-daniel.vetter@ffwll.ch
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Current name is a bit misleading because what that helper function
really does it calls drm_connector_unregister() for all connectors.
This all has nothing to do with hotplugging so let's name things
properly.
And while at it remove potentially dangerous locking around
drm_connector_unregister() in rcar_du_remove() as mentioned
in kerneldoc for drm_connector_unregister_all().
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: David Airlie <airlied@linux.ie>
Cc: Boris Brezillon <boris.brezillon@free-electrons.com>
Cc: linux-renesas-soc@vger.kernel.org
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1458722577-20283-2-git-send-email-abrodkin@synopsys.com
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Instead of forcing bridges to implement empty callbacks make them all
optional.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1456480266-7904-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com
Acked-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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Pull drm updates from Dave Airlie:
"This is the main drm pull request for 4.6 kernel.
Overall the coolest thing here for me is the nouveau maxwell signed
firmware support from NVidia, it's taken a long while to extract this
from them.
I also wish the ARM vendors just designed one set of display IP, ARM
display block proliferation is definitely increasing.
Core:
- drm_event cleanups
- Internal API cleanup making mode_fixup optional.
- Apple GMUX vga switcheroo support.
- DP AUX testing interface
Panel:
- Refactoring of DSI core for use over more transports.
New driver:
- ARM hdlcd driver
i915:
- FBC/PSR (framebuffer compression, panel self refresh) enabled by default.
- Ongoing atomic display support work
- Ongoing runtime PM work
- Pixel clock limit checks
- VBT DSI description support
- GEM fixes
- GuC firmware scheduler enhancements
amdkfd:
- Deferred probing fixes to avoid make file or link ordering.
amdgpu/radeon:
- ACP support for i2s audio support.
- Command Submission/GPU scheduler/GPUVM optimisations
- Initial GPU reset support for amdgpu
vmwgfx:
- Support for DX10 gen mipmaps
- Pageflipping and other fixes.
exynos:
- Exynos5420 SoC support for FIMD
- Exynos5422 SoC support for MIPI-DSI
nouveau:
- GM20x secure boot support - adds acceleration for Maxwell GPUs.
- GM200 support
- GM20B clock driver support
- Power sensors work
etnaviv:
- Correctness fixes for GPU cache flushing
- Better support for i.MX6 systems.
imx-drm:
- VBlank IRQ support
- Fence support
- OF endpoint support
msm:
- HDMI support for 8996 (snapdragon 820)
- Adreno 430 support
- Timestamp queries support
virtio-gpu:
- Fixes for Android support.
rockchip:
- Add support for Innosilicion HDMI
rcar-du:
- Support for 4 crtcs
- R8A7795 support
- RCar Gen 3 support
omapdrm:
- HDMI interlace output support
- dma-buf import support
- Refactoring to remove a lot of legacy code.
tilcdc:
- Rewrite of pageflipping code
- dma-buf support
- pinctrl support
vc4:
- HDMI modesetting bug fixes
- Significant 3D performance improvement.
fsl-dcu (FreeScale):
- Lots of fixes
tegra:
- Two small fixes
sti:
- Atomic support for planes
- Improved HDMI support"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (1063 commits)
drm/amdgpu: release_pages requires linux/pagemap.h
drm/sti: restore mode_fixup callback
drm/amdgpu/gfx7: add MTYPE definition
drm/amdgpu: removing BO_VAs shouldn't be interruptible
drm/amd/powerplay: show uvd/vce power gate enablement for tonga.
drm/amd/powerplay: show uvd/vce power gate info for fiji
drm/amdgpu: use sched fence if possible
drm/amdgpu: move ib.fence to job.fence
drm/amdgpu: give a fence param to ib_free
drm/amdgpu: include the right version of gmc header files for iceland
drm/radeon: fix indentation.
drm/amd/powerplay: add uvd/vce dpm enabling flag to fix the performance issue for CZ
drm/amdgpu: switch back to 32bit hw fences v2
drm/amdgpu: remove amdgpu_fence_is_signaled
drm/amdgpu: drop the extra fence range check v2
drm/amdgpu: signal fences directly in amdgpu_fence_process
drm/amdgpu: cleanup amdgpu_fence_wait_empty v2
drm/amdgpu: keep all fences in an RCU protected array v2
drm/amdgpu: add number of hardware submissions to amdgpu_fence_driver_init_ring
drm/amdgpu: RCU protected amd_sched_fence_release
...
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http://anongit.freedesktop.org/git/tegra/linux into drm-next
drm/panel: Changes for v4.6-rc1
This contains a refactoring of parts of the DSI core to allow creating
DSI devices from non-DSI control busses (i.e. I2C, SPI, ...).
Other than that there's support for a couple of new panels as well as
a few cleanup patches.
* tag 'drm/panel/for-4.6-rc1' of http://anongit.freedesktop.org/git/tegra/linux:
drm/bridge: Make (pre/post) enable/disable callbacks optional
drm/panel: simple: Add URT UMSH-8596MD-xT panels support
dt-bindings: Add URT UMSH-8596MD-xT panel bindings
of: Add United Radiant Technology Corporation vendor prefix
drm/panel: simple: Support for LG lp120up1 panel
dt-bindings: Add LG lp120up1 panel bindings
drm/panel: simple: Fix g121x1_l03 hsync/vsync polarity
drm/dsi: Get DSI host by DT device node
drm/dsi: Add routine to unregister a DSI device
drm/dsi: Try to match non-DT DSI devices
drm/dsi: Use mipi_dsi_device_register_full() for DSI device creation
drm/dsi: Check for CONFIG_OF when defining of_mipi_dsi_device_add()
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Instead of forcing bridges to implement empty callbacks make them all
optional.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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MIPI DSI devices are inherently aware of their host because they share a
parent-child hierarchy in the device tree.
Non-DSI drivers that create DSI device don't have this data. In order to
get this information, they require to a phandle to the DSI host in the
device tree.
Maintain a list of all the DSI hosts that are currently registered. This
list will be used to find the struct mipi_dsi_host corresponding to the
device tree node passed to of_find_mipi_dsi_host_by_node().
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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A driver calling mipi_dsi_device_register_full() might want to remove
the device once it's done. It might also require it in an error handling
path in case something went wrong.
Create mipi_dsi_device_unregister() for this purpose and use it within
mipi_dsi_remove_device_fn() as it does the same thing.
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Add a device name field in struct mipi_dsi_device. This name is not the
same as the device name (which is of the format "hostname.reg"). When
the device is created via DT, this name is set to the modalias string.
In the non-DT case, the driver creating the DSI device provides the
name by populating a field in struct mipi_dsi_device_info.
Matching for DT case would be as it was before. For the non-DT case, we
compare the device and driver names. Other buses (like I2C/SPI) perform
a non-DT match by comparing the device name and entries in the driver's
id_table. Such a mechanism isn't used for the DSI bus.
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Use mipi_dsi_device_register_full() for device creation. This takes in
a struct mipi_dsi_device_info as a template to populate the DSI device
information.
The reason to introduce this is to have a way to create DSI devices not
available via DT. Drivers that want to create a DSI device can populate
a struct mipi_dsi_device_info and call this function. For DSI devices
available via DT, of_mipi_dsi_device_add() is used as before, but this
now calls mipi_dsi_device_register_full() internally.
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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git://anongit.freedesktop.org/drm-intel into drm-next
* tag 'topic/drm-misc-2016-03-14' of git://anongit.freedesktop.org/drm-intel: (27 commits)
drm: atomic helper: do not unreference error pointer
drm/edid: Extract SADs properly from multiple audio data blocks
drm: fix blob pointer check
drm: introduce pipe color correction properties
drm/atomic: Clean up update_connector_routing.
drm/atomic: Clean up steal_encoder, v2.
drm/atomic: Handle encoder assignment conflicts in a separate check, v3.
drm/atomic: Handle encoder stealing from set_config better.
drm/atomic: Always call steal_encoder, v2.
drm/ast: removed optional dummy crtc mode_fixup function.
drm/bochs: removed optional dummy crtc mode_fixup function.
drm/fsl-dcu: removed optional dummy crtc mode_fixup function.
drm/virtio: removed optional dummy crtc mode_fixup function.
drm/nouveau/dispnv04: removed optional dummy crtc mode_fixup function.
drm/atmel-hlcdc: remove optional dummy crtc mode_fixup function.
drm/sti: removed optional dummy crtc mode_fixup function.
drm/shmobile: removed optional dummy crtc mode_fixup function.
drm/msm/mdp: removed optional dummy crtc mode_fixup function.
drm/omapdrm: removed optional dummy crtc mode_fixup function.
drm/rcar-du: removed optional dummy crtc mode_fixup function.
...
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Patch based on a previous series by Shashank Sharma.
This introduces optional properties to enable color correction at the
pipe level. It relies on 3 transformations applied to every pixels
displayed. First a lookup into a degamma table, then a multiplication
of the rgb components by a 3x3 matrix and finally another lookup into
a gamma table.
The following properties can be added to a pipe :
- DEGAMMA_LUT : blob containing degamma LUT
- DEGAMMA_LUT_SIZE : number of elements in DEGAMMA_LUT
- CTM : transformation matrix applied after the degamma LUT
- GAMMA_LUT : blob containing gamma LUT
- GAMMA_LUT_SIZE : number of elements in GAMMA_LUT
DEGAMMA_LUT_SIZE and GAMMA_LUT_SIZE are read only properties, set by
the driver to tell userspace applications what sizes should be the
lookup tables in DEGAMMA_LUT and GAMMA_LUT.
A helper is also provided so legacy gamma correction is redirected
through these new properties.
v2: Register LUT size properties as range
v3: Fix round in drm_color_lut_get_value() helper
More docs on how degamma/gamma properties are used
v4: Update contributors
v5: Rename CTM_MATRIX property to CTM (Doh!)
Add legacy gamma_set atomic helper
Describe CTM/LUT acronyms in the kernel doc
v6: Fix missing blob unref in drm_atomic_helper_crtc_reset
Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Kumar, Kiran S <kiran.s.kumar@intel.com>
Signed-off-by: Kausal Malladi <kausalmalladi@gmail.com>
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Acked-by: Rob Bradford <robert.bradford@intel.com>
[danvet: CrOS maintainers are also happy with the userspacde side:
https://codereview.chromium.org/1182063002/ ]
Reviewed-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1456506302-640-4-git-send-email-lionel.g.landwerlin@intel.com
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Instead of failing with -EINVAL when conflicting encoders are found,
the legacy set_config will disable other connectors when encoders
conflict.
With the previous commit this becomes a lot easier to implement.
set_config only adds connectors to the state that are modified,
and because of the previous commit that calls add_affected_connectors
only on set->crtc it means any connector not part of the modeset can
be stolen from. We disable the connector in that case, and possibly
the crtc if required.
Atomic modeset itself still doesn't allow encoder stealing, the results
would be too unpredictable.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1456996662-8704-5-git-send-email-maarten.lankhorst@linux.intel.com
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Nouveau wanted this to avoid some worse conflicts when I merge that.
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into drm-next
imx-drm vblank IRQ control, fence support, and of endpoint helpers
- Add and make use of drm_of_active_endpoint helpers
- Silence a noisy dev_info into a dev_dbg
- Stop touching primary fb on pageflips
- Track flip state explicitly
- Keep GEM buffer objects referenced while scanout is active
- Implement fence sync by deferring flips to a workqueue for
dma-bufs with pending fences
- Actually disable vblank IRQs while they are not needed
* tag 'imx-drm-next-20160301' of git://git.pengutronix.de/git/pza/linux:
drm/imx: only enable vblank IRQs when needed
drm/imx: implement fence sync
drm/imx: keep GEM object referenced as long as scanout is active
drm/imx: track flip state explicitly
drm/imx: don't touch primary fb on pageflip
drm/imx: ipuv3 plane: Replace dev_info with dev_dbg if a plane's CRTC changes
gpu: ipu-v3: ipu-dc: Simplify display controller microcode setup
drm/rockchip: remove rockchip_drm_encoder_get_mux_id
drm/imx: remove imx_drm_encoder_get_mux_id
drm: add drm_of_encoder_active_endpoint helpers
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This patch adds a helper to parse the encoder endpoint connected to the
encoder's crtc and two helpers to return its id and port id.
This can be used to determine input mux setting from endpoint or port ids.
Suggested-by: Daniel Kurtz <djkurtz@chromium.org>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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Platform data structures are not used for long time so the whole header
file can be safely removed.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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struct exynos_drm_panel_info is not used anymore, except exynos_dp,
which can integrate useful fields directly into its context.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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git://anongit.freedesktop.org/drm-intel into drm-next
- lots and lots of fbc work from Paulo
- max pixel clock checks from Mika Kahola
- prep work for nv12 offset handling from Ville
- piles of small fixes and refactorings all around
* tag 'drm-intel-next-2016-02-14' of git://anongit.freedesktop.org/drm-intel: (113 commits)
drm/i915: Update DRIVER_DATE to 20160214
drm/i915: edp resume/On time optimization.
agp/intel-gtt: Only register fake agp driver for gen1
drm/i915: TV pixel clock check
drm/i915: CRT pixel clock check
drm/i915: SDVO pixel clock check
drm/i915: DisplayPort-MST pixel clock check
drm/i915: HDMI pixel clock check
drm/i915: DisplayPort pixel clock check
drm/i915: check that rpm ref is held when accessing ringbuf in stolen mem
drm/i915: fix error path in intel_setup_gmbus()
drm/i915: Stop depending upon CONFIG_AGP_INTEL
agp/intel-gtt: Don't leak the scratch page
drm/i915: Capture PCI revision and subsytem details in error state
drm/i915: fix context/engine cleanup order
drm/i915: Handle PipeC fused off on IVB/HSW/BDW
drm/i915/skl: Fix typo in DPLL_CFGCR1 definition
drm/i915: Skip DDI PLL selection for DSI
drm/i915/skl: Explicitly check for eDP in skl_ddi_pll_select()
drm/i915/skl: Don't skip mst encoders in skl_ddi_pll_select()
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Backmerge to get at the new encoder_mask support in atomic helpers.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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Used by production devices:
Intel(R) Iris Graphics 540 (Skylake GT3e)
Intel(R) Iris Graphics 550 (Skylake GT3e)
v2: More ids
v3: Less ids (GT1 got duplicated)
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1454674902-26207-1-git-send-email-michal.winiarski@intel.com
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Add PCIIDs for new versions of the SOC, based on BSpec. Also add the
name of the versions as code comment where this is available. The new
versions don't have any changes visible to the kernel driver.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1453989852-13569-1-git-send-email-imre.deak@intel.com
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This module is heavily based on i2c-dev. Once loaded, it provides one
dev node per DP AUX channel, named drm_dp_auxN, where N is an integer.
It's possible to know which connector owns this aux channel by looking
at the respective sysfs /sys/class/drm_aux_dev/drm_dp_auxN/connector, if
the connector device pointer was correctly set in the aux helper struct.
Two main operations are provided on the registers read and write. The
address of the register to be read or written is given using lseek. The
seek position is updated upon read or write.
v2:
- lseek is used to select the register to read/write
- read/write are used instead of ioctl
- no blocking_notifier is used, just a direct callback
v3:
- use drm_dp_aux_dev prefix for public functions
- chardev is named drm_dp_auxN
- read/write don't allocate a buffer anymore, and transfer up to 16 bytes a
time
- remove notifier list from the implementation
- option on menuconfig is now a boolean
- add inline stub functions to avoid breakage when this option is disabled
v4:
- fix build system changes - actually disable this module when not selected.
v5:
- Use kref to avoid device closing while still in use
- Don't use list, use an idr for storing aux_dev
- Remove "connector" attribute
- set aux.dev to the connector drm_connector device, instead of
drm_device
v6:
- Use atomic_t for usage count
- Use a mutex instead of spinlock for idr lock
- Destroy chardev immediately on unregister
- other minor suggestions from Ville
v7:
- style fixes
- error handling fixes
v8:
- more error handling fixes
v9:
- remove module_init and module_exit, and add drm_dp_aux_dev_init/exit
to drm_kms_helper_init/exit.
Signed-off-by: Rafael Antognolli <rafael.antognolli@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1453417821-2811-3-git-send-email-rafael.antognolli@intel.com
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The module_init and module_exit functions will start here, and call the
subsequent init's and exit's.
v10:
- Keep __init on drm_fb_helper init function.
- Move MODULE_* macros to the common file.
Signed-off-by: Rafael Antognolli <rafael.antognolli@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1453417821-2811-2-git-send-email-rafael.antognolli@intel.com
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Avoids null crash when encoders don't implement mode_fixup.
Signed-off-by: Carlos Palminha <palminha@synopsys.com>
[danvet: Also update kerneldoc.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1455106522-32307-1-git-send-email-palminha@synopsys.com
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Add a few helpers to get the dimensions of the chroma plane(s).
v2: Add kernel-doc (Daniel)
v3: Fix kerneldoc "Returns:" style (Daniel)
Uninline the functions and check for num_planes (Daniel)
v4: Add the required EXPORT_SYMBOL()s
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1455031784-10941-1-git-send-email-ville.syrjala@linux.intel.com
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Originally by Seth Forshee <seth.forshee@canonical.com>, 2012-10-04:
Some dual graphics machines support muxing the DDC separately from
the display, so make use of this functionality when reading the EDID
on the inactive GPU. Also serialize drm_get_edid() with a mutex to
avoid races on the DDC mux state.
Modified by Dave Airlie <airlied@gmail.com>, 2012-12-22:
I can't figure out why I didn't like this, but I rewrote this [...]
to lock/unlock the ddc lines [...]. I think I'd prefer something
like that otherwise the interface got really ugly.
Modified by Lukas Wunner <lukas@wunner.de>, 2015-04 - 2015-09:
v3: Move vga_switcheroo calls to a wrapper around drm_get_edid()
which drivers can call on muxed machines. This avoids other
drivers having to go through the vga_switcheroo motions even
though they are never used on a muxed platform
(Thierry Reding, Daniel Vetter, Alex Deucher)
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=88861
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=61115
Tested-by: Pierre Moreau <pierre.morrow@free.fr>
[MBP 5,3 2009 nvidia MCP79 + G96 pre-retina 15"]
Tested-by: William Brown <william@blackhats.net.au>
[MBP 8,2 2011 intel SNB + amd turks pre-retina 15"]
Tested-by: Lukas Wunner <lukas@wunner.de>
[MBP 9,1 2012 intel IVB + nvidia GK107 pre-retina 15"]
Cc: Seth Forshee <seth.forshee@canonical.com>
Cc: Dave Airlie <airlied@gmail.com>
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/b898d0da4c134f2642d0122479006863e1830723.1452525860.git.lukas@wunner.de
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