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We recently bikeshedded this to a different flavour, but forgot to
update the recommendations.
Cc: Chris Wilson <[email protected]>
Cc: Ville Syrjälä <[email protected]>
Reviewed-by: Chris Wilson <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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Motivated by review comments from Ville&Sean.
Cc: Ville Syrjälä <[email protected]>
Cc: Sean Paul <[email protected]>
Reviewed-by: Ville Syrjälä <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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We already have a separate overview doc for this, makes sense to
untangle it from the overall atomic helpers.
v2: Rebase
v3: Rebase more.
Acked-by: Ville Syrjälä <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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Typed up all the items Rodrigo capture at the vkms workshop at
xdc2018:
https://etherpad.net/p/vkms_todo
v2: Review from Rodrigo.
- Add eBPF for atomic check, I forgot it.
- Improve spelling.
Signed-off-by: Daniel Vetter <[email protected]>
Cc: Gustavo Padovan <[email protected]>
Cc: Maarten Lankhorst <[email protected]>
Cc: Sean Paul <[email protected]>
Cc: Haneen Mohammed <[email protected]>
Cc: Rodrigo Siqueira <[email protected]>
Reviewed-by: Rodrigo Siqueira <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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into drm-next
This is a new pull for drm-next on top of last weeks with the following
changes:
- Fixed 64 bit divide
- Fixed vram type on vega20
- Misc vega20 fixes
- Misc DC fixes
- Fix GDS/GWS/OA domain handling
Previous changes from last week:
amdgpu/kfd:
- Picasso (new APU) support
- Raven2 (new APU) support
- Vega20 enablement
- ACP powergating improvements
- Add ABGR/XBGR display support
- VCN JPEG engine support
- Initial xGMI support
- Use load balancing for engine scheduling
- Lots of new documentation
- Rework and clean up i2c and aux handling in DC
- Add DP YCbCr 4:2:0 support in DC
- Add DMCU firmware loading for Raven (used for ABM and PSR)
- New debugfs features in DC
- LVDS support in DC
- Implement wave kill for gfx/compute (light weight reset for shaders)
- Use AGP aperture to avoid gart mappings when possible
- GPUVM performance improvements
- Bulk moves for more efficient GPUVM LRU handling
- Merge amdgpu and amdkfd into one module
- Enable gfxoff and stutter mode on Raven
- Misc cleanups
Scheduler:
- Load balancing support
- Bug fixes
ttm:
- Bulk move functionality
- Bug fixes
radeon:
- Misc cleanups
Signed-off-by: Dave Airlie <[email protected]>
From: Alex Deucher <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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Add an initial kerneldoc entry for vkms with a todo list.
Signed-off-by: Haneen Mohammed <[email protected]>
[danvet: Keep the todo.rst entry to point at the vkms docs instead.]
Signed-off-by: Daniel Vetter <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/20180907174136.GA2648@haneenDRM
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This leaves all the commit/check and state handling in drm_atomic.c,
while pulling all the uapi glue and the huge ioctl itself into a
seprate file.
This seems to almost perfectly split the rather big drm_atomic.c file
into 2 equal sizes.
Also adjust the kerneldoc and type a very terse overview text.
v2: Rebase.
v3: Fix tiny typo.
v4:
- Fixup armada, newly converted atomic driver hooray!
- Fixup msm/dpu1, newly added too.
Signed-off-by: Daniel Vetter <[email protected]>
Cc: David Airlie <[email protected]>
Cc: Gustavo Padovan <[email protected]>
Cc: Maarten Lankhorst <[email protected]>
Cc: Sean Paul <[email protected]>
Cc: Jani Nikula <[email protected]>
Cc: Joonas Lahtinen <[email protected]>
Cc: Rodrigo Vivi <[email protected]>
Cc: Rob Clark <[email protected]>
Cc: Eric Anholt <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Acked-by: Rodrigo Vivi <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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- drmP.h is now fully split up.
- vkms is happening (and will gain its own todo and docs under a new
vkms.rst file real soon)
- legacy cruft is completely hidden now, drm_vblank.c is split out
from drm_irq.c now. I've decided to drop the task to split out
drm_legacy.ko, partially because Dave already rejected a patch to
hide the old dri1 drivers better. Current state feels good enough to
me.
- best_encoder atomic cleanup is done (it's now the default, not even
exported anymore)
- bunch of smaller things
v2:
- Explain why the drm_legacy.ko task is dropped (Emil).
- typos (Sam).
v3: Fix typo (Ilia)
Reviewed-by: Emil Velikov <[email protected]>
Reviewed-by: Heiko Stuebner <[email protected]>
Cc: Ilia Mirkin <[email protected]>
Cc: Sam Ravnborg <[email protected]>
Cc: Emil Velikov <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
Cc: Gustavo Padovan <[email protected]>
Cc: Maarten Lankhorst <[email protected]>
Cc: Sean Paul <[email protected]>
Cc: David Airlie <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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Remove the kerneldoc and EXPORT_SYMBOL which aren't used and really
shouldn't ever be used by drivers directly.
Unfortunately this means we need to move the set_writeback_fb function
around to avoid a forward decl.
Acked-by: Heiko Stuebner <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
Cc: David Airlie <[email protected]>
Cc: Gustavo Padovan <[email protected]>
Cc: Maarten Lankhorst <[email protected]>
Cc: Sean Paul <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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We have introduce new return type vm_fault_t for
fault handler. Update the document for the same.
Signed-off-by: Souptick Joarder <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/20180904041505.GA2712@jordon-HP-15-Notebook-PC
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Fixes: "drm/scheduler: rename gpu_scheduler.c to sched_main.c"
Reviewed-by: Christian König <[email protected]>
Signed-off-by: Michel Dänzer <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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Now that 4.19-rc1 is cut, backmerge it into -misc-next.
Signed-off-by: Sean Paul <[email protected]>
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There's a number of things which haven't previously been documented
around the usage of format modifiers. Capture the current
understanding in an overview comment and add it to the rst
documentation.
Ideally, the generated documentation would also include documentation
of all of the #defines, but the kernel-doc system doesn't currently
support kernel-doc comments on #define constants.
Suggested-by: Daniel Vetter <[email protected]>
Signed-off-by: Brian Starkey <[email protected]>
Reviewed-by: Daniel Vetter <[email protected]>
Signed-off-by: Alexandru Gheorghe <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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For hangs, dump copy out the contents of the buffer objects attached to the
guilty submission and print them in the crash dump report.
Signed-off-by: Jordan Crouse <[email protected]>
Signed-off-by: Rob Clark <[email protected]>
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HLSQ, SP and TP registers are only accessible from a special
aperture and to make matters worse the aperture is blocked from
the CPU on targets that can support secure rendering. Luckily the
GPU hardware has its own purpose built register dumper that can
access the registers from the aperture. Add a5xx specific code
to program the crashdumper and retrieve the wayward registers
and dump them for the crash state.
Also, remove a block of registers the regular CPU accessible
list that aren't useful for debug which helps reduce the size
of the crash state file by a goodly amount.
Signed-off-by: Jordan Crouse <[email protected]>
Signed-off-by: Rob Clark <[email protected]>
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Add the contents of each ringbuffer to the GPU state and dump the
data in the crash file encoded with ascii85. To save space only
the used portions of the ringbuffer are dumped.
Signed-off-by: Jordan Crouse <[email protected]>
Signed-off-by: Rob Clark <[email protected]>
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Convert the format of the 'show' debugfs file and the crash
dump to a format resembling YAML. This should be easier to
parse and be more flexible for future changes and expansions.
v2: Use a standard .rst for the msm crashdump documentation
Signed-off-by: Jordan Crouse <[email protected]>
Signed-off-by: Rob Clark <[email protected]>
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git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for 4.19:
Core Changes:
- add support for DisplayPort CEC-Tunneling-over-AUX (Hans Verkuil)
- more doc updates (Daniel Vetter)
- fourcc: Add is_yuv field to drm_format_info (Ayan Kumar Halder)
- dma-buf: correctly place BUG_ON (Michel Dänzer)
Driver Changes:
- more vkms support(Rodrigo Siqueira)
- many fixes and small improments to all drivers
Signed-off-by: Dave Airlie <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/20180718200826.GA20165@juma
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git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for 4.19:
Cross-subsystem Changes:
- many dt-bindings Doc changes
Core Changes:
- Encoder clean ups (Ville Syrjälä)
- Connector Writeback improvements(Boris Brezillon)
- Fake vblank support (Boris Brezillon)
- API for in-kernel clients (Noralf Trønnes)
- improvements to the path of finding panels(Boris Brezillon)
Driver Changes:
- initial support for the virtual display driver - vkms(Haneen Mohammed and Rodrigo Siqueira)
- panel: add Rocktech RK070ER9427 LCD support (Jagan Teki)
- panel: add support for the EDT ETM0700G0EDH6 and EDT ETM0700G0BDH6(Jan Tuerk)
- panel: add DLC DLC0700YZG-1 (Philipp Zabel)
- panel: add support for BOE HV070WSA-100 (Andrzej Hajda)
- panel: add newhaven, nhd-4.3-480272ef-atxl LCD (Tomi Valkeinen)
- panel: add support for Innolux G070Y2-L01 (Christoph Fritz)
- panel: add support for DataImage SCF0700C48GGU18 (Michal Vokáč)
- panel: add support for Sharp LQ035Q7DB03 (Vladimir Zapolskiy)
- panel: p079zca: Refactor panel driver to support multiple panels (Lin Huang)
- sun4i: Add R40 display engine compatible(Jernej Skrabec)
Signed-off-by: Dave Airlie <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/20180712011137.GA26620@juma
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Fixes a dead link I spotted in the struct drm_crtc docs. Comments
themselves are in a surprisingly good state.
v2: Fix subject typo (Sean).
Reviewed-by: Sean Paul <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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Instead of spreading them all over the place.
Cc: Noralf Trønnes <[email protected]>
Acked-by: Noralf Trønnes <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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And use that opportunity to polish the kernel doc all around:
- Beef up some of the documentation.
- Intro text for drm_plane and better links
- Fix all the hyperlinks!
v2: Fix linebreaks.
Reviewed-by: Sean Paul <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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Again to align with the usual prefix of just drm_connector_. Again
done with sed + manual fixup for indent issues.
Reviewed-by: Sean Paul <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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Document the Display Port CEC helper functions.
Signed-off-by: Hans Verkuil <[email protected]>
Reviewed-by: Ville Syrjälä <[email protected]>
Signed-off-by: Ville Syrjälä <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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This the beginning of an API for in-kernel clients.
First out is a way to get a framebuffer backed by a dumb buffer.
Only GEM drivers are supported.
The original idea of using an exported dma-buf was dropped because it
also creates an anonomous file descriptor which doesn't work when the
buffer is created from a kernel thread. The easy way out is to use
drm_driver.gem_prime_vmap to get the virtual address, which requires a
GEM object. This excludes the vmwgfx driver which is the only non-GEM
driver apart from the legacy ones. A solution for vmwgfx will have to be
worked out later if it wants to support the client API which it probably
will when we have a bootsplash client.
Suggested-by: Daniel Vetter <[email protected]>
Signed-off-by: Noralf Trønnes <[email protected]>
Reviewed-by: Daniel Vetter <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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into drm-next
More features for 4.19:
- Use core pcie functionality rather than duplicating our own for pcie
gens and lanes
- Scheduler function naming cleanups
- More documentation
- Reworked DC/Powerplay interfaces to improve power savings
- Initial stutter mode support for RV (power feature)
- Vega12 powerplay updates
- GFXOFF fixes
- Misc fixes
Signed-off-by: Dave Airlie <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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Signed-off-by: Sonny Jiang <[email protected]>
Acked-by: Junwei Zhang <[email protected]>
Acked-by: Christian König <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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This adds what should be a stable interface to read GPU
load from userspace.
(v2): Fix comments and name of file per recommendations.
(v3): Add chapter to amdgpu.rst as well.
Signed-off-by: Tom St Denis <[email protected]>
Acked-by: Slava Abramov <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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This was a failure of "git add" on my part -- we already referenced
the doc from drivers.rst.
Signed-off-by: Eric Anholt <[email protected]>
Cc: Daniel Vetter <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Reviewed-by: Alex Deucher <[email protected]>
Acked-by: Daniel Vetter <[email protected]>
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Apparently didn't get carefully checked.
Fixes: 50525c332b55 ("drm: content-type property for HDMI connector")
Cc: Hans Verkuil <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: Stanislav Lisovskiy <[email protected]>
Cc: Ville Syrjälä <[email protected]>
Reviewed-by: Stanislav Lisovskiy <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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into drm-next
First feature request for 4.19. Highlights:
- Add initial amdgpu documentation
- Add initial GPU scheduler documention
- GPU scheduler fixes for dying processes
- Add support for the JPEG engine on VCN
- Switch CI to use powerplay by default
- EDC support for CZ
- More powerplay cleanups
- Misc DC fixes
Signed-off-by: Dave Airlie <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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Writeback connectors represent writeback engines which can write the
CRTC output to a memory framebuffer. Add a writeback connector type and
related support functions.
Drivers should initialize a writeback connector with
drm_writeback_connector_init() which takes care of setting up all the
writeback-specific details on top of the normal functionality of
drm_connector_init().
Writeback connectors have a WRITEBACK_FB_ID property, used to set the
output framebuffer, and a WRITEBACK_PIXEL_FORMATS blob used to expose the
supported writeback formats to userspace.
When a framebuffer is attached to a writeback connector with the
WRITEBACK_FB_ID property, it is used only once (for the commit in which
it was included), and userspace can never read back the value of
WRITEBACK_FB_ID. WRITEBACK_FB_ID can only be set if the connector is
attached to a CRTC.
Changes since v1:
- Added drm_writeback.c + documentation
- Added helper to initialize writeback connector in one go
- Added core checks
- Squashed into a single commit
- Dropped the client cap
- Writeback framebuffers are no longer persistent
Changes since v2:
Daniel Vetter:
- Subclass drm_connector to drm_writeback_connector
- Relax check to allow CRTC to be set without an FB
- Add some writeback_ prefixes
- Drop PIXEL_FORMATS_SIZE property, as it was unnecessary
Gustavo Padovan:
- Add drm_writeback_job to handle writeback signalling centrally
Changes since v3:
- Rebased
- Rename PIXEL_FORMATS -> WRITEBACK_PIXEL_FORMATS
Chances since v4:
- Embed a drm_encoder inside the drm_writeback_connector to
reduce the amount of boilerplate code required from the drivers
that are using it.
Changes since v5:
- Added Rob Clark's atomic_commit() vfunc to connector helper
funcs, so that writeback jobs are committed from atomic helpers
- Updated create_writeback_properties() signature to return an
error code rather than a boolean false for failure.
- Free writeback job with the connector state rather than when
doing the cleanup_work()
Changes since v7:
- fix extraneous use of out_fence that is only introduced in a
subsequent patch.
Changes since v8:
- whitespace changes pull from subsequent patch
Changes since v9:
- Revert the v6 changes that free the writeback job in the connector
state cleanup and return to doing it in the cleanup_work() function
Signed-off-by: Brian Starkey <[email protected]>
[rebased and fixed conflicts]
Signed-off-by: Mihail Atanassov <[email protected]>
[rebased and added atomic_commit() vfunc for writeback jobs]
Signed-off-by: Rob Clark <[email protected]>
Signed-off-by: Liviu Dudau <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
Link: https://patchwork.freedesktop.org/patch/229037/
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This was accidentally dropped by the "drm/amdgpu: update documentation
for amdgpu_irq.c v3" change, resulting in the GPUVM documentation body
being included twice in the generated documentation.
Trivial.
Signed-off-by: Michel Dänzer <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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Document the hwmon and power control interfaces exposed
by the amdgpu driver.
v2: use section rather than chapter for now
Reviewed-by: Michel Dänzer <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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Add/update function level documentation and add reference to amdgpu_irq.c
in amdgpu.rst
v2:
Added DOC comment
Added more explanations for amdgpu_hotplug_work_func
Properly formatted unused parameters
Properly formatted return values
Fixed usage of acronyms
More consistent styling
v3:
Removed duplicate "not"
Using '&' to refer to functions and types
Signed-off-by: Slava Abramov <[email protected]>
Acked-by: Christian König <[email protected]>
Reviewed-by: Michel Dänzer <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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Add/update function level documentation and add reference to amdgpu_vm.c
in amdgpu.rst
v2:
Fix reference in rst file.
Fix compilation warnings.
Add space between function names and params list where
it's missing.
v3:
Fix some funtion comments.
Add formatted documentation to structs.
Signed-off-by: Andrey Grodzovsky <[email protected]>
Reviewed-by: Christian König <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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And wire it up as well.
v2: improve the wording, fix label mismatch
Signed-off-by: Christian König <[email protected]>
Reviewed-by: Michel Dänzer <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Michel Dänzer <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Michel Dänzer <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Michel Dänzer <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Michel Dänzer <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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So that it can be referenced from e.g. DOC comments.
Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Michel Dänzer <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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Signed-off-by: Nayan Deshmukh <[email protected]>
Reviewed-by: Christian König <[email protected]>
Acked-by: Daniel Vetter <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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Added content_type property to drm_connector_state
in order to properly handle external HDMI TV content-type setting.
v2:
* Moved helper function which attaches content type property
to the drm core, as was suggested.
Removed redundant connector state initialization.
v3:
* Removed caps in drm_content_type_enum_list.
After some discussion it turned out that HDMI Spec 1.4
was wrongly assuming that IT Content(itc) bit doesn't affect
Content type states, however itc bit needs to be manupulated
as well. In order to not expose additional property for itc,
for sake of simplicity it was decided to bind those together
in same "content type" property.
v4:
* Added it_content checking in intel_digital_connector_atomic_check.
Fixed documentation for new content type enum.
v5:
* Moved patch revision's description to commit messages.
v6:
* Minor naming fix for the content type enumeration string.
v7:
* Fix parameter name for documentation and parameter alignment
in order not to get warning. Added Content Type description to
new HDMI connector properties section.
v8:
* Thrown away unneeded numbers from HDMI content-type property
description. Switch to strings desription instead of plain
definitions.
v9:
* Moved away hdmi specific content-type enum from
drm_connector_state. Content type property should probably not
be bound to any specific connector interface in
drm_connector_state.
Same probably should be done to hdmi_picture_aspect_ration enum
which is also contained in drm_connector_state. Added special
helper function to get derive hdmi specific relevant infoframe
fields.
v10:
* Added usage description to HDMI properties kernel doc.
v11:
* Created centralized function for filling HDMI AVI infoframe, based
on correspondent DRM property value.
Acked-by: Hans Verkuil <[email protected]>
Acked-by: Daniel Vetter <[email protected]>
Signed-off-by: Stanislav Lisovskiy <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
[vsyrjala: clean up checkpatch multiple blank lines warnings]
Signed-off-by: Ville Syrjälä <[email protected]>
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drm-misc-next is still based on v4.16-rc7, and was getting a bit stale.
Signed-off-by: Maarten Lankhorst <[email protected]>
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git://anongit.freedesktop.org/drm/drm-intel into drm-next
First drm/i915 feature batch heading for v4.18:
- drm-next backmerge to fix build (Rodrigo)
- GPU documentation improvements (Kevin)
- GuC and HuC refactoring, host/GuC communication, logging, fixes, and more
(mostly Michal and Michał, also Jackie, Michel and Piotr)
- PSR and PSR2 enabling and fixes (DK, José, Rodrigo and Chris)
- Selftest updates (Chris, Daniele)
- DPLL management refactoring (Lucas)
- DP MST fixes (Lyude and DK)
- Watermark refactoring and changes to support NV12 (Mahesh)
- NV12 prep work (Chandra)
- Icelake Combo PHY enablers (Manasi)
- Perf OA refactoring and ICL enabling (Lionel)
- ICL enabling (Oscar, Paulo, Nabendu, Mika, Kelvin, Michel)
- Workarounds refactoring (Oscar)
- HDCP fixes and improvements (Ramalingam, Radhakrishna)
- Power management fixes (Imre)
- Various display fixes (Maarten, Ville, Vidya, Jani, Gaurav)
- debugfs for FIFO underrun clearing (Maarten)
- Execlist improvements (Chris)
- Reset improvements (Chris)
- Plenty of things here and there I overlooked and/or didn't understand... (Everyone)
Signed-off-by: Dave Airlie <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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This driver will be used to support Mesa on the Broadcom 7268 and 7278
platforms.
V3D 3.3 introduces an MMU, which means we no longer need CMA or vc4's
complicated CL/shader validation scheme. This massively changes the
GEM behavior, so I've forked off to a new driver.
v2: Mark SUBMIT_CL as needing DRM_AUTH. coccinelle fixes from kbuild
test robot. Drop personal git link from MAINTAINERS. Don't
double-map dma-buf imported BOs. Add kerneldoc about needing MMU
eviction. Drop prime vmap/unmap stubs. Delay mmap offset setup
to mmap time. Use drm_dev_init instead of _alloc. Use
ktime_get() for wait_bo timeouts. Drop drm_can_sleep() usage,
since we don't modeset. Switch page tables back to WC (debug
change to coherent had slipped in). Switch
drm_gem_object_unreference_unlocked() to
drm_gem_object_put_unlocked(). Simplify overflow mem handling by
not sharing overflow mem between jobs.
v3: no changes
v4: align submit_cl to 64 bits (review by airlied), check zero flags in
other ioctls.
Signed-off-by: Eric Anholt <[email protected]>
Acked-by: Daniel Vetter <[email protected]> (v4)
Acked-by: Dave Airlie <[email protected]> (v3, requested submit_cl change)
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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Bunch of ideas from Eric and me on what we could do to make gem gpu
rendering drivers a notch simpler to type.
v2: Fix typo (Eric).
Cc: Eric Anholt <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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It turns out this was only needed to paper over a bug in the CMA
helpers, which was addressed in
commit 998fb1a0f478b83492220ff79583bf9ad538bdd8
Author: Liviu Dudau <[email protected]>
Date: Fri Nov 10 13:33:10 2017 +0000
drm: gem_cma_helper.c: Allow importing of contiguous scatterlists with nents > 1
Without this the following pipeline didn't work:
domU:
1. xen-front allocates a non-contig buffer
2. creates grants out of it
dom0:
3. converts the grants into a dma-buf. Since they're non-contig, the
scatter-list is huge.
4. imports it into rcar-du, which requires dma-contig memory for
scanout.
-> On this given platform there's an IOMMU, so in theory this should
work. But in practice this failed, because of the huge number of sg
entries, even though the IOMMU driver mapped it all into a dma-contig
range.
With a guest-contig buffer allocated in step 1, this problem doesn't
exist. But there's technically no reason to require guest-contig
memory for xen buffer sharing using grants.
Given all that, the xen-front cma support is not needed and should be
removed.
Signed-off-by: Oleksandr Andrushchenko <[email protected]>
Suggested-by: Daniel Vetter <[email protected]>
Acked-by: Daniel Vetter <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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Now that we moved the rcar-du DRM driver has been switched to the generic
alpha property, remove the former property documentation from the
deprecated CSV file.
Acked-by: Maarten Lankhorst <[email protected]>
Acked-by: Sean Paul <[email protected]>
Reviewed-by: Laurent Pinchart <[email protected]>
Signed-off-by: Maxime Ripard <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/04be5e2256aa8d33d9521a68a10f0b73a24f8040.1523432341.git-series.maxime.ripard@bootlin.com
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