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Drivers may use this function to validate userspace requests in advance,
hence export it.
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231108001259.15123-4-dakr@redhat.com
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Use drm_WARN() and drm_WARN_ON() variants to indicate drivers the
context the failing VM resides in.
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231108001259.15123-2-dakr@redhat.com
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Add DPCD register definition for discovering, enabling and
checking status of panel replay of the sink.
Cc: Jouni Högander <jouni.hogander@intel.com>
Cc: Arun R Murthy <arun.r.murthy@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Reviewed-by: Arun R Murthy <arun.r.murthy@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231108072303.3414118-2-animesh.manna@intel.com
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Currently, job flow control is implemented simply by limiting the number
of jobs in flight. Therefore, a scheduler is initialized with a credit
limit that corresponds to the number of jobs which can be sent to the
hardware.
This implies that for each job, drivers need to account for the maximum
job size possible in order to not overflow the ring buffer.
However, there are drivers, such as Nouveau, where the job size has a
rather large range. For such drivers it can easily happen that job
submissions not even filling the ring by 1% can block subsequent
submissions, which, in the worst case, can lead to the ring run dry.
In order to overcome this issue, allow for tracking the actual job size
instead of the number of jobs. Therefore, add a field to track a job's
credit count, which represents the number of credits a job contributes
to the scheduler's credit limit.
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Reviewed-by: Luben Tuikov <ltuikov89@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231110001638.71750-1-dakr@redhat.com
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Define pr_fmt() as "[drm] " for DRM code using pr_*() facilities, especially
when no devices are available. This makes it easier to browse kernel logs.
Signed-off-by: Luben Tuikov <ltuikov89@gmail.com>
Acked-by: Danilo Krummrich <dakr@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231110002659.113208-2-ltuikov89@gmail.com
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Don't "wake up" the GPU scheduler unless the entity is ready, as well as we
can queue to the scheduler, i.e. there is no point in waking up the scheduler
for the entity unless the entity is ready.
Signed-off-by: Luben Tuikov <ltuikov89@gmail.com>
Fixes: bc8d6a9df99038 ("drm/sched: Don't disturb the entity when in RR-mode scheduling")
Reviewed-by: Danilo Krummrich <dakr@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231110000123.72565-2-ltuikov89@gmail.com
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Occasionally it's necessary for drivers to modify the SADs of an ELD,
but it's not so cool to have drivers poke at the ELD buffer directly.
Using the helpers to translate between 3-byte SAD and struct cea_sad,
add ELD helpers to get/set the SADs from/to an ELD.
v2: s/i/sad_index/ (Mitul)
Cc: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/8e9a05f2b1e0dd184132d636e1e778e8917ec25d.1698747331.git.jani.nikula@intel.com
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Reduce the dependencies on drm_eld.h. Some files might be able to drop
the dependency on drm_edid.h too with the direct inclusion of drm_eld.h.
Cc: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Reviewed-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/9f5963ce900d747f3279312c0cd1da599fd83f94.1698747331.git.jani.nikula@intel.com
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Unify on kernel types.
Cc: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Reviewed-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Reviewed-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/6e048fc4c8a3ebec638ce27b0b8b969a3d2fa8bc.1698747331.git.jani.nikula@intel.com
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The drm_edid.[ch] files are starting to be a bit crowded, and with plans
to add more ELD related functionality, it's perhaps cleanest to split
the ELD code out to a header of its own.
Include drm_eld.h from drm_edid.h for starters, and leave it to
follow-up work to only include drm_eld.h where needed.
Cc: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Reviewed-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/0c6d631fa1058036d72dd25d1cabc90a7c52490e.1698747331.git.jani.nikula@intel.com
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Add helpers drivers can use to calculate the BW allocation overhead -
due to SSC, FEC, DSC and data alignment on symbol cycles - and the
channel coding efficiency - due to the 8b/10b, 128b/132b encoding. On
128b/132b links the FEC overhead is part of the coding efficiency, so
not accounted for in the BW allocation overhead.
The drivers can use these functions to calculate a ratio, controlling
the stream symbol insertion rate of the source device in each SST TU
or MST MTP frame. Drivers can calculate this
m/n = (pixel_data_rate * drm_dp_bw_overhead()) /
(link_data_rate * drm_dp_bw_channel_coding_efficiency())
ratio for a given link and pixel stream and with that the
slots_per_mtp = CEIL(64 * m / n)
allocated slots per MTP for the stream in a link frame and with
that the
pbn = slots_per_mtp * drm_mst_get_pbn_divider()
allocated PBNs for the stream on the MST link path.
Take drm_dp_bw_overhead() into use in drm_dp_calc_pbn_mode(), for
drivers calculating the PBN value directly.
v2:
- Add dockbook description to drm_dp_bw_channel_coding_efficiency().
(LKP).
- Clarify the way m/n ratio is calculated in the commit log.
v3:
- Fix compile breakage for !CONFIG_BACKLIGHT_CLASS_DEVICE. (LKP)
- Account for FEC_PM overhead (+ 0.0015625 %), add comment
with the formula to calculate the total FEC overhead. (Ville)
v4:
- Rename DRM_DP_OVERHEAD_SSC to DRM_DP_OVERHEAD_SSC_REF_CLK. (Ville)
v5:
- Clarify in the commit log what MTP means.
- Simplify the commit log's formula to calculate PBN.
Cc: Lyude Paul <lyude@redhat.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: kernel test robot <lkp@intel.com>
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> (v2)
Acked-by: Maxime Ripard <mripard@kernel.org>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231107001505.3370108-1-imre.deak@intel.com
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Add a quirk for Synaptics MST hubs, which require a workaround - at leat
on i915 - for some modes, on which the hub applies HBLANK expansion.
These modes will only work by enabling DSC decompression for them, a
follow-up patch will do this in i915.
v2:
- Fix the quirk name in its DocBook description.
Cc: Lyude Paul <lyude@redhat.com>
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231030155843.2251023-9-imre.deak@intel.com
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Add the DPCD flag to enable DSC passthrough in a last branch device,
used in a follow-up i915 patch.
Also add a flag to detect HBLANK expansion support in a branch device,
used by a workaround in a follow-up i915 patch.
Cc: Lyude Paul <lyude@redhat.com>
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231030155843.2251023-8-imre.deak@intel.com
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Factor out a helper to check the atomic state for one MST topology
manager, returning the MST port where the BW limit check has failed.
This will be used in a follow-up patch by the i915 driver to improve the
BW sharing between MST streams.
Cc: Lyude Paul <lyude@redhat.com>
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Lyude Paul <lyude@redhat.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231030155843.2251023-5-imre.deak@intel.com
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Add drm_dp_mst_port_downstream_of_parent() required by the i915
driver in a follow-up patch to resolve a BW overallocation of MST
streams going through a given MST port.
Cc: Lyude Paul <lyude@redhat.com>
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Lyude Paul <lyude@redhat.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231030155843.2251023-4-imre.deak@intel.com
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The current code does '(bpp << 4) / 16' in the MST PBN
calculation, but that is just the same as 'bpp' so the
DSC codepath achieves absolutely nothing. Fix it up so that
the fractional part of the bpp value is actually used instead
of truncated away. 64*1006 has enough zero lsbs that we can
just shift that down in the dividend and thus still manage
to stick to a 32bit divisor.
And while touching this, let's just make the whole thing more
straightforward by making the passed in bpp value .4 binary
fixed point always, instead of having to pass in different
things based on whether DSC is enabled or not.
v2:
- Fix DSC kunit test cases.
Cc: Manasi Navare <manasi.d.navare@intel.com>
Cc: Lyude Paul <lyude@redhat.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: David Francis <David.Francis@amd.com>
Cc: Mikita Lipski <mikita.lipski@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Fixes: dc48529fb14e ("drm/dp_mst: Add PBN calculation for DSC modes")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
[Imre: Fix kunit test cases]
Acked-by: Maxime Ripard <mripard@kernel.org>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231030155843.2251023-3-imre.deak@intel.com
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Pull more drm updates from Dave Airlie:
"Geert pointed out I missed the renesas reworks in my main pull, so
this pull contains the renesas next work for atomic conversion and DT
support.
It also contains a bunch of amdgpu and some small ssd13xx fixes.
renesas:
- atomic conversion
- DT support
ssd13xx:
- dt binding fix for ssd132x
- Initialize ssd130x crtc_state to NULL.
amdgpu:
- Fix RAS support check
- RAS fixes
- MES fixes
- SMU13 fixes
- Contiguous memory allocation fix
- BACO fixes
- GPU reset fixes
- Min power limit fixes
- GFX11 fixes
- USB4/TB hotplug fixes
- ARM regression fix
- GFX9.4.3 fixes
- KASAN/KCSAN stack size check fixes
- SR-IOV fixes
- SMU14 fixes
- PSP13 fixes
- Display blend fixes
- Flexible array size fixes
amdkfd:
- GPUVM fix
radeon:
- Flexible array size fixes"
* tag 'drm-next-2023-11-07' of git://anongit.freedesktop.org/drm/drm: (83 commits)
drm/amd/display: Enable fast update on blendTF change
drm/amd/display: Fix blend LUT programming
drm/amd/display: Program plane color setting correctly
drm/amdgpu: Query and report boot status
drm/amdgpu: Add psp v13 function to query boot status
drm/amd/swsmu: remove fw version check in sw_init.
drm/amd/swsmu: update smu v14_0_0 driver if and metrics table
drm/amdgpu: Add C2PMSG_109/126 reg field shift/masks
drm/amdgpu: Optimize the asic type fix code
drm/amdgpu: fix GRBM read timeout when do mes_self_test
drm/amdgpu: check recovery status of xgmi hive in ras_reset_error_count
drm/amd/pm: only check sriov vf flag once when creating hwmon sysfs
drm/amdgpu: Attach eviction fence on alloc
drm/amdkfd: Improve amdgpu_vm_handle_moved
drm/amd/display: Increase frame warning limit with KASAN or KCSAN in dml2
drm/amd/display: Avoid NULL dereference of timing generator
drm/amdkfd: Update cache info for GFX 9.4.3
drm/amdkfd: Populate cache info for GFX 9.4.3
drm/amdgpu: don't put MQDs in VRAM on ARM | ARM64
drm/amdgpu/smu13: drop compute workload workaround
...
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Because a) helper is exported to other parts of the scheduler and
b) there isn't a plain drm_sched_wakeup to begin with, I think we can
drop the suffix and by doing so separate the intimiate knowledge
between the scheduler components a bit better.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Luben Tuikov <ltuikov89@gmail.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231102105538.391648-6-tvrtko.ursulin@linux.intel.com
Reviewed-by: Luben Tuikov <ltuikov89@gmail.com>
Signed-off-by: Luben Tuikov <ltuikov89@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc updates from Greg KH:
"Here is the big set of char/misc and other small driver subsystem
changes for 6.7-rc1. Included in here are:
- IIO subsystem driver updates and additions (largest part of this
pull request)
- FPGA subsystem driver updates
- Counter subsystem driver updates
- ICC subsystem driver updates
- extcon subsystem driver updates
- mei driver updates and additions
- nvmem subsystem driver updates and additions
- comedi subsystem dependency fixes
- parport driver fixups
- cdx subsystem driver and core updates
- splice support for /dev/zero and /dev/full
- other smaller driver cleanups
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (326 commits)
cdx: add sysfs for subsystem, class and revision
cdx: add sysfs for bus reset
cdx: add support for bus enable and disable
cdx: Register cdx bus as a device on cdx subsystem
cdx: Create symbol namespaces for cdx subsystem
cdx: Introduce lock to protect controller ops
cdx: Remove cdx controller list from cdx bus system
dts: ti: k3-am625-beagleplay: Add beaglecc1352
greybus: Add BeaglePlay Linux Driver
dt-bindings: net: Add ti,cc1352p7
dt-bindings: eeprom: at24: allow NVMEM cells based on old syntax
dt-bindings: nvmem: SID: allow NVMEM cells based on old syntax
Revert "nvmem: add new config option"
MAINTAINERS: coresight: Add missing Coresight files
misc: pci_endpoint_test: Add deviceID for J721S2 PCIe EP device support
firmware: xilinx: Move EXPORT_SYMBOL_GPL next to zynqmp_pm_feature definition
uacce: make uacce_class constant
ocxl: make ocxl_class constant
cxl: make cxl_class constant
misc: phantom: make phantom_class constant
...
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Use a new struct array to define the asic information which
asic type needs to be fixed.
Signed-off-by: Ma Jun <Jun.Ma2@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Add a helper whereby a driver can invoke TDR immediately.
v2:
- Drop timeout args, rename function, use mod delayed work (Luben)
v3:
- s/XE/Xe (Luben)
- present tense in commit message (Luben)
- Adjust comment for drm_sched_tdr_queue_imm (Luben)
v4:
- Adjust commit message (Luben)
Cc: Luben Tuikov <luben.tuikov@amd.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Luben Tuikov <luben.tuikov@amd.com>
Link: https://lore.kernel.org/r/20231031032439.1558703-6-matthew.brost@intel.com
Signed-off-by: Luben Tuikov <ltuikov89@gmail.com>
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Rather than call free_job and run_job in same work item have a dedicated
work item for each. This aligns with the design and intended use of work
queues.
v2:
- Test for DMA_FENCE_FLAG_TIMESTAMP_BIT before setting
timestamp in free_job() work item (Danilo)
v3:
- Drop forward dec of drm_sched_select_entity (Boris)
- Return in drm_sched_run_job_work if entity NULL (Boris)
v4:
- Replace dequeue with peek and invert logic (Luben)
- Wrap to 100 lines (Luben)
- Update comments for *_queue / *_queue_if_ready functions (Luben)
v5:
- Drop peek argument, blindly reinit idle (Luben)
- s/drm_sched_free_job_queue_if_ready/drm_sched_free_job_queue_if_done (Luben)
- Update work_run_job & work_free_job kernel doc (Luben)
v6:
- Do not move drm_sched_select_entity in file (Luben)
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20231031032439.1558703-4-matthew.brost@intel.com
Reviewed-by: Luben Tuikov <ltuikov89@gmail.com>
Signed-off-by: Luben Tuikov <ltuikov89@gmail.com>
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In Xe, the new Intel GPU driver, a choice has made to have a 1 to 1
mapping between a drm_gpu_scheduler and drm_sched_entity. At first this
seems a bit odd but let us explain the reasoning below.
1. In Xe the submission order from multiple drm_sched_entity is not
guaranteed to be the same completion even if targeting the same hardware
engine. This is because in Xe we have a firmware scheduler, the GuC,
which allowed to reorder, timeslice, and preempt submissions. If a using
shared drm_gpu_scheduler across multiple drm_sched_entity, the TDR falls
apart as the TDR expects submission order == completion order. Using a
dedicated drm_gpu_scheduler per drm_sched_entity solve this problem.
2. In Xe submissions are done via programming a ring buffer (circular
buffer), a drm_gpu_scheduler provides a limit on number of jobs, if the
limit of number jobs is set to RING_SIZE / MAX_SIZE_PER_JOB we get flow
control on the ring for free.
A problem with this design is currently a drm_gpu_scheduler uses a
kthread for submission / job cleanup. This doesn't scale if a large
number of drm_gpu_scheduler are used. To work around the scaling issue,
use a worker rather than kthread for submission / job cleanup.
v2:
- (Rob Clark) Fix msm build
- Pass in run work queue
v3:
- (Boris) don't have loop in worker
v4:
- (Tvrtko) break out submit ready, stop, start helpers into own patch
v5:
- (Boris) default to ordered work queue
v6:
- (Luben / checkpatch) fix alignment in msm_ringbuffer.c
- (Luben) s/drm_sched_submit_queue/drm_sched_wqueue_enqueue
- (Luben) Update comment for drm_sched_wqueue_enqueue
- (Luben) Positive check for submit_wq in drm_sched_init
- (Luben) s/alloc_submit_wq/own_submit_wq
v7:
- (Luben) s/drm_sched_wqueue_enqueue/drm_sched_run_job_queue
v8:
- (Luben) Adjust var names / comments
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Luben Tuikov <luben.tuikov@amd.com>
Link: https://lore.kernel.org/r/20231031032439.1558703-3-matthew.brost@intel.com
Signed-off-by: Luben Tuikov <ltuikov89@gmail.com>
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Add scheduler wqueue ready, stop, and start helpers to hide the
implementation details of the scheduler from the drivers.
v2:
- s/sched_wqueue/sched_wqueue (Luben)
- Remove the extra white line after the return-statement (Luben)
- update drm_sched_wqueue_ready comment (Luben)
Cc: Luben Tuikov <luben.tuikov@amd.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Luben Tuikov <luben.tuikov@amd.com>
Link: https://lore.kernel.org/r/20231031032439.1558703-2-matthew.brost@intel.com
Signed-off-by: Luben Tuikov <ltuikov89@gmail.com>
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git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for v6.7-rc1:
drm-misc-next-2023-10-19 + following:
UAPI Changes:
Cross-subsystem Changes:
- Convert fbdev drivers to use fbdev i/o mem helpers.
Core Changes:
- Use cross-references for macros in docs.
- Make drm_client_buffer_addb use addfb2.
- Add NV20 and NV30 YUV formats.
- Documentation updates for create_dumb ioctl.
- CI fixes.
- Allow variable number of run-queues in scheduler.
Driver Changes:
- Rename drm/ast constants.
- Make ili9882t its own driver.
- Assorted fixes in ivpu, vc4, bridge/synopsis, amdgpu.
- Add planar formats to rockchip.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/3d92fae8-9b1b-4165-9ca8-5fda11ee146b@linux.intel.com
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The GPU scheduler has now a variable number of run-queues, which are set up at
drm_sched_init() time. This way, each driver announces how many run-queues it
requires (supports) per each GPU scheduler it creates. Note, that run-queues
correspond to scheduler "priorities", thus if the number of run-queues is set
to 1 at drm_sched_init(), then that scheduler supports a single run-queue,
i.e. single "priority". If a driver further sets a single entity per
run-queue, then this creates a 1-to-1 correspondence between a scheduler and
a scheduled entity.
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Russell King <linux+etnaviv@armlinux.org.uk>
Cc: Qiang Yu <yuq825@gmail.com>
Cc: Rob Clark <robdclark@gmail.com>
Cc: Abhinav Kumar <quic_abhinavk@quicinc.com>
Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: Danilo Krummrich <dakr@redhat.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Boris Brezillon <boris.brezillon@collabora.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Emma Anholt <emma@anholt.net>
Cc: etnaviv@lists.freedesktop.org
Cc: lima@lists.freedesktop.org
Cc: linux-arm-msm@vger.kernel.org
Cc: freedreno@lists.freedesktop.org
Cc: nouveau@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Luben Tuikov <luben.tuikov@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Link: https://lore.kernel.org/r/20231023032251.164775-1-luben.tuikov@amd.com
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This is needed to add the msm pr which is based on a higher base.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://anongit.freedesktop.org/drm/drm-intel into drm-next
- Add new DG2 PCI IDs (Shekhar)
- Remove watchdog timers for PSR on Lunar Lake (Mika Kahola)
- DSB changes for proper handling of LUT programming (Ville)
- Store DSC DPCD capabilities in the connector (Imre)
- Clean up zero initializers (Ville)
- Remove Meteor Lake force_probe protection (RK)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ZTFW4g6duLtp+Wy0@intel.com
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In debugging platform or firmware related MEI-PXP connection
issues, having a timeout when clients (such as i915) calling
into mei-pxp's send/receive functions have proven useful as opposed to
blocking forever until the kernel triggers a watchdog panic (when
platform issues are experienced).
Update the mei-pxp component interface send and receive functions
to take in timeouts.
Signed-off-by: Alan Previn <alan.previn.teres.alexis@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20231011110157.247552-5-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Eliminate DRM_SCHED_PRIORITY_UNSET, value of -2, whose only user was
amdgpu. Furthermore, eliminate an index bug, in that when amdgpu boots, it
calls drm_sched_entity_init() with DRM_SCHED_PRIORITY_UNSET, which uses it to
index sched->sched_rq[].
Cc: Alex Deucher <Alexander.Deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Signed-off-by: Luben Tuikov <luben.tuikov@amd.com>
Acked-by: Alex Deucher <Alexander.Deucher@amd.com>
Link: https://lore.kernel.org/r/20231017035656.8211-2-luben.tuikov@amd.com
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Dual-licence in order to make it possible for other non-GPL os'es
to re-implement the code. The use of EXPORT_SYMBOL_GPL() is intentionally
left untouched to prevent use of drm_gpuvm as a proxy for non-GPL drivers
to access GPL-only kernel symbols.
Much of the ideas and algorithms used in the drm_gpuvm code is already
present in one way or another in MIT-licensed code.
Cc: Danilo Krummrich <dakr@redhat.com>
Cc: airlied@gmail.com
Cc: daniel@ffwll.ch
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Acked-by: Danilo Krummrich <dakr@redhat.com>
Reviewed-by: Francois Dugast <francois.dugast@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231010142725.8920-1-thomas.hellstrom@linux.intel.com
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Vendor drivers may need to fixup mode due to pixel clock tree limitation,
so introduce the ->mode_fixup() callcack to struct dw_mipi_dsi_plat_data
and call it at atomic check stage if available.
Signed-off-by: Liu Ying <victor.liu@nxp.com>
Reviewed-by: Robert Foss <rfoss@kernel.org>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230821034008.3876938-5-victor.liu@nxp.com
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Introduce ->get_input_bus_fmts() callback to struct dw_mipi_dsi_plat_data
so that vendor drivers can implement specific methods to get input bus
formats for Synopsys DW MIPI DSI.
While at it, implement a generic callback for ->atomic_get_input_bus_fmts(),
where we try to get the input bus formats through pdata->get_input_bus_fmts()
first. If it's unavailable, fall back to the only format - MEDIA_BUS_FMT_FIXED,
which matches the default behavior if ->atomic_get_input_bus_fmts() is not
implemented as ->atomic_get_input_bus_fmts()'s kerneldoc indicates.
Signed-off-by: Liu Ying <victor.liu@nxp.com>
Reviewed-by: Robert Foss <rfoss@kernel.org>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230821034008.3876938-3-victor.liu@nxp.com
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Add dw_mipi_dsi_get_bridge() helper so that it can be used by vendor
drivers which implement vendor specific extensions to Synopsys DW MIPI DSI.
Signed-off-by: Liu Ying <victor.liu@nxp.com>
Reviewed-by: Robert Foss <rfoss@kernel.org>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230821034008.3876938-2-victor.liu@nxp.com
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Add recently added PCI IDs for DG2
BSpec: 44477
Signed-off-by: Shekhar Chauhan <shekhar.chauhan@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231011080039.2781048-1-shekhar.chauhan@intel.com
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The functions drm_framebuffer_plane_{width,height} and
fb_plane_{width,height} do exactly the same job of its
equivalents drm_format_info_plane_{width,height} from drm_fourcc.
The only reason to have these functions on drm_framebuffer
would be if they would added a abstraction layer to call it just
passing a drm_framebuffer pointer and the desired plane index,
which is not the case, where these functions actually implements
just part of it. In the actual implementation, every call to both
drm_framebuffer_plane_{width,height} and fb_plane_{width,height} should
pass some drm_framebuffer attribute, which is the same as calling the
drm_format_info_plane_{width,height} functions.
The drm_format_info_pane_{width,height} functions are much more
consistent in both its implementation and its location on code. The
kind of calculation that they do is intrinsically derivated from the
drm_format_info struct and has not to do with drm_framebuffer, except
by the potential motivation described above, which is still not a good
justification to have drm_framebuffer functions to calculate it.
So, replace each drm_framebuffer_plane_{width,height} and
fb_plane_{width,height} call to drm_format_info_plane_{width,height}
and remove them.
Signed-off-by: Carlos Eduardo Gallo Filho <gcarlos@disroot.org>
Reviewed-by: André Almeida <andrealmeid@igalia.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230926141519.9315-3-gcarlos@disroot.org
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The drm_format_info_plane_{height,width} functions was implemented using
regular division for the plane size calculation, which cause issues [1][2]
when used on contexts where the dimensions are misaligned with relation
to the subsampling factors. So, replace the regular division by the
DIV_ROUND_UP macro.
This allows these functions to be used in more drivers, making further
work to bring more core presence on them possible.
[1] http://patchwork.freedesktop.org/patch/msgid/20170321181218.10042-3-ville.syrjala@linux.intel.com
[2] https://patchwork.freedesktop.org/patch/msgid/20211026225105.2783797-2-imre.deak@intel.com
Signed-off-by: Carlos Eduardo Gallo Filho <gcarlos@disroot.org>
Reviewed-by: André Almeida <andrealmeid@igalia.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230926141519.9315-2-gcarlos@disroot.org
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In some implementations, such as the Qualcomm platforms, the display
driver has no way to query the current HPD state and as such it's
impossible to distinguish between disconnect and attention events.
Add a parameter to drm_connector_oob_hotplug_event() to pass the HPD
state.
Also push the test for unchanged state in the displayport altmode driver
into the i915 driver, to allow other drivers to act upon each update.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20231009174048.2695981-2-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20231009174048.2695981-2-dmitry.baryshkov@linaro.org
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Updating drm-misc-next to the state of Linux v6.6-rc2.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
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The PLL requires a clock frequency in a certain platform-dependent range
after the pre-divider. The reference clock for the PLL may change due to
changes to it's parent clock. Thus, the frequency may be out of range or
unsuited for generating the high speed clock for MIPI DSI.
Try to keep the pre-devider small, and set the reference clock close to
the upper limit before recalculating the PLL configuration. Use a
divider with a power of two for the reference clock as this seems to
work best in my tests.
Reviewed-by: Marco Felsch <m.felsch@pengutronix.de>
Tested-by: Frieder Schrempf <frieder.schrempf@kontron.de> # Kontron BL i.MX8MM + Waveshare 10.1inch HDMI LCD (E)
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/20230818-samsung-dsim-v2-3-846603df0e0a@pengutronix.de
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230818-samsung-dsim-v2-3-846603df0e0a@pengutronix.de
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The PLL reference clock may change at runtime when its parent clock
changes. For example, this may happen on the i.MX8M Nano if the
reference clock is a child of the Video PLL. If the pixel clock changes,
this may propagate to the Video PLL and as a side effect change the
reference clock. Thus, reading the clock rate during probe is not
sufficient to correctly configure the PLL for the expected hs clock.
Read the actual rate of the reference clock before calculating the PLL
configuration parameters.
Note that the "samsung,pll-clock-frequency" is always preferred and PLL
reference clock is only read from the clock tree if that device tree
property is not set.
Reviewed-by: Inki Dae <inki.dae@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Tested-by: Frieder Schrempf <frieder.schrempf@kontron.de> # Kontron BL i.MX8MM + Waveshare 10.1inch HDMI LCD (E)
Reviewed-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/20230818-samsung-dsim-v2-2-846603df0e0a@pengutronix.de
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230818-samsung-dsim-v2-2-846603df0e0a@pengutronix.de
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new() which already returns void. Eventually after all drivers
are converted, .remove_new() is renamed to .remove().
samsung_dsim_remove() returned 0 unconditionally. Make it return void
instead to convert the two related platform drivers to use
.remove_new().
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Inki Dae <inki.dae@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Link: https://lore.kernel.org/r/20230919103939.1367659-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230919103939.1367659-1-u.kleine-koenig@pengutronix.de
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Prefer struct drm_edid where possible. With limited users for the
drm_dp_downstream_*() helpers, this is fairly straightforward.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231004162149.2802113-1-jani.nikula@intel.com
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Backmerge to sync up with drm-intel-gt-next and drm-misc-next.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Some BO's might be mapped onto physical memory chunkwise and on demand,
like Panfrost's tiler heap. In this case, even though the
drm_gem_shmem_object page array might already be allocated, only a very
small fraction of the BO is currently backed by system memory, but
drm_show_memory_stats will then proceed to add its entire virtual size to
the file's total resident size regardless.
This led to very unrealistic RSS sizes being reckoned for Panfrost, where
said tiler heap buffer is initially allocated with a virtual size of 128
MiB, but only a small part of it will eventually be backed by system memory
after successive GPU page faults.
Provide a new DRM object generic function that would allow drivers to
return a more accurate RSS and purgeable sizes for their BOs.
Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230929181616.2769345-5-adrian.larumbe@collabora.com
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git://anongit.freedesktop.org/drm/drm-intel into drm-next
drm/i915 feature pull for v6.7:
Features and functionality:
- Early Xe2 LPD / Lunarlake (LNL) display enabling (Lucas, Matt, Gustavo,
Stanislav, Luca, Clint, Juha-Pekka, Balasubramani, Ravi)
- Plenty of various DSC improvements and fixes (Ankit)
- Add DSC PPS state readout and verification (Suraj)
- Improve fastsets for VRR, LRR and M/N updates (Ville)
- Use connector->ddc to create (non-DP MST) connector sysfs ddc symlinks (Ville)
- Various DSB improvements, load LUTs using DSB (Ville)
- Improve shared link bandwidth management, starting with FDI (Imre)
- Optimize get param ioctl for PXP status (Alan)
- Remove DG2 pre-production hardware workarounds (Matt)
- Add more RPL P/U PCI IDs (Dnyaneshwar)
- Add new DG2-G12 stepping (Swati)
- Add PSR sink error status to debugfs (Jouni)
- Add DP enhanced framing to crtc state checker (Ville)
Refactoring and cleanups:
- Simplify TileY/Tile4 tiling selftest enumeration (Matt)
- Remove some unused power domain code (Gustavo)
- Check stepping of display IP version rather than MTL platform (Matt)
- DP audio compute config cleanups (Vinod)
- SDVO cleanups and refactoring, more robust failure handling (Ville)
- Color register definition and readout cleanups (Jani)
- Reduce header interdependencies for frontbuffer tracking (Jani)
- Continue replacing struct edid with struct drm_edid (Jani)
- Use source physical address instead of EDID for CEC (Jani)
- Clean up Type-C port lane count functions (Luca)
- Clean up DSC PPS register definitions and readout (Jani)
- Stop using GEM_BUG_ON()/GEM_WARN_ON() in display code (Jani)
- Move more of the display probe to display code (Jani)
- Remove redundant runtime suspended state flag (Jouni)
- Move display info printing to display code (Balasubramani)
- Frontbuffer tracking improvements (Jouni)
- Add trailing newlines to debug logging (Jim Cromie)
- Separate display workarounds from clock gating init (Matt)
- Reduce dmesg log spamming for combo PHY, PLL state, FEC, DP MST (Ville, Imre)
Fixes:
- Fix hotplug poll detect loops via suspend/resume (Imre)
- Fix hotplug detect for forced connectors (Imre)
- Fix DSC first_line_bpg_offset calculation (Suraj)
- Fix debug prints for SDP CRC16 (Arun)
- Fix PXP runtime resume (Alan)
- Fix cx0 PHY lane handling (Gustavo)
- Fix frontbuffer tracking locking in debugfs (Juha-Pekka)
- Fix SDVO detect on some models (Ville)
- Fix SDP split configuration for DP MST (Vinod)
- Fix AUX usage and reads for HDCP on DP MST (Suraj)
- Fix PSR workaround (Jouni)
- Fix redundant AUX power get/put in DP force (Imre)
- Fix ICL DSI TCLK POST by letting hardware handle it (William)
- Fix IRQ reset for XE LP+ (Gustavo)
- Fix h/vsync_end instead of h/vtotal in VBT (Ville)
- Fix C20 PHY msgbus timeout issues (Gustavo)
- Fix pre-TGL FEC pipe A vs. DDI A mixup (Ville)
- Fix FEC state readout for DP MST (Ville)
DRM subsystem core changes:
- Assume sink supports 8 bpc when DSC is supported (Ankit)
- Add drm_edid_is_digital() helper (Jani)
- Parse source physical address from EDID (Jani)
- Add function to attach CEC without EDID (Jani)
- Reorder connector sysfs/debugfs remove (Ville)
- Register connector sysfs ddc symlink later (Ville)
Media subsystem changes:
- Add comments about CEC source physical address usage (Jani)
Merges:
- Backmerge drm-next to get v6.6-rc1 (Jani)
Signed-off-by: Dave Airlie <airlied@redhat.com>
# Conflicts:
# drivers/gpu/drm/i915/i915_drv.h
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87r0mhi7a6.fsf@intel.com
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git://anongit.freedesktop.org/drm/drm-intel into drm-next
Driver Changes:
Fixes/improvements/new stuff:
- Fix TLB-Invalidation seqno store [mtl] (Alan Previn)
- Force a reset on internal GuC error [guc] (John Harrison)
- Define GSC fw [gsc] (Daniele Ceraolo Spurio)
- Update workaround 14016712196 [dg2/mtl] (Tejas Upadhyay)
- Mark requests for GuC virtual engines to avoid use-after-free (Andrzej Hajda)
- Add Wa_14015150844 [dg2/mtl] (Shekhar Chauhan)
- Prevent error pointer dereference (Dan Carpenter)
- Add Wa_18022495364 [tgl,adl,rpl] (Dnyaneshwar Bhadane)
- Fix GuC PMU by moving execlist stats initialization to execlist specific setup (Umesh Nerlige Ramappa)
- Fix PXP firmware load [pxp/mtl] (Alan Previn)
- Fix execution/context state of PXP contexts (Alan Previn)
- Limit the length of an sg list to the requested length (Matthew Wilcox)
- Fix reservation address in ggtt_reserve_guc_top [guc] (Javier Pello)
- Add Wa_18028616096 [dg2] (Shekhar Chauhan)
- Get runtime pm in busyness worker only if already active [guc/pmu] (Umesh Nerlige Ramappa)
- Don't set PIPE_CONTROL_FLUSH_L3 for aux inval (Nirmoy Das)
Future platform enablement:
- Fix and consolidate some workaround checks, make others IP version based [mtl] (Matt Roper)
- Replace Meteorlake subplatforms with IP version checks (Matt Roper)
- Adding DeviceID for Arrowlake-S under MTL [mtl] (Nemesa Garg)
- Run relevant bits of debugfs drop_caches per GT (Tvrtko Ursulin)
Miscellaneous:
- Remove Wa_15010599737 [dg2] (Shekhar Chauhan)
- Align igt_spinner_create_request with hangcheck [selftests] (Jonathan Cavitt)
- Remove pre-production workarounds [dg2] (Matt Roper)
- Tidy some workaround definitions (Matt Roper)
- Wait longer for tasks in migrate selftest [gt] (Jonathan Cavitt)
- Skip WA verification for GEN7_MISCCPCTL on DG2 [gt] (Andrzej Hajda)
- Silence injected failure in the load via GSC path [huc] (Daniele Ceraolo Spurio)
- Refactor deprecated strncpy (Justin Stitt)
- Update RC6 mask for mtl_drpc [debugfs/mtl] (Badal Nilawar)
- Remove a static inline that requires including i915_drv.h [gt] (Jani Nikula)
- Remove inlines from i915_gem_execbuffer.c [gem] (Jani Nikula)
- Remove gtt_offset from stream->oa_buffer.head/.tail [perf] (Ashutosh Dixit)
- Do not disable preemption for resets (Tvrtko Ursulin)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ZRVzL02VFuwIkcGl@tursulin-desk
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git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for v6.7-rc1:
UAPI Changes:
- drm_file owner is now updated during use, in the case of a drm fd
opened by the display server for a client, the correct owner is
displayed.
- Qaic gains support for the QAIC_DETACH_SLICE_BO ioctl to allow bo
recycling.
Cross-subsystem Changes:
- Disable boot logo for au1200fb, mmpfb and unexport logo helpers.
Only fbcon should manage display of logo.
- Update freescale in MAINTAINERS.
- Add some bridge files to bridge in MAINTAINERS.
- Update gma500 driver repo in MAINTAINERS to point to drm-misc.
Core Changes:
- Move size computations to drm buddy allocator.
- Make drm_atomic_helper_shutdown(NULL) a nop.
- Assorted small fixes in drm_debugfs, DP-MST payload addition error handling.
- Fix DRM_BRIDGE_ATTACH_NO_CONNECTOR handling.
- Handle bad (h/v)sync_end in EDID by clipping to htotal.
- Build GPUVM as a module.
Driver Changes:
- Simple drivers don't need to cache prepared result.
- Call drm_atomic_helper_shutdown() in shutdown/unbind for a whole lot
more drm drivers.
- Assorted small fixes in amdgpu, ssd130x, bridge/it6621, accel/qaic,
nouveau, tc358768.
- Add NV12 for komeda writeback.
- Add arbitration lost event to synopsis/dw-hdmi-cec.
- Speed up s/r in nouveau by not restoring some big bo's.
- Assorted nouveau display rework in preparation for GSP-RM,
especially related to how the modeset sequence works and
the DP sequence in relation to link training.
- Update anx7816 panel.
- Support NVSYNC and NHSYNC in tegra.
- Allow multiple power domains in simple driver.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/f1fae5eb-25b8-192a-9a53-215e1184ce81@linux.intel.com
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Rename struct drm_gpuva_manager to struct drm_gpuvm including
corresponding functions. This way the GPUVA manager's structures align
very well with the documentation of VM_BIND [1] and VM_BIND locking [2].
It also provides a better foundation for the naming of data structures
and functions introduced for implementing a common dma-resv per GPU-VM
including tracking of external and evicted objects in subsequent
patches.
[1] Documentation/gpu/drm-vm-bind-async.rst
[2] Documentation/gpu/drm-vm-bind-locking.rst
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Acked-by: Dave Airlie <airlied@redhat.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230920144343.64830-2-dakr@redhat.com
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git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for v6.7-rc1:
UAPI Changes:
- Nouveau changed to not set NO_PREFETCH flag explicitly.
Cross-subsystem Changes:
- Update documentation of dma-buf intro and uapi.
- fbdev/sbus fixes.
- Use initializer macros in a lot of fbdev drivers.
- Add Boris Brezillon as Panfrost driver maintainer.
- Add Jessica Zhang as drm/panel reviewer.
- Make more fbdev drivers use fb_ops helpers for deferred io.
- Small hid trailing whitespace fix.
- Use fb_ops in hid/picolcd
Core Changes:
- Assorted small fixes to ttm tests, drm/mst.
- Documentation updates to bridge.
- Add kunit tests for some drm_fb functions.
- Rework drm_debugfs implementation.
- Update xe documentation to mark todos as completed.
Driver Changes:
- Add support to rockchip for rv1126 mipi-dsi and vop.
- Assorted small fixes to nouveau, bridge/samsung-dsim,
bridge/lvds-codec, loongson, rockchip, panfrost, gma500, repaper,
komeda, virtio, ssd130x.
- Add support for simple panels Mitsubishi AA084XE01,
JDI LPM102A188A,
- Documentation updates to accel/ivpu.
- Some nouveau scheduling/fence fixes.
- Power management related fixes and other fixes to ivpu.
- Assorted bridge/it66121 fixes.
- Make platform drivers return void in remove() callback.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/3da6554b-3b47-fe7d-c4ea-21f4f819dbb6@linux.intel.com
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