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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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I've been contributing to V3D with improvements, reviews, testing and
debugging. Therefore, add myself as a co-maintainer of the V3D driver.
Signed-off-by: Maíra Canal <mcanal@igalia.com>
Acked-by: Melissa Wen <mwen@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231106134201.725805-1-mcanal@igalia.com
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Most of those suites are undocumented and aren't really clear about what
they are testing. Let's add a TODO entry as a future task to get started
into KUnit and DRM.
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Link: https://lore.kernel.org/r/20231025132428.723672-2-mripard@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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Both the drm_buddy and drm_mm tests have been converted from selftest to
kunit recently.
However, a significant portion of them are trying to exert some part of
their API over a huge number of iterations and with random variations of
their parameters. They are thus more a way to discover new bugs than
actual unit tests.
This is fine in itself but leads to very slow runtime (up to 25s for
some drm_test_mm_reserve and drm_test_mm_insert on a Ryzen 7950x while
running the tests in qemu) which make them a poor fit for kunit.
Let's remove those tests from the drm_mm and drm_buddy test suites for
now, and if it's ever needed we can always create proper unit tests for
them later on.
This made the entire DRM tests execution time (as of v6.6-rc1) come from
65s to less than .5s on a Ryzen 7950x system when running under qemu,
and from 9 minutes to about 4s on a RaspberryPi4.
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Suggested-by: Daniel Vetter <daniel@ffwll.ch>
Link: https://lore.kernel.org/r/20231025132428.723672-1-mripard@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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Use struct drm_gem_shmem_object as a base for struct ivpu_bo.
This cuts by 50% the buffer management code.
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231031073156.1301669-5-stanislaw.gruszka@linux.intel.com
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Usages of DRM_IVPU_BO_UNCACHED should be replaced by DRM_IVPU_BO_WC.
There is no functional benefit from DRM_IVPU_BO_UNCACHED if these
buffers are never mapped to host VM.
This allows to cut the buffer handling code in the kernel driver
by half.
Usage of DRM_IVPU_BO_UNCACHED buffers was removed from user-space
driver and will not be part of first UMD release.
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231031073156.1301669-4-stanislaw.gruszka@linux.intel.com
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ivpu_bo_remove_all_bos_from_context() could race with ivpu_bo_free()
when prime buffer was closed after vpu device was closed.
Move the bo_list from context to vdev and use a dedicated lock to
sync it. This list is not modified when BO is added/removed from
a context.
Also rename ivpu_bo_free_vpu_addr() to ivpu_bo_unbind() because this
function does more then just free vpu_addr.
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231031073156.1301669-3-stanislaw.gruszka@linux.intel.com
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Use gem->open() callback to simplify the code and prepare for gem_shmem
conversion. It is called during handle creation for a gem object,
during prime import and in BO_CREATE ioctl. Hence can be used for vpu_addr
allocation. On the way remove unused bo->user_ptr field.
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231031073156.1301669-2-stanislaw.gruszka@linux.intel.com
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I am not active in the Linux kernel and don't want to see patches.
Signed-off-by: Emma Anholt <emma@anholt.net>
Acked-by: Maíra Canal <mcanal@igalia.com>
Signed-off-by: Maíra Canal <mcanal@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231031181648.48675-1-emma@anholt.net
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Don't call drm_sched_select_entity() in drm_sched_run_job_queue(). In fact,
rename __drm_sched_run_job_queue() to just drm_sched_run_job_queue(), and let
it do just that, schedule the work item for execution.
The problem is that drm_sched_run_job_queue() calls drm_sched_select_entity()
to determine if the scheduler has an entity ready in one of its run-queues,
and in the case of the Round-Robin (RR) scheduling, the function
drm_sched_rq_select_entity_rr() does just that, selects the _next_ entity
which is ready, sets up the run-queue and completion and returns that
entity. The FIFO scheduling algorithm is unaffected.
Now, since drm_sched_run_job_work() also calls drm_sched_select_entity(), then
in the case of RR scheduling, that would result in drm_sched_select_entity()
having been called twice, which may result in skipping a ready entity if more
than one entity is ready. This commit fixes this by eliminating the call to
drm_sched_select_entity() from drm_sched_run_job_queue(), and leaves it only
in drm_sched_run_job_work().
v2: Rebased on top of Tvrtko's renames series of patches. (Luben)
Add fixes-tag. (Tvrtko)
Signed-off-by: Luben Tuikov <ltuikov89@gmail.com>
Fixes: f7fe64ad0f22ff ("drm/sched: Split free_job into own work item")
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Danilo Krummrich <dakr@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231107041020.10035-2-ltuikov89@gmail.com
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Use pm_runtime_status_suspended() instead of dev->power.runtime_status
field that is not available without PM.
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://lore.kernel.org/all/20231106130827.1600948-1-jacek.lawrynowicz@linux.intel.com
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Replace 'HFP' with 'HBP'.
Fixes: 899f24ed8d3a ("drm/panel: Add driver for Novatek NT35510-based panels")
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20231023090613.1694133-1-dario.binacchi@amarulasolutions.com
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The previous patch exposed the accumulated amount of active time per
client for each V3D queue. But this doesn't provide a global notion of
the GPU usage.
Therefore, provide the accumulated amount of active time for each V3D
queue (BIN, RENDER, CSD, TFU and CACHE_CLEAN), considering all the jobs
submitted to the queue, independent of the client.
This data is exposed through the sysfs interface, so that if the
interface is queried at two different points of time the usage percentage
of each of the queues can be calculated.
Co-developed-by: Jose Maria Casanova Crespo <jmcasanova@igalia.com>
Signed-off-by: Jose Maria Casanova Crespo <jmcasanova@igalia.com>
Signed-off-by: Maíra Canal <mcanal@igalia.com>
Acked-by: Jose Maria Casanova Crespo <jmcasanova@igalia.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230905213416.1290219-3-mcanal@igalia.com
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This patch exposes the accumulated amount of active time per client
through the fdinfo infrastructure. The amount of active time is exposed
for each V3D queue: BIN, RENDER, CSD, TFU and CACHE_CLEAN.
In order to calculate the amount of active time per client, a CPU clock
is used through the function local_clock(). The point where the jobs has
started is marked and is finally compared with the time that the job had
finished.
Moreover, the number of jobs submitted to each queue is also exposed on
fdinfo through the identifier "v3d-jobs-<queue>".
Co-developed-by: Jose Maria Casanova Crespo <jmcasanova@igalia.com>
Signed-off-by: Jose Maria Casanova Crespo <jmcasanova@igalia.com>
Signed-off-by: Maíra Canal <mcanal@igalia.com>
Acked-by: Jose Maria Casanova Crespo <jmcasanova@igalia.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230905213416.1290219-3-mcanal@igalia.com
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It is better not to lose precision and not revert to 1 MiB size
granularity for every size greater than 1 MiB.
Sizes in KiB should not be so troublesome to read (and in fact machine
parsing is I expect the norm here), they align with other api like
/proc/meminfo, and they allow writing tests for the interface without
having to embed drm.ko implementation knowledge into them. (Like knowing
that minimum buffer size one can use for successful verification has to be
1MiB aligned, and on top account for any pre-existing memory utilisation
outside of driver's control.)
But probably even more importantly I think that it is just better to show
the accurate sizes and not arbitrary lose precision for a little bit of a
stretched use case of eyeballing fdinfo text directly.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Rob Clark <robdclark@gmail.com>
Cc: Adrián Larumbe <adrian.larumbe@collabora.com>
Cc: steven.price@arm.com
Reviewed-by: Steven Price <steven.price@arm.com>
Link: https://lore.kernel.org/r/20230927133843.247957-2-tvrtko.ursulin@linux.intel.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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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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"If ready" is not immediately clear what it means - is the scheduler
ready or something else? Drop the suffix, clarify kerneldoc, and employ
the same naming scheme as in drm_sched_run_free_queue:
- drm_sched_run_job_queue - enqueues if there is something to enqueue
*and* scheduler is ready (can queue)
- __drm_sched_run_job_queue - low-level helper to simply queue the job
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/20231102105538.391648-5-tvrtko.ursulin@linux.intel.com
Reviewed-by: Luben Tuikov <ltuikov89@gmail.com>
Signed-off-by: Luben Tuikov <ltuikov89@gmail.com>
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The current name makes it sound like helper will free a queue, while what
it does is it enqueues the free job worker.
Rename it to drm_sched_run_free_queue to align with existing
drm_sched_run_job_queue.
Despite that creating an illusion there are two queues, while in reality
there is only one, at least it creates a consistent naming for the two
enqueuing helpers.
At the same time simplify the "if done" helper by dropping the suffix and
adding a double underscore prefix to the one which just enqueues.
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/20231102105538.391648-4-tvrtko.ursulin@linux.intel.com
Reviewed-by: Luben Tuikov <ltuikov89@gmail.com>
Signed-off-by: Luben Tuikov <ltuikov89@gmail.com>
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Whether or not there are more jobs to clean up does not depend on the
existance of the current job, given both drm_sched_get_finished_job and
drm_sched_free_job_queue_if_done take and drop the job list lock.
Therefore it is confusing to make it read like there is a dependency.
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/20231102105538.391648-3-tvrtko.ursulin@linux.intel.com
Reviewed-by: Luben Tuikov <ltuikov89@gmail.com>
Signed-off-by: Luben Tuikov <ltuikov89@gmail.com>
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"Get cleanup job" makes it sound like helper is returning a job which will
execute some cleanup, or something, while the kerneldoc itself accurately
says "fetch the next _finished_ job". So lets rename the helper to be self
documenting.
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/20231102105538.391648-2-tvrtko.ursulin@linux.intel.com
Reviewed-by: Luben Tuikov <ltuikov89@gmail.com>
Signed-off-by: Luben Tuikov <ltuikov89@gmail.com>
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Add support to partially execute a slice which is resized to zero.
Executing a zero size slice in a BO should mean that there is no DMA
transfers involved but you should still configure doorbell and semaphores.
For example consider a BO of size 18K and it is sliced into 3 6K slices
and user calls partial execute ioctl with resize as 10K.
slice 0 - size is 6k and offset is 0, so resize of 10K will not cut short
this slice hence we send the entire slice for execution.
slice 1 - size is 6k and offset is 6k, so resize of 10K will cut short this
slice and only the first 4k should be DMA along with configuring
doorbell and semaphores.
slice 2 - size is 6k and offset is 12k, so resize of 10k will cut short
this slice and no DMA transfer would be involved but we should
would configure doorbell and semaphores.
This change begs to change the behavior of 0 resize. Currently, 0 resize
partial execute ioctl behaves exactly like execute ioctl i.e. no resize.
After this patch all the slice in BO should behave exactly like slice 2 in
above example.
Refactor copy_partial_exec_reqs() to make it more readable and less
complex.
Signed-off-by: Pranjal Ramajor Asha Kanojiya <quic_pkanojiy@quicinc.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231027164330.11978-1-quic_jhugo@quicinc.com
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Current wrapper is right-sized to the message being transferred;
however, this is smaller than the structure defining message wrappers
since the trailing element is a union of message/transfer headers of
various sizes (8 and 32 bytes on 32-bit system where issue was
reported). Using the smaller header with a small message
(wire_trans_dma_xfer is 24 bytes including header) ends up being smaller
than a wrapper with the larger header. There are no accesses outside of
the defined size, however they are possible if the larger union member
is referenced.
Abort messages are outside of hot-path and changing the wrapper struct
would require a larger rewrite, so having the memory allocated to the
message be 8 bytes too big is acceptable.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202310182253.bcb9JcyJ-lkp@intel.com/
Signed-off-by: Carl Vanderlip <quic_carlv@quicinc.com>
Reviewed-by: Pranjal Ramajor Asha Kanojiya <quic_pkanojiy@quicinc.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231027180810.4873-1-quic_jhugo@quicinc.com
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This is required to get the V3D module to load with Raspberry Pi 5.
Signed-off-by: Iago Toral Quiroga <itoral@igalia.com>
Reviewed-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Maíra Canal <mcanal@igalia.com>
Signed-off-by: Maíra Canal <mcanal@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231031073859.25298-5-itoral@igalia.com
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BCM2712, Raspberry Pi 5's SoC, contains a V3D core. So add its specific
compatible to the bindings.
Signed-off-by: Iago Toral Quiroga <itoral@igalia.com>
Reviewed-by: Maíra Canal <mcanal@igalia.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Maíra Canal <mcanal@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231031073859.25298-4-itoral@igalia.com
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This patch updates a number of register addresses that have
been changed in Raspberry Pi 5 (V3D 7.1) and updates the
code to use the corresponding registers and addresses based
on the actual V3D version.
Signed-off-by: Iago Toral Quiroga <itoral@igalia.com>
Reviewed-by: Maíra Canal <mcanal@igalia.com>
Signed-off-by: Maíra Canal <mcanal@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231031073859.25298-3-itoral@igalia.com
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V3D 7.x takes a new parameter to configure TFU jobs that needs
to be provided by user space.
Signed-off-by: Iago Toral Quiroga <itoral@igalia.com>
Reviewed-by: Maíra Canal <mcanal@igalia.com>
Signed-off-by: Maíra Canal <mcanal@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231031073859.25298-2-itoral@igalia.com
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The simple-framebuffer device tree bindings document the power-domains
property, so make sure that simplefb supports it. This ensures that the
power domains remain enabled as long as simplefb is active.
v2: - remove unnecessary call to simplefb_detach_genpds() since that's
already done automatically by devres
- fix crash if power-domains property is missing in DT
Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231101172017.3872242-3-thierry.reding@gmail.com
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The simple-framebuffer bindings specify that the "memory-region"
property can be used as an alternative to the "reg" property to define
the framebuffer memory used by the display hardware. Implement support
for this in the simplefb driver.
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231101172017.3872242-2-thierry.reding@gmail.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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Also add a lockdep assert to drm_sched_start_timeout.
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Luben Tuikov <luben.tuikov@amd.com>
Link: https://lore.kernel.org/r/20231031032439.1558703-5-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>
|
|
When a fence signals there is a very small race window where the timestamp
isn't updated yet. sync_file solves this by busy waiting for the
timestamp to appear, but on other ocassions didn't handled this
correctly.
Provide a dma_fence_timestamp() helper function for this and use it in
all appropriate cases.
Another alternative would be to grab the spinlock when that happens.
v2 by teddy: add a wait parameter to wait for the timestamp to show up, in case
the accurate timestamp is needed and/or the timestamp is not based on
ktime (e.g. hw timestamp)
v3 chk: drop the parameter again for unified handling
Signed-off-by: Yunxiang Li <Yunxiang.Li@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Fixes: 1774baa64f93 ("drm/scheduler: Change scheduled fence track v2")
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
CC: stable@vger.kernel.org
Link: https://patchwork.freedesktop.org/patch/msgid/20230929104725.2358-1-christian.koenig@amd.com
|
|
VPU was rebranded as NPU (Neural Processing Unit) so user facing
strings have to be updated but the code remains as is and the module
is still called intel_vpu.ko.
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231028155936.1183342-9-stanislaw.gruszka@linux.intel.com
|
|
CMD_SYNC does not need any args as we poll for completion anyway.
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231028155936.1183342-8-stanislaw.gruszka@linux.intel.com
|
|
Previously using dma_alloc_wc() API we created cache coherent
(mapped as write-back) mappings.
Because we disable MMU600 snooping it was required to do costly
page walk and cache flushes after each page table modification.
With write-combined buffers it's possible to do a single write memory
barrier to flush write-combined buffer to memory which simplifies the
driver and significantly reduce time of map/unmap operations.
Mapping time of 255 MB is reduced from 2.5 ms to 500 us.
Signed-off-by: Karol Wachowski <karol.wachowski@linux.intel.com>
Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231028155936.1183342-7-stanislaw.gruszka@linux.intel.com
|
|
Add checking of error reason bits in IVPU_MMU_CMDQ_CONS
register when waiting for consumer timeout occurred.
Signed-off-by: Karol Wachowski <karol.wachowski@linux.intel.com>
Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231028155936.1183342-6-stanislaw.gruszka@linux.intel.com
|
|
Waking up process, which wait for particular condition, will go to
sleep again on wake_up() if the condition is not met. Add abort flag
to wake up IPC receivers, which will finish with -ECANCELED error.
This is only needed for reset, run time power management prevent to
suspend VPU when there is pending IPC processing or pending job.
Reviewed-by: Karol Wachowski <karol.wachowski@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231028155936.1183342-5-stanislaw.gruszka@linux.intel.com
|
|
Stop job_done thread when going to suspend. Use kthread_park() instead
of kthread_stop() to avoid memory allocation and potential failure
on resume.
Use separate function as thread wake up condition. Use spin lock to assure
rx_msg_list is properly protected against concurrent access. This avoid
race condition when the rx_msg_list list is modified and read in
ivpu_ipc_recive() at the same time.
Reviewed-by: Karol Wachowski <karol.wachowski@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231028155936.1183342-4-stanislaw.gruszka@linux.intel.com
|
|
We should not leave device half enabled if there is failure somewhere
it power up sequence. Fix device init and resume paths.
Reviewed-by: Karol Wachowski <karol.wachowski@linux.intel.com>
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231028155936.1183342-3-stanislaw.gruszka@linux.intel.com
|
|
Profiling freq is a debug firmware feature. It switches default clock
to higher resolution for fine-grained and more accurate firmware task
profiling. We already configure it during boot up of VPU4.
Add debugfs knob and helpers per HW generation that allow to change it.
For vpu37xx the implementation is empty as profiling frequency can only
be changed on VPU4 or newer.
Signed-off-by: Krystian Pradzynski <krystian.pradzynski@linux.intel.com>
Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231028155936.1183342-2-stanislaw.gruszka@linux.intel.com
|
|
This reverts commit 250aa22920cd5d956a5d3e9c6a43d671c2bae217.
The DMA-fence annotations cause a lockdep warning (see below). As per
https://patchwork.freedesktop.org/patch/462170/ it sounds like the
annotations don't work correctly.
======================================================
WARNING: possible circular locking dependency detected
6.5.0-rc2+ #2 Not tainted
------------------------------------------------------
kmstest/219 is trying to acquire lock:
c4705838 (&hdmi->lock){+.+.}-{3:3}, at: hdmi5_bridge_mode_set+0x1c/0x50
but task is already holding lock:
c11e1128 (dma_fence_map){++++}-{0:0}, at: omap_atomic_commit_tail+0x14/0xbc
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #2 (dma_fence_map){++++}-{0:0}:
__dma_fence_might_wait+0x48/0xb4
dma_resv_lockdep+0x1b8/0x2bc
do_one_initcall+0x68/0x3b0
kernel_init_freeable+0x260/0x34c
kernel_init+0x14/0x140
ret_from_fork+0x14/0x28
-> #1 (fs_reclaim){+.+.}-{0:0}:
fs_reclaim_acquire+0x70/0xa8
__kmem_cache_alloc_node+0x3c/0x368
kmalloc_trace+0x28/0x58
_drm_do_get_edid+0x7c/0x35c
hdmi5_bridge_get_edid+0xc8/0x1ac
drm_bridge_connector_get_modes+0x64/0xc0
drm_helper_probe_single_connector_modes+0x170/0x528
drm_client_modeset_probe+0x208/0x1334
__drm_fb_helper_initial_config_and_unlock+0x30/0x548
omap_fbdev_client_hotplug+0x3c/0x6c
drm_client_register+0x58/0x94
pdev_probe+0x544/0x6b0
platform_probe+0x58/0xbc
really_probe+0xd8/0x3fc
__driver_probe_device+0x94/0x1f4
driver_probe_device+0x2c/0xc4
__device_attach_driver+0xa4/0x11c
bus_for_each_drv+0x84/0xdc
__device_attach+0xac/0x20c
bus_probe_device+0x8c/0x90
device_add+0x588/0x7e0
platform_device_add+0x110/0x24c
platform_device_register_full+0x108/0x15c
dss_bind+0x90/0xc0
try_to_bring_up_aggregate_device+0x1e0/0x2c8
__component_add+0xa4/0x174
hdmi5_probe+0x1c8/0x270
platform_probe+0x58/0xbc
really_probe+0xd8/0x3fc
__driver_probe_device+0x94/0x1f4
driver_probe_device+0x2c/0xc4
__device_attach_driver+0xa4/0x11c
bus_for_each_drv+0x84/0xdc
__device_attach+0xac/0x20c
bus_probe_device+0x8c/0x90
deferred_probe_work_func+0x8c/0xd8
process_one_work+0x2ac/0x6e4
worker_thread+0x30/0x4ec
kthread+0x100/0x124
ret_from_fork+0x14/0x28
-> #0 (&hdmi->lock){+.+.}-{3:3}:
__lock_acquire+0x145c/0x29cc
lock_acquire.part.0+0xb4/0x258
__mutex_lock+0x90/0x950
mutex_lock_nested+0x1c/0x24
hdmi5_bridge_mode_set+0x1c/0x50
drm_bridge_chain_mode_set+0x48/0x5c
crtc_set_mode+0x188/0x1d0
omap_atomic_commit_tail+0x2c/0xbc
commit_tail+0x9c/0x188
drm_atomic_helper_commit+0x158/0x18c
drm_atomic_commit+0xa4/0xe8
drm_mode_atomic_ioctl+0x9a4/0xc38
drm_ioctl+0x210/0x4a8
sys_ioctl+0x138/0xf00
ret_fast_syscall+0x0/0x1c
other info that might help us debug this:
Chain exists of:
&hdmi->lock --> fs_reclaim --> dma_fence_map
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
rlock(dma_fence_map);
lock(fs_reclaim);
lock(dma_fence_map);
lock(&hdmi->lock);
*** DEADLOCK ***
3 locks held by kmstest/219:
#0: f1011de4 (crtc_ww_class_acquire){+.+.}-{0:0}, at: drm_mode_atomic_ioctl+0xf0/0xc38
#1: c47059c8 (crtc_ww_class_mutex){+.+.}-{3:3}, at: modeset_lock+0xf8/0x230
#2: c11e1128 (dma_fence_map){++++}-{0:0}, at: omap_atomic_commit_tail+0x14/0xbc
stack backtrace:
CPU: 1 PID: 219 Comm: kmstest Not tainted 6.5.0-rc2+ #2
Hardware name: Generic DRA74X (Flattened Device Tree)
unwind_backtrace from show_stack+0x10/0x14
show_stack from dump_stack_lvl+0x58/0x70
dump_stack_lvl from check_noncircular+0x164/0x198
check_noncircular from __lock_acquire+0x145c/0x29cc
__lock_acquire from lock_acquire.part.0+0xb4/0x258
lock_acquire.part.0 from __mutex_lock+0x90/0x950
__mutex_lock from mutex_lock_nested+0x1c/0x24
mutex_lock_nested from hdmi5_bridge_mode_set+0x1c/0x50
hdmi5_bridge_mode_set from drm_bridge_chain_mode_set+0x48/0x5c
drm_bridge_chain_mode_set from crtc_set_mode+0x188/0x1d0
crtc_set_mode from omap_atomic_commit_tail+0x2c/0xbc
omap_atomic_commit_tail from commit_tail+0x9c/0x188
commit_tail from drm_atomic_helper_commit+0x158/0x18c
drm_atomic_helper_commit from drm_atomic_commit+0xa4/0xe8
drm_atomic_commit from drm_mode_atomic_ioctl+0x9a4/0xc38
drm_mode_atomic_ioctl from drm_ioctl+0x210/0x4a8
drm_ioctl from sys_ioctl+0x138/0xf00
sys_ioctl from ret_fast_syscall+0x0/0x1c
Exception stack(0xf1011fa8 to 0xf1011ff0)
1fa0: 00466d58 be9ab510 00000003 c03864bc be9ab510 be9ab4e0
1fc0: 00466d58 be9ab510 c03864bc 00000036 00466ef0 00466fc0 00467020 00466f20
1fe0: b6bc7ef4 be9ab4d0 b6bbbb00 b6cb2cc0
Fixes: 250aa22920cd ("drm/omapdrm: Annotate dma-fence critical section in commit path")
Reviewed-by: Aradhya Bhatia <a-bhatia1@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230920-dma-fence-annotation-revert-v1-2-7ebf6f7f5bf6@ideasonboard.com
|
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This reverts commit 4d56a4f08391857ba93465de489707b66adad114.
The DMA-fence annotations cause a lockdep warning (see below). As per
https://patchwork.freedesktop.org/patch/462170/ it sounds like the
annotations don't work correctly.
======================================================
WARNING: possible circular locking dependency detected
6.6.0-rc2+ #1 Not tainted
------------------------------------------------------
kmstest/733 is trying to acquire lock:
ffff8000819377f0 (fs_reclaim){+.+.}-{0:0}, at: __kmem_cache_alloc_node+0x58/0x2d4
but task is already holding lock:
ffff800081a06aa0 (dma_fence_map){++++}-{0:0}, at: tidss_atomic_commit_tail+0x20/0xc0 [tidss]
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #2 (dma_fence_map){++++}-{0:0}:
__dma_fence_might_wait+0x5c/0xd0
dma_resv_lockdep+0x1a4/0x32c
do_one_initcall+0x84/0x2fc
kernel_init_freeable+0x28c/0x4c4
kernel_init+0x24/0x1dc
ret_from_fork+0x10/0x20
-> #1 (mmu_notifier_invalidate_range_start){+.+.}-{0:0}:
fs_reclaim_acquire+0x70/0xe4
__kmem_cache_alloc_node+0x58/0x2d4
kmalloc_trace+0x38/0x78
__kthread_create_worker+0x3c/0x150
kthread_create_worker+0x64/0x8c
workqueue_init+0x1e8/0x2f0
kernel_init_freeable+0x11c/0x4c4
kernel_init+0x24/0x1dc
ret_from_fork+0x10/0x20
-> #0 (fs_reclaim){+.+.}-{0:0}:
__lock_acquire+0x1370/0x20d8
lock_acquire+0x1e8/0x308
fs_reclaim_acquire+0xd0/0xe4
__kmem_cache_alloc_node+0x58/0x2d4
__kmalloc_node_track_caller+0x58/0xf0
kmemdup+0x34/0x60
regmap_bulk_write+0x64/0x2c0
tc358768_bridge_pre_enable+0x8c/0x12d0 [tc358768]
drm_atomic_bridge_call_pre_enable+0x68/0x80 [drm]
drm_atomic_bridge_chain_pre_enable+0x50/0x158 [drm]
drm_atomic_helper_commit_modeset_enables+0x164/0x264 [drm_kms_helper]
tidss_atomic_commit_tail+0x58/0xc0 [tidss]
commit_tail+0xa0/0x188 [drm_kms_helper]
drm_atomic_helper_commit+0x1a8/0x1c0 [drm_kms_helper]
drm_atomic_commit+0xa8/0xe0 [drm]
drm_mode_atomic_ioctl+0x9ec/0xc80 [drm]
drm_ioctl_kernel+0xc4/0x170 [drm]
drm_ioctl+0x234/0x4b0 [drm]
drm_compat_ioctl+0x110/0x12c [drm]
__arm64_compat_sys_ioctl+0x128/0x150
invoke_syscall+0x48/0x110
el0_svc_common.constprop.0+0x40/0xe0
do_el0_svc_compat+0x1c/0x38
el0_svc_compat+0x48/0xb4
el0t_32_sync_handler+0xb0/0x138
el0t_32_sync+0x194/0x198
other info that might help us debug this:
Chain exists of:
fs_reclaim --> mmu_notifier_invalidate_range_start --> dma_fence_map
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
rlock(dma_fence_map);
lock(mmu_notifier_invalidate_range_start);
lock(dma_fence_map);
lock(fs_reclaim);
*** DEADLOCK ***
3 locks held by kmstest/733:
#0: ffff800082e5bba0 (crtc_ww_class_acquire){+.+.}-{0:0}, at: drm_mode_atomic_ioctl+0x118/0xc80 [drm]
#1: ffff000004224c88 (crtc_ww_class_mutex){+.+.}-{3:3}, at: modeset_lock+0xdc/0x1a0 [drm]
#2: ffff800081a06aa0 (dma_fence_map){++++}-{0:0}, at: tidss_atomic_commit_tail+0x20/0xc0 [tidss]
stack backtrace:
CPU: 0 PID: 733 Comm: kmstest Not tainted 6.6.0-rc2+ #1
Hardware name: Toradex Verdin AM62 on Verdin Development Board (DT)
Call trace:
dump_backtrace+0x98/0x118
show_stack+0x18/0x24
dump_stack_lvl+0x60/0xac
dump_stack+0x18/0x24
print_circular_bug+0x288/0x368
check_noncircular+0x168/0x17c
__lock_acquire+0x1370/0x20d8
lock_acquire+0x1e8/0x308
fs_reclaim_acquire+0xd0/0xe4
__kmem_cache_alloc_node+0x58/0x2d4
__kmalloc_node_track_caller+0x58/0xf0
kmemdup+0x34/0x60
regmap_bulk_write+0x64/0x2c0
tc358768_bridge_pre_enable+0x8c/0x12d0 [tc358768]
drm_atomic_bridge_call_pre_enable+0x68/0x80 [drm]
drm_atomic_bridge_chain_pre_enable+0x50/0x158 [drm]
drm_atomic_helper_commit_modeset_enables+0x164/0x264 [drm_kms_helper]
tidss_atomic_commit_tail+0x58/0xc0 [tidss]
commit_tail+0xa0/0x188 [drm_kms_helper]
drm_atomic_helper_commit+0x1a8/0x1c0 [drm_kms_helper]
drm_atomic_commit+0xa8/0xe0 [drm]
drm_mode_atomic_ioctl+0x9ec/0xc80 [drm]
drm_ioctl_kernel+0xc4/0x170 [drm]
drm_ioctl+0x234/0x4b0 [drm]
drm_compat_ioctl+0x110/0x12c [drm]
__arm64_compat_sys_ioctl+0x128/0x150
invoke_syscall+0x48/0x110
el0_svc_common.constprop.0+0x40/0xe0
do_el0_svc_compat+0x1c/0x38
el0_svc_compat+0x48/0xb4
el0t_32_sync_handler+0xb0/0x138
el0t_32_sync+0x194/0x198
Fixes: 4d56a4f08391 ("drm/tidss: Annotate dma-fence critical section in commit path")
Reviewed-by: Aradhya Bhatia <a-bhatia1@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230920-dma-fence-annotation-revert-v1-1-7ebf6f7f5bf6@ideasonboard.com
|
|
sg_page_iter_page() doesn't return an error code, so the IS_ERR() check
is wrong and the error path will never be executed. This also allows
simplifying the code to remove the local variable 'page'.
CC: Adrián Larumbe <adrian.larumbe@collabora.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/376713ff-9a4f-4ea3-b097-fb5efb685d95@moroto.mountain
Signed-off-by: Steven Price <steven.price@arm.com>
Reviewed-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Tested-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231020104405.53992-1-steven.price@arm.com
|
|
Currently, we are only warning the user if the BIN or RENDER jobs don't
finish before we unregister V3D. We must wait for all jobs to finish
before unregistering. Therefore, warn the user if TFU or CSD jobs
are not done by the time the driver is unregistered.
Signed-off-by: Maíra Canal <mcanal@igalia.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Signed-off-by: Maíra Canal <mairacanal@riseup.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20231023105927.101502-1-mcanal@igalia.com
|
|
Currently the VPU firmware prepares for D0i3 every time the VPU
is entering D0i2 Idle state. This is not optimal as we might not
enter D0i3 every time we enter D0i2 Idle and this preparation
is quite costly.
This optimization moves D0i3 preparation to a dedicated
message sent from the host driver only when the driver is about
to enter D0i3 - this reduces power consumption and latency for
certain workloads, for example audio workloads that submit
inference every 10 ms.
The VPU needs non zero time to enter IDLE state after responding to
D0i3 entry message. If the driver does not wait for the VPU to enter
IDLE state it could cause warm boot failures.
Signed-off-by: Andrzej Kacprowski <andrzej.kacprowski@linux.intel.com>
Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231028133415.1169975-12-stanislaw.gruszka@linux.intel.com
|
|
Print warning if VPUIP is not idle during power down.
Use warn log level also when we fail to enter reset state
as this is not really an error but unexpected behavior.
Reviewed-by: Krystian Pradzynski <krystian.pradzynski@linux.intel.com>
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231028133415.1169975-11-stanislaw.gruszka@linux.intel.com
|
|
Split ivpu_ipc_send_receive() implementation to have a version
that does not call pm_runtime_resume_and_get(). That implementation
can be invoked when device is up and runtime resume is prohibited
(for example at the end of boot sequence).
The new function will be used for D0i3 entry IPC message addition
in the separate change.
Signed-off-by: Karol Wachowski <karol.wachowski@linux.intel.com>
Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231028133415.1169975-10-stanislaw.gruszka@linux.intel.com
|
|
The firmware needs to know the time spent in D0i3/D3 to
calculate telemetry data. The D0i3/D3 residency time is
calculated by the driver and passed to the firmware
in the boot parameters.
The driver also passes VPU perf counter value captured
right before entering D0i3 - this allows the VPU firmware
to generate monotonic timestamps for the logs.
Signed-off-by: Andrzej Kacprowski <andrzej.kacprowski@linux.intel.com>
Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231028133415.1169975-9-stanislaw.gruszka@linux.intel.com
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