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'xe_gt_desc' is unused since
commit 1e6c20be6c83 ("drm/xe: Drop extra_gts[] declarations and
XE_GT_TYPE_REMOTE").
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link:
https://patchwork.freedesktop.org/patch/msgid/20240522175840.382107-1-linux@treblig.org
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Now that we eliminated all the mem_access get/put with its
locking issues from the inner calls of migration, we can
allow D3Cold.
Enable it when VRAM utilization is lower then 300Mb. On
higher utilization we only allow D3hot so we don't increase
so much the latency on runtime resume due to the memory
restoration.
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Anshuman Gupta <anshuman.gupta@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240522170105.327472-7-rodrigo.vivi@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
GuC reset status is not reliable for this purpose and it is
once in a while ending up in a situation of D3Cold, where
power_reset is false and without the proper memory restoration
the GuC reload and Display will fail to come back from D3Cold.
So, let's do a full restoration of everything if we have a risk
of losing power, without further optimizations.
v2: also remove the gut_in_reset function (Anshuman)
Cc: Anshuman Gupta <anshuman.gupta@intel.com>
Reviewed-by: Anshuman Gupta <anshuman.gupta@intel.com>
Reviewed-by: Badal Nilawar <badal.nilawar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240522170105.327472-6-rodrigo.vivi@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Prepare power-well and DC handling for a full power
lost during D3Cold, then sanitize it upon D3->D0.
Otherwise we get a bunch of state mismatch.
Ideally we could leave DC9 enabled and wouldn't need
to move DC9->DC0 on every runtime resume, however,
the disable_DC is part of the power-well checks and
intrinsic to the dc_off power well. In the future that
can be detangled so we can have even bigger power savings.
But for now, let's focus on getting a D3Cold, which saves
much more power by itself.
v2: create new functions to avoid full-suspend-resume path,
which would result in a deadlock between xe_gem_fault and the
modeset-ioctl.
v3: Only avoid the full modeset to avoid the race, for a more
robust suspend-resume.
Cc: Anshuman Gupta <anshuman.gupta@intel.com>
Cc: Uma Shankar <uma.shankar@intel.com>
Tested-by: Francois Dugast <francois.dugast@intel.com>
Reviewed-by: Anshuman Gupta <anshuman.gupta@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240522170105.327472-5-rodrigo.vivi@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
In the regular use case scenario, user space will create a
VM, and keep it alive for the entire duration of its workload.
For the regular desktop cases, it means that the VM
is alive even on idle scenarios where display goes off. This
is unacceptable since this would entirely block runtime PM
indefinitely, blocking deeper Package-C state. This would be
a waste drainage of power.
Limit the VM protection solely for long-running workloads that
are not protected by the scheduler references.
By design, run_job for long-running workloads returns NULL and
the scheduler drops all the references of it, hence protecting
the VM for this case is necessary.
v2: Update commit message to a more imperative language and to
reflect why the VM protection is really needed.
Also add a comment in the code to let the reason visbible.
v3: Remove vma_access case and the mentions to mmap. Mmap cases
are already protected by the gem page fault.
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Tested-by: Francois Dugast <francois.dugast@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240522170105.327472-4-rodrigo.vivi@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Limit the protection only during moments of actual job execution,
and introduce protection for guc submit fini, which is currently
unprotected due to the absence of exec_queue life protection.
In the regular use case scenario, user space will create an
exec queue, and keep it alive to reuse that until it is done
with that kind of workload.
For the regular desktop cases, it means that the exec_queue
is alive even on idle scenarios where display goes off. This
is unacceptable since this would entirely block runtime PM
indefinitely, blocking deeper Package-C state. This would be
a waste drainage of power.
Cc: Matthew Brost <matthew.brost@intel.com>
Tested-by: Francois Dugast <francois.dugast@intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240522170105.327472-3-rodrigo.vivi@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Let's be clear on what it is actually doing and align with
xe_pm_runtime_get_if_active doc style.
Tested-by: Francois Dugast <francois.dugast@intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240522170105.327472-2-rodrigo.vivi@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Current callers of this function are already taking the result
to a boolean and using in an if. It might be a problem because
current function might return negative error codes on failure,
without increasing the reference counter.
In this scenario we could end up with extra 'put' call ending
in unbalanced scenarios.
Let's fix it, while aligning with the current xe_pm_get_if_in_use
style.
Tested-by: Francois Dugast <francois.dugast@intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240522170105.327472-1-rodrigo.vivi@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Release the submission_state lock if alloc_guc_id() fails.
v2: Add Fixes tag and CC stable kernel
Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Cc: <stable@vger.kernel.org> # v6.8+
Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240521201711.4934-1-niranjana.vishwanathapura@intel.com
When running in execlist mode (using force_execlist=1 modparam)
we incorrectly select the error path in xe_uc_init(), leading to
an unwanted error message like this:
[ ] xe 0000:00:00.0: [drm] *ERROR* GT0: Failed to initialize uC (0000000000000000)
Fix that by doing early return like we do in other similar cases.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240521114857.712-1-michal.wajdeczko@intel.com
i915 display calls this when releasing the drm_device, match this also
in xe by using drmm. intel_display_device_remove() is freeing purely
software state for the drm_device.
v2: fix build error
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Andrzej Hajda <andrzej.hajda@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240522102143.128069-36-matthew.auld@intel.com
Match the i915 display handling here with calling both no_irq and
noaccel when removing the device.
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Andrzej Hajda <andrzej.hajda@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240522102143.128069-34-matthew.auld@intel.com
Set our various mmio mappings to NULL. This should make it easier to
catch something rogue trying to mess with mmio after device removal. For
example, we might unmap everything and then start hitting some mmio
address which has already been unmamped by us and then remapped by
something else, causing all kinds of carnage.
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Andrzej Hajda <andrzej.hajda@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240522102143.128069-33-matthew.auld@intel.com
Not valid to touch mmio once the device is removed, so make sure we
unmap on removal and not just when driver instance goes away. Also set
the mmio pointers to NULL to hopefully catch such issues more easily.
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Andrzej Hajda <andrzej.hajda@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240522102143.128069-32-matthew.auld@intel.com
No need to hand roll the onion unwind here, just move gt_remove over to
devm which will already have the correct ordering.
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Andrzej Hajda <andrzej.hajda@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240522102143.128069-31-matthew.auld@intel.com
Here we are using drmm to ensure we release the coredump when unloading
the module, however the coredump is very much tied to the struct device
underneath. We can see this when we hotunplug the device, for which we
have already got a coredump attached. In such a case the coredump still
remains and adding another is not possible. However we still register
the release action via xe_driver_devcoredump_fini(), so in effect two or
more releases for one dump. The other consideration is that the
coredump state is embedded in the xe_driver instance, so technically
once the drmm release action fires we might free the coredumpe state
from a different driver instance, assuming we have two release actions
and they can race. Rather use devm here to remove the coredump when the
device is released.
References: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/1679
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Andrzej Hajda <andrzej.hajda@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240522102143.128069-29-matthew.auld@intel.com
Here we are touching the HW/GuC and presumably this should happen when
the device is removed. Currently if you hotunplug the device this is
skipped if there is already open driver instance.
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240522102143.128069-24-matthew.auld@intel.com
Make sure to actually call this when the device is removed. Currently we
only trigger it when the driver instance goes away, but that doesn't
work too well with hotunplug, since device can be removed and re-probed
with a new driver instance, where the guc_fini() is called too late.
Move the fini over to devm to ensure this is called when device is
removed.
References: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/1717
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240522102143.128069-22-matthew.auld@intel.com
Device can be hotunplugged before we start destroying gem objects. In
such a case don't touch the GGTT entries, trigger any invalidations or
mess around with rpm. This should already be taken care of when
removing the device, we just need to take care of dealing with the
software state, like removing the mm node.
v2: (Andrzej)
- Avoid some duplication by tracking the bound status and checking
that instead.
References: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/1717
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Andrzej Hajda <andrzej.hajda@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Reviewed-by: Jagmeet Randhawa <jagmeet.randhawa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240522102143.128069-21-matthew.auld@intel.com
This is quite broken since we are nuking the pdev link to the private
driver struct, but note here that driver_release is called when the
drm_device is released (poor mans drmm), which can be long after the
device has been removed. So here what we are actually doing is nuking
the pdev link for what is potentially bound to a different drm_device.
If that happens before our pci remove callback is triggered (for the new
drm_device) we silently exit and skip some important cleanup steps,
resulting in hilarity.
There should be no reason to implement driver_release, when we already
have nicer stuff like drmm, so just remove completely. The actual pdev
link is already nuked when removing the device.
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Andrzej Hajda <andrzej.hajda@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240522102143.128069-19-matthew.auld@intel.com
The GuC firmware is loaded and initialized by the PF driver. Make
sure VF drivers only perform permitted operations. For submission
initialization, use number of GuC context IDs from self config.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240521092518.624-3-michal.wajdeczko@intel.com
While PF and native drivers may initialize submission code to use
all available GuC contexts IDs, the VF driver may only use limited
number of IDs. Update init function to accept number of context
IDs available for use.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240521092518.624-2-michal.wajdeczko@intel.com
We don't need <linux/delay.h> include since commit 5c09bd6ccd41
("drm/xe/mmio: Move xe_mmio_wait32() to xe_mmio.c").
We don't need <linux/io-64-nonatomic-lo-hi.h> include since commit
54c659660d63 ("drm/xe: Make xe_mmio_read|write() functions non-inline").
And since commit 924e6a9789a0 ("drm/xe/uapi: Remove MMIO ioctl")
we don't need forward declarations of drm_device and drm_file.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240520181814.2392-4-michal.wajdeczko@intel.com
These compilation units use udelay() or some GT oriented printk
functions without explicitly including proper header files, and
relying on #includes from the xe_mmio.h instead. Fix that.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Francois Dugast <francois.dugast@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240520181814.2392-3-michal.wajdeczko@intel.com
Interruptible lock can return error and needed a return value
check. This test should finish quick enough so use a uninterruptible
lock instead.
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240521102715.22700-1-nirmoy.das@intel.com
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
At xe_pt_zap_ptes_entry() and xe_pt_stage_unbind_entry, the level cannot
be 0. Therefore, add an independent check for the level. Since the level
cannot be zero at this point, there is no need to check for `is_compact`,
so remove that instead.
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240521103623.11645-1-nirmoy.das@intel.com
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
The L3 bank mask is already generated and stored internally with
the rest of the GT topology. In user space, the compute runtime
now needs this information to be added to the device properties
therefore the topology mask query is extended to provide a new
mask which represents the L3 banks enabled on the GT.
The changes in the compute runtime are ready and approved, see
link below.
v2: Rewrite commit message and add a link to the compute
runtime PR (Francois Dugast)
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Robert Krzemien <robert.krzemien@intel.com>
Cc: Mateusz Jablonski <mateusz.jablonski@intel.com>
Link: https://github.com/intel/compute-runtime/pull/722
Signed-off-by: Francois Dugast <francois.dugast@intel.com>
Acked-by: Mateusz Jablonski <mateusz.jablonski@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240416145037.7-2-francois.dugast@intel.com
Print the accumulated runtime for client when printing fdinfo.
Each time a query is done it first does 2 things:
1) loop through all the exec queues for the current client and
accumulate the runtime, per engine class. CTX_TIMESTAMP is used for
that, being read from the context image.
2) Read a "GPU timestamp" that can be used for considering "how much GPU
time has passed" and that has the same unit/refclock as the one
recording the runtime. RING_TIMESTAMP is used for that via MMIO.
Since for all current platforms RING_TIMESTAMP follows the same
refclock, just read it once, using any first engine available.
This is exported to userspace as 2 numbers in fdinfo:
drm-cycles-<class>: <RUNTIME>
drm-total-cycles-<class>: <TIMESTAMP>
Userspace is expected to collect at least 2 samples, which allows to
know the client engine busyness as per:
RUNTIME1 - RUNTIME0
busyness = ---------------------
T1 - T0
Since drm-cycles-<class> always starts at 0, it's also possible to know
if and engine was ever used by a client.
It's expected that userspace will read any 2 samples every few seconds.
Given the update frequency of the counters involved and that
CTX_TIMESTAMP is 32-bits, the counter for each exec_queue can wrap
around (assuming 100% utilization) after ~200s. The wraparound is not
perceived by userspace since it's just accumulated for all the
exec_queues in a 64-bit counter) but the measurement will not be
accurate if the samples are too far apart.
This could be mitigated by adding a workqueue to accumulate the counters
every so often, but it's additional complexity for something that is
done already by userspace every few seconds in tools like gputop (from
igt), htop, nvtop, etc, with none of them really defaulting to 1 sample
per minute or more.
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Acked-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240517204310.88854-9-lucas.demarchi@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
gt->info.engine_mask used to indicate the available engines, but that
is not always true anymore: some engines are reserved to kernel and some
may be exposed as a single engine (e.g. with ccs_mode).
Runtime changes only happen when no clients exist, so it's safe to cache
the list of engines in the gt and update that when it's needed. This
will help implementing per client engine utilization so this (mostly
constant) information doesn't need to be re-calculated on every query.
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240517204310.88854-7-lucas.demarchi@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Add a helper to accumulate per-client runtime of all its
exec queues. This is called every time a sched job is finished.
v2:
- Use guc_exec_queue_free_job() and execlist_job_free() to accumulate
runtime when job is finished since xe_sched_job_completed() is not a
notification that job finished.
- Stop trying to update runtime from xe_exec_queue_fini() - that is
redundant and may happen after xef is closed, leading to a
use-after-free
- Do not special case the first timestamp read: the default LRC sets
CTX_TIMESTAMP to zero, so even the first sample should be a valid
one.
- Handle the parallel submission case by multiplying the runtime by
width.
v3: Update comments
Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240517204310.88854-6-lucas.demarchi@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Just like CTX_TIMESTAMP is used to calculate runtime, add a helper to
get the timestamp for the engine so it can be used to calculate the
"engine time" with the same unit as the runtime is recorded.
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240517204310.88854-5-lucas.demarchi@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Add a helper to capture CTX_TIMESTAMP from the context image so it can
be used to calculate the runtime.
v2: Add kernel-doc to clarify expectation from caller
Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: Francois Dugast <francois.dugast@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240517204310.88854-4-lucas.demarchi@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
XE_ENGINE_CLASS_OTHER was missing from the str conversion. Add it and
remove the default handling so it's protected by -Wswitch.
Currently the only user is xe_hw_engine_class_sysfs_init(), which
already skips XE_ENGINE_CLASS_OTHER, so there's no change in behavior.
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240517204310.88854-3-lucas.demarchi@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Other u64 registers are printed in a single line so RING_START
needs to follow that too.
As there is no upstream decoder tool parsing RING_START this will
not break any decoder application.
Cc: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240510150108.80679-1-jose.souza@intel.com
For debug purposes we might want to view actual VF configuration
(including GGTT range, LMEM size, number of GuC contexts IDs or
doorbells) and the negotiated ABI versions (with GuC and PF).
Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240516110546.2216-7-michal.wajdeczko@intel.com
