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EXECLIST_CONTROL ($enginebase + 0x550) is a write-only register; we
shouldn't be trying to read or report it as part of the device error
state.
Bspec: 45910, 60335
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://lore.kernel.org/r/20231109194606.1835284-2-matthew.d.roper@intel.com
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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This register don't exist in gfx12+, so here dropping the readout
and print in devcoredump.
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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The first step in introducing the GSCCS is to add all the basic defs for
it (name, mmio base, class/instance, lrc size etc).
Bspec: 60149, 60421, 63752
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20230817201831.1583172-3-daniele.ceraolospurio@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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For each HW engine under GT we are adding defaults sysfs
entry to list all engine scheduler properties and its
default values. So that it will be easier for user to
fetch default values of these properties anytime to go
back to default.
For example,
DUT# cat /sys/class/drm/card1/device/tileN/gtN/engines/bcs/.defaults/
job_timeout_ms preempt_timeout_us timeslice_duration_us
where,
@job_timeout_ms: The time after which a job is removed from the scheduler.
@preempt_timeout_us: How long to wait (in microseconds) for a preemption
event to occur when submitting a new context.
@timeslice_duration_us: Each context is scheduled for execution for the
timeslice duration, before switching to the next
context.
V12:
- Add missing drmm_add_action_or_reset and remove sysfs files
V11:
- Rebase
V10:
- Remove xe_gt.h inclusion from .h - Matt
V9 :
- Remove jiffies for job_timeout_ms - Matt
V8 :
- replace xe_engine with xe_hw_engine - Matt
V7 :
- Push all errors to one error path at every places - Niranjana
- Describe struct member to resolve kernel doc err - CI hooks
V6 :
- Use engine class interface instead of hw engine
in sysfs for better interfacing readability - Niranjana
V5 :
- Scheduling props should apply per class engine not per hardware engine - Matt
- Do not record value of job_timeout_ms if changed based on dma_fence - Matt
V4 :
- Resolve merge conflicts - CI
V3 :
- Rearrange code in its own file
- Rebase
- Update commit message to reflect tile addition
V2 :
- Use sysfs_create_files in this patch - Niranjana
- Handle prototype error for xe_add_engine_defaults - CI hooks
- Remove unused member sysfs_hwe - Niranjana
Reviewed-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Fix 6 errors and 20 warnings reported by checkpatch.pl.
Signed-off-by: Francois Dugast <francois.dugast@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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The goal is to allow for a snapshot capture to be taken at the time
of the crash, while the print out can happen at a later time through
the exposed devcoredump virtual device.
v2: Addressing these Matthew comments:
- Handle memory allocation failures.
- Do not use GFP_ATOMIC on cases like debugfs prints.
- placement of @reg doc.
- identation issues.
v3: checkpatch
v4: Rebase and get back to GFP_ATOMIC only.
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
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This allows to create WA/tuning rules that match the first engine that
is either of compute or render class. This matters for platforms that
don't have a render engine and that may have arbitrary compute engines
fused off: some register programming need to be added to one of those
engines.
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Xe, is a new driver for Intel GPUs that supports both integrated and
discrete platforms starting with Tiger Lake (first Intel Xe Architecture).
The code is at a stage where it is already functional and has experimental
support for multiple platforms starting from Tiger Lake, with initial
support implemented in Mesa (for Iris and Anv, our OpenGL and Vulkan
drivers), as well as in NEO (for OpenCL and Level0).
The new Xe driver leverages a lot from i915.
As for display, the intent is to share the display code with the i915
driver so that there is maximum reuse there. But it is not added
in this patch.
This initial work is a collaboration of many people and unfortunately
the big squashed patch won't fully honor the proper credits. But let's
get some git quick stats so we can at least try to preserve some of the
credits:
Co-developed-by: Matthew Brost <matthew.brost@intel.com>
Co-developed-by: Matthew Auld <matthew.auld@intel.com>
Co-developed-by: Matt Roper <matthew.d.roper@intel.com>
Co-developed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Co-developed-by: Francois Dugast <francois.dugast@intel.com>
Co-developed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Co-developed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Co-developed-by: Philippe Lecluse <philippe.lecluse@intel.com>
Co-developed-by: Nirmoy Das <nirmoy.das@intel.com>
Co-developed-by: Jani Nikula <jani.nikula@intel.com>
Co-developed-by: José Roberto de Souza <jose.souza@intel.com>
Co-developed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Co-developed-by: Dave Airlie <airlied@redhat.com>
Co-developed-by: Faith Ekstrand <faith.ekstrand@collabora.com>
Co-developed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Co-developed-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
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