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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/i915/Kconfig
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--drivers/gpu/drm/i915/Kconfig173
-rw-r--r--drivers/gpu/drm/i915/Kconfig.debug241
-rw-r--r--drivers/gpu/drm/i915/Kconfig.profile121
-rw-r--r--drivers/gpu/drm/i915/Kconfig.unstable21
4 files changed, 556 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/Kconfig b/drivers/gpu/drm/i915/Kconfig
new file mode 100644
index 000000000..6b10868ec
--- /dev/null
+++ b/drivers/gpu/drm/i915/Kconfig
@@ -0,0 +1,173 @@
+# SPDX-License-Identifier: GPL-2.0-only
+config DRM_I915
+ tristate "Intel 8xx/9xx/G3x/G4x/HD Graphics"
+ depends on DRM
+ depends on X86 && PCI
+ depends on !PREEMPT_RT
+ select INTEL_GTT if X86
+ select INTERVAL_TREE
+ # we need shmfs for the swappable backing store, and in particular
+ # the shmem_readpage() which depends upon tmpfs
+ select SHMEM
+ select TMPFS
+ select DRM_DISPLAY_DP_HELPER
+ select DRM_DISPLAY_HDCP_HELPER
+ select DRM_DISPLAY_HDMI_HELPER
+ select DRM_DISPLAY_HELPER
+ select DRM_KMS_HELPER
+ select DRM_PANEL
+ select DRM_MIPI_DSI
+ select RELAY
+ select IRQ_WORK
+ # i915 depends on ACPI_VIDEO when ACPI is enabled
+ # but for select to work, need to select ACPI_VIDEO's dependencies, ick
+ select BACKLIGHT_CLASS_DEVICE if ACPI
+ select INPUT if ACPI
+ select X86_PLATFORM_DEVICES if ACPI
+ select ACPI_WMI if ACPI
+ select ACPI_VIDEO if ACPI
+ select ACPI_BUTTON if ACPI
+ select SYNC_FILE
+ select IOSF_MBI if X86
+ select CRC32
+ select SND_HDA_I915 if SND_HDA_CORE
+ select CEC_CORE if CEC_NOTIFIER
+ select VMAP_PFN
+ select DRM_TTM
+ select DRM_BUDDY
+ select AUXILIARY_BUS
+ help
+ Choose this option if you have a system that has "Intel Graphics
+ Media Accelerator" or "HD Graphics" integrated graphics,
+ including 830M, 845G, 852GM, 855GM, 865G, 915G, 945G, 965G,
+ G35, G41, G43, G45 chipsets and Celeron, Pentium, Core i3,
+ Core i5, Core i7 as well as Atom CPUs with integrated graphics.
+
+ This driver is used by the Intel driver in X.org 6.8 and
+ XFree86 4.4 and above. It replaces the older i830 module that
+ supported a subset of the hardware in older X.org releases.
+
+ Note that the older i810/i815 chipsets require the use of the
+ i810 driver instead, and the Atom z5xx series has an entirely
+ different implementation.
+
+ If "M" is selected, the module will be called i915.
+
+config DRM_I915_FORCE_PROBE
+ string "Force probe i915 for selected Intel hardware IDs"
+ depends on DRM_I915
+ help
+ This is the default value for the i915.force_probe module
+ parameter. Using the module parameter overrides this option.
+
+ Force probe the i915 driver for Intel graphics devices that are
+ recognized but not properly supported by this kernel version. Force
+ probing an unsupported device taints the kernel. It is recommended to
+ upgrade to a kernel version with proper support as soon as it is
+ available.
+
+ It can also be used to block the probe of recognized and fully
+ supported devices.
+
+ Use "" to disable force probe. If in doubt, use this.
+
+ Use "<pci-id>[,<pci-id>,...]" to force probe the i915 for listed
+ devices. For example, "4500" or "4500,4571".
+
+ Use "*" to force probe the driver for all known devices. Not
+ recommended.
+
+ Use "!" right before the ID to block the probe of the device. For
+ example, "4500,!4571" forces the probe of 4500 and blocks the probe of
+ 4571.
+
+ Use "!*" to block the probe of the driver for all known devices.
+
+config DRM_I915_CAPTURE_ERROR
+ bool "Enable capturing GPU state following a hang"
+ depends on DRM_I915
+ default y
+ help
+ This option enables capturing the GPU state when a hang is detected.
+ This information is vital for triaging hangs and assists in debugging.
+ Please report any hang for triaging according to:
+ https://gitlab.freedesktop.org/drm/intel/-/wikis/How-to-file-i915-bugs
+
+ If in doubt, say "Y".
+
+config DRM_I915_COMPRESS_ERROR
+ bool "Compress GPU error state"
+ depends on DRM_I915_CAPTURE_ERROR
+ select ZLIB_DEFLATE
+ default y
+ help
+ This option selects ZLIB_DEFLATE if it isn't already
+ selected and causes any error state captured upon a GPU hang
+ to be compressed using zlib.
+
+ If in doubt, say "Y".
+
+config DRM_I915_USERPTR
+ bool "Always enable userptr support"
+ depends on DRM_I915
+ select MMU_NOTIFIER
+ default y
+ help
+ This option selects CONFIG_MMU_NOTIFIER if it isn't already
+ selected to enabled full userptr support.
+
+ If in doubt, say "Y".
+
+config DRM_I915_GVT_KVMGT
+ tristate "Enable KVM host support Intel GVT-g graphics virtualization"
+ depends on DRM_I915
+ depends on X86
+ depends on 64BIT
+ depends on KVM
+ depends on VFIO_MDEV
+ select DRM_I915_GVT
+ select KVM_EXTERNAL_WRITE_TRACKING
+
+ help
+ Choose this option if you want to enable Intel GVT-g graphics
+ virtualization technology host support with integrated graphics.
+ With GVT-g, it's possible to have one integrated graphics
+ device shared by multiple VMs under KVM.
+
+ Note that this driver only supports newer device from Broadwell on.
+ For further information and setup guide, you can visit:
+ http://01.org/igvt-g.
+
+ If in doubt, say "N".
+
+config DRM_I915_PXP
+ bool "Enable Intel PXP support"
+ depends on DRM_I915
+ depends on INTEL_MEI && INTEL_MEI_PXP
+ default n
+ help
+ PXP (Protected Xe Path) is an i915 component, available on graphics
+ version 12 and newer GPUs, that helps to establish the hardware
+ protected session and manage the status of the alive software session,
+ as well as its life cycle.
+
+menu "drm/i915 Debugging"
+depends on DRM_I915
+depends on EXPERT
+source "drivers/gpu/drm/i915/Kconfig.debug"
+endmenu
+
+menu "drm/i915 Profile Guided Optimisation"
+ visible if EXPERT
+ depends on DRM_I915
+ source "drivers/gpu/drm/i915/Kconfig.profile"
+endmenu
+
+menu "drm/i915 Unstable Evolution"
+ visible if EXPERT && STAGING && BROKEN
+ depends on DRM_I915
+ source "drivers/gpu/drm/i915/Kconfig.unstable"
+endmenu
+
+config DRM_I915_GVT
+ bool
diff --git a/drivers/gpu/drm/i915/Kconfig.debug b/drivers/gpu/drm/i915/Kconfig.debug
new file mode 100644
index 000000000..47e845353
--- /dev/null
+++ b/drivers/gpu/drm/i915/Kconfig.debug
@@ -0,0 +1,241 @@
+# SPDX-License-Identifier: GPL-2.0-only
+config DRM_I915_WERROR
+ bool "Force GCC to throw an error instead of a warning when compiling"
+ # As this may inadvertently break the build, only allow the user
+ # to shoot oneself in the foot iff they aim really hard
+ depends on EXPERT
+ # We use the dependency on !COMPILE_TEST to not be enabled in
+ # allmodconfig or allyesconfig configurations
+ depends on !COMPILE_TEST
+ default n
+ help
+ Add -Werror to the build flags for (and only for) i915.ko.
+ Do not enable this unless you are writing code for the i915.ko module.
+
+ Recommended for driver developers only.
+
+ If in doubt, say "N".
+
+config DRM_I915_DEBUG
+ bool "Enable additional driver debugging"
+ depends on DRM_I915
+ depends on EXPERT # only for developers
+ depends on !COMPILE_TEST # never built by robots
+ select DEBUG_FS
+ select PREEMPT_COUNT
+ select I2C_CHARDEV
+ select STACKDEPOT
+ select DRM_DP_AUX_CHARDEV
+ select X86_MSR # used by igt/pm_rpm
+ select DRM_VGEM # used by igt/prime_vgem (dmabuf interop checks)
+ select DRM_DEBUG_MM if DRM=y
+ select DRM_EXPORT_FOR_TESTS if m
+ select DRM_DEBUG_SELFTEST
+ select DMABUF_SELFTESTS
+ select SW_SYNC # signaling validation framework (igt/syncobj*)
+ select DRM_I915_WERROR
+ select DRM_I915_DEBUG_GEM
+ select DRM_I915_DEBUG_GEM_ONCE
+ select DRM_I915_DEBUG_MMIO
+ select DRM_I915_DEBUG_RUNTIME_PM
+ select DRM_I915_SW_FENCE_DEBUG_OBJECTS
+ select DRM_I915_SELFTEST
+ default n
+ help
+ Choose this option to turn on extra driver debugging that may affect
+ performance but will catch some internal issues.
+
+ Recommended for driver developers only.
+
+ If in doubt, say "N".
+
+config DRM_I915_DEBUG_MMIO
+ bool "Always insert extra checks around mmio access by default"
+ default n
+ help
+ By default, always enables the extra sanity checks (extra register
+ reads) around every mmio (register) access that will slow the system
+ down. This sets the default value of i915.mmio_debug to -1 and can
+ be overridden at module load.
+
+ Recommended for driver developers only.
+
+ If in doubt, say "N".
+
+config DRM_I915_DEBUG_GEM
+ bool "Insert extra checks into the GEM internals"
+ default n
+ depends on DRM_I915_WERROR
+ help
+ Enable extra sanity checks (including BUGs) along the GEM driver
+ paths that may slow the system down and if hit hang the machine.
+
+ Recommended for driver developers only.
+
+ If in doubt, say "N".
+
+config DRM_I915_DEBUG_GEM_ONCE
+ bool "Make a GEM debug failure fatal"
+ default n
+ depends on DRM_I915_DEBUG_GEM
+ help
+ During development, we often only want the very first failure
+ as that would otherwise be lost in the deluge of subsequent
+ failures. However, more casual testers may not want to trigger
+ a hard BUG_ON and hope that the system remains sufficiently usable
+ to capture a bug report in situ.
+
+ Recommended for driver developers only.
+
+ If in doubt, say "N".
+
+config DRM_I915_ERRLOG_GEM
+ bool "Insert extra logging (very verbose) for common GEM errors"
+ default n
+ depends on DRM_I915_DEBUG_GEM
+ help
+ Enable additional logging that may help track down the cause of
+ principally userspace errors.
+
+ Recommended for driver developers only.
+
+ If in doubt, say "N".
+
+config DRM_I915_TRACE_GEM
+ bool "Insert extra ftrace output from the GEM internals"
+ depends on DRM_I915_DEBUG_GEM
+ select TRACING
+ default n
+ help
+ Enable additional and verbose debugging output that will spam
+ ordinary tests, but may be vital for post-mortem debugging when
+ used with /proc/sys/kernel/ftrace_dump_on_oops
+
+ Recommended for driver developers only.
+
+ If in doubt, say "N".
+
+config DRM_I915_TRACE_GTT
+ bool "Insert extra ftrace output from the GTT internals"
+ depends on DRM_I915_DEBUG_GEM
+ select TRACING
+ default n
+ help
+ Enable additional and verbose debugging output that will spam
+ ordinary tests, but may be vital for post-mortem debugging when
+ used with /proc/sys/kernel/ftrace_dump_on_oops
+
+ Recommended for driver developers only.
+
+ If in doubt, say "N".
+
+config DRM_I915_SW_FENCE_DEBUG_OBJECTS
+ bool "Enable additional driver debugging for fence objects"
+ depends on DRM_I915
+ select DEBUG_OBJECTS
+ default n
+ help
+ Choose this option to turn on extra driver debugging that may affect
+ performance but will catch some internal issues.
+
+ Recommended for driver developers only.
+
+ If in doubt, say "N".
+
+config DRM_I915_SW_FENCE_CHECK_DAG
+ bool "Enable additional driver debugging for detecting dependency cycles"
+ depends on DRM_I915
+ default n
+ help
+ Choose this option to turn on extra driver debugging that may affect
+ performance but will catch some internal issues.
+
+ Recommended for driver developers only.
+
+ If in doubt, say "N".
+
+config DRM_I915_DEBUG_GUC
+ bool "Enable additional driver debugging for GuC"
+ depends on DRM_I915
+ default n
+ help
+ Choose this option to turn on extra driver debugging that may affect
+ performance but will help resolve GuC related issues.
+
+ Recommended for driver developers only.
+
+ If in doubt, say "N".
+
+config DRM_I915_SELFTEST
+ bool "Enable selftests upon driver load"
+ depends on DRM_I915
+ default n
+ select DRM_EXPORT_FOR_TESTS if m
+ select FAULT_INJECTION
+ select PRIME_NUMBERS
+ select CRC32
+ help
+ Choose this option to allow the driver to perform selftests upon
+ loading; also requires the i915.selftest=1 module parameter. To
+ exit the module after running the selftests (i.e. to prevent normal
+ module initialisation afterwards) use i915.selftest=-1.
+
+ Recommended for driver developers only.
+
+ If in doubt, say "N".
+
+config DRM_I915_SELFTEST_BROKEN
+ bool "Enable broken and dangerous selftests"
+ depends on DRM_I915_SELFTEST
+ depends on BROKEN
+ default n
+ help
+ This option enables the execution of selftests that are "dangerous"
+ and may trigger unintended HW side-effects as they break strict
+ rules given in the HW specification. For science.
+
+ Recommended for masochistic driver developers only.
+
+ If in doubt, say "N".
+
+config DRM_I915_LOW_LEVEL_TRACEPOINTS
+ bool "Enable low level request tracing events"
+ depends on DRM_I915
+ default n
+ help
+ Choose this option to turn on low level request tracing events.
+ This provides the ability to precisely monitor engine utilisation
+ and also analyze the request dependency resolving timeline.
+
+ Recommended for driver developers only.
+
+ If in doubt, say "N".
+
+config DRM_I915_DEBUG_VBLANK_EVADE
+ bool "Enable extra debug warnings for vblank evasion"
+ depends on DRM_I915
+ default n
+ help
+ Choose this option to turn on extra debug warnings for the
+ vblank evade mechanism. This gives a warning every time the
+ the deadline allotted for the vblank evade critical section
+ is exceeded, even if there isn't an actual risk of missing
+ the vblank.
+
+ Recommended for driver developers only.
+
+ If in doubt, say "N".
+
+config DRM_I915_DEBUG_RUNTIME_PM
+ bool "Enable extra state checking for runtime PM"
+ depends on DRM_I915
+ default n
+ select STACKDEPOT
+ help
+ Choose this option to turn on extra state checking for the
+ runtime PM functionality. This may introduce overhead during
+ driver loading, suspend and resume operations.
+
+ Recommended for driver developers only.
+
+ If in doubt, say "N"
diff --git a/drivers/gpu/drm/i915/Kconfig.profile b/drivers/gpu/drm/i915/Kconfig.profile
new file mode 100644
index 000000000..39328567c
--- /dev/null
+++ b/drivers/gpu/drm/i915/Kconfig.profile
@@ -0,0 +1,121 @@
+config DRM_I915_REQUEST_TIMEOUT
+ int "Default timeout for requests (ms)"
+ default 20000 # milliseconds
+ help
+ Configures the default timeout after which any user submissions will
+ be forcefully terminated.
+
+ Beware setting this value lower, or close to heartbeat interval
+ rounded to whole seconds times three, in order to avoid allowing
+ misbehaving applications causing total rendering failure in unrelated
+ clients.
+
+ May be 0 to disable the timeout.
+
+config DRM_I915_FENCE_TIMEOUT
+ int "Timeout for unsignaled foreign fences (ms, jiffy granularity)"
+ default 10000 # milliseconds
+ help
+ When listening to a foreign fence, we install a supplementary timer
+ to ensure that we are always signaled and our userspace is able to
+ make forward progress. This value specifies the timeout used for an
+ unsignaled foreign fence.
+
+ May be 0 to disable the timeout, and rely on the foreign fence being
+ eventually signaled.
+
+config DRM_I915_USERFAULT_AUTOSUSPEND
+ int "Runtime autosuspend delay for userspace GGTT mmaps (ms)"
+ default 250 # milliseconds
+ help
+ On runtime suspend, as we suspend the device, we have to revoke
+ userspace GGTT mmaps and force userspace to take a pagefault on
+ their next access. The revocation and subsequent recreation of
+ the GGTT mmap can be very slow and so we impose a small hysteris
+ that complements the runtime-pm autosuspend and provides a lower
+ floor on the autosuspend delay.
+
+ May be 0 to disable the extra delay and solely use the device level
+ runtime pm autosuspend delay tunable.
+
+config DRM_I915_HEARTBEAT_INTERVAL
+ int "Interval between heartbeat pulses (ms)"
+ default 2500 # milliseconds
+ help
+ The driver sends a periodic heartbeat down all active engines to
+ check the health of the GPU and undertake regular house-keeping of
+ internal driver state.
+
+ This is adjustable via
+ /sys/class/drm/card?/engine/*/heartbeat_interval_ms
+
+ May be 0 to disable heartbeats and therefore disable automatic GPU
+ hang detection.
+
+config DRM_I915_PREEMPT_TIMEOUT
+ int "Preempt timeout (ms, jiffy granularity)"
+ default 640 # milliseconds
+ help
+ How long to wait (in milliseconds) for a preemption event to occur
+ when submitting a new context via execlists. If the current context
+ does not hit an arbitration point and yield to HW before the timer
+ expires, the HW will be reset to allow the more important context
+ to execute.
+
+ This is adjustable via
+ /sys/class/drm/card?/engine/*/preempt_timeout_ms
+
+ May be 0 to disable the timeout.
+
+ The compiled in default may get overridden at driver probe time on
+ certain platforms and certain engines which will be reflected in the
+ sysfs control.
+
+config DRM_I915_MAX_REQUEST_BUSYWAIT
+ int "Busywait for request completion limit (ns)"
+ default 8000 # nanoseconds
+ help
+ Before sleeping waiting for a request (GPU operation) to complete,
+ we may spend some time polling for its completion. As the IRQ may
+ take a non-negligible time to setup, we do a short spin first to
+ check if the request will complete in the time it would have taken
+ us to enable the interrupt.
+
+ This is adjustable via
+ /sys/class/drm/card?/engine/*/max_busywait_duration_ns
+
+ May be 0 to disable the initial spin. In practice, we estimate
+ the cost of enabling the interrupt (if currently disabled) to be
+ a few microseconds.
+
+config DRM_I915_STOP_TIMEOUT
+ int "How long to wait for an engine to quiesce gracefully before reset (ms)"
+ default 100 # milliseconds
+ help
+ By stopping submission and sleeping for a short time before resetting
+ the GPU, we allow the innocent contexts also on the system to quiesce.
+ It is then less likely for a hanging context to cause collateral
+ damage as the system is reset in order to recover. The corollary is
+ that the reset itself may take longer and so be more disruptive to
+ interactive or low latency workloads.
+
+ This is adjustable via
+ /sys/class/drm/card?/engine/*/stop_timeout_ms
+
+config DRM_I915_TIMESLICE_DURATION
+ int "Scheduling quantum for userspace batches (ms, jiffy granularity)"
+ default 1 # milliseconds
+ help
+ When two user batches of equal priority are executing, we will
+ alternate execution of each batch to ensure forward progress of
+ all users. This is necessary in some cases where there may be
+ an implicit dependency between those batches that requires
+ concurrent execution in order for them to proceed, e.g. they
+ interact with each other via userspace semaphores. Each context
+ is scheduled for execution for the timeslice duration, before
+ switching to the next context.
+
+ This is adjustable via
+ /sys/class/drm/card?/engine/*/timeslice_duration_ms
+
+ May be 0 to disable timeslicing.
diff --git a/drivers/gpu/drm/i915/Kconfig.unstable b/drivers/gpu/drm/i915/Kconfig.unstable
new file mode 100644
index 000000000..cf151a297
--- /dev/null
+++ b/drivers/gpu/drm/i915/Kconfig.unstable
@@ -0,0 +1,21 @@
+# SPDX-License-Identifier: GPL-2.0-only
+config DRM_I915_UNSTABLE
+ bool "Enable unstable API for early prototype development"
+ depends on EXPERT
+ depends on STAGING
+ depends on BROKEN # should never be enabled by distros!
+ # We use the dependency on !COMPILE_TEST to not be enabled in
+ # allmodconfig or allyesconfig configurations
+ depends on !COMPILE_TEST
+ default n
+ help
+ Enable prototype uAPI under general discussion before they are
+ finalized. Such prototypes may be withdrawn or substantially
+ changed before release. They are only enabled here so that a wide
+ number of interested parties (userspace driver developers) can
+ verify that the uAPI meet their expectations. These uAPI should
+ never be used in production.
+
+ Recommended for driver developers _only_.
+
+ If in the slightest bit of doubt, say "N".