The engine state size reported to GuC via ADS should only include the
engine state portion and should not include the indirect ring state page
that comes after it in the context image. The GuC uses this size to
overwrite the engine state in the LRC on watchdog resets and we don't
want it to overwrite the indirect ring state as well.
Fixes: d6219e1cd5 ("drm/xe: Add Indirect Ring State support")
Suggested-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Satyanarayana K V P <satyanarayana.k.v.p@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: https://patch.msgid.link/20260504094924.3760713-4-satyanarayana.k.v.p@intel.com
(cherry picked from commit 3ec5f003f6c377beda8bd5438941f5a7795e1848)
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
After setting a local variable, check that local value rather that
checking destination at which the value will be stored later.
This fixes the obvious mistake in error path; without it,
allocation fail would lead to NULL dereference during context
creation.
Fixes: 89340099c6 ("drm/xe/lrc: Refactor context init into xe_lrc_ctx_init()")
Signed-off-by: Tomasz Lis <tomasz.lis@intel.com>
Cc: Raag Jadav <raag.jadav@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patch.msgid.link/20260320145733.1337682-1-tomasz.lis@intel.com
Following from the i915 reference implementation, we add the AuxCCS
invalidation to the indirect context workarounds page.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patch.msgid.link/20260324084018.20353-8-tvrtko.ursulin@igalia.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
GCC and clang warn (or error with CONFIG_WERROR=y / W=e) several times
when targeting 32-bit platforms along the lines of
drivers/gpu/drm/xe/xe_lrc.c: In function 'dump_mi_command':
drivers/gpu/drm/xe/xe_lrc.c:1921:40: error: format '%lx' expects argument of type 'long unsigned int', but argument 3 has type 'int' [-Werror=format=]
1921 | drm_printf(p, "LRC[%#5lx] = [%#010x] MI_NOOP (%d dwords)\n",
| ~~~~^
| |
| long unsigned int
| %#5x
1922 | dw - num_noop - start, inst_header, num_noop);
| ~~~~~~~~~~~~~~~~~~~~~
| |
| int
drivers/gpu/drm/xe/xe_lrc.c:1922:7: error: format specifies type 'unsigned long' but the argument has type '__ptrdiff_t' (aka 'int') [-Werror,-Wformat]
1921 | drm_printf(p, "LRC[%#5lx] = [%#010x] MI_NOOP (%d dwords)\n",
| ~~~~~
| %#5tx
1922 | dw - num_noop - start, inst_header, num_noop);
| ^~~~~~~~~~~~~~~~~~~~~
Use the '%tx' specifier for printing pointer differences, which clears
up the warnings for 32-bit platforms while introducing no regressions
for 64-bit platforms.
Fixes: 65fcf19cb3 ("drm/xe: Include running dword offset in default_lrc dumps")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patch.msgid.link/20260316-drm-xe-fix-32-bit-wformat-ptrdiff-v1-1-0108b10b2b6b@kernel.org
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Getting engine specific CTX TIMESTAMP register can fail. In that case,
if the context is active, new_ts is uninitialized. Fix that case by
initializing new_ts to the last value that was sampled in SW -
lrc->ctx_timestamp.
Flagged by static analysis.
v2: Fix new_ts initialization (Ashutosh)
Fixes: bb63e7257e ("drm/xe: Avoid toggling schedule state to check LRC timestamp in TDR")
Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Link: https://patch.msgid.link/20260312125308.3126607-2-umesh.nerlige.ramappa@intel.com
Printing a running dword offset in the default_lrc_* debugfs entries
makes it easier for developers to find the right offsets to use in
regs/xe_lrc_layout.h and/or compare the default LRC contents against the
bspec-documented LRC layout.
Reviewed-by: Dnyaneshwar Bhadane <dnyaneshwar.bhadane@intel.com>
Link: https://patch.msgid.link/20260311-default_lrc_offsets-v1-1-58d8ed3aa081@intel.com
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Similar to i915's commit cebc13de7e
("drm/i915: Whitelist COMMON_SLICE_CHICKEN3 for UMD access"), except
that instead of putting the register on the allowlist for UMD to
program, the KMD is doing the programming at context initialization
based on a queue creation flag.
This is a recommended tuning setting for both gen12 and Xe_HP
platforms.
If a render queue is created with
DRM_XE_EXEC_QUEUE_SET_STATE_CACHE_PERF_FIX, COMMON_SLICE_CHICKEN3 will
be programmed at initialization to enable the render color cache to
key with BTP+BTI (binding table pool + binding table entry) instead of
just BTI (binding table entry). This enables the UMD to avoid emitting
render-target-cache-flush + stall-at-pixel-scoreboard every time a
binding table entry pointing to a render target is changed.
v2: Use xe_lrc_write_ring()
v3: Update xe_query.c to report availability
v4: Rename defines to add DISABLE_
v5: update commit message
v6: rebase
Mesa MR: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39982
Bspec: 73993, 73994, 72161, 31870, 68331
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patch.msgid.link/20260306075504.1288676-1-lionel.g.landwerlin@intel.com
The underscore prefixed masked field helper names aren't great. Rename
them REG_MASKED_FIELD(), REG_MASKED_FIELD_ENABLE(), and
REG_MASKED_FIELD_DISABLE(). This is more in line with the existing
REG_FIELD_PREP() etc. helpers, and using "field" instead of "bit" is
more accurate for the functionality.
This is done with:
sed -i 's/_MASKED_FIELD/REG_MASKED_FIELD/g' $(git grep -wl _MASKED_FIELD)
sed -i 's/_MASKED_BIT_ENABLE/REG_MASKED_FIELD_ENABLE/g' $(git grep -wl _MASKED_BIT_ENABLE)
sed -i 's/_MASKED_BIT_DISABLE/REG_MASKED_FIELD_DISABLE/g' $(git grep -wl _MASKED_BIT_DISABLE)
with some manual indentation fixes on top.
Reviewed-by: Michał Grzelak <michal.grzelak@intel.com>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patch.msgid.link/49dc20448a12f3e03f5f8347540d167a281b8987.1772042022.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Currently xe_lrc_init() does two things.
1. Allocates LRC bo based on exec queue parameters.
2. Initializes LRC bo with actual context details.
Introduce xe_lrc_ctx_init() and split these two implementations for
better maintainability.
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patch.msgid.link/20260302082757.3516577-1-raag.jadav@intel.com
The LRC seqno is read by the CPU in the fence signaling path. On dGPU
that read can turn into a PCIe transaction when the seqno lives in the
main LRC BO, making the hot-path poll/peek much more expensive.
Allocate a small dedicated seqno BO in system memory and map the seqno
and start_seqno fields from there instead. The GPU still updates the
values, but CPU reads stay in cached system memory and avoid PCIe read
latency.
Update the LRC map/address helpers to accept a BO expression and use the
new lrc->seqno_bo for seqno mappings. Unpin/unmap seqno_bo during
teardown.
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patch.msgid.link/20260218043319.809548-4-matthew.brost@intel.com
This was done entirely with mindless brute force, using
git grep -l '\<k[vmz]*alloc_objs*(.*, GFP_KERNEL)' |
xargs sed -i 's/\(alloc_objs*(.*\), GFP_KERNEL)/\1)/'
to convert the new alloc_obj() users that had a simple GFP_KERNEL
argument to just drop that argument.
Note that due to the extreme simplicity of the scripting, any slightly
more complex cases spread over multiple lines would not be triggered:
they definitely exist, but this covers the vast bulk of the cases, and
the resulting diff is also then easier to check automatically.
For the same reason the 'flex' versions will be done as a separate
conversion.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This is the result of running the Coccinelle script from
scripts/coccinelle/api/kmalloc_objs.cocci. The script is designed to
avoid scalar types (which need careful case-by-case checking), and
instead replace kmalloc-family calls that allocate struct or union
object instances:
Single allocations: kmalloc(sizeof(TYPE), ...)
are replaced with: kmalloc_obj(TYPE, ...)
Array allocations: kmalloc_array(COUNT, sizeof(TYPE), ...)
are replaced with: kmalloc_objs(TYPE, COUNT, ...)
Flex array allocations: kmalloc(struct_size(PTR, FAM, COUNT), ...)
are replaced with: kmalloc_flex(*PTR, FAM, COUNT, ...)
(where TYPE may also be *VAR)
The resulting allocations no longer return "void *", instead returning
"TYPE *".
Signed-off-by: Kees Cook <kees@kernel.org>
An LRC is stored in memory as a special batchbuffer that hardware will
execute to re-load state when switching to the context; it's a
collection of register values (encoded as MI_LOAD_REGISTER_IMM commands)
and other state instructions (e.g., 3DSTATE_*). The value that will be
loaded for a given register can be determined by parsing the batchbuffer
to find MI_LRI commands and extracting the value from the offset/value
pairs it contains. Add functions to do this, which will be used in a
future patch to help verify that our expected reg_sr programming is in
place.
The implementation here returns the value as soon as it finds a match in
the LRC. Technically a register could appear multiple times (either due
to memory corruption or a hardware defect) and the last value
encountered would be the one in effect when the context resumes
execution. We can adjust the logic to keep looking and return the last
match instead of first in the future if we encounter real-world cases
where this would assist with debugging.
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Link: https://patch.msgid.link/20260218-sr_verify-v4-3-35d6deeb3421@intel.com
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
core:
- drop kgdb support
- replace system workqueue with percpu
- account for property blobs in memcg
- MAINTAINERS updates for xe + buddy
rust:
- Fix documentation for Registration constructors.
- Use pin_init::zeroed() for fops initialization.
- Annotate DRM helpers with __rust_helper.
- Improve safety documentation for gem::Object::new().
- Update AlwaysRefCounted imports.
- mm: Prevent integer overflow in page_align().
atomic:
- add drm_device pointer to drm_private_obj
- introduce gamma/degamma LUT size check
buddy:
- fix free_trees memory leak
- prevent BUG_ON
bridge:
- introduce drm_bridge_unplug/enter/exit
- add connector argument to .hpd_notify
- lots of recounting conversions
- convert rockchip inno hdmi to bridge
- lontium-lt9611uxc: switch to HDMI audio helpers
- dw-hdmi-qp: add support for HPD-less setups
- Algoltek AG6311 support
panels:
- edp: CSW MNE007QB3-1, AUO B140HAN06.4, AUO B140QAX01.H
- st75751: add SPI support
- Sitronix ST7920, Samsung LTL106HL02
- LG LH546WF1-ED01, HannStar HSD156J
- BOE NV130WUM-T08
- Innolux G150XGE-L05
- Anbernic RG-DS
dma-buf:
- improve sg_table debugging
- add tracepoints
- call clear_page instead of memset
- start to introduce cgroup memory accounting in heaps
- remove sysfs stats
dma-fence:
- add new helpers
dp:
- mst: avoid oob access with vcpi=0
hdmi:
- limit infoframes exposure to userspace
gem:
- reduce page table overhead with THP
- fix leak in drm_gem_get_unmapped_area
gpuvm:
- API sanitation for rust bindings
sched:
- introduce new helpers
panic:
- report invalid panic modes
- add kunit tests
i915/xe display:
- Expose sharpness only if num_scalers is >= 2
- Add initial Xe3P_LPD for NVL
- BMG FBC support
- Add MTL+ platforms to support dpll framework
_ fix DIMM_S DRM decoding on ICL
- Return to using AUX interrupts
- PSR/Panel replay refactoring
- use consolidation HDMI tables
- Xe3_LPD CD2X dividier changes
xe:
- vfio: add vfio_pci for intel GPU
- multi queue support
- dynamic pagemaps and multi-device SVM
- expose temp attribs in hwmon
- NO_COMPRESSION bo flag
- expose MERT OA unit
- sysfs survivability refactor
- SRIOV PF: add MERT support
- enable SR-IOV VF migration
- Enable I2C/NVM on Crescent Island
- Xe3p page reclaimation support
- introduce SRIOV scheduler groups
- add SoC remappt support in system controller
- insert compiler barriers in GuC code
- define NVL GuC firmware
- handle GT resume failure
- fix drm scheduler layering violations
- enable GSC loading and PXP for PTL
- disable GuC Power DCC strategy on PTL
- unregister drm device on probe error
i915:
- move to kernel standard fault injection
- bump recommended GuC version for DG2 and MTL
amdgpu:
- SMUIO 15.x, PSP 15.x support
- IH 6.1.1/7.1 support
- MMHUB 3.4/4.2 support
- GC 11.5.4/12.1 support
- SDMA 6.1.4/7.1/7.11.4 support
- JPEG 5.3 support
- UserQ updates
- GC 9 gfx queue reset support
- TTM memory ops parallelization
- convert legacy logging to new helpers
- DC analog fixes
amdkfd:
- GC 11.5.4/12.1 suppport
- SDMA 6.1.4/7.1 support
- per context support
- increase kfd process hash table
- Reserved SDMA rework
radeon:
- convert legacy logging to new helpers
- use devm for i2c adapters
msm:
- GPU
- Document a612/RGMU dt bindings
- UBWC 6.0 support (for A840 / Kaanapali)
- a225 support
- DPU:
- Switched to use virtual planes by default
- Fixed DSI CMD panels on DPU 3.x
- Rewrote format handling to remove intermediate representation
- Fixed watchdog on DPU 8.x+
- Fixed TE / Vsync source setting on DPU 8.x+
- Added 3D_Mux on SC7280
- Kaanapali platform support
- Fixed UBWC register programming
- Made RM reserve DSPP-enabled mixers for CRTCs with LMs.
- Gamma correction support
- DP:
- Enabled support for eDP 1.4+ link rate tables
- Fixed MDSS1 DP indices on SA8775P, making them to work
- Fixed msm_dp_ctrl_config_msa() to work with LLVM 20
- DSI:
- Documented QCS8300 as compatible with SA8775P
- Kaanapali platform support
- DSI PHY:
- switched to divider_determine_rate()
- MDP5:
- Dropped support for MSM8998, SDM660 and SDM630 (switched over
to DPU)
- MDSS:
- Kaanapali platform support
- Fixed UBWC register programming
nova-core:
- Prepare for Turing support. This includes parsing and handling
Turing-specific firmware headers and sections as well as a Turing
Falcon HAL implementation.
- Get rid of the Result<impl PinInit<T, E>> anti-pattern.
- Relocate initializer-specific code into the appropriate initializer.
- Use CStr::from_bytes_until_nul() to remove custom helpers.
- Improve handling of unexpected firmware values.
- Clean up redundant debug prints.
- Replace c_str!() with native Rust C-string literals.
- Update nova-core task list.
nova:
- Align GEM object size to system page size.
tyr:
- Use generated uAPI bindings for GpuInfo.
- Replace manual sleeps with read_poll_timeout().
- Replace c_str!() with native Rust C-string literals.
- Suppress warnings for unread fields.
- Fix incorrect register name in print statement.
nouveau:
- fix big page table support races in PTE management
- improve reclocking on tegra 186+
amdxdna:
- fix suspend race conditions
- improve handling of zero tail pointers
- fix cu_idx overwritten during command setup
- enable hardware context priority
- remove NPU2 support
- update message buffer allocation requirements
- update firmware version check
ast:
- support imported cursor buffers
- big endian fixes
etnaviv:
- add PPU flop reset support
imagination:
- add AM62P support
- introduce hw version checks
ivpu:
- implement warm boot flow
panfrost:
- add bo sync ioctl
- add GPU_PM_RT support for RZ/G3E SoC
panthor:
- add bo sync ioctl
- enable timestamp propagation
- scheduler robustness improvements
- VM termination fixes
- huge page support
rockchip:
- RK3368 HDMI Support
- get rid of atomic_check fixups
- RK3506 support
- RK3576/RK3588 improved HPD handling
rz-du:
- RZ/V2H(P) MIPI-DSI Support
v3d:
- fix DMA segment size
- convert to new logging helpers
mediatek:
- move DP training to hotplug thread
- convert logging to new helpers
- add support for HS speed DSI
- Genio 510/700/1200-EVK, Radxa NIO-12L HDMI support
atmel-hlcdc:
- switch to drmm resource
- support nomodeset
- use newer helpers
hisilicon:
- fix various DP bugs
renesas:
- fix kernel panic on reboot
exynos:
- fix vidi_connection_ioctl using wrong device
- fix vidi_connection deref user ptr
- fix concurrency regression with vidi_context
vkms:
- add configfs support for display configuration
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Merge tag 'drm-next-2026-02-11' of https://gitlab.freedesktop.org/drm/kernel
Pull drm updates from Dave Airlie:
"Highlights:
- amdgpu support for lots of new IP blocks which means newer GPUs
- xe has a lot of SR-IOV and SVM improvements
- lots of intel display refactoring across i915/xe
- msm has more support for gen8 platforms
- Given up on kgdb/kms integration, it's too hard on modern hw
core:
- drop kgdb support
- replace system workqueue with percpu
- account for property blobs in memcg
- MAINTAINERS updates for xe + buddy
rust:
- Fix documentation for Registration constructors
- Use pin_init::zeroed() for fops initialization
- Annotate DRM helpers with __rust_helper
- Improve safety documentation for gem::Object::new()
- Update AlwaysRefCounted imports
- mm: Prevent integer overflow in page_align()
atomic:
- add drm_device pointer to drm_private_obj
- introduce gamma/degamma LUT size check
buddy:
- fix free_trees memory leak
- prevent BUG_ON
bridge:
- introduce drm_bridge_unplug/enter/exit
- add connector argument to .hpd_notify
- lots of recounting conversions
- convert rockchip inno hdmi to bridge
- lontium-lt9611uxc: switch to HDMI audio helpers
- dw-hdmi-qp: add support for HPD-less setups
- Algoltek AG6311 support
panels:
- edp: CSW MNE007QB3-1, AUO B140HAN06.4, AUO B140QAX01.H
- st75751: add SPI support
- Sitronix ST7920, Samsung LTL106HL02
- LG LH546WF1-ED01, HannStar HSD156J
- BOE NV130WUM-T08
- Innolux G150XGE-L05
- Anbernic RG-DS
dma-buf:
- improve sg_table debugging
- add tracepoints
- call clear_page instead of memset
- start to introduce cgroup memory accounting in heaps
- remove sysfs stats
dma-fence:
- add new helpers
dp:
- mst: avoid oob access with vcpi=0
hdmi:
- limit infoframes exposure to userspace
gem:
- reduce page table overhead with THP
- fix leak in drm_gem_get_unmapped_area
gpuvm:
- API sanitation for rust bindings
sched:
- introduce new helpers
panic:
- report invalid panic modes
- add kunit tests
i915/xe display:
- Expose sharpness only if num_scalers is >= 2
- Add initial Xe3P_LPD for NVL
- BMG FBC support
- Add MTL+ platforms to support dpll framework
_ fix DIMM_S DRM decoding on ICL
- Return to using AUX interrupts
- PSR/Panel replay refactoring
- use consolidation HDMI tables
- Xe3_LPD CD2X dividier changes
xe:
- vfio: add vfio_pci for intel GPU
- multi queue support
- dynamic pagemaps and multi-device SVM
- expose temp attribs in hwmon
- NO_COMPRESSION bo flag
- expose MERT OA unit
- sysfs survivability refactor
- SRIOV PF: add MERT support
- enable SR-IOV VF migration
- Enable I2C/NVM on Crescent Island
- Xe3p page reclaimation support
- introduce SRIOV scheduler groups
- add SoC remappt support in system controller
- insert compiler barriers in GuC code
- define NVL GuC firmware
- handle GT resume failure
- fix drm scheduler layering violations
- enable GSC loading and PXP for PTL
- disable GuC Power DCC strategy on PTL
- unregister drm device on probe error
i915:
- move to kernel standard fault injection
- bump recommended GuC version for DG2 and MTL
amdgpu:
- SMUIO 15.x, PSP 15.x support
- IH 6.1.1/7.1 support
- MMHUB 3.4/4.2 support
- GC 11.5.4/12.1 support
- SDMA 6.1.4/7.1/7.11.4 support
- JPEG 5.3 support
- UserQ updates
- GC 9 gfx queue reset support
- TTM memory ops parallelization
- convert legacy logging to new helpers
- DC analog fixes
amdkfd:
- GC 11.5.4/12.1 suppport
- SDMA 6.1.4/7.1 support
- per context support
- increase kfd process hash table
- Reserved SDMA rework
radeon:
- convert legacy logging to new helpers
- use devm for i2c adapters
msm:
- GPU
- Document a612/RGMU dt bindings
- UBWC 6.0 support (for A840 / Kaanapali)
- a225 support
- DPU:
- Switch to use virtual planes by default
- Fix DSI CMD panels on DPU 3.x
- Rewrite format handling to remove intermediate representation
- Fix watchdog on DPU 8.x+
- Fix TE / Vsync source setting on DPU 8.x+
- Add 3D_Mux on SC7280
- Kaanapali platform support
- Fix UBWC register programming
- Make RM reserve DSPP-enabled mixers for CRTCs with LMs
- Gamma correction support
- DP:
- Enable support for eDP 1.4+ link rate tables
- Fix MDSS1 DP indices on SA8775P, making them to work
- Fix msm_dp_ctrl_config_msa() to work with LLVM 20
- DSI:
- Document QCS8300 as compatible with SA8775P
- Kaanapali platform support
- DSI PHY:
- switch to divider_determine_rate()
- MDP5:
- Drop support for MSM8998, SDM660 and SDM630 (switch over to DPU)
- MDSS:
- Kaanapali platform support
- Fixed UBWC register programming
nova-core:
- Prepare for Turing support. This includes parsing and handling
Turing-specific firmware headers and sections as well as a Turing
Falcon HAL implementation
- Get rid of the Result<impl PinInit<T, E>> anti-pattern
- Relocate initializer-specific code into the appropriate initializer
- Use CStr::from_bytes_until_nul() to remove custom helpers
- Improve handling of unexpected firmware values
- Clean up redundant debug prints
- Replace c_str!() with native Rust C-string literals
- Update nova-core task list
nova:
- Align GEM object size to system page size
tyr:
- Use generated uAPI bindings for GpuInfo
- Replace manual sleeps with read_poll_timeout()
- Replace c_str!() with native Rust C-string literals
- Suppress warnings for unread fields
- Fix incorrect register name in print statement
nouveau:
- fix big page table support races in PTE management
- improve reclocking on tegra 186+
amdxdna:
- fix suspend race conditions
- improve handling of zero tail pointers
- fix cu_idx overwritten during command setup
- enable hardware context priority
- remove NPU2 support
- update message buffer allocation requirements
- update firmware version check
ast:
- support imported cursor buffers
- big endian fixes
etnaviv:
- add PPU flop reset support
imagination:
- add AM62P support
- introduce hw version checks
ivpu:
- implement warm boot flow
panfrost:
- add bo sync ioctl
- add GPU_PM_RT support for RZ/G3E SoC
panthor:
- add bo sync ioctl
- enable timestamp propagation
- scheduler robustness improvements
- VM termination fixes
- huge page support
rockchip:
- RK3368 HDMI Support
- get rid of atomic_check fixups
- RK3506 support
- RK3576/RK3588 improved HPD handling
rz-du:
- RZ/V2H(P) MIPI-DSI Support
v3d:
- fix DMA segment size
- convert to new logging helpers
mediatek:
- move DP training to hotplug thread
- convert logging to new helpers
- add support for HS speed DSI
- Genio 510/700/1200-EVK, Radxa NIO-12L HDMI support
atmel-hlcdc:
- switch to drmm resource
- support nomodeset
- use newer helpers
hisilicon:
- fix various DP bugs
renesas:
- fix kernel panic on reboot
exynos:
- fix vidi_connection_ioctl using wrong device
- fix vidi_connection deref user ptr
- fix concurrency regression with vidi_context
vkms:
- add configfs support for display configuration
* tag 'drm-next-2026-02-11' of https://gitlab.freedesktop.org/drm/kernel: (1610 commits)
drm/xe/pm: Disable D3Cold for BMG only on specific platforms
drm/xe: Fix kerneldoc for xe_tlb_inval_job_alloc_dep
drm/xe: Fix kerneldoc for xe_gt_tlb_inval_init_early
drm/xe: Fix kerneldoc for xe_migrate_exec_queue
drm/xe/query: Fix topology query pointer advance
drm/xe/guc: Fix kernel-doc warning in GuC scheduler ABI header
drm/xe/guc: Fix CFI violation in debugfs access.
accel/amdxdna: Move RPM resume into job run function
accel/amdxdna: Fix incorrect DPM level after suspend/resume
nouveau/vmm: start tracking if the LPT PTE is valid. (v6)
nouveau/vmm: increase size of vmm pte tracker struct to u32 (v2)
nouveau/vmm: rewrite pte tracker using a struct and bitfields.
accel/amdxdna: Fix incorrect error code returned for failed chain command
accel/amdxdna: Remove hardware context status
drm/bridge: imx8qxp-pixel-combiner: Fix bailout for imx8qxp_pc_bridge_probe()
drm/panel: ilitek-ili9882t: Remove duplicate initializers in tianma_il79900a_dsc
drm/i915/display: fix the pixel normalization handling for xe3p_lpd
drm/exynos: vidi: use ctx->lock to protect struct vidi_context member variables related to memory alloc/free
drm/exynos: vidi: fix to avoid directly dereferencing user pointer
drm/exynos: vidi: use priv->vidi_dev for ctx lookup in vidi_connection_ioctl()
...
Like with previous generations, the engine context images for of both
RCS and CCS in Xe3p_LPG contain a common layout at the end for the
context related to the "Compute Pipeline".
The size of the memory area written to such section varies; it depends
on the type of preemption has taken place during the execution and type
of command streamer instruction that was used on the pipeline. For
Xe3p_LPG, the maximum possible size, including NOOPs for cache line
alignment, is 4368 dwords, which would be the case of a mid-thread
preemption during the execution of a COMPUTE_WALKER_2 instruction.
The maximum size has increased in such a way that we need to update
xe_gt_lrc_size() to match the new sizing requirement. When we add that
to the engine-specific parts, we have:
- RCS context image: 6672 dwords = 26688 bytes -> 7 pages
- CCS context image: 5024 dwords = 20096 bytes -> 5 pages
Bspec: 65182, 55793, 73590
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patch.msgid.link/20260206-nvl-p-upstreaming-v3-10-636e1ad32688@intel.com
Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com>
Xe3p_LPG adds some additional state instructions to the RCS engine's
LRC. Add support for these to the debugfs LRC parser.
Note that the bspec's LRC description page seems to have a few mistakes
in the name/spelling of these new instructions (e.g.,
"3DSTATE_TASK_DATA_EXT" instead of "3DSTATE_TASK_SHADER_DATA_EXT" or
"3DSTATE_VIEWPORT_STATE_POINTERS_CL_SF_2" instead of
"3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP_2").
Bspec: 65182
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Matt Atwood <matthew.s.atwood@intel.com>
Link: https://patch.msgid.link/20260206-nvl-p-upstreaming-v3-6-636e1ad32688@intel.com
Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com>
The timestamp WA does not work on a VF because it requires reading MMIO
registers, which are inaccessible on a VF. This timestamp WA confuses
LRC sampling on a VF during TDR, as the LRC timestamp would always read
as 1 for any active context. Disable the timestamp WA on VFs to avoid
this confusion.
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Fixes: 617d824c53 ("drm/xe: Add WA BB to capture active context utilization")
Link: https://patch.msgid.link/20260110012739.2888434-7-matthew.brost@intel.com
(cherry picked from commit efffd56e4b)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
We now have proper infrastructure to accurately check the LRC timestamp
without toggling the scheduling state for non-VFs. For VFs, it is still
possible to get an inaccurate view if the context is on hardware. We
guard against free-running contexts on VFs by banning jobs whose
timestamps are not moving. In addition, VFs have a timeslice quantum
that naturally triggers context switches when more than one VF is
running, thus updating the LRC timestamp.
For multi-queue, it is desirable to avoid scheduling toggling in the TDR
because this scheduling state is shared among many queues. Furthermore,
this change simplifies the GuC state machine. The trade-off for VF cases
seems worthwhile.
v5:
- Add xe_lrc_timestamp helper (Umesh)
v6:
- Reduce number of tries on stuck timestamp (VF testing)
- Convert job timestamp save to a memory copy (VF testing)
v7:
- Save ctx timestamp to LRC when start VF job (VF testing)
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Link: https://patch.msgid.link/20260110012739.2888434-8-matthew.brost@intel.com
The timestamp WA does not work on a VF because it requires reading MMIO
registers, which are inaccessible on a VF. This timestamp WA confuses
LRC sampling on a VF during TDR, as the LRC timestamp would always read
as 1 for any active context. Disable the timestamp WA on VFs to avoid
this confusion.
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Fixes: 617d824c53 ("drm/xe: Add WA BB to capture active context utilization")
Link: https://patch.msgid.link/20260110012739.2888434-7-matthew.brost@intel.com
Add support for queues of a multi queue group to set
their priority within the queue group by adding property
DRM_XE_EXEC_QUEUE_SET_PROPERTY_MULTI_QUEUE_PRIORITY.
This is the only other property supported by secondary
queues of a multi queue group, other than
DRM_XE_EXEC_QUEUE_SET_PROPERTY_MULTI_QUEUE.
v2: Add kernel doc for enum xe_multi_queue_priority,
Add assert for priority values, fix includes and
declarations (Matt Brost)
v3: update uapi kernel-doc (Matt Brost)
v4: uapi change due to rebase
Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patch.msgid.link/20251211010249.1647839-23-niranjana.vishwanathapura@intel.com
Implement DRM_XE_EXEC_QUEUE_SET_HANG_REPLAY_STATE which sets the exec
queue default state to user data passed in. The intent is for a Mesa
tool to use this replay GPU hangs.
v2:
- Enable the flag DRM_XE_EXEC_QUEUE_SET_HANG_REPLAY_STATE
- Fix the page size math calculation to avoid a crash
v4:
- Use vmemdup_user (Maarten)
- Copy default state first into LRC, then replay state (Testing, Carlos)
Cc: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Link: https://patch.msgid.link/20251126185952.546277-10-matthew.brost@intel.com
Add replay_offset and replay_length lines to LRC HWCTX snapshot with the
idea being this information can be used extract the data which needs to
be pass to exec queue extension DRM_XE_EXEC_QUEUE_SET_HANG_REPLAY_STATE
so GPU hang can be replayed via a Mesa tool.
The additional lines look like:
[HWCTX].replay_offset: 0x%x
[HWCTX].replay_length: 0x%x
Cc: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Link: https://patch.msgid.link/20251126185952.546277-9-matthew.brost@intel.com
The LRC W/A currently checks for LRC being iomem in some places, while
in others it checks if the scratch buffer is non-NULL. This
inconsistency causes issues with the VF post-migration recovery code,
which blindly passes in a scratch buffer.
This patch standardizes the check by consistently verifying whether the
LRC is iomem to determine if the scratch buffer should be used.
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Tomasz Lis <tomasz.lis@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://lore.kernel.org/r/20251008214532.3442967-8-matthew.brost@intel.com
kmalloc can fail, the returned value must have a NULL check. This should
be immediately after kmalloc for clarity.
v5:
- Assert state->buffer in setup_bo if buffer is iomem (Tomasz)
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Tomasz Lis <tomasz.lis@intel.com>
Link: https://lore.kernel.org/r/20251008214532.3442967-2-matthew.brost@intel.com
Both vm->xef and XE_LRC_CREATE_USER_CTX indicate in xe_lrc_init that
the context originates from userspace. However, XE_LRC_CREATE_USER_CTX
has a broader scope as it may be set even when no vm->xef is present.
The XE_BO_FLAG_PINNED_LATE_RESTORE flag can be extended to both cases,
so there is no point in handling the two cases separately.
Let's combine vm->xef and XE_LRC_CREATE_USER_CTX checks to detect
userspace context.
Signed-off-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Suggested-by: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://lore.kernel.org/r/20251003162619.1984236-6-piotr.piorkowski@intel.com
In general, kernel structures should be allocated in the kernel-dedicated
VRAM region. However, userspace context data - while used by the kernel -
does not need to reside there.
Let's force the allocation of such data in the general-purpose VRAM region
accessible to userspace.
Signed-off-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://lore.kernel.org/r/20251003162619.1984236-4-piotr.piorkowski@intel.com
Like done for post-context-restore commands, allow to add commands from
configfs in the middle of context restore. Since currently the indirect
ctx hardcodes the offset to CTX_INDIRECT_CTX_OFFSET_DEFAULT, this is
executed in the very beginning of engine context restore.
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://lore.kernel.org/r/20250916-wa-bb-cmds-v5-6-306bddbc15da@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Currently it's only allowed for render and compute. Going forward we
want to enable it for more engine classes. Let the XE_LRC_FLAG_INDIRECT_CTX
flag (and thus gt_engine_needs_indirect_ctx()) be the deciding factor
for its availability.
While at it, add the missing const to rcs_funcs array. Since
CTX_INDIRECT_CTX_OFFSET_DEFAULT already matches the HW default and
gt_engine_needs_indirect_ctx() only ever enables it for rcs/ccs, there
is no change in behavior, it's only preparation for future use case.
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://lore.kernel.org/r/20250916-wa-bb-cmds-v5-5-306bddbc15da@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
During validation it's useful to allows additional commands to be
executed on context switch. Fetch the commands from configfs (to be
added) and add them to the WA BB.
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://lore.kernel.org/r/20250916-wa-bb-cmds-v5-3-306bddbc15da@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Introduce an xe_bo_create_pin_map_novm() function that does not
take the drm_exec paramenter to simplify the conversion of many
callsites.
For the rest, ensure that the same drm_exec context that was used
for locking the vm is passed down to validation.
Use xe_validation_guard() where appropriate.
v2:
- Avoid gotos from within xe_validation_guard(). (Matt Brost)
- Break out the change to pf_provision_vf_lmem8 to a separate
patch.
- Adapt to signature change of xe_validation_guard().
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20250908101246.65025-12-thomas.hellstrom@linux.intel.com
Now that there are two types of wa tables and infrastructure, be more
concise in the naming of GT wa macros.
v2: update the documentation
Signed-off-by: Matt Atwood <matthew.s.atwood@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://lore.kernel.org/r/20250807214224.32728-1-matthew.s.atwood@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
The WA buffer we use to capture context utilization contains GGTT
references. This means its instructions have to be either fixed or
re-emitted during VF post-migration recovery.
This patch adds re-emitting content of the utilization WA BB during
the recovery.
The way we write to vram requires scratch buffer to be used before
the whole block is memcopied. We are re-using a scratch buffer
introduced in earlier part of the recovery. This is not a performance
optimization, but a necessity to avoid creating dependencies between
locks.
v2: Notable rebase after "Prepare WA BB setup for more users" patch
v3: Added error propagation
Signed-off-by: Tomasz Lis <tomasz.lis@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Michal Winiarski <michal.winiarski@intel.com>
Reviewed-by: Michal Winiarski <michal.winiarski@intel.com>
Link: https://lore.kernel.org/r/20250802031045.1127138-8-tomasz.lis@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
All contexts require an update of state data, as the data includes
GGTT references to memirq-related buffers.
Default contexts need these references updated as well, because they
are not refreshed when a new context is created from them.
The way we write to vram requires scratch buffer to be used
before the whole block is memcopied. Since using kalloc() within
specific recovery functions would lead to unintended relations
between locks, we are allocating the buffer earlier, before
any locks are taken. The same buffer will be used for other steps
of the recovery.
v2: Update addresses by xe_lrc_write_ctx_reg() rather than
set_memory_based_intr()
v3: Renamed parameter, reordered parameters in some functs
v4: Check if have MEMIRQ, move `xe_gt*` funct to proper file
v5: Revert back to requiring scratch buffer, but allocate it
earlier this time
Signed-off-by: Tomasz Lis <tomasz.lis@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Michal Winiarski <michal.winiarski@intel.com>
Acked-by: Satyanarayana K V P <satyanarayana.k.v.p@intel.com>
Reviewed-by: Michal Winiarski <michal.winiarski@intel.com>
Link: https://lore.kernel.org/r/20250802031045.1127138-6-tomasz.lis@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
All contexts require an update due to GGTT range shift, as that
affects their HWSP.
The HW status page of a context contains GGTT references, which
need to be shifted to a new range (or re-computed using the
previously updated vma nodes). The references include ring start
address and indirect state address.
v2: move some functions to better matched files
v3: Add missing kerneldocs
v4: Style fix
Signed-off-by: Tomasz Lis <tomasz.lis@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Michal Winiarski <michal.winiarski@intel.com>
Acked-by: Satyanarayana K V P <satyanarayana.k.v.p@intel.com>
Reviewed-by: Michal Winiarski <michal.winiarski@intel.com>
Link: https://lore.kernel.org/r/20250802031045.1127138-5-tomasz.lis@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
Add Wa_18022495364 as a context workaround batch buffer workaround.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20250711160153.49833-9-tvrtko.ursulin@igalia.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Add XeLP workaround 16010904313.
The description calls for it to be emitted as the indirect context buffer
workaround for render and compute, and from the workaround batch buffer
for the other engines. Therefore we plug into the previously added
respective top level emission functions.
The actual command streamer programming sequence differs from what is
described in the PRM, in that it assumes the listed LRCA offset was
supposed to actually refer to the location of the CTX_TIMESTAMP register
instead of LRCA + 0x180c (which is in GPR space). Latter appears to make
more sense under the assumption that multiple writes are helping with
restoring the CTX_TIMESTAMP register content from the saved context state.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20250711160153.49833-8-tvrtko.ursulin@igalia.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Add a table to document the LRC's BO layout to make it easier to
visualize how each region stacks on top of each other.
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Link: https://lore.kernel.org/r/20250710-lrc-refactors-v2-4-a5e2ca03f6bd@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
There isn't anything to set for CTX_TIMESTAMP handling in the empty
LRC: that is set on every LRC init since it should always start from 0
rather than the value saved in the image after first submission.
The FIXME about perma-pinning also doesn't make much sense as we will
always going to pin the lrc and the GGTT mapping has nothing to do with
VM bind.
Nuke these leftover comments.
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20250710-lrc-refactors-v2-5-a5e2ca03f6bd@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
The only case in which new lrc data is created from scratch is when it's
called prior to recording the default lrc. There's no need to check for
NULL init_data since in that case the function already failed: just move
the allocation where it's needed.
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20250710-lrc-refactors-v2-1-a5e2ca03f6bd@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Update the register definitions in xe_lrc_layout.h to align with the
official hardware specification (Bspec) terminology. Specifically:
- rename PVC_CTX_ACC_CTR_THOLD to CTX_ACC_CTR_THOLD
- rename PVC_CTX_ASID to CTX_ASID
Signed-off-by: Xin Wang <x.wang@intel.com>
Reviewed-by: Stuart Summers <stuart.summers@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://lore.kernel.org/r/20250711060924.7373-1-x.wang@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Some upcoming workarounds need to be emitted from the indirect workaround
context so lets add some plumbing where they will be able to easily slot
in.
No functional changes for now since everything is still deactivated.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Bspec: 45954
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://lore.kernel.org/r/20250711160153.49833-7-tvrtko.ursulin@igalia.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Indirect context setup will need more than one.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://lore.kernel.org/r/20250711160153.49833-6-tvrtko.ursulin@igalia.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
