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2025-05-29drm/panelreplay: Panel Replay capability DPCD register definitionsJouni Högander
Add new definition for size of Panel Replay DPCD capability registers area. Rename existing definitions to group capability registers together. Signed-off-by: Jouni Högander <jouni.hogander@intel.com> Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://lore.kernel.org/r/20250526120512.1702815-2-jouni.hogander@intel.com
2025-05-28Merge tag 'drm-next-2025-05-28' of https://gitlab.freedesktop.org/drm/kernelLinus Torvalds
Pull drm updates from Dave Airlie: "As part of building up nova-core/nova-drm pieces we've brought in some rust abstractions through this tree, aux bus being the main one, with devres changes also in the driver-core tree. Along with the drm core abstractions and enough nova-core/nova-drm to use them. This is still all stub work under construction, to build the nova driver upstream. The other big NVIDIA related one is nouveau adds support for Hopper/Blackwell GPUs, this required a new GSP firmware update to 570.144, and a bunch of rework in order to support multiple fw interfaces. There is also the introduction of an asahi uapi header file as a precursor to getting the real driver in later, but to unblock userspace mesa packages while the driver is trapped behind rust enablement. Otherwise it's the usual mixture of stuff all over, amdgpu, i915/xe, and msm being the main ones, and some changes to vsprintf. new drivers: - bring in the asahi uapi header standalone - nova-drm: stub driver rust dependencies (for nova-core): - auxiliary - bus abstractions - driver registration - sample driver - devres changes from driver-core - revocable changes core: - add Apple fourcc modifiers - add virtio capset definitions - extend EXPORT_SYNC_FILE for timeline syncobjs - convert to devm_platform_ioremap_resource - refactor shmem helper page pinning - DP powerup/down link helpers - extended %p4cc in vsprintf.c to support fourcc prints - change vsprintf %p4cn to %p4chR, remove %p4cn - Add drm_file_err function - IN_FORMATS_ASYNC property - move sitronix from tiny to their own subdir rust: - add drm core infrastructure rust abstractions (device/driver, ioctl, file, gem) dma-buf: - adjust sg handling to not cache map on attach - allow setting dma-device for import - Add a helper to sort and deduplicate dma_fence arrays docs: - updated drm scheduler docs - fbdev todo update - fb rendering - actual brightness ttm: - fix delayed destroy resv object bridge: - add kunit tests - convert tc358775 to atomic - convert drivers to devm_drm_bridge_alloc - convert rk3066_hdmi to bridge driver scheduler: - add kunit tests panel: - refcount panels to improve lifetime handling - Powertip PH128800T004-ZZA01 - NLT NL13676BC25-03F, Tianma TM070JDHG34-00 - Himax HX8279/HX8279-D DDIC - Visionox G2647FB105 - Sitronix ST7571 - ZOTAC rotation quirk vkms: - allow attaching more displays i915: - xe3lpd display updates - vrr refactor - intel_display struct conversions - xe2hpd memory type identification - add link rate/count to i915_display_info - cleanup VGA plane handling - refactor HDCP GSC - fix SLPC wait boosting reference counting - add 20ms delay to engine reset - fix fence release on early probe errors xe: - SRIOV updates - BMG PCI ID update - support separate firmware for each GT - SVM fix, prelim SVM multi-device work - export fan speed - temp disable d3cold on BMG - backup VRAM in PM notifier instead of suspend/freeze - update xe_ttm_access_memory to use GPU for non-visible access - fix guc_info debugfs for VFs - use copy_from_user instead of __copy_from_user - append PCIe gen5 limitations to xe_firmware document amdgpu: - DSC cleanup - DC Scaling updates - Fused I2C-over-AUX updates - DMUB updates - Use drm_file_err in amdgpu - Enforce isolation updates - Use new dma_fence helpers - USERQ fixes - Documentation updates - SR-IOV updates - RAS updates - PSP 12 cleanups - GC 9.5 updates - SMU 13.x updates - VCN / JPEG SR-IOV updates amdkfd: - Update error messages for SDMA - Userptr updates - XNACK fixes radeon: - CIK doorbell cleanup nouveau: - add support for NVIDIA r570 GSP firmware - enable Hopper/Blackwell support nova-core: - fix task list - register definition infrastructure - move firmware into own rust module - register auxiliary device for nova-drm nova-drm: - initial driver skeleton msm: - GPU: - ACD (adaptive clock distribution) for X1-85 - drop fictional address_space_size - improve GMU HFI response time out robustness - fix crash when throttling during boot - DPU: - use single CTL path for flushing on DPU 5.x+ - improve SSPP allocation code for better sharing - Enabled SmartDMA on SM8150, SC8180X, SC8280XP, SM8550 - Added SAR2130P support - Disabled DSC support on MSM8937, MSM8917, MSM8953, SDM660 - DP: - switch to new audio helpers - better LTTPR handling - DSI: - Added support for SA8775P - Added SAR2130P support - HDMI: - Switched to use new helpers for ACR data - Fixed old standing issue of HPD not working in some cases amdxdna: - add dma-buf support - allow empty command submits renesas: - add dma-buf support - add zpos, alpha, blend support panthor: - fail properly for NO_MMAP bos - add SET_LABEL ioctl - debugfs BO dumping support imagination: - update DT bindings - support TI AM68 GPU hibmc: - improve interrupt handling and HPD support virtio: - add panic handler support rockchip: - add RK3588 support - add DP AUX bus panel support ivpu: - add heartbeat based hangcheck mediatek: - prepares support for MT8195/99 HDMIv2/DDCv2 anx7625: - improve HPD tegra: - speed up firmware loading * tag 'drm-next-2025-05-28' of https://gitlab.freedesktop.org/drm/kernel: (1627 commits) drm/nouveau/tegra: Fix error pointer vs NULL return in nvkm_device_tegra_resource_addr() drm/xe: Default auto_link_downgrade status to false drm/xe/guc: Make creation of SLPC debugfs files conditional drm/i915/display: Add check for alloc_ordered_workqueue() and alloc_workqueue() drm/i915/dp_mst: Work around Thunderbolt sink disconnect after SINK_COUNT_ESI read drm/i915/ptl: Use everywhere the correct DDI port clock select mask drm/nouveau/kms: add support for GB20x drm/dp: add option to disable zero sized address only transactions. drm/nouveau: add support for GB20x drm/nouveau/gsp: add hal for fifo.chan.doorbell_handle drm/nouveau: add support for GB10x drm/nouveau/gf100-: track chan progress with non-WFI semaphore release drm/nouveau/nv50-: separate CHANNEL_GPFIFO handling out from CHANNEL_DMA drm/nouveau: add helper functions for allocating pinned/cpu-mapped bos drm/nouveau: add support for GH100 drm/nouveau: improve handling of 64-bit BARs drm/nouveau/gv100-: switch to volta semaphore methods drm/nouveau/gsp: support deeper page tables in COPY_SERVER_RESERVED_PDES drm/nouveau/gsp: init client VMMs with NV0080_CTRL_DMA_SET_PAGE_DIRECTORY drm/nouveau/gsp: fetch level shift and PDE from BAR2 VMM ...
2025-05-28drm: Get rid of drm_sched_job.idPierre-Eric Pelloux-Prayer
Its only purpose was for trace events, but jobs can already be uniquely identified using their fence. The downside of using the fence is that it's only available after 'drm_sched_job_arm' was called which is true for all trace events that used job.id so they can safely switch to using it. Suggested-by: Tvrtko Ursulin <tursulin@igalia.com> Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Arvind Yadav <arvind.yadav@amd.com> Signed-off-by: Philipp Stanner <phasta@kernel.org> Link: https://lore.kernel.org/r/20250526125505.2360-9-pierre-eric.pelloux-prayer@amd.com
2025-05-28drm/sched: Store the drm client_id in drm_sched_fencePierre-Eric Pelloux-Prayer
This will be used in a later commit to trace the drm client_id in some of the gpu_scheduler trace events. This requires changing all the users of drm_sched_job_init to add an extra parameter. The newly added drm_client_id field in the drm_sched_fence is a bit of a duplicate of the owner one. One suggestion I received was to merge those 2 fields - this can't be done right now as amdgpu uses some special values (AMDGPU_FENCE_OWNER_*) that can't really be translated into a client id. Christian is working on getting rid of those; when it's done we should be able to squash owner/drm_client_id together. Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com> Signed-off-by: Philipp Stanner <phasta@kernel.org> Link: https://lore.kernel.org/r/20250526125505.2360-3-pierre-eric.pelloux-prayer@amd.com
2025-05-27Merge tag 'docs-6.16' of git://git.lwn.net/linuxLinus Torvalds
Pull documentation updates from Jonathan Corbet: "A moderately busy cycle for documentation this time around: - The most significant change is the replacement of the old kernel-doc script (a monstrous collection of Perl regexes that predates the Git era) with a Python reimplementation. That, too, is a horrifying collection of regexes, but in a much cleaner and more maintainable structure that integrates far better with the Sphinx build system. This change has been in linux-next for the full 6.15 cycle; the small number of problems that turned up have been addressed, seemingly to everybody's satisfaction. The Perl kernel-doc script remains in tree (as scripts/kernel-doc.pl) and can be used with a command-line option if need be. Unless some reason to keep it around materializes, it will probably go away in 6.17. Credit goes to Mauro Carvalho Chehab for doing all this work. - Some RTLA documentation updates - A handful of Chinese translations - The usual collection of typo fixes, general updates, etc" * tag 'docs-6.16' of git://git.lwn.net/linux: (85 commits) Docs: doc-guide: update sphinx.rst Sphinx version number docs: doc-guide: clarify latest theme usage Documentation/scheduler: Fix typo in sched-stats domain field description scripts: kernel-doc: prevent a KeyError when checking output docs: kerneldoc.py: simplify exception handling logic MAINTAINERS: update linux-doc entry to cover new Python scripts docs: align with scripts/syscall.tbl migration Documentation: NTB: Fix typo Documentation: ioctl-number: Update table intro docs: conf.py: drop backward support for old Sphinx versions Docs: driver-api/basics: add kobject_event interfaces Docs: relay: editing cleanups docs: fix "incase" typo in coresight/panic.rst Fix spelling error for 'parallel' docs: admin-guide: fix typos in reporting-issues.rst docs: dmaengine: add explanation for DMA_ASYNC_TX capability Documentation: leds: improve readibility of multicolor doc docs: fix typo in firmware-related section docs: Makefile: Inherit PYTHONPYCACHEPREFIX setting as env variable Documentation: ioctl-number: Update outdated submission info ...
2025-05-26drm/ttm: make ttm_bo_get internalChristian König
Prevent drivers from using this directly. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Simona Vetter <simona.vetter@ffwll.ch> Link: https://lore.kernel.org/r/20240723121750.2086-8-christian.koenig@amd.com
2025-05-26drm/ttm: revert "Export ttm_bo_get_unless_zero()"Christian König
This reverts commit 24dc64c1ba5c3ef0463d59fef6df09336754188d. Shouldn't be needed by drivers any more. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Danilo Krummrich <dakr@kernel.org> Reviewed-by: Simona Vetter <simona.vetter@ffwll.ch> Link: https://lore.kernel.org/r/20240723121750.2086-6-christian.koenig@amd.com
2025-05-26drm: Add helpers for programming hardware gamma LUTsThomas Zimmermann
Provide helpers that program hardware gamma LUTs. Tha gamma ramp is either provided by the driver or generated by the helper. The DRM driver exports the GAMMA_LUT property with a fixed number of entries per color component, such as 256 on 8-bit-wide components. The entries describe the gamma ramp of each individual component. The new helper drm_crtc_load_gamma_888() loads such gamma ramp to hardware. The hardware uses each displayed pixel's individial components as indices into the hardware gamma table. For color modes with less than 8 bits per color component, the helpers drm_crtc_load_gamma_565_from() and drm_crtc_load_gamma_555_from_888() interpolate the provided gamma ramp to reduce it to the correct number of entries; 5/6/5 for RGB565-like formats and 5/5/5 for XRGB1555-like formats. If no gamma ramp has been provided, drivers can use the new helper drm_crtc_fill_gamma_888() to load a default gamma ramp with 256 entries per color component. For color modes with less bits, the new helpers drm_crtc_fill_gamma_565() and drm_crtc_fill_gamma_555() are available. The default gamma ramp uses a gamma factor of 1. For color modes with palette, drm_crtc_load_palette_8() load an 8-bit palette into the hardware. If no palette has been specified, drm_crtc_fill_palette_8() load a system-specific default palette. This is currently only a grey-scale palette with increasing luminance, but later patches can change this. For PCs, a VGA default palette could be used. v2: - drop comment on gamma factor of 2.2 (Michel, Pekka) - fix typos in commit description (Javier) Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com> Acked-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://lore.kernel.org/r/20250520094203.30545-2-tzimmermann@suse.de
2025-05-22drm/xe/ptl: Update the PTL pci id tableMatt Atwood
Update to current bspec table. Bspec: 72574 Signed-off-by: Matt Atwood <matthew.s.atwood@intel.com> Reviewed-by: Tejas Upadhyay <tejas.upadhyay@intel.com> Reviewed-by: Clint Taylor <Clinton.A.Taylor@intel.com> Link: https://lore.kernel.org/r/20250520195749.371748-1-matthew.s.atwood@intel.com Signed-off-by: Matt Roper <matthew.d.roper@intel.com> (cherry picked from commit 49c6dc74b5968885f421f9f1b45eb4890b955870) Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
2025-05-22drm/bridge: fix build with CONFIG_OF=nLuca Ceresoli
Commit 5164553d739e ("drm/bridge: add devm_drm_put_bridge()") adds two declarations for devm_drm_put_bridge(): 1) an inline declaration in the #else branch of '#if defined(CONFIG_OF)...' 2) one outside of the same #if This results in a build failure with CONFIG_OF=n: ../drivers/gpu/drm/drm_bridge.c:1406:6: error: redefinition of ‘devm_drm_put_bridge’ The function has nothing to do with OF, thus fix by removing declaration 1. Fixes: 5164553d739e ("drm/bridge: add devm_drm_put_bridge()") Reported-by: Ville Syrjala <ville.syrjala@linux.intel.com> Closes: https://oftc.catirclogs.org/dri-devel/2025-05-21#34288266; Tested-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com> Reviewed-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com> Link: https://lore.kernel.org/r/20250522-devm_drm_put_bridge-fix-non-of-build-v1-1-a05234dea046@bootlin.com Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
2025-05-21drm/xe/ptl: Update the PTL pci id tableMatt Atwood
Update to current bspec table. Bspec: 72574 Signed-off-by: Matt Atwood <matthew.s.atwood@intel.com> Reviewed-by: Tejas Upadhyay <tejas.upadhyay@intel.com> Reviewed-by: Clint Taylor <Clinton.A.Taylor@intel.com> Link: https://lore.kernel.org/r/20250520195749.371748-1-matthew.s.atwood@intel.com Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
2025-05-21drm/bridge: add devm_drm_put_bridge()Luca Ceresoli
Bridges obtained via devm_drm_bridge_alloc(dev, ...) will be put when the requesting device (@dev) is removed. However drivers which obtained them may need to put the obtained reference explicitly. One such case is if they bind the devm removal action to a different device than the one implemented by the driver itself and which might be removed at a different time, such as bridge/panel.c. Add devm_drm_put_bridge() to manually release a devm-obtained bridge in such cases. This function is considered only a temporary workaround until the panel bridge is reworked and should be removed afterwards. Acked-by: Maxime Ripard <mripard@kernel.org> Link: https://lore.kernel.org/r/20250509-drm-bridge-convert-to-alloc-api-v3-20-b8bc1f16d7aa@bootlin.com Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
2025-05-21drm/display: bridge-connector: handle CEC adaptersDmitry Baryshkov
Implement necessary glue code to let DRM bridge drivers to implement CEC adapters support. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Maxime Ripard <mripard@kernel.org> Link: https://lore.kernel.org/r/20250517-drm-hdmi-connector-cec-v6-9-35651db6f19b@oss.qualcomm.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
2025-05-21drm/display: bridge-connector: hook in CEC notifier supportDmitry Baryshkov
Allow HDMI DRM bridges to create CEC notifier. Physical address is handled automatically by drm_atomic_helper_connector_hdmi_hotplug() being called from .detect() path. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Maxime Ripard <mripard@kernel.org> Link: https://lore.kernel.org/r/20250517-drm-hdmi-connector-cec-v6-8-35651db6f19b@oss.qualcomm.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
2025-05-21drm/display: add CEC helpers codeDmitry Baryshkov
Add generic CEC helpers to be used by HDMI drivers. Both notifier and and adapter are supported for registration. Once registered, the driver can call common set of functions to update physical address, to invalidate it or to unregister CEC data. Unlike drm_connector_cec_funcs (which provides interface common to all implementations, including, but not limited to the CEC adapter, CEC notifier, CEC pin-based adapter, etc) the struct drm_connector_hdmi_cec_adapter_ops provides callbacks specific to the CEC adapter implementations. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Maxime Ripard <mripard@kernel.org> Link: https://lore.kernel.org/r/20250517-drm-hdmi-connector-cec-v6-5-35651db6f19b@oss.qualcomm.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
2025-05-21drm/connector: add CEC-related fieldsDmitry Baryshkov
As a preparation to adding HDMI CEC helper code, add CEC-related fields to the struct drm_connector. The callbacks abstract CEC infrastructure in order to support CEC adapters and CEC notifiers in a universal way. CEC data is a void pointer as it allows us to make CEC data helper-specific. For example, currently it will be either cec_notifier or cec_adapter + drm_connector_hdmi_cec_funcs. Later cec-pin might store platform callbacks here. DP CEC might need to store AUX pointer, etc. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Maxime Ripard <mripard@kernel.org> Link: https://lore.kernel.org/r/20250517-drm-hdmi-connector-cec-v6-3-35651db6f19b@oss.qualcomm.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
2025-05-21drm/bridge: allow limiting I2S formatsDmitry Baryshkov
By default HDMI codec registers all formats supported on the I2S bus. Allow bridges (and connectors) to limit the list of the PCM formats supported by the HDMI codec. Reviewed-by: Maxime Ripard <mripard@kernel.org> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20250517-drm-hdmi-connector-cec-v6-2-35651db6f19b@oss.qualcomm.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
2025-05-21drm/bridge: move private data to the end of the structDmitry Baryshkov
WHen adding HDMI fields I didn't notice the private: declaration for HPD fields. Move private fields to the end of the struct drm_bride to have clear distinction between private and public fields. Reviewed-by: Maxime Ripard <mripard@kernel.org> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20250517-drm-hdmi-connector-cec-v6-1-35651db6f19b@oss.qualcomm.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
2025-05-21Merge tag 'nova-next-v6.16-2025-05-20' of ↵Dave Airlie
https://gitlab.freedesktop.org/drm/nova into drm-next Nova changes for v6.16 auxiliary: - bus abstractions - implementation for driver registration - add sample driver drm: - implement __drm_dev_alloc() - DRM core infrastructure Rust abstractions - device, driver and registration - DRM IOCTL - DRM File - GEM object - IntoGEMObject rework - generically implement AlwaysRefCounted through IntoGEMObject - refactor unsound from_gem_obj() into as_ref() - refactor into_gem_obj() into as_raw() driver-core: - merge topic/device-context-2025-04-17 from driver-core tree - implement Devres::access() - fix: doctest build under `!CONFIG_PCI` - accessor for Device::parent() - fix: conditionally expect `dead_code` for `parent()` - impl TryFrom<&Device> bus devices (PCI, platform) nova-core: - remove completed Vec extentions from task list - register auxiliary device for nova-drm - derive useful traits for Chipset - add missing GA100 chipset - take &Device<Bound> in Gpu::new() - infrastructure to generate register definitions - fix register layout of NV_PMC_BOOT_0 - move Firmware into own (Rust) module - fix: select AUXILIARY_BUS nova-drm: - initial driver skeleton (depends on drm and auxiliary bus abstractions) - fix: select AUXILIARY_BUS Rust (dependencies): - implement Opaque::zeroed() - implement Revocable::try_access_with() - implement Revocable::access() From: Danilo Krummrich <dakr@kernel.org> Link: https://lore.kernel.org/r/aCxAf3RqQAXLDhAj@cassiopeiae
2025-05-19drm/dp: add option to disable zero sized address only transactions.Dave Airlie
Some older NVIDIA and some newer NVIDIA hardware/firmware seems to have issues with address only transactions (firmware rejects them). Add an option to the core drm dp to avoid address only transactions, This just puts the MOT flag removal on the last message of the transfer and avoids the start of transfer transaction. This with the flag set in nouveau, allows eDP probing on GB203 device. Signed-off-by: Dave Airlie <airlied@redhat.com> Reviewed-by: Ben Skeggs <bskeggs@nvidia.com> Reviewed-by: Timur Tabi <ttabi@nvidia.com> Tested-by: Timur Tabi <ttabi@nvidia.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2025-05-15Merge tag 'drm-misc-next-2025-05-12' of ↵Dave Airlie
https://gitlab.freedesktop.org/drm/misc/kernel into drm-next drm-misc-next for v6.16-rc1: Once more, with async flips. UAPI Changes: - Add IN_FORMATS_ASYNC property, use in i915. Cross-subsystem Changes: - Remove some unused debug code in dma-buf. Core Changes: Driver Changes: - Add Novatek NT37801 panel. - Allow submitting empty commands in amdxdna. - Convert cirrus to use managed request_all_regions. - Move Sitronix from tiny to their own place. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://lore.kernel.org/r/23ded62c-6a62-4195-9c08-4dfb81eafd72@linux.intel.com
2025-05-14drm/gpusvm: Add timeslicing support to GPU SVMMatthew Brost
Add timeslicing support to GPU SVM which will guarantee the GPU a minimum execution time on piece of physical memory before migration back to CPU. Intended to implement strict migration policies which require memory to be in a certain placement for correct execution. Required for shared CPU and GPU atomics on certain devices. Fixes: 99624bdff867 ("drm/gpusvm: Add support for GPU Shared Virtual Memory") Cc: stable@vger.kernel.org Signed-off-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com> Link: https://lore.kernel.org/r/20250512135500.1405019-4-matthew.brost@intel.com (cherry picked from commit 8dc1812b5b3a42311d28eb385eed88e2053ad3cb) Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
2025-05-14drm/xe: Strict migration policy for atomic SVM faultsMatthew Brost
Mixing GPU and CPU atomics does not work unless a strict migration policy of GPU atomics must be device memory. Enforce a policy of must be in VRAM with a retry loop of 3 attempts, if retry loop fails abort fault. Removing always_migrate_to_vram modparam as we now have real migration policy. v2: - Only retry migration on atomics - Drop alway migrate modparam v3: - Only set vram_only on DGFX (Himal) - Bail on get_pages failure if vram_only and retry count exceeded (Himal) - s/vram_only/devmem_only - Update xe_svm_range_is_valid to accept devmem_only argument v4: - Fix logic bug get_pages failure v5: - Fix commit message (Himal) - Mention removing always_migrate_to_vram in commit message (Lucas) - Fix xe_svm_range_is_valid to check for devmem pages - Bail on devmem_only && !migrate_devmem (Thomas) v6: - Add READ_ONCE barriers for opportunistic checks (Thomas) - Pair READ_ONCE with WRITE_ONCE (Thomas) v7: - Adjust comments (Thomas) Fixes: 2f118c949160 ("drm/xe: Add SVM VRAM migration") Cc: stable@vger.kernel.org Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com> Signed-off-by: Matthew Brost <matthew.brost@intel.com> Acked-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com> Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Link: https://lore.kernel.org/r/20250512135500.1405019-3-matthew.brost@intel.com (cherry picked from commit a9ac0fa455b050d03e3032501368048fb284d318) Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
2025-05-14drm/gpusvm: Introduce devmem_only flag for allocationHimal Prasad Ghimiray
This commit adds a new flag, devmem_only, to the drm_gpusvm structure. The purpose of this flag is to ensure that the get_pages function allocates memory exclusively from the device's memory. If the allocation from device memory fails, the function will return an -EFAULT error. Required for shared CPU and GPU atomics on certain devices. v3: - s/vram_only/devmem_only/ Fixes: 99624bdff867 ("drm/gpusvm: Add support for GPU Shared Virtual Memory") Cc: stable@vger.kernel.org Signed-off-by: Matthew Brost <matthew.brost@intel.com> Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> Link: https://lore.kernel.org/r/20250512135500.1405019-2-matthew.brost@intel.com (cherry picked from commit 8a9b978ebd47df9e0694c34748c2d6fa0c31eb4d) Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
2025-05-14drm/gpusvm: Introduce drm_gpusvm_find_vma_start() functionHimal Prasad Ghimiray
The drm_gpusvm_find_vma_start() function is used to determine the starting address of a CPU VMA within a specified user range. If the range does not contain any VMA, the function returns ULONG_MAX. v2 - Rename function as drm_gpusvm_find_vma_start() (Matthew Brost) - mmget/mmput v3 - s/mmget/mmget_not_zero/ Reviewed-by: Matthew Brost <matthew.brost@intel.com> Link: https://lore.kernel.org/r/20250513040228.470682-13-himal.prasad.ghimiray@intel.com Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
2025-05-13drm/sched: Fix outdated comments referencing threadPhilipp Stanner
The GPU scheduler's comments refer to a "thread" at various places. Those are leftovers from commit a6149f039369 ("drm/sched: Convert drm scheduler to use a work queue rather than kthread"). Replace all references to kthreads. Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com> Signed-off-by: Philipp Stanner <phasta@kernel.org> Link: https://lore.kernel.org/r/20250314101023.111248-2-phasta@kernel.org
2025-05-12drm/gpusvm: Add timeslicing support to GPU SVMMatthew Brost
Add timeslicing support to GPU SVM which will guarantee the GPU a minimum execution time on piece of physical memory before migration back to CPU. Intended to implement strict migration policies which require memory to be in a certain placement for correct execution. Required for shared CPU and GPU atomics on certain devices. Fixes: 99624bdff867 ("drm/gpusvm: Add support for GPU Shared Virtual Memory") Cc: stable@vger.kernel.org Signed-off-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com> Link: https://lore.kernel.org/r/20250512135500.1405019-4-matthew.brost@intel.com
2025-05-12drm/xe: Strict migration policy for atomic SVM faultsMatthew Brost
Mixing GPU and CPU atomics does not work unless a strict migration policy of GPU atomics must be device memory. Enforce a policy of must be in VRAM with a retry loop of 3 attempts, if retry loop fails abort fault. Removing always_migrate_to_vram modparam as we now have real migration policy. v2: - Only retry migration on atomics - Drop alway migrate modparam v3: - Only set vram_only on DGFX (Himal) - Bail on get_pages failure if vram_only and retry count exceeded (Himal) - s/vram_only/devmem_only - Update xe_svm_range_is_valid to accept devmem_only argument v4: - Fix logic bug get_pages failure v5: - Fix commit message (Himal) - Mention removing always_migrate_to_vram in commit message (Lucas) - Fix xe_svm_range_is_valid to check for devmem pages - Bail on devmem_only && !migrate_devmem (Thomas) v6: - Add READ_ONCE barriers for opportunistic checks (Thomas) - Pair READ_ONCE with WRITE_ONCE (Thomas) v7: - Adjust comments (Thomas) Fixes: 2f118c949160 ("drm/xe: Add SVM VRAM migration") Cc: stable@vger.kernel.org Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com> Signed-off-by: Matthew Brost <matthew.brost@intel.com> Acked-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com> Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Link: https://lore.kernel.org/r/20250512135500.1405019-3-matthew.brost@intel.com
2025-05-12drm/gpusvm: Introduce devmem_only flag for allocationHimal Prasad Ghimiray
This commit adds a new flag, devmem_only, to the drm_gpusvm structure. The purpose of this flag is to ensure that the get_pages function allocates memory exclusively from the device's memory. If the allocation from device memory fails, the function will return an -EFAULT error. Required for shared CPU and GPU atomics on certain devices. v3: - s/vram_only/devmem_only/ Fixes: 99624bdff867 ("drm/gpusvm: Add support for GPU Shared Virtual Memory") Cc: stable@vger.kernel.org Signed-off-by: Matthew Brost <matthew.brost@intel.com> Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> Link: https://lore.kernel.org/r/20250512135500.1405019-2-matthew.brost@intel.com
2025-05-12Merge tag 'amd-drm-next-6.16-2025-05-09' of ↵Dave Airlie
https://gitlab.freedesktop.org/agd5f/linux into drm-next amd-drm-next-6.16-2025-05-09: amdgpu: - IPS fixes - DSC cleanup - DC Scaling updates - DC FP fixes - Fused I2C-over-AUX updates - SubVP fixes - Freesync fix - DMUB AUX fixes - VCN fix - Hibernation fixes - HDP fixes - DCN 2.1 fixes - DPIA fixes - DMUB updates - Use drm_file_err in amdgpu - Enforce isolation updates - Use new dma_fence helpers - USERQ fixes - Documentation updates - Misc code cleanups - SR-IOV updates - RAS updates - PSP 12 cleanups amdkfd: - Update error messages for SDMA - Userptr updates drm: - Add drm_file_err function dma-buf: - Add a helper to sort and deduplicate dma_fence arrays From: Alex Deucher <alexander.deucher@amd.com> Link: https://lore.kernel.org/r/20250509230951.3871914-1-alexander.deucher@amd.com Signed-off-by: Dave Airlie <airlied@redhat.com>
2025-05-10Merge tag 'drm-intel-next-2025-05-08' of ↵Dave Airlie
https://gitlab.freedesktop.org/drm/i915/kernel into drm-next Non-display related: - Fix undefined reference to `intel_pxp_gsccs_is_ready_for_sessions' Display related: - More work towards display separation (Jani) - Stop writing VRR_CTL_IGN_MAX_SHIFT for MTL onwards (Jouni) - DSC checks for 3 engines (Ankit) - Add link rate and lane count to i915_display_info (Khaled) - PSR fixes and workaround for underrun on idle (Jouni) - LOBF enablement and ALMP fixes (Animesh) - Clean up VGA plane handling (Ville) - Use an intel_connector pointer everywhere (Imre) - Fix warning for coffeelake on SunrisePoint PCH (Jiajia) - Rework/Correction on minimum hblank calculation (Arun) - Dmesg clean up (Jani) - Add a couple of simple display workarounds (Ankit, Vinod) - Refactor HDCP GSC (Jani) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://lore.kernel.org/r/aByyL3bEufPu79OM@intel.com
2025-05-09drm/plane: Add new plane property IN_FORMATS_ASYNCArun R Murthy
There exists a property IN_FORMATS which exposes the plane supported modifiers/formats to the user. In some platforms when asynchronous flip are used all of modifiers/formats mentioned in IN_FORMATS are not supported. This patch adds a new plane property IN_FORMATS_ASYNC to expose the async flip supported modifiers/formats so that user can use this information ahead and do flip with unsupported formats/modifiers. This will save flip failures. Add a new function pointer similar to format_mod_supported specifically for asynchronous flip. v2: Remove async variable from drm_plane (Ville) v3: Add new function pointer for async (Ville) v5: Typo corrected in commit message & some correction in the kernel documentation. (Chaitanya) v7: Place IN_FORMATS_ASYNC next to IN_FORMATS (Ville) v8: replace uint32_t with u32 and uint64_t with u64 (Chaitanya) Signed-off-by: Arun R Murthy <arun.r.murthy@intel.com> Acked-by: Xaver Hugl <xaver.hugl@kde.org> Acked-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Tested-by: Naveen Kumar <naveen1.kumar@intel.com> Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com> Link: https://lore.kernel.org/r/20250407-asyn-v13-1-b93ef83076c5@intel.com
2025-05-09Merge tag 'drm-misc-fixes-2025-05-08' of ↵Dave Airlie
https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes Short summary of fixes pull: drm: - Fix overflow when generating wedged event ivpu: - Increate timeouts - Fix deadlock in cmdq ioctl - Unlock mutices in correct order panel: - simple: Fix timings for AUO G101EVN010 ttm: - Fix documentation - Remove struct ttm_backup v3d: - Avoid memory leak in job handling Signed-off-by: Dave Airlie <airlied@redhat.com> From: Thomas Zimmermann <tzimmermann@suse.de> Link: https://lore.kernel.org/r/20250508104939.GA76697@2a02-2454-fd5e-fd00-c110-cbf2-6528-c5be.dyn6.pyur.net
2025-05-06drm/ttm: Remove the struct ttm_backup abstractionThomas Hellström
The abstraction was previously added to support separate ttm_backup implementations. However with the current implementation casting from a struct file to a struct ttm_backup, we run into trouble since struct file may have randomized the layout and gcc complains. Remove the struct ttm_backup abstraction Cc: dri-devel@lists.freedesktop.org Cc: Matthew Brost <matthew.brost@intel.com> Cc: Dave Airlie <airlied@redhat.com> Cc: Christian König <christian.koenig@amd.com> Cc: Matthew Auld <matthew.auld@intel.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Reported-by: Kees Cook <kees@kernel.org> Closes: https://lore.kernel.org/dri-devel/9c8dbbafdaf9f3f089da2cde5a772d69579b3795.camel@linux.intel.com/T/#mb153ab9216cb813b92bdeb36f391ad4808c2ba29 Suggested-by: Christian König <christian.koenig@amd.com> Fixes: 70d645deac98 ("drm/ttm: Add helpers for shrinking") Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Reviewed-by: Christian König <christian.koenig@amd.com> Link: https://lore.kernel.org/r/20250502130014.3156-1-thomas.hellstrom@linux.intel.com
2025-05-06drm/ttm: Fix ttm_backup kerneldocThomas Hellström
The docs were not properly updated from an earlier version of the code. Fixes: e7b5d23e5d47 ("drm/ttm: Provide a shmem backup implementation") Cc: Christian König <christian.koenig@amd.com> Cc: Matthew Brost <matthew.brost@intel.com> Cc: Matthew Auld <matthew.auld@intel.com> Cc: dri-devel@lists.freedesktop.org Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> Link: https://lore.kernel.org/r/20250502130101.3185-1-thomas.hellstrom@linux.intel.com
2025-05-06BackMerge tag 'v6.15-rc5' into drm-nextDave Airlie
Linux 6.15-rc5, requested by tzimmerman for fixes required in drm-next. Signed-off-by: Dave Airlie <airlied@redhat.com>
2025-05-05drm: add drm_file_err function to add process infoSunil Khatri
Add a drm helper function which appends the process information for the drm_file over drm_err formatted output. v5: change to macro from function (Christian Koenig) add helper functions for lock/unlock (Christian Koenig) v6: remove __maybe_unused and make function inline (Jani Nikula) remove drm_print.h v7: Use va_format and %pV to concatenate fmt and vargs (Jani Nikula) v8: Code formatting and typos (Ursulin tvrtko) Signed-off-by: Sunil Khatri <sunil.khatri@amd.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-05-02Merge tag 'drm-misc-next-2025-04-29' of ↵Dave Airlie
https://gitlab.freedesktop.org/drm/misc/kernel into drm-next drm-misc-next for v6.16-rc1: UAPI Changes: - panthor now fails in mmap_offset call for a BO created with DRM_PANTHOR_BO_NO_MMAP. - Add DRM_PANTHOR_BO_SET_LABEL ioctl and label panthor kernel BOs. Cross-subsystem Changes: - Add kmap_local_page_try_from_panic for drm/panic. - Add DT bindings for panels. - Update DT bindings for imagination. - Extend %p4cc in lib/vsprintf.c to support fourcc printing. Core Changes: - Remove the disgusting turds. - Register definition updates for DP. - DisplayID timing blocks refactor. - Remove now unused mipi_dsi_dsc_write_seq. - Convert panel drivers to not return error in prepare/enable and unprepare/disable calls. Driver Changes: - Assorted small fixes and featuers for rockchip, panthor, accel/ivpu, accel/amdxdna, hisilicon/hibmc, i915/backlight, sysfb, accel/qaic, udl, etnaviv, virtio, xlnx, panel/boe-bf060y8m-aj0, bridge/synopsis, panthor, panel/samsung/sofef00m, lontium/lt9611uxc, nouveau, panel/himax-hx8279, panfrost, st7571-i2c. - Improve hibmc interrupt handling and add HPD support. - Add NLT NL13676BC25-03F, Tianma TM070JDHG34-00, Himax HX8279/HX8279-D DDIC, Visionox G2647FB105, Sitronix ST7571 LCD Controller, panels. - Add zpos, alpha and blend to renesas. - Convert drivers to use drm_gem_is_imported, replacing gem->import_attach. - Support TI AM68 GPU in imagination. - Support panic handler in virtio. - Add support to get the panel from DP AUX bus in rockchip and add RK3588 support. - Make sofef00 only support the sofef00 panel, not another unrelated one. - Add debugfs BO dumping support to panthor, and print associated labels. - Implement heartbeat based hangcheck in ivpu. - Mass convert drivers to devm_drm_bridge_alloc api. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://lore.kernel.org/r/e2a958d9-e506-4962-8bae-0dbf2ecc000f@linux.intel.com
2025-04-30drm/display/dp: Export fn to calculate link symbol cyclesArun R Murthy
Unify the function to calculate the link symbol cycles for both dsc and non-dsc case and export the function so that it can be used in the respective platform display drivers for other calculations. v2: unify the fn for both dsc and non-dsc case (Imre) v3: rename drm_dp_link_symbol_cycles to drm_dp_link_data_symbol_cycles retain slice_eoc_cycles as is (Imre) v4: Expose only drm_dp_link_symbol_cycles() (Imre) v6: Add slice pixels which was removed unknowingly (Vinod) Signed-off-by: Arun R Murthy <arun.r.murthy@intel.com> Reviewed-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com> Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Link: https://lore.kernel.org/r/20250424-hblank-v7-1-8b002f1506cc@intel.com
2025-04-28Merge drm/drm-next into drm-xe-nextThomas Hellström
Additional backmerge to avoid excessive diffstats when sending PR. Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
2025-04-24drm/print: Add drm_coredump_printer_is_fullMatthew Brost
Add drm_coredump_printer_is_full which indicates if a drm printer's output is full. Useful to short circuit coredump printing once printer's output is full. v2: - s/drm_printer_is_full/drm_coredump_printer_is_full (Jani) v3: - Bail if not a coredump printer (Michal) Signed-off-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com> Link: https://lore.kernel.org/r/20250423171725.597955-4-matthew.brost@intel.com
2025-04-24scripts/kernel-doc.py: don't create *.pyc filesMauro Carvalho Chehab
As reported by Andy, kernel-doc.py is creating a __pycache__ directory at build time. Disable creation of __pycache__ for the libraries used by kernel-doc.py, when excecuted via the build system or via scripts/find-unused-docs.sh. Reported-by: Andy Shevchenko <andriy.shevchenko@intel.com> Closes: https://lore.kernel.org/linux-doc/Z_zYXAJcTD-c3xTe@black.fi.intel.com/ Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Tested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <158b962ed7cd104f7bbfe69f499ec1cc378864db.1745453655.git.mchehab+huawei@kernel.org>
2025-04-24drm: drv: implement __drm_dev_alloc()Danilo Krummrich
In the Rust DRM device abstraction we need to allocate a struct drm_device. Currently, there are two options, the deprecated drm_dev_alloc() (which does not support subclassing) and devm_drm_dev_alloc(). The latter supports subclassing, but also manages the initial reference through devres for the parent device. In Rust we want to conform with the subclassing pattern, but do not want to get the initial reference managed for us, since Rust has its own, idiomatic ways to properly deal with it. There are two options to achieve this. 1) Allocate the memory ourselves with a KBox. 2) Implement __drm_dev_alloc(), which supports subclassing, but is unmanged. While (1) would be possible, it would be cumbersome, since it would require exporting drm_dev_init() and drmm_add_final_kfree(). Hence, go with option (2) and implement __drm_dev_alloc(). Reviewed-by: Maxime Ripard <mripard@kernel.org> Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io> Reviewed-by: Lyude Paul <lyude@redhat.com> Link: https://lore.kernel.org/r/20250410235546.43736-2-dakr@kernel.org Signed-off-by: Danilo Krummrich <dakr@kernel.org>
2025-04-24drm/ttm/xe: drop unused force_alloc flagDave Airlie
This flag used to be used in the old memory tracking code, that code got migrated into the vmwgfx driver[1], and then got removed from the tree[2], but this piece got left behind. [1] f07069da6b4c ("drm/ttm: move memory accounting into vmwgfx v4") [2] 8aadeb8ad874 ("drm/vmwgfx: Remove the dedicated memory accounting") Cleanup the dead code. Reviewed-by: Matthew Brost <matthew.brost@intel.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2025-04-22drm/panel: make prepare/enable and disable/unprepare calls return voidDmitry Baryshkov
Now there are no users of the return value of the drm_panel_prepare(), drm_panel_unprepare(), drm_panel_enable() and drm_panel_disable() calls. Usually these calls are performed from the atomic callbacks, where it is impossible to return an error. Stop returning error codes and return void instead. Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://lore.kernel.org/r/20250401-panel-return-void-v1-7-93e1be33dc8d@oss.qualcomm.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
2025-04-22drm/mipi-dsi: Remove mipi_dsi_dcs_write_seqTejas Vipin
There are no remaining users of mipi_dsi_dcs_write_seq and it can be removed in favor of mipi_dsi_dcs_write_seq_multi. Signed-off-by: Tejas Vipin <tejasvipin76@gmail.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> Link: https://lore.kernel.org/r/20250419041210.515517-3-tejasvipin76@gmail.com Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://lore.kernel.org/r/20250419041210.515517-3-tejasvipin76@gmail.com
2025-04-21drm/bridge: analogix_dp: Add support for RK3588Damon Ding
Expand enum analogix_dp_devtype with RK3588_EDP, and add max_link_rate and max_lane_count configs for it. Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Damon Ding <damon.ding@rock-chips.com> Link: https://lore.kernel.org/r/20250310104114.2608063-11-damon.ding@rock-chips.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
2025-04-21drm/bridge: analogix_dp: Support to get &analogix_dp_device.plat_data and ↵Damon Ding
&analogix_dp_device.aux Add two new functions: one to find &analogix_dp_device.plat_data via &drm_dp_aux, and the other to get &analogix_dp_device.aux. Both of them serve for the function of getting panel from DP AUX bus, which is why they are included in a single commit. Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Damon Ding <damon.ding@rock-chips.com> Link: https://lore.kernel.org/r/20250310104114.2608063-6-damon.ding@rock-chips.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
2025-04-18Merge tag 'drm-misc-fixes-2025-04-17' of ↵Dave Airlie
https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes Short summary of fixes pull: dma-buf: - Correctly decrement refcounter on errors gem: - Fix test for imported buffers ivpu: - Fix debugging - Fixes to frequency - Support firmware API 3.28.3 - Flush jobs upon reset mgag200: - Set vblank start to correct values v3d: - Fix Indirect Dispatch Signed-off-by: Dave Airlie <airlied@redhat.com> From: Thomas Zimmermann <tzimmermann@suse.de> Link: https://lore.kernel.org/r/20250417084043.GA365738@linux.fritz.box
2025-04-17drm/gem: Internally test import_attach for imported objectsThomas Zimmermann
Test struct drm_gem_object.import_attach to detect imported objects. During object clenanup, the dma_buf field might be NULL. Testing it in an object's free callback then incorrectly does a cleanup as for native objects. Happens for calls to drm_mode_destroy_dumb_ioctl() that clears the dma_buf field in drm_gem_object_exported_dma_buf_free(). v3: - only test for import_attach (Boris) v2: - use import_attach.dmabuf instead of dma_buf (Christian) Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Fixes: b57aa47d39e9 ("drm/gem: Test for imported GEM buffers with helper") Reported-by: Andy Yan <andyshrk@163.com> Closes: https://lore.kernel.org/dri-devel/38d09d34.4354.196379aa560.Coremail.andyshrk@163.com/ Tested-by: Andy Yan <andyshrk@163.com> Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: Anusha Srivatsa <asrivats@redhat.com> Cc: Christian König <christian.koenig@amd.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Maxime Ripard <mripard@kernel.org> Cc: David Airlie <airlied@gmail.com> Cc: Simona Vetter <simona@ffwll.ch> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: "Christian König" <christian.koenig@amd.com> Cc: dri-devel@lists.freedesktop.org Cc: linux-media@vger.kernel.org Cc: linaro-mm-sig@lists.linaro.org Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Simona Vetter <simona.vetter@ffwll.ch> Link: https://lore.kernel.org/r/20250416065820.26076-1-tzimmermann@suse.de