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2021-09-24drm/bridge: Document the probe issue with MIPI-DSI bridgesMaxime Ripard1-0/+6
Interactions between bridges, panels, MIPI-DSI host and the component framework are not trivial and can lead to probing issues when implementing a display driver. Let's document the various cases we need too consider, and the solution to support all the cases. Signed-off-by: Maxime Ripard <[email protected]> Reviewed-by: Andrzej Hajda <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-09-24drm/bridge: Add documentation sectionsMaxime Ripard1-0/+6
The bridge documentation overview is quite packed already, and we'll add some more documentation that isn't part of an overview at all. Let's add some sections to the documentation to separate each bits. Reviewed-by: Andrzej Hajda <[email protected]> Reviewed-by: Sam Ravnborg <[email protected]> Signed-off-by: Maxime Ripard <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-09-15Merge drm/drm-next into drm-intel-nextRodrigo Vivi2-110/+1
Catch-up on 5.15-rc1 and sync with drm-intel-gt-next to prepare the PXP topic branch. Signed-off-by: Rodrigo Vivi <[email protected]>
2021-09-15Merge drm/drm-next into drm-intel-gt-nextJoonas Lahtinen4-15/+82
Close the divergence which has caused patches not to apply and have a solid baseline for the PXP patches that Rodrigo will send a topic branch PR for. Signed-off-by: Joonas Lahtinen <[email protected]>
2021-09-14Merge drm/drm-next into drm-misc-nextMaxime Ripard5-109/+289
Kickstart new drm-misc-next cycle. Signed-off-by: Maxime Ripard <[email protected]>
2021-09-13drm/i915/guc: Add GuC kernel docMatthew Brost1-0/+2
Add GuC kernel doc for all structures added thus far for GuC submission and update the main GuC submission section with the new interface details. v2: - Drop guc_active.lock DOC v3: - Fixup a few kernel doc comments (Daniele) v4 (Daniele): - Implement doc suggestions from John - Add kerneldoc for all members of the GuC structure and pull the file in i915.rst v5 (Daniele): - Implement new doc suggestions from John Signed-off-by: Matthew Brost <[email protected]> Signed-off-by: Daniele Ceraolo Spurio <[email protected]> Cc: John Harrison <[email protected]> Reviewed-by: John Harrison <[email protected]> Signed-off-by: John Harrison <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-09-10Merge tag 'drm-next-2021-09-10' of git://anongit.freedesktop.org/drm/drmLinus Torvalds1-1/+1
Pull drm fixes from Dave Airlie: "Just an initial bunch of fixes for the merge window, amdgpu is most of them with a few ttm fixes and an fbdev avoid multiply overflow fix. core: - Make some dma-buf config options depend on DMA_SHARED_BUFFER - Handle multiplication overflow of fbdev xres/yres in the core ttm: - Fix ttm_bo_move_memcpy() when ttm_resource is subclassed - Fix ttm deadlock if target BO isn't idle - ttm build fix - ttm docs fix dma-buf: - config option fixes fbdev: - limit resolutions to avoid int overflow i915: - stddef change. amdgpu: - Misc cleanups, typo fixes - EEPROM fix - Add some new PCI IDs - Scatter/Gather display support for Yellow Carp - PCIe DPM fix for RKL platforms - RAS fix amdkfd: - SVM fix vc4: - static function fix mgag200: - fix uninit var panfrost: - lock_region fixes" * tag 'drm-next-2021-09-10' of git://anongit.freedesktop.org/drm/drm: (36 commits) drm/ttm: Fix a deadlock if the target BO is not idle during swap fbmem: don't allow too huge resolutions dma-buf: DMABUF_SYSFS_STATS should depend on DMA_SHARED_BUFFER dma-buf: DMABUF_DEBUG should depend on DMA_SHARED_BUFFER drm/i915: use linux/stddef.h due to "isystem: trim/fixup stdarg.h and other headers" dma-buf: DMABUF_MOVE_NOTIFY should depend on DMA_SHARED_BUFFER drm/amdkfd: drop process ref count when xnack disable drm/amdgpu: enable more pm sysfs under SRIOV 1-VF mode drm/amdgpu: fix fdinfo race with process exit drm/amdgpu: Fix a deadlock if previous GEM object allocation fails drm/amdgpu: stop scheduler when calling hw_fini (v2) drm/amdgpu: Clear RAS interrupt status on aldebaran drm/amd/display: Initialize lt_settings on instantiation drm/amd/display: cleanup idents after a revert drm/amd/display: Fix memory leak reported by coverity drm/ttm: Fix ttm_bo_move_memcpy() for subclassed struct ttm_resource drm/amdgpu/swsmu: fix spelling mistake "minimun" -> "minimum" drm/amdgpu: Disable PCIE_DPM on Intel RKL Platform drm/amdgpu: show both cmd id and name when psp cmd failed drm/amd/display: setup system context for APUs ...
2021-09-09drm/ttm: enable TTM page pool kerneldocChristian König1-0/+9
Fix the remaining warnings and finally enable this. Signed-off-by: Christian König <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-09-09drm/ttm: enable TTM TT object kerneldoc v2Christian König1-0/+9
Fix the remaining warnings and finally enable this. v2: add caching enum link Signed-off-by: Christian König <[email protected]> Reviewed-by: Matthew Auld <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-09-09drm/ttm: enable TTM placement kerneldocChristian König1-0/+6
Fix the last remaining warning and finally enable this. Signed-off-by: Christian König <[email protected]> Reviewed-by: Matthew Auld <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-09-09drm/ttm: enable TTM resource object kerneldoc v2Christian König1-0/+9
Fix the last two remaining warnings and finally enable this. v2: add caching enum link Signed-off-by: Christian König <[email protected]> Reviewed-by: Matthew Auld <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-09-09drm/ttm: enable TTM device object kerneldoc v2Christian König1-0/+9
Fix the remaining warnings, switch to inline structure documentation and finally enable this. v2: adjust based on suggestions from Alex Signed-off-by: Christian König <[email protected]> Reviewed-by: Matthew Auld <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-09-09drm/ttm: add kerneldoc for enum ttm_cachingChristian König1-0/+3
Briefly describe what this is all about. Signed-off-by: Christian König <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-09-09drm/ttm: add some general module kerneldocChristian König1-1/+2
For now just a brief description of what TTM is all about. Signed-off-by: Christian König <[email protected]> Reviewed-by: Matthew Auld <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-09-09drm/ttm: remove the outdated kerneldoc sectionChristian König1-49/+0
Clean up to start over with new and more accurate documentation. Signed-off-by: Christian König <[email protected]> Reviewed-by: Matthew Auld <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-09-01Merge tag 'drm-next-2021-08-31-1' of git://anongit.freedesktop.org/drm/drmLinus Torvalds7-14/+370
Pull drm updates from Dave Airlie: "Highlights: - i915 has seen a lot of refactoring and uAPI cleanups due to a change in the upstream direction going forward This has all been audited with known userspace, but there may be some pitfalls that were missed. - i915 now uses common TTM to enable discrete memory on DG1/2 GPUs - i915 enables Jasper and Elkhart Lake by default and has preliminary XeHP/DG2 support - amdgpu adds support for Cyan Skillfish - lots of implicit fencing rules documented and fixed up in drivers - msm now uses the core scheduler - the irq midlayer has been removed for non-legacy drivers - the sysfb code now works on more than x86. Otherwise the usual smattering of stuff everywhere, panels, bridges, refactorings. Detailed summary: core: - extract i915 eDP backlight into core - DP aux bus support - drm_device.irq_enabled removed - port drivers to native irq interfaces - export gem shadow plane handling for vgem - print proper driver name in framebuffer registration - driver fixes for implicit fencing rules - ARM fixed rate compression modifier added - updated fb damage handling - rmfb ioctl logging/docs - drop drm_gem_object_put_locked - define DRM_FORMAT_MAX_PLANES - add gem fb vmap/vunmap helpers - add lockdep_assert(once) helpers - mark drm irq midlayer as legacy - use offset adjusted bo mapping conversion vgaarb: - cleanups fbdev: - extend efifb handling to all arches - div by 0 fixes for multiple drivers udmabuf: - add hugepage mapping support dma-buf: - non-dynamic exporter fixups - document implicit fencing rules amdgpu: - Initial Cyan Skillfish support - switch virtual DCE over to vkms based atomic - VCN/JPEG power down fixes - NAVI PCIE link handling fixes - AMD HDMI freesync fixes - Yellow Carp + Beige Goby fixes - Clockgating/S0ix/SMU/EEPROM fixes - embed hw fence in job - rework dma-resv handling - ensure eviction to system ram amdkfd: - uapi: SVM address range query added - sysfs leak fix - GPUVM TLB optimizations - vmfault/migration counters i915: - Enable JSL and EHL by default - preliminary XeHP/DG2 support - remove all CNL support (never shipped) - move to TTM for discrete memory support - allow mixed object mmap handling - GEM uAPI spring cleaning - add I915_MMAP_OBJECT_FIXED - reinstate ADL-P mmap ioctls - drop a bunch of unused by userspace features - disable and remove GPU relocations - revert some i915 misfeatures - major refactoring of GuC for Gen11+ - execbuffer object locking separate step - reject caching/set-domain on discrete - Enable pipe DMC loading on XE-LPD and ADL-P - add PSF GV point support - Refactor and fix DDI buffer translations - Clean up FBC CFB allocation code - Finish INTEL_GEN() and friends macro conversions nouveau: - add eDP backlight support - implicit fence fix msm: - a680/7c3 support - drm/scheduler conversion panfrost: - rework GPU reset virtio: - fix fencing for planes ast: - add detect support bochs: - move to tiny GPU driver vc4: - use hotplug irqs - HDMI codec support vmwgfx: - use internal vmware device headers ingenic: - demidlayering irq rcar-du: - shutdown fixes - convert to bridge connector helpers zynqmp-dsub: - misc fixes mgag200: - convert PLL handling to atomic mediatek: - MT8133 AAL support - gem mmap object support - MT8167 support etnaviv: - NXP Layerscape LS1028A SoC support - GEM mmap cleanups tegra: - new user API exynos: - missing unlock fix - build warning fix - use refcount_t" * tag 'drm-next-2021-08-31-1' of git://anongit.freedesktop.org/drm/drm: (1318 commits) drm/amd/display: Move AllowDRAMSelfRefreshOrDRAMClockChangeInVblank to bounding box drm/amd/display: Remove duplicate dml init drm/amd/display: Update bounding box states (v2) drm/amd/display: Update number of DCN3 clock states drm/amdgpu: disable GFX CGCG in aldebaran drm/amdgpu: Clear RAS interrupt status on aldebaran drm/amdgpu: Add support for RAS XGMI err query drm/amdkfd: Account for SH/SE count when setting up cu masks. drm/amdgpu: rename amdgpu_bo_get_preferred_pin_domain drm/amdgpu: drop redundant cancel_delayed_work_sync call drm/amdgpu: add missing cleanups for more ASICs on UVD/VCE suspend drm/amdgpu: add missing cleanups for Polaris12 UVD/VCE on suspend drm/amdkfd: map SVM range with correct access permission drm/amdkfd: check access permisson to restore retry fault drm/amdgpu: Update RAS XGMI Error Query drm/amdgpu: Add driver infrastructure for MCA RAS drm/amd/display: Add Logging for HDMI color depth information drm/amd/amdgpu: consolidate PSP TA init shared buf functions drm/amd/amdgpu: add name field back to ras_common_if drm/amdgpu: Fix build with missing pm_suspend_target_state module export ...
2021-08-30drm/i915/display: Renaming DRRS functions to intel_drrs_*()José Roberto de Souza1-8/+5
We had a mix of intel_edp_drrs_*(), intel_dp_drrs_*() and intel_dp_set_drrs_state(), so properly renaming all functions to keep the same pattern. While at it, also dropping intel_dp_set_drrs_state from the documentation as it is a static function. v3: - dropping documentation style comment in static function (intel_drrs_set_state) Reviewed-by: Rodrigo Vivi <[email protected]> Cc: Jani Nikula <[email protected]> Cc: Rodrigo Vivi <[email protected]> Signed-off-by: José Roberto de Souza <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-08-30drm/i915/display: Move DRRS code its own fileJosé Roberto de Souza1-7/+7
intel_dp.c is a 5k lines monster, so moving DRRS out of it to reduce some lines from it. Reviewed-by: Rodrigo Vivi <[email protected]> Cc: Jani Nikula <[email protected]> Cc: Rodrigo Vivi <[email protected]> Signed-off-by: José Roberto de Souza <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-08-30drm/sched: improve docs around drm_sched_entityDaniel Vetter1-0/+3
I found a few too many things that are tricky and not documented, so I started typing. I found a few more things that looked broken while typing, see the varios FIXME in drm_sched_entity. Also some of the usual logics: - actually include sched_entity.c declarations, that was lost in the move here: 620e762f9a98 ("drm/scheduler: move entity handling into separate file") - Ditch the kerneldoc for internal functions, keep the comments where they're describing more than what the function name already implies. - Switch drm_sched_entity to inline docs. Acked-by: Melissa Wen <[email protected]> Reviewed-by: Boris Brezillon <[email protected]> (v1) Signed-off-by: Daniel Vetter <[email protected]> Cc: Lucas Stach <[email protected]> Cc: David Airlie <[email protected]> Cc: Daniel Vetter <[email protected]> Cc: Maarten Lankhorst <[email protected]> Cc: Maxime Ripard <[email protected]> Cc: Thomas Zimmermann <[email protected]> Cc: "Christian König" <[email protected]> Cc: Boris Brezillon <[email protected]> Cc: Steven Price <[email protected]> Cc: Emma Anholt <[email protected]> Cc: Lee Jones <[email protected]> Cc: Andrey Grodzovsky <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-08-16drm/ttm: ttm_bo_device is now ttm_deviceJason Ekstrand1-1/+1
These names were changed in commit 8af8a109b34fa88b8b91f25d11485b37d37549c3 Author: Christian König <[email protected]> Date: Thu Oct 1 14:51:40 2020 +0200 drm/ttm: device naming cleanup But he missed a couple of them. Signed-off-by: Jason Ekstrand <[email protected]> Cc: Christian König <[email protected]> Fixes: 8af8a109b34f ("drm/ttm: device naming cleanup") Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] Reviewed-by: Christian König <[email protected]> Signed-off-by: Christian König <[email protected]>
2021-08-12drm/doc/rfc: drop lmem uapi sectionDaniel Vetter1-109/+0
We still have quite a bit more work to do with overall reworking of the ttm-based dg1 code, but the uapi stuff is now finalized with the latest pull. So remove that. This also fixes kerneldoc build warnings because we've included the same headers in two places, resulting in sphinx complaining about duplicated symbols. This regression has been created when we moved the uapi definitions to the real include/uapi/ folder in 727ecd99a4c9 ("drm/doc/rfc: drop the i915_gem_lmem.h header") v2: Fix a few references that I missed, the htmldocs build took forever. Acked-by: Jason Ekstrand <[email protected]> Acked-by: Maarten Lankhorst <[email protected]> Tested-by Stephen Rothwell <[email protected]> (v1) References: https://lore.kernel.org/dri-devel/[email protected]/ Reported-by: Stephen Rothwell <[email protected]> Cc: Stephen Rothwell <[email protected]> Fixes: 727ecd99a4c9 ("drm/doc/rfc: drop the i915_gem_lmem.h header") Cc: Matthew Auld <[email protected]> Signed-off-by: Daniel Vetter <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] (cherry picked from commit dae2d28832968751f7731336b560a4a84a197b76) Signed-off-by: Rodrigo Vivi <[email protected]>
2021-08-12Merge tag 'drm-intel-gt-next-2021-08-06-1' of ↵Dave Airlie4-0/+289
ssh://git.freedesktop.org/git/drm/drm-intel into drm-next UAPI Changes: - Add I915_MMAP_OFFSET_FIXED On devices with local memory `I915_MMAP_OFFSET_FIXED` is the only valid type. On devices without local memory, this caching mode is invalid. As caching mode when specifying `I915_MMAP_OFFSET_FIXED`, WC or WB will be used, depending on the object placement on creation. WB will be used when the object can only exist in system memory, WC otherwise. Userspace: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11888 - Reinstate the mmap ioctl for (already released) integrated Gen12 platforms Rationale: Otherwise media driver breaks eg. for ADL-P. Long term goal is still to sunset the IOCTL even for integrated and require using mmap_offset. - Reject caching/set_domain IOCTLs on discrete Expected to become immutable property of the BO - Disallow changing context parameters after first use on Gen12 and earlier - Require setting context parameters at creation on platforms after Gen12 Rationale (for both): Allow less dynamic changes to the context to simplify the implementation and avoid user shooting theirselves in the foot. - Drop I915_CONTEXT_PARAM_RINGSIZE Userspace PR for compute-driver has not been merged - Drop I915_CONTEXT_PARAM_NO_ZEROMAP Userspace PR for libdrm / Beignet was never landed - Drop CONTEXT_CLONE API Userspace PR for Mesa was never landed - Drop getparam support for I915_CONTEXT_PARAM_ENGINES Only existed for symmetry wrt. setparam, never used. - Disallow bonding of virtual engines Drop the prep work, no hardware has been released needing it. - (Implicit) Disable gpu relocations Media userspace was the last userspace to still use them. They have converted so performance can be regained with an update. Core Changes: - Merge topic branch 'topic/i915-ttm-2021-06-11' (from Maarten) - Merge topic branch 'topic/revid_steppings' (from Matt R) - Merge topic branch 'topic/xehp-dg2-definitions-2021-07-21' (from Matt R) - Backmerges drm-next (Rodrigo) Driver Changes: - Initial workarounds for ADL-P (Clint) - Preliminary code for XeHP/DG2 (Stuart, Umesh, Matt R, Prathap, Ram, Venkata, Akeem, Tvrtko, John, Lucas) - Fix ADL-S DMA mask size to 39 bits (Tejas) - Remove code for CNL (Lucas) - Add ADL-P GuC/HuC firmwares (John) - Update HuC to 7.9.3 for TGL/ADL-S/RKL (John) - Fix -EDEADLK handling regression (Ville) - Implement Wa_1508744258 for DG1 and Gen12 iGFX (Jose) - Extend Wa_1406941453 to ADL-S (Jose) - Drop unnecessary workarounds per stepping for SKL/BXT/ICL (Matt R) - Use fuse info to enable SFC on Gen12 (Venkata) - Unconditionally flush the pages on acquire on EHL/JSL (Matt A) - Probe existence of backing struct pages upon userptr creation (Chris, Matt A) - Add an intermediate GEM proto-context to delay real context creation (Jason) - Implement SINGLE_TIMELINE with a syncobj (Jason) - Set the watchdog timeout directly in intel_context_set_gem (Jason) - Disallow userspace from creating contexts with too many engines (Jason) - Revert "drm/i915/gem: Asynchronous cmdparser" (Jason) - Revert "drm/i915: Propagate errors on awaiting already signaled fences" (Jason) - Revert "drm/i915: Skip over MI_NOOP when parsing" (Jason) - Revert "drm/i915: Shrink the GEM kmem_caches upon idling" (Daniel) - Always let TTM handle object migration (Jason) - Correct the locking and pin pattern for dma-buf (Thomas H, Michael R, Jason) - Migrate to system at dma-buf attach time (Thomas, Michael R) - MAJOR refactoring of the GuC backend code to allow for enabling on Gen11+ (Matt B, John, Michal Wa., Fernando, Daniele, Vinay) - Update GuC firmware interface to v62.0.0 (John, Michal Wa., Matt B) - Add GuCRC feature to hand over the control of HW RC6 to the GuC on Gen12+ when GuC submission is enabled (Vinay, Sujaritha, Daniele, John, Tvrtko) - Use the correct IRQ during resume and eliminate DRM IRQ midlayer (Thomas Z) - Add pipelined page migration and clearing (Chris, Thomas H) - Use TTM for system memory on discrete (Thomas H) - Implement object migration for display vs. dma-buf (Thomas H) - Perform execbuffer object locking as a separate step (Thomas H) - Add support for explicit L3BANK steering (Matt, Daniele) - Remove duplicated call to ops->pread (Daniel) - Fix pagefault disabling in the first execbuf slowpath (Daniel) - Simplify userptr locking (Thomas H) - Improvements to the GuC CTB code (Matt B, John) - Make GT workaround upper bounds exclusive (Matt R) - Check for nomodeset in i915_init() first (Daniel) - Delete now unused gpu reloc code (Daniel) - Document RFC plans for GuC submission, DRM scheduler and new parallel submit uAPI (Matt B) - Reintroduce buddy allocator this time with TTM (Matt A) - Support forcing page size with LMEM (Matt A) - Add i915_sched_engine to abstract a submission queue between backends (Matt B) - Use accelerated move in TTM (Ram) - Fix memory leaks from TTM backend (Thomas H) - Introduce WW transaction helper (Thomas H) - Improve debug Kconfig texts a bit (Daniel) - Unify user object creation code (Jason) - Use a table for i915_init/exit (Jason) - Move slabs to module init/exit (Daniel) - Remove now unused i915_globals (Daniel) - Extract i915_module.c (Daniel) - Consistently use adl-p/adl-s in WA comments (Jose) - Finish INTEL_GEN and friends conversion (Lucas) - Correct variable/function namings (Lucas) - Code checker fixes (Wan, Matt A) - Tracepoint improvements (Matt B) - Kerneldoc improvements (Tvrtko, Jason, Matt A, Maarten) - Selftest improvements (Chris, Matt A, Tejas, Thomas H, John, Matt B, Rahul, Vinay) Signed-off-by: Dave Airlie <[email protected]> From: Joonas Lahtinen <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-08-11drm/doc/rfc: drop lmem uapi sectionDaniel Vetter1-109/+0
We still have quite a bit more work to do with overall reworking of the ttm-based dg1 code, but the uapi stuff is now finalized with the latest pull. So remove that. This also fixes kerneldoc build warnings because we've included the same headers in two places, resulting in sphinx complaining about duplicated symbols. This regression has been created when we moved the uapi definitions to the real include/uapi/ folder in 727ecd99a4c9 ("drm/doc/rfc: drop the i915_gem_lmem.h header") v2: Fix a few references that I missed, the htmldocs build took forever. Acked-by: Jason Ekstrand <[email protected]> Acked-by: Maarten Lankhorst <[email protected]> Tested-by Stephen Rothwell <[email protected]> (v1) References: https://lore.kernel.org/dri-devel/[email protected]/ Reported-by: Stephen Rothwell <[email protected]> Cc: Stephen Rothwell <[email protected]> Fixes: 727ecd99a4c9 ("drm/doc/rfc: drop the i915_gem_lmem.h header") Cc: Matthew Auld <[email protected]> Signed-off-by: Daniel Vetter <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-08-02drm: document drm_mode_get_propertySimon Ser1-0/+2
It's not obvious what the fields mean and how they should be used. The most important detail is the link to drm_property.flags, which describes how property types work. v2: document enum drm_mode_property_enum, add ref to "Modeset Base Object Abstraction" (Daniel) Signed-off-by: Simon Ser <[email protected]> Acked-by: Pekka Paalanen <[email protected]> Acked-by: Daniel Vetter <[email protected]> Cc: Leandro Ribeiro <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-07-29drm: clarify usage of drm leasesDesmond Cheong Zhi Xi1-0/+9
We make the following changes to the documentation of drm leases to make it easier to reason about their usage. In particular, we clarify the lifetime and locking rules of lease fields in drm_master: 1. Make it clear that &drm_device.mode_config.idr_mutex protects the lease idr and list structures for drm_master. The lessor field itself doesn't need to be protected as it doesn't change after it's set in drm_lease_create. 2. Add descriptions for the lifetime of lessors and leases. 3. Add an overview DOC: section in drm-uapi.rst that defines the terminology for drm leasing, and explains how leases work and why they're used. Signed-off-by: Desmond Cheong Zhi Xi <[email protected]> Reviewed-by: Daniel Vetter <[email protected]> Signed-off-by: Daniel Vetter <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-07-27Backmerge remote-tracking branch 'drm/drm-next' into drm-misc-nextMaarten Lankhorst1-0/+6
Required bump from v5.13-rc3 to v5.14-rc3, and to pick up sysfb compilation fixes. Signed-off-by: Maarten Lankhorst <[email protected]>
2021-07-27drm/plane: Move drm_plane_enable_fb_damage_clips into coreDaniel Vetter1-2/+2
We're trying to have a fairly strict split between core functionality that defines the uapi, including the docs, and the helper functions to implement it. Move drm_plane_enable_fb_damage_clips and associated kerneldoc into drm_plane from drm_damage_helper.c to fix this. Reviewed-by: José Roberto de Souza <[email protected]> Cc: Ville Syrjälä <[email protected]> Cc: Gwan-gyeong Mun <[email protected]> Cc: José Roberto de Souza <[email protected]> Cc: Hans de Goede <[email protected]> Signed-off-by: Daniel Vetter <[email protected]> Cc: Maarten Lankhorst <[email protected]> Cc: Maxime Ripard <[email protected]> Cc: Thomas Zimmermann <[email protected]> Cc: David Airlie <[email protected]> Cc: Daniel Vetter <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-07-23Documentation: gpu: Mention the requirements for new propertiesMaxime Ripard1-0/+29
New KMS properties come with a bunch of requirements to avoid each driver from running their own, inconsistent, set of properties, eventually leading to issues like property conflicts, inconsistencies between drivers and semantics, etc. Let's document what we expect. Acked-by: Dave Airlie <[email protected]> Reviewed-by: Pekka Paalanen <[email protected]> Reviewed-by: Daniel Vetter <[email protected]> Signed-off-by: Maxime Ripard <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-07-21Merge tag 'drm-misc-next-2021-07-16' of ↵Dave Airlie2-12/+39
git://anongit.freedesktop.org/drm/drm-misc into drm-next drm-misc-next for v5.15: UAPI Changes: Cross-subsystem Changes: - udmabuf: Add support for mapping hugepages - Add dma-buf stats to sysfs. - Assorted fixes to fbdev/omap2. - dma-buf: Document DMA_BUF_IOCTL_SYNC - Improve dma-buf non-dynamic exporter expectations better. - Add module parameters for dma-buf size and list limit. - Add HDMI codec support to vc4, to replace vc4's own codec. - Document dma-buf implicit fencing rules. - dma_resv_test_signaled test_all handling. Core Changes: - Extract i915's eDP backlight code into DRM helpers. - Assorted docbook updates. - Rework drm_dp_aux documentation. - Add support for the DP aux bus. - Shrink dma-fence-chain slightly. - Add alloc/free helpers for dma-fence-chain. - Assorted fixes to TTM., drm/of, bridge - drm_gem_plane_helper_prepare/cleanup_fb is now the default for gem drivers. - Small fix for scheduler completion. - Remove use of drm_device.irq_enabled. - Print the driver name to dmesg when registering framebuffer. - Export drm/gem's shadow plane handling, and use it in vkms. - Assorted small fixes. Driver Changes: - Add eDP backlight to nouveau. - Assorted fixes and cleanups to nouveau, panfrost, vmwgfx, anx7625, amdgpu, gma500, radeon, mgag200, vgem, vc4, vkms, omapdrm. - Add support for Samsung DB7430, Samsung ATNA33XC20, EDT ETMV570G2DHU, EDT ETM0350G0DH6, Innolux EJ030NA panels. - Fix some simple pannels missing bus_format and connector types. - Add mks-guest-stats instrumentation support to vmwgfx. - Merge i915-ttm topic branch. - Make s6e63m0 panel use Mipi-DBI helpers. - Add detect() supoprt for AST. - Use interrupts for hotplug on vc4. - vmwgfx is now moved to drm-misc-next, as sroland is no longer a maintainer for now. - vmwgfx now uses copies of vmware's internal device headers. - Slowly convert ti-sn65dsi83 over to atomic. - Rework amdgpu dma-resv handling. - Fix virtio fencing for planes. - Ensure amdgpu can always evict to SYSTEM. - Many drivers fixed for implicit fencing rules. - Set default prepare/cleanup fb for tiny, vram and simple helpers too. - Rework panfrost gpu reset and related serialization. - Update VKMS todo list. - Make bochs a tiny gpu driver, and use vram helper. - Use linux irq interfaces instead of drm_irq in some drivers. - Add support for Raspberry Pi Pico to GUD. Signed-off-by: Dave Airlie <[email protected]> # gpg: Signature made Fri 16 Jul 2021 21:06:04 AEST # gpg: using RSA key B97BD6A80CAC4981091AE547FE558C72A67013C3 # gpg: Good signature from "Maarten Lankhorst <[email protected]>" [expired] # gpg: aka "Maarten Lankhorst <[email protected]>" [expired] # gpg: aka "Maarten Lankhorst <[email protected]>" [expired] # gpg: Note: This key has expired! # Primary key fingerprint: B97B D6A8 0CAC 4981 091A E547 FE55 8C72 A670 13C3 From: Maarten Lankhorst <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-07-16drm/i915: Fix missing docbook chapters for i915 uapi.Maarten Lankhorst1-21/+0
I noticed when grepping for DOC: that those were defined in the header, but not actually used. Fix it by removing all chapters and the internal annotation, so the docbook generated chapters are used. This reverts the changes to driver-uapi.rst by the referenced commit 577729533cdc ("drm/i915: Document the Virtual Engine uAPI") Signed-off-by: Maarten Lankhorst <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] Fixes: 577729533cdc ("drm/i915: Document the Virtual Engine uAPI") Cc: Tvrtko Ursulin <[email protected]> Reviewed-by: Matthew Auld <[email protected]>
2021-07-13Merge drm/drm-next into drm-intel-gt-nextRodrigo Vivi1-0/+6
Catching up with 5.14-rc1 and also preparing for a needed common topic branch for the "Minor revid/stepping and workaround cleanup" Reference: https://patchwork.freedesktop.org/series/92299/ Signed-off-by: Rodrigo Vivi <[email protected]>
2021-07-08drm/i915: Add gem/i915_gem_context.h to the docsJason Ekstrand1-0/+2
In order to prevent kernel doc warnings, also fill out docs for any missing fields and fix those that forgot the "@". Signed-off-by: Jason Ekstrand <[email protected]> Reviewed-by: Daniel Vetter <[email protected]> Signed-off-by: Daniel Vetter <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-07-01drm/vkms: update the current status of todo listMelissa Wen1-12/+26
Update: - debugging issues on igt testcases - plane composition features: add primary plane improvements - suggestions of good tasks to start working on vkms Drop: - syzkaller bug report: what triggered the warning was replaced by shmem functions at https://patchwork.freedesktop.org/patch/394614/ - overlay plane: this feature was added by https://patchwork.freedesktop.org/patch/430941/ Signed-off-by: Melissa Wen <[email protected]> Reviewed-by: Rodrigo Siqueira <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-06-30drm/doc/rfc: i915 new parallel submission uAPI planMatthew Brost2-1/+180
Add entry for i915 new parallel submission uAPI plan. v2: (Daniel Vetter): - Expand logical order explaination - Add dummy header - Only allow N BBs in execbuf IOCTL - Configure parallel submission per slot not per gem context v3: (Marcin Ślusarz): - Lot's of typos / bad english fixed (Tvrtko Ursulin): - Consistent pseudo code, clean up wording in descriptions v4: (Daniel Vetter) - Drop flags - Add kernel doc - Reword a few things / fix typos (Tvrtko) - Reword a few things / fix typos v5: (Checkpatch) - Fix typos (Docs) - Fix warning Cc: Tvrtko Ursulin <[email protected]> Cc: Tony Ye <[email protected]> CC: Carl Zhang <[email protected]> Cc: Daniel Vetter <[email protected]> Cc: Jason Ekstrand <[email protected]> Signed-off-by: Matthew Brost <[email protected]> Acked-by: Daniel Vetter <[email protected]> Acked-by: Tony Ye <[email protected]> Signed-off-by: Daniel Vetter <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-06-30drm/doc/rfc: i915 GuC submission / DRM schedulerMatthew Brost2-0/+95
Add entry for i915 GuC submission / DRM scheduler integration plan. Follow up patch with details of new parallel submission uAPI to come. v2: (Daniel Vetter) - Expand explaination of why bonding isn't supported for GuC submission - CC some of the DRM scheduler maintainers - Add priority inheritance / boosting use case - Add reasoning for removing in order assumptions (Daniel Stone) - Add links to priority spec v4: (Tvrtko) - Add TODOs section (Daniel Vetter) - Pull in 1 line from following patch v5: (Checkpatch) - Fix typos Cc: Christian König <[email protected]> Cc: Luben Tuikov <[email protected]> Cc: Alex Deucher <[email protected]> Cc: Steven Price <[email protected]> Cc: Jon Bloomfield <[email protected]> Cc: Dave Airlie <[email protected]> Cc: Daniel Vetter <[email protected]> Cc: Jason Ekstrand <[email protected]> Cc: [email protected] Signed-off-by: Matthew Brost <[email protected]> Reviewed-by: Daniel Vetter <[email protected]> Acked-by: Dave Airlie <[email protected]> Signed-off-by: Daniel Vetter <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-06-21drm/i915: Document the Virtual Engine uAPITvrtko Ursulin1-0/+21
A little bit of documentation covering the topics of engine discovery, context engine maps and virtual engines. It is not very detailed but supposed to be a starting point of giving a brief high level overview of general principles and intended use cases. v2: * Have the text in uapi header and link from there. v4: * Link from driver-uapi.rst. Signed-off-by: Tvrtko Ursulin <[email protected]> Cc: Daniel Vetter <[email protected]> Acked-by: Daniel Vetter <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-06-18drm/i915/doc: Include GuC ABI documentationMichal Wajdeczko1-0/+8
GuC ABI documentation is now ready to be included in i915.rst Signed-off-by: Michal Wajdeczko <[email protected]> Signed-off-by: Matthew Brost <[email protected]> Cc: Piotr Piórkowski <[email protected]> Reviewed-by: Matthew Brost <[email protected]> Signed-off-by: Matt Roper <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-06-18drm/i915: Move priolist to new i915_sched_engine objectMatthew Brost1-0/+5
Introduce i915_sched_engine object which is lower level data structure that i915_scheduler / generic code can operate on without touching execlist specific structures. This allows additional submission backends to be added without breaking the layering. Currently the execlists backend uses 1 of these object per each engine (physical or virtual) but future backends like the GuC will point to less instances utilizing the reference counting. This is a bit of detour to integrating the i915 with the DRM scheduler but this object will still exist when the DRM scheduler lands in the i915. It will however look a bit different. It will encapsulate the drm_gpu_scheduler object plus and common variables (to the backends) related to scheduling. Regardless this is a step in the right direction. This patch starts the aforementioned transition by moving the priolist into the i915_sched_engine object. v3: (Jason Ekstrand) Update comment next to intel_engine_cs.virtual Add kernel doc (Checkpatch) Fix double the in commit message v4: (Daniele) Update comment message. Add comment about subclass field Signed-off-by: Matthew Brost <[email protected]> Reviewed-by: Daniele Ceraolo Spurio <[email protected]> Signed-off-by: Matt Roper <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-06-18drm/amd/display: Add Freesync video documentationRodrigo Siqueira1-0/+6
Recently, we added support for an experimental feature named Freesync video; for more details on that, refer to: commit 6f59f229f8ed ("drm/amd/display: Skip modeset for front porch change") commit d10cd527f5e5 ("drm/amd/display: Add freesync video modes based on preferred modes") commit 0eb1af2e8205 ("drm/amd/display: Add module parameter for freesync video mode") Nevertheless, we did not document it in detail in our driver. This commit introduces a kernel-doc and expands the module parameter description. Cc: Aurabindo Pillai <[email protected]> Cc: Sean Paul <[email protected]> Cc: Harry Wentland <[email protected]> Signed-off-by: Rodrigo Siqueira <[email protected]> Reviewed by: Aurabindo Pillai <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2021-06-10drm/doc: document how userspace should find out CRTC indexLeandro Ribeiro1-0/+13
In this patch we add a section to document what userspace should do to find out the CRTC index. This is important as they may be many places in the documentation that need this, so it's better to just point to this section and avoid repetition. Signed-off-by: Leandro Ribeiro <[email protected]> Reviewed-by: Pekka Paalanen <[email protected]> Signed-off-by: Daniel Vetter <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-06-10Merge tag 'amd-drm-next-5.14-2021-06-09' of ↵Dave Airlie1-0/+21
https://gitlab.freedesktop.org/agd5f/linux into drm-next amd-drm-next-5.14-2021-06-09: amdgpu: - SR-IOV fixes - Smartshift updates - GPUVM TLB flush updates - 16bpc fixed point display fix for DCE11 - BACO cleanups and core refactoring - Aldebaran updates - Initial Yellow Carp support - RAS fixes - PM API cleanup - DC visual confirm updates - DC DP MST fixes - DC DML fixes - Misc code cleanups and bug fixes amdkfd: - Initial Yellow Carp support radeon: - memcpy_to/from_io fixes UAPI: - Add Yellow Carp chip family id Used internally in the kernel driver and by mesa Signed-off-by: Dave Airlie <[email protected]> From: Alex Deucher <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-06-10Merge tag 'drm-intel-next-2021-06-09' of ↵Dave Airlie1-6/+6
git://anongit.freedesktop.org/drm/drm-intel into drm-next Cross-subsystem Changes: - x86/gpu: add JasperLake to gen11 early quirks (Although the patch lacks the Ack info, it has been Acked by Borislav) Driver Changes: - General DMC improves (Anusha) - More ADL-P enabling (Vandita, Matt, Jose, Mika, Anusha, Imre, Lucas, Jani, Manasi, Ville, Stanislav) - Introduce MBUS relative dbuf offset (Ville) - PSR fixes and improvements (Gwan, Jose, Ville) - Re-enable LTTPR non-transparent LT mode for DPCD_REV < 1.4 (Ville) - Remove duplicated declarations (Shaokun, Wan) - Check HDMI sink deep color capabilities during .mode_valid (Ville) - Fix display flicker screan related to console and FBC (Chris) - Remaining conversions of GRAPHICS_VER (Lucas) - Drop invalid FIXME (Jose) - Fix bigjoiner check in dsc_disable (Vandita) Signed-off-by: Dave Airlie <[email protected]> From: Rodrigo Vivi <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/YMEy2Ew82BeL/[email protected]
2021-06-10Merge tag 'drm-misc-next-2021-06-09' of ↵Dave Airlie1-2/+2
git://anongit.freedesktop.org/drm/drm-misc into drm-next drm-misc-next for 5.14: UAPI Changes: * drm/panfrost: Export AFBC_FEATURES register to userspace Cross-subsystem Changes: * dma-buf: Fix debug printing; Rename dma_resv_*() functions + changes in callers; Cleanups Core Changes: * Add prefetching memcpy for WC * Avoid circular dependency on CONFIG_FB * Cleanups * Documentation fixes throughout DRM * ttm: Make struct ttm_resource the base of all managers + changes in all users of TTM; Add a generic memcpy for page-based iomem; Remove use of VM_MIXEDMAP; Cleanups Driver Changes: * drm/bridge: Add TI SN65DSI83 and SN65DSI84 + DT bindings * drm/hyperv: Add DRM driver for HyperV graphics output * drm/msm: Fix module dependencies * drm/panel: KD53T133: Support rotation * drm/pl111: Fix module dependencies * drm/qxl: Fixes * drm/stm: Cleanups * drm/sun4i: Be explicit about format modifiers * drm/vc4: Use struct gpio_desc; Cleanups * drm/vgem: Cleanups * drm/vmwgfx: Use ttm_bo_move_null() if there's nothing to copy * fbdev/mach64: Cleanups * fbdev/mb862xx: Use DEVICE_ATTR_RO Signed-off-by: Dave Airlie <[email protected]> From: Thomas Zimmermann <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/YMBw3DF2b9udByfT@linux-uq9g
2021-06-07drm: Add a prefetching memcpy_from_wcThomas Hellström1-2/+2
Reading out of write-combining mapped memory is typically very slow since the CPU doesn't prefetch. However some archs have special instructions to do this. So add a best-effort memcpy_from_wc taking dma-buf-map pointer arguments that attempts to use a fast prefetching memcpy and otherwise falls back to ordinary memcopies, taking the iomem tagging into account. The code is largely copied from i915_memcpy_from_wc. Cc: Daniel Vetter <[email protected]> Cc: Christian König <[email protected]> Suggested-by: Daniel Vetter <[email protected]> Signed-off-by: Thomas Hellström <[email protected]> Acked-by: Christian König <[email protected]> Acked-by: Daniel Vetter <[email protected]> Link: https://lore.kernel.org/r/[email protected] Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-06-04drm/amdgpu: attr to control SS2.0 bias level (v2)Sathishkumar S1-0/+6
add sysfs attr to read/write smartshift bias level. document smartshift_bias sysfs attr. V2: add attr to amdgpu_device_attrs and use attr_update (Lijo) Signed-off-by: Sathishkumar S <[email protected]> Reviewed-by: Lijo Lazar <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2021-06-04drm/amd/pm: sysfs attrs to read ss powershare (v6)Sathishkumar S1-0/+15
add sysfs attrs to read smartshift APU and DGPU power share. document the sysfs device attributes. V2: change variable/macro name for stapm power limit (Lijo) V3: files to be exposed as sysfs device attributes (Alex) V4: check ret value of sysfs create and remove only if created. V5: add ss attrs in amdgpu_device_attrs and use attr_update (Lijo) V6: all checks for ss support to be in if else if statements. (Lijo) Signed-off-by: Sathishkumar S <[email protected]> Reviewed-by: Lijo Lazar <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2021-06-02Merge tag 'drm-intel-gt-next-2021-05-28' of ↵Dave Airlie4-0/+144
git://anongit.freedesktop.org/drm/drm-intel into drm-next UAPI Changes: - Add reworked uAPI for DG1 behind CONFIG_BROKEN (Matt A, Abdiel) Driver Changes: - Fix for Gitlab issues #3293 and #3450: Avoid kernel crash on older L-shape memory machines - Add Wa_14010733141 (VDBox SFC reset) for Gen11+ (Aditya) - Fix crash in auto_retire active retire callback due to misalignment (Stephane) - Fix overlay active retire callback alignment (Tvrtko) - Eliminate need to align active retire callbacks (Matt A, Ville, Daniel) - Program FF_MODE2 tuning value for all Gen12 platforms (Caz) - Add Wa_14011060649 for TGL,RKL,DG1 and ADLS (Swathi) - Create stolen memory region from local memory on DG1 (CQ) - Place PD in LMEM on dGFX (Matt A) - Use WC when default state object is allocated in LMEM (Venkata) - Determine the coherent map type based on object location (Venkata) - Use lmem physical addresses for fb_mmap() on discrete (Mohammed) - Bypass aperture on fbdev when LMEM is available (Anusha) - Return error value when displayable BO not in LMEM for dGFX (Mohammed) - Do release kernel context if breadcrumb measure fails (Janusz) - Hide modparams for compiled-out features (Tvrtko) - Apply Wa_22010271021 for all Gen11 platforms (Caz) - Fix unlikely ref count race in arming the watchdog timer (Tvrtko) - Check actual RC6 enable status in PMU (Tvrtko) - Fix a double free in gen8_preallocate_top_level_pdp (Lv) - Use trylock in shrinker for GGTT on BSW VT-d and BXT (Maarten) - Remove erroneous i915_is_ggtt check for I915_GEM_OBJECT_UNBIND_VM_TRYLOCK (Maarten) - Convert uAPI headers to real kerneldoc (Matt A) - Clean up kerneldoc warnings headers (Matt A, Maarten) - Fail driver if LMEM training failed (Matt R) - Avoid div-by-zero on Gen2 (Ville) - Read C0DRB3/C1DRB3 as 16 bits again and add _BW suffix (Ville) - Remove reference to struct drm_device.pdev (Thomas) - Increase separation between GuC and execlists code (Chris, Matt B) - Use might_alloc() (Bernard) - Split DGFX_FEATURES from GEN12_FEATURES (Lucas) - Deduplicate Wa_22010271021 programming on (Jose) - Drop duplicate WaDisable4x2SubspanOptimization:hsw (Tvrtko) - Selftest improvements (Chris, Hsin-Yi, Tvrtko) - Shuffle around init_memory_region for stolen (Matt) - Typo fixes (wengjianfeng) [airlied: fix conflict with fixes in i915_active.c] Signed-off-by: Dave Airlie <[email protected]> From: Joonas Lahtinen <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/YLCbBR22BsQ/[email protected]
2021-05-26Merge drm/drm-next into drm-intel-nextRodrigo Vivi2-0/+14
Getting in sync with -rc2 Signed-off-by: Rodrigo Vivi <[email protected]>
2021-05-19drm/i915/dmc: s/intel_csr.c/intel_dmc.c and s/intel_csr.h/intel_dmc.hAnusha Srivatsa1-6/+6
Finally, rename the header and source file from csr to dmc. v2: Add file rename in Documentation. - Place headers in orders. (Jani) Cc: Jani Nikula <[email protected]> Signed-off-by: Anusha Srivatsa <[email protected]> Reviewed-by: Lucas De Marchi <[email protected]> Signed-off-by: Lucas De Marchi <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-05-12drm/doc/rfc: drop the i915_gem_lmem.h headerMatthew Auld2-240/+3
The proper headers have now landed in include/uapi/drm/i915_drm.h, so we can drop i915_gem_lmem.h and instead just reference the real headers for pulling in the kernel doc. Suggested-by: Daniel Vetter <[email protected]> Signed-off-by: Matthew Auld <[email protected]> Reviewed-by: Daniel Vetter <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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