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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 <airlied@redhat.com> From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/YQ0JmYiXhGskNcrI@jlahtine-mobl.ger.corp.intel.com |
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