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89910e6200
UAPI Changes: - Introduce a versioning of the i915-perf uapi (Lionel) - Add support for perf configuration queries (Lionel) Allow listing perf configurations with IOCTL in addition to sysfs. This is useful in container usecases. - Allow dynamic reconfiguration of the OA stream (Chris) Allows the OA stream to be reconfigured between batch buffers, giving greater flexibility in sampling. - Allow holding preemption on filtered perf ctx Allow CAP_ADMIN to block pre-emption of a context to query performance counters without disturbances. Mesa changes: https://gitlab.freedesktop.org/mesa/mesa/merge_requests/932 Cross-subsystem Changes: - drm-next backmerge for HDR DP changes https://lists.freedesktop.org/archives/dri-devel/2019-September/236453.html Driver Changes: - Add DC3CO sleep state for Tigerlake (Anshuman) - Tigerlake BCS engine support engine relative MMIO (Daniele) - Simplify the Tigerlake LRC register list for !RCS (Daniele) - Read SAGV block time from PCODE on Tigerlake (James) - Add 12 missing Tigerlake workarounds (Mika) - Enable DDI/Port G for Tigerlake (Khaled) - Avoid hang in tsg,vfe units by keeping l3 clocks ICL+(Mika) - Fix Bugzilla #111966: Favor last VBT child device (Ville) - Fix blue/black screen on boot due to broken gamma (Swati) - Add support of BT.2020 Colorimetry to DP MSA (Gwan-gyeong) - Attach colorspace property to DP connector (Gwan-gyeong) - Attach HDR metadata property to DP connector (Gwan-gyeong) - Base intel_memory_region support prep for local memory (Matt A) - Introduce Jasper Lake PCH (Matt R) - Support multiple GPUs in PMU (Tvrtko) - Fix MST oops due to MSA changes (Ville) - Refuse modes with hdisplay==4096 on pre-HSW DP (Ville) - Correct the PCH type in irq postinstall for JSP (Vivek) - Save Master transcoder in slave's crtc_state for Transcoder Port Sync (Manasi) - Enable TRANSCODER PORT SYNC for tiled displays across separate ports (Manasi) - HW state readout for transcoder port sync config (Manasi) - Enable master-slaves in trans port sync (Manasi) - In port sync mode disable slaves first then master (Manasi) - Fix port checks for MST support on gen >= 11 (Lucas) - Flush submission tasklet before waiting/retiring (Chris) - Flush tasklet submission before sleeping on i915_request_wait (Chris) - Object pin reference counting fixes (Chris, Matt A) - Clear semaphore immediately upon ELSP promotion (Chris) - Child device size remains unchanged through VBT 229 (Matt R) - Restore dropped 'interruptible' flag on retiring requests (Chris) - Treat a busy timeline as 'active' while waiting (Chris) - Clean up struct_mutex from perf (Chris) - Update locking around execlists->active (Chris) - Mark up expected execlist state during reset (Chris) - Remove cursor use of properties for coordinates (Maarten) - Only mark incomplete requests as -EIO on cancelling (Chris) - Add an rcu_barrier option to i915_drop_caches (Chris) - Replace perf global wakeref tracking with engine-pm (Chris) - Prevent merging requests with conflicting flags (Chris) - Allow for CS OA configs to be created lazily (Lionel) - Implement active wait for noa configurations (Lionel) - Execute OA configuration from command stream (Lionel) - Prefer using the pinned_ctx for emitting delays on config (Chris) - Port C's hotplug interrupt is associated with TC1 bits (Vivek, Matt R) - Extend program of VSC Header and DB for Colorimetry Format (Gwan-gyeong) - Fine-tune timeslicing of contexts (Chris) - Do initial mocs configuration directly (Chris) - Fix uninitialized variable on PMU error path (Tvrtko) - Don't disable interrupts independently of the locking (Sebastian) - Eliminate struct_mutext from GVT (Chris) - Move perf types to their own header (Lionel) - Drop list of perf streams (always size 1) (Lionel) - Store the perf associated engine of a stream (Lionel) - Make array hw_engine_mask static (Colin) - Prefer shortest path to RPM/perf/GT instead of dev_priv (Chris, Tvrtko) - Virtual request submission fixes (Chris) - Selftest/CI improvements (Chris) - Fix Kconfig indentation (Krzysztof) - Give engine->kernel_context distinct timeline lock classes (Chris) - Fix null pointer deref on selftest error path (Colin) - Select DPLL's via mask (Matt R) - Introduce and use intel_atomic_crtc_state_for_each_plane_state (Maarten) - Use intel_plane_state in prepare and cleanup plane_fb (Maarten) - Remove begin/finish_crtc_commit (Maarten) - Move SAGV block time to dev_priv (James) - Avoid polluting the i915_oa_config with error pointers (Chris) - Squelch display kerneldoc warnings (Chris) - Assert tasklet is locked for process_csb() (Chris) - Switch to using DP_MSA_MISC_* defines (Ville) - Stop using drm_atomic_helper_check_planes() (Ville) - Make .modeset_calc_cdclk() mandatory (Ville) - Use drm_rect_translate_to()/drm_rect_init() (Ville) - Refactor timestamping constants update (Ville) - Switch intel_legacy_cursor_update() to intel_ types (Ville) - Prepare the connector/encoder mask readout for hw vs. uapi state split (Ville) - Prepare the mode readout for hw vs. uapi state split (Ville) - Move swizzle_bit under i915_ggtt (Chris) - Improve microcontrollers documentation (Daniele) - Move the cursor rotation handling into intel_cursor_check_surface() (Ville) - Cleanups to pipe code (Ville) - Shrink eDRAM ways/sets arrays for code size (Ville) - Cleanups to HDCP2 timeout code (Ville) - Restore full symmetry in i915_driver_modeset_probe/remove (Janusz) - Simplify setting of ddi_io_power_domain (Lucas) - Add pipe id/name to pipe mismatch logs (Lucas) - Prettify MST debug message (Lucas) - Extract GT ring management to separate files (Andi) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191021180337.GA24338@jlahtine-desk.ger.corp.intel.com |
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| .clang-format | ||
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| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.