Tags

- Fix GitLab issue #446 causing GPU hangs: Do not restore invalid RS state
- Fix GitLab issue #846: Restore coarse power gating that was disabled
  by initial RC66 context corruption security fixes.
- Revert f6ec9483091f ("drm/i915: extend audio CDCLK>=2*BCLK constraint to more platforms")
  to avoid screen flicker
- Fix to fill in unitialized uabi_instance in virtual engine uAPI
- Add two missing W/As for ICL and EHL

i915 features for v5.6:

- Separate hardware and uapi state (Maarten)

- Expose a number of sprite and plane formats (Ville)

- DDC symlink in HDMI connector sysfs directory (Andrzej Pietrasiewicz)

- Improve obj->mm.lock nesting lock annotation (Daniel)
  (Includes lockdep changes)

- Selftest improvements across the board (Chris)

- ICL/TGL VDSC support on DSI (Jani, Vandita)

- TGL DSB fixes (Animesh, Lucas, Tvrtko)

- VBT parsing improvements and fixes (Lucas, Matt, José, Jani, Dan Carpenter)

- Fix LPSS vs. PMIC PWM backlight use on BYT/CHT (Hans)
  (Includes ACPI+MFD changes)

- Display state, crtc, plane code refactoring (Ville)

- Set opregion chpd value to indicate the driver handles hotplug (Hans de Goede)

- DSI updates and fixes, TGL pipe D support, port mapping (José, Jani, Vandita)

- Make HDCP 2.2 support cover CFL (Juston Li)

- Fix CML PCI IDs and ULT (Shawn Lee)

- CMP-V PCH fix (Imre)

- TGL: Add another TGL PCH ID (James)

- EHL/JSL: Add new PCI IDs (James)

- Rename pipe update tracepoints (Ville)

- Fix FBC on GLK+ (Ville)

- GuC fixes and improvements (Daniele, Don Hiatt, Stuart Summers, Matthew Brost)

- Display debugfs improvements (Ville)

- Hotplug/irq fixes (Matt)

- PSR fixes and improvements (José)

- DRM_I915_GEM_MMAP_OFFSET ioctl (Abdiel)

- Static analysis fixes (Colin Ian King)

- Register sysctl path globally (Venkata Sandeep Dhanalakota)

- Introduce new macros for tracing (Venkata Sandeep Dhanalakota)

- Migrate gt towards intel_uncore_read/write (Andi)

- Add rps frequency translation helpers (Andi)

- Fix TGL transcoder clock off sequence (José)

- Fix TGL port A audio (Kai Vehmanen)

- TGL render decompression (DK)

- GEM/GT improvements and fixes across the board (Chris)

- Couple of backmerges (Jani)

i915 power and frontbuffer tracking fixes

- Fix to drop an unused and harmful display W/A
- Fix to define EHL power wells independent of ICL
- Fix for priority inversion on bonded requests
- Fix in mmio offset calculation of DSB instance
- Fix memory leak from get_task_pid when banning clients
- Fixes to avoid dereference of uninitialized ops in dma_fence tracing
  and keep reference to execbuf object until submitted.

- Includes gvt-fixes-2019-12-18

- Fix user reported issue #673: GPU hang on transition to idle
- Avoid corruption on the top of the screen on GLK+ by disabling FBC
- Fix non-privileged access to OA on Tigerlake
- Fix HDCP code not to touch global state when just computing commit
- Fix CI splat by saving irqstate around virtual_context_destroy
- Serialise context retirement possibly on another CPU

- Includes gvt-next-fixes-2019-12-02 pull
- Fixes for CI spotted eadlock and a race condition in GEM contexts
- Fix for EHL port D programming

- Important fix to uAPI alignment on query IOCTL
- Fixes for the power regression introduced by the previous security patches
- Avoid regressing super heavy benchmarks by increasing the default request pre-emption timeout from 100 ms to 640 ms to
- Resulting set of smaller fixes done while problem was inspected
- Display fixes for EHL voltage level programming and TGL DKL PHY vswing for HDMI

- Reverts a patch to avoid spinning forever when context's timeline
  is active but has no requests

- Fix kernel oops on dumb_create ioctl on no crtc situation
- Fix bad ugly colored flash on VLV/CHV related to gamma LUT update
- Fix unity of the frequencies reported on PMU
- Fix kernel oops on set_page_dirty using better locks around it
- Protect the request pointer with RCU to prevent it being freed while we might need still
- Make pool objects read-only
- Restore physical addresses for fb_map to avoid corrupted page table

- Includes gvt-next-fixes-2019-11-12
- Fix Bugzilla #112051: Fix detection for a CMP-V PCH
- Fix Bugzilla #112256: Corrupted page table at address on plymouth splash
- Fix Bugzilla #111594: Avoid losing RC6 when HuC authentication is used
- Fix for OA/perf metric coherency, restore GT coarse power gating workaround
- Avoid atomic context on error capture
- Avoid MST bitmask overflowing to EDP/DPI input select
- Fixes to CI found dmesg splats

- PMU "Frequency" is reported as accumulated cycles
- Avoid OOPS in dumb_create IOCTL when no CRTCs
- Mitigation for userptr put_pages deadlock with trylock_page
- Fix to avoid freeing heartbeat request too early
- Fix LRC coherency issue
- Fix Bugzilla #112212: Avoid screen corruption on MST
- Error path fix to unlock context on failed context VM SETPARAM
- Always consider holding preemption a privileged op in perf/OA
- Preload LUTs if the hw isn't currently using them to avoid color flash on VLV/CHV
- Protect context while grabbing its name for the request
- Don't resize aliasing ppGTT size
- Smaller fixes picked by tooling

- MOCS table fixes for EHL and TGL
- Update Display's rawclock on resume
- GVT's dmabuf reference drop fix

Core Changes:
- Update DSI data type and command definitions
- Add helpers for sending compression mode and PPS packets

Driver Changes:
- Update tiny/st7586 to reflect a definition change

One RCU fix and fix for suspend GEM_BUG_ON (with dependencies).

- Fix HPD poll to avoid kworker consuming a lot of cpu cycles.
- Do not use TBT type for non Type-C ports.

Driver Changes:

- Check against i915_selftest only under CONFIG_SELFTEST (Chris)
- Refine occupancy test in kill_context() (Chris)
- Start kthreads before stopping (Chris)

UAPI Changes:

- Make context persistence optional
  Allow userspace to tie the context lifetime to FD lifetime,
  effectively allowing Ctrl-C killing of a process to also clean
  up the hardware immediately.
  Compute changes: https://github.com/intel/compute-runtime/pull/228
  The compute driver is shipping in Ubuntu. uAPI acked by Mesa folks.

- Put future HW and their uAPIs under STAGING & BROKEN
  Introduces DRM_I915_UNSTABLE Kconfig menu for working on the new
  uAPI for future HW in upstream. We already disable driver loading
  by default the platform is deemed ready. This is a second level
  of protection based on compile time switch (STAGING & BROKEN).

- Under DRM_I915_UNSTABLE: Add the fake lmem region on iGFX
  Fake local memory region on integrated GPU through cmdline:
  memmap=2G$16G i915.fake_lmem_start=0x400000000
  Currently allows testing non-mappable GGTT behavior and running
  kernel selftest for local memory.

Driver Changes:

- Fix Bugzilla #112084: VGA external monitor not working (Ville)
- Add support for half float framebuffers (Ville)
- Add perf support on TGL (Lionel)
- Replace hangcheck by heartbeats (Chris)
- Allow SPT PCH on all AML devices (James)
- Add new CNL PCH for CML platform (Imre)
- Allow 100 ms (Kconfig) for workloads to exit before reset (Chris, Jon, Joonas)
- Forcibly pre-empt a context after 100 ms (Kconfig) of delay  (Chris)
- Make timeslice duration Kconfig configurable (Chris)
- Whitelist PS_(DEPTH|INVOCATION)_COUNT for Tigerlake (Tapani)
- Support creating LMEM objects in kernel (Matt A)
- Adjust the location of RING_MI_MODE in the context image for TGL (Chris)
- Handle AUX interrupts for TC ports (Matt R)
- Add support for devices without mappable GGTT aperture (Daniele)
- Rename "inject_load_failure" module parameter to "inject_probe_failure" (Janusz)
- Handle fused off HDCP, FBC, DMC and DSC (Jose)
- Add support to one DP-MST stream on Tigerlake (Lucas)
- Add HuC firmware (and GuC) for TGL (Daniele)
- Allow ICL+ DSI on any pipe (Ville)

- Check some transcoder timing minimum limits (Ville)
- Don't set queue_priority_hint if we don't kick the submission (Chris)
- Introduce barrier pulses along engines to flush idle/in-flight requests (Chris)
- Drop assertion that ce->pin_mutex guards state updates (Chris)
- Cancel banned contexts on schedule-out (Chris)
- Cancel contexts when hangchecking is disabled (Chris)
- Catch GTT fault errors for gen11+ planes (Matt R)
- Print in debugfs if PSR is not enabled because of sink (Jose)
- Do not set MOCS control values on dgfx (Lucas)
- Setup io-mapping for LMEM (Abdiel)
- Support kernel mapping of LMEM objects (Abdiel)
- Add LMEM selftests (Matt A)
- Initialise PMU spinlock before registering (Chris)
- Clear DKL_TX_PMD_LANE_SUS before program TC voltage swing (Jose)
- Flip interpretation of ips fmin/fmax to max rps (Chris)
- Add VBT compression parameter block definition (Jani)
- Limit the blitter sizes to ensure low preemption latency (Chris)
- Fixup block_size rounding on BLT (Matt A)
- Don't try to place HWS in non-existing mappable region (Michal Wa)
- Don't allocate the ring in stolen if we lack aperture (Matt A)
- Add AUX B & C to DC_OFF_POWER_DOMAINS for Tigerlake (Matt R)
- Avoid HPD poll detect triggering a new detect cycle (Imre)
- Document the userspace fail with possible_crtcs (Ville)
- Drop lrc header page now unused by GuC (Daniele)
- Do not switch aux to TBT mode for non-TC ports (Jose)

- Restructure code to avoid depending on i915 but smaller structs (Chris, Tvrtko, Andi)
- Remove pm park/unpark notifications (Chris)
- Avoid lockdep cross-contamination between object types (Chris)
- Restructure DSC code (Jani)
- Fix dead locking in early workload shadow (Zhenyu)
- Split the legacy submission backend from the common CS ring buffer (Chris)
- Move intel_engine_context_in/out into intel_lrc.c (Tvrtko)
- Describe perf/wakeref structure members in documentation (Anna)
- Update renamed header files names in documentation (Anna)
- Add debugs to distingiush a cd2x update from a full cdclk pll update (Ville)
- Rework atomic global state locking (Ville)
- Allow planes to declare their minimum acceptable cdclk (Ville)
- Eliminate skl_check_pipe_max_pixel_rate() and simplify skl_max_scale() (Ville)
- Making loglevel of PSR2/SU logs same (Ap)
- Capture aux page table error register (Lionel)
- Add is_dgfx to device info (Jose)
- Split gen11_irq_handler to make it shareable (Lucas)
- Encapsulate kconfig constant values inside boolean predicates (Chris)
- Split memory_region initialisation into its own file (Chris)
- Use _PICK() for CHICKEN_TRANS() and add CHICKEN_TRANS_D (Ville)
- Add perf helper macros for comparing with whitelisted registers (Umesh)
- Fix i915_inject_load_error() name to read *_probe_* (Janusz)
- Drop unused AUX register offsets (Matt R)
- Provide more information on DP AUX failures (Matt R)
- Add GAM/SFC instdone to error state (Mika)
- Always track callers to intel_rps_mark_interactive() (Chris)
- Nuke 'mode' argument to intel_get_load_detect_pipe() (Ville)
- Simplify LVDS crtc_mask and pipe_mask setup (Ville)
- Stop frobbing crtc->base.mode (Ville)
- Do s/crtc_mask/pipe_mask/ (Ville)
- Split detaching and removing the vma (Chris)

- Selftest improvements (Chris, Tvrtko, Mika, Matt A, Lionel)
- GuC code improvements (Rob, Andi, Daniele)

- Fix PCH reference clock for FDI on HSW/BDW which was causing users blank screen
- Small documentation fix for TGL display PLLs

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)

- Display fix on handling VBT information.
- Important circular locking fix
- Fix for preemption vs resubmission on virtual requests
  - and a prep patch to make this last one to apply cleanly