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Add documentation explaining those two new files.
While here, add a note about the value type.
Signed-off-by: André Almeida <andrealmeid@igalia.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
AMD GPU display manager (DM) maps DRM pixel blend modes (None,
Pre-multiplied, Coverage) to MPC hw blocks through blend configuration
options. Describe relevant elements and how to set and test them to get
the expected DRM blend mode on DCN hw.
v2:
- add ref tag (Tales)
Signed-off-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Tales Aparecida <tales.aparecida@gmail.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Add details about color correction capabilities and explain a bit about
differences between DC hw generations and also how they are mapped
between DRM and DC interface. Two schemas for DCN 2.0 and 3.0 (converted
to svg from the original png) is included to illustrate it. They were
obtained from a discussion[1] in the amd-gfx mailing list.
[1] https://lore.kernel.org/amd-gfx/20220422142811.dm6vtk6v64jcwydk@mail.igalia.com/
v1:
- remove redundant comments (Harry)
- fix typos (Harry)
v2:
- reword introduction of color section
- add co-dev tag for Harry - who provided most of the info
- fix typos (Tales)
- describe missing struct parameters (Tales and Siqueira)
Co-developed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Tales Aparecida <tales.aparecida@gmail.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
AMDGPU DM maps DRM color management properties (degamma, ctm and gamma)
to DC color correction entities. Part of this mapping is already
documented as code comments and can be converted as kernel docs.
v2:
- rebase to amd-staging-drm-next
- fix typos (Tales)
- undo kernel-docs inside functions (Tales)
Signed-off-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Tales Aparecida <tales.aparecida@gmail.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Add a GFXOFF section at "GPU Power Controls" file, explaining what it is
and how userspace can interact with it.
v2: minor tweaks to the documenation (Alex)
Signed-off-by: André Almeida <andrealmeid@igalia.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Driver uAPI changes:
- All related to the Small BAR support: (and all by Matt Auld)
* add probed_cpu_visible_size
* expose the avail memory region tracking
* apply ALLOC_GPU only by default
* add NEEDS_CPU_ACCESS hint
* tweak error capture on recoverable contexts
Driver highlights:
- Add Small BAR support (Matt)
- Add MeteorLake support (RK)
- Add support for LMEM PCIe resizable BAR (Akeem)
Driver important fixes:
- ttm related fixes (Matt Auld)
- Fix a performance regression related to waitboost (Chris)
- Fix GT resets (Chris)
Driver others:
- Adding GuC SLPC selftest (Vinay)
- Fix ADL-N GuC load (Daniele)
- Add platform workaround (Gustavo, Matt Roper)
- DG2 and ATS-M device ID updates (Matt Roper)
- Add VM_BIND doc rfc with uAPI documentation (Niranjana)
- Fix user-after-free in vma destruction (Thomas)
- Async flush of GuC log regions (Alan)
- Fixes in selftests (Chris, Dan, Andrzej)
- Convert to drm_dbg (Umesh)
- Disable OA sseu config param for newer hardware (Umesh)
- Multi-cast register steering changes (Matt Roper)
- Add lmem_bar_size modparam (Priyanka)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Ys85pcMYLkqF/HtB@intel.com
amd-drm-next-5.20-2022-07-14:
amdgpu:
- DCN3.2 updates
- DC SubVP support
- DP MST fixes
- Audio fixes
- DC code cleanup
- SMU13 updates
- Adjust GART size on newer APUs for S/G display
- Soft reset for GFX 11
- Soft reset for SDMA 6
- Add gfxoff status query for vangogh
- Improve BO domain pinning
- Fix timestamps for cursor only commits
- MES fixes
- DCN 3.1.4 support
- Misc fixes
- Misc code cleanup
amdkfd:
- Simplify GPUVM validation
- Unified memory for CWSR save/restore area
- fix possible list corruption on queue failure
radeon:
- Fix bogus power of two warning
UAPI:
- Unified memory for CWSR save/restore area for KFD
Proposed userspace: https://lists.freedesktop.org/archives/amd-gfx/2022-June/080952.html
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220714214716.8203-1-alexander.deucher@amd.com
Next for v5.20
GPU:
- a619 support
- Fix for unclocked GMU register access
- Devcore dump enhancements
Core:
- client utilization via fdinfo support
- fix fence rollover issue
- gem: Lockdep false-positive warning fix
- gem: Switch to pfn mappings
DPU:
- constification of HW catalog
- support for using encoder as CRC source
- WB support on sc7180
- WB resolution fixes
DP:
- dropped custom bulk clock implementation
- made dp_bridge_mode_valid() return MODE_CLOCK_HIGH where applicable
- fix link retraining on resolution change
MDP5:
- MSM8953 perf data
HDMI:
- YAML'ification of schema
- dropped obsolete GPIO support
- misc cleanups
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGtuqswBGPw-kCYzJvckK2RR1XTeUEgaXwVG_mvpbv3gPA@mail.gmail.com
Mediatek DRM Next for Linux 5.20
1. Add Mediatek Soc DRM (vdosys0) support for mt8195
2. Cooperate with DSI RX devices to modify dsi funcs and delay mipi high to cooperate with panel sequence
3. Add mt8186 dsi compatible and convert dsi_dtbinding to .yaml
4. Add MediaTek SoC DRM (vdosys1) support for mt8195
5. Add MT8195 dp_intf driver
Signed-off-by: Dave Airlie <airlied@redhat.com>
[airlied: fix drm_edid.h include]
From: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220709142021.24260-1-chunkuang.hu@kernel.org
drm/tegra: Changes for v5.20-rc1
The bulk of these changes adds support for context isolation for the
various supported host1x engines, as well as support for the hardware
found on the new Tegra234 SoC generation.
There's also a couple of fixes and cleanups. To round things off, the
device tree bindings are converted to the new json-schema format that
allows DTBs to be validated.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thierry Reding <thierry.reding@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220708181136.673789-1-thierry.reding@gmail.com
Emails to Joonyoung Shim bounce ("550 5.1.1 Recipient address rejected:
User unknown"), so remove him from maintainers of DT bindings (display,
phy).
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
drm-misc-next for $kernel-version:
UAPI Changes:
Cross-subsystem Changes:
Core Changes:
* crtc: Remove unnessary include statements from drm_crtc.h, plus
fallout in drivers
* edid: More use of struct drm_edid; implement HF-EEODB extension
Driver Changes:
* bridge:
* anx7625: Implement HDP timeout via callback; Cleanups
* fsl-ldb: Drop DE flip; Modesetting fixes
* imx: Depend on ARCH_MXC
* sil8620: Fix off-by-one
* ti-sn65dsi86: Convert to atomic modesetting
* ingenic: Fix display at maximum resolution
* panel:
* simple: Add support for HannStar HSD101PWW2, plus DT bindings; Add
support for ETML0700Y5DHA, plus DT bindings
* rockchip: Fixes
* vc4: Cleanups
* vmwgfx: Cleanups
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/YsaHq1pvE699NtOM@linux-uq9g
The bracketing for the interrupts property in the device tree
example is incorrect. Fix it.
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Update VIC and Host1x bindings for changes in Tegra234.
Namely,
- New compatible strings
- Sharded syncpoint interrupts
- Optional reset.
Also, fix the order of descriptions for VM/hypervisor
register apertures -- while the reg-names specification
was correct, the descriptions for these were switched.
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Pull networking fixes from Paolo Abeni:
"Including fixes from bpf, netfilter, can, and bluetooth.
Current release - regressions:
- bluetooth: fix deadlock on hci_power_on_sync
Previous releases - regressions:
- sched: act_police: allow 'continue' action offload
- eth: usbnet: fix memory leak in error case
- eth: ibmvnic: properly dispose of all skbs during a failover
Previous releases - always broken:
- bpf:
- fix insufficient bounds propagation from
adjust_scalar_min_max_vals
- clear page contiguity bit when unmapping pool
- netfilter: nft_set_pipapo: release elements in clone from
abort path
- mptcp: netlink: issue MP_PRIO signals from userspace PMs
- can:
- rcar_canfd: fix data transmission failed on R-Car V3U
- gs_usb: gs_usb_open/close(): fix memory leak
Misc:
- add Wenjia as SMC maintainer"
* tag 'net-5.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (57 commits)
wireguard: Kconfig: select CRYPTO_CHACHA_S390
crypto: s390 - do not depend on CRYPTO_HW for SIMD implementations
wireguard: selftests: use microvm on x86
wireguard: selftests: always call kernel makefile
wireguard: selftests: use virt machine on m68k
wireguard: selftests: set fake real time in init
r8169: fix accessing unset transport header
net: rose: fix UAF bug caused by rose_t0timer_expiry
usbnet: fix memory leak in error case
Revert "tls: rx: move counting TlsDecryptErrors for sync"
mptcp: update MIB_RMSUBFLOW in cmd_sf_destroy
mptcp: fix local endpoint accounting
selftests: mptcp: userspace PM support for MP_PRIO signals
mptcp: netlink: issue MP_PRIO signals from userspace PMs
mptcp: Acquire the subflow socket lock before modifying MP_PRIO flags
mptcp: Avoid acquiring PM lock for subflow priority changes
mptcp: fix locking in mptcp_nl_cmd_sf_destroy()
net/mlx5e: Fix matchall police parameters validation
net/sched: act_police: allow 'continue' action offload
net: lan966x: hardcode the number of external ports
...
Convert the Tegra host1x controller bindings from the free-form text
format to json-schema.
This also adds the missing display-hub DT bindings that were not
previously documented.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Changes in this merge:
Core:
- client utilization via fdinfo support
- fix fence rollover issue
DPU:
- constification of HW catalog
- support for using encoder as CRC source
- WB support on sc7180
- WB resolution fixes
- enable DSPP support for sc7280
DP:
- dropped custom bulk clock implementation
- made dp_bridge_mode_valid() return MODE_CLOCK_HIGH where applicable
- fix link retraining on resolution change
MDP5:
- MSM8953 perf data
HDMI:
- YAML'ification of schema
- dropped obsolete GPIO support
- misc cleanups
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
We're supposed to list the supplies in the dt bindings but there are
none in the DP controller bindings. Looking at the Linux driver and
existing device trees, we can see that two supplies are expected:
- vdda-0p9-supply
- vdda-1p2-supply
Let's list them both in the bindings. Note that the datasheet for
sc7280 doesn't describe these supplies very verbosely. For the 0p9
supply, for instance, it says "Power for eDP 0.9 V circuits". This
this is obvious from the property name, we don't bother cluttering the
bindings with a description.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Sankeerth Billakanti <quic_sbillaka@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/483373/
Link: https://lore.kernel.org/r/20220425140619.1.Ibfde5a26a7182c4b478d570c23d2649823ac2cce@changeid
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Summarize the rules we see broken most often and which may
be less familiar to kernel devs who are used to working outside
of netdev.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Similarly to the 15 patch rule the reverse xmas tree is not
documented.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
We had been asking people to avoid massive patch series but it does
not appear in the FAQ.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
VM_BIND and related uapi definitions
v2: Reduce the scope to simple Mesa use case.
v3: Expand VM_UNBIND documentation and add
I915_GEM_VM_BIND/UNBIND_FENCE_VALID
and I915_GEM_VM_BIND_TLB_FLUSH flags.
v4: Remove I915_GEM_VM_BIND_TLB_FLUSH flag and add additional
documentation for vm_bind/unbind.
v5: Remove TLB flush requirement on VM_UNBIND.
Add version support to stage implementation.
v6: Define and use drm_i915_gem_timeline_fence structure for
all timeline fences.
v7: Rename I915_PARAM_HAS_VM_BIND to I915_PARAM_VM_BIND_VERSION.
Update documentation on async vm_bind/unbind and versioning.
Remove redundant vm_bind/unbind FENCE_VALID flag, execbuf3
batch_count field and I915_EXEC3_SECURE flag.
v8: Remove I915_GEM_VM_BIND_READONLY and minor documentation
updates.
Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220701003110.24843-4-niranjana.vishwanathapura@intel.com
UAPI Changes:
- Expose per tile media freq factor in sysfs (Ashutosh Dixit, Dale B Stimson)
- Document memory residency and Flat-CCS capability of obj (Ramalingam C)
- Disable GETPARAM lookups of I915_PARAM_[SUB]SLICE_MASK on Xe_HP+ (Matt Roper)
Cross-subsystem Changes:
- Rename intel-gtt symbols (Lucas De Marchi)
Core Changes:
Driver Changes:
- Support programming the EU priority in the GuC descriptor (DG2) (Matthew Brost)
- DG2 HuC loading support (Daniele Ceraolo Spurio)
- Fix build error without CONFIG_PM (YueHaibing)
- Enable THP on Icelake and beyond (Tvrtko Ursulin)
- Only setup private tmpfs mount when needed and fix logging (Tvrtko Ursulin)
- Make __guc_reset_context aware of guilty engines (Umesh Nerlige Ramappa)
- DG2 small bar memory probing fixes (Nirmoy Das)
- Remove unnecessary GuC err capture noise (Alan Previn)
- Fix i915_gem_object_ggtt_pin_ww regression on old platforms (Maarten Lankhorst)
- Fix undefined behavior in GuC backend due to shift overflowing the constant (Borislav Petkov)
- New DG2 workarounds (Swathi Dhanavanthri, Anshuman Gupta)
- Report no hwconfig support on ADL-N (Balasubramani Vivekanandan)
- Fix error_state_read ptr + offset use (Alan Previn)
- Expose per tile media freq factor in sysfs (Ashutosh Dixit, Dale B Stimson)
- Fix memory leaks in per-gt sysfs (Ashutosh Dixit)
- Fix dma_resv fence handling in multi-batch execbuf (Nirmoy Das)
- Add extra registers to GPU error dump on Gen11+ (Stuart Summers)
- More PVC+DG2 workarounds (Matt Roper)
- Improve user experience and driver robustness under SIGINT or similar (Tvrtko Ursulin)
- Don't show engine classes not present (Tvrtko Ursulin)
- Improve on suspend / resume time with VT-d enabled (Thomas Hellström)
- Add missing else (katrinzhou)
- Don't leak lmem mapping in vma_evict (Juha-Pekka Heikkila)
- Add smem fallback allocation for dpt (Juha-Pekka Heikkila)
- Tweak the ordering in cpu_write_needs_clflush (Matthew Auld)
- Do not access rq->engine without a reference (Niranjana Vishwanathapura)
- Revert "drm/i915: Hold reference to intel_context over life of i915_request" (Niranjana Vishwanathapura)
- Don't update engine busyness stats too frequently (Alan Previn)
- Add additional steps for Wa_22011802037 for execlist backend (Umesh Nerlige Ramappa)
- Fix a lockdep warning at error capture (Nirmoy Das)
- Ponte Vecchio prep work and new blitter engines (Matt Roper, John Harrison, Lucas De Marchi)
- Read correct RP_STATE_CAP register (PVC) (Matt Roper)
- Define MOCS table for PVC (Ayaz A Siddiqui)
- Driver refactor and support Ponte Vecchio forcewake handling (Matt Roper)
- Remove additional 3D flags from PIPE_CONTROL (Ponte Vecchio) (Stuart Summers)
- XEHPSDV and PVC do not use HuC (Daniele Ceraolo Spurio)
- Extract stepping information from PCI revid (Ponte Vecchio) (Matt Roper)
- Add initial PVC workarounds (Stuart Summers)
- SSEU handling driver refactor and Ponte Vecchio support (Matt Roper)
- GuC depriv applies to PVC (Matt Roper)
- Add register steering (Ponte Vecchio) (Matt Roper)
- Add recommended MMIO setting (Ponte Vecchio) (Matt Roper)
- Move multicast register handling to a dedicated file (Matt Roper)
- Cleanup interface for MCR operations (Matt Roper)
- Extend i915_vma_pin_iomap() (CQ Tang)
- Re-do the intel-gtt split (Lucas De Marchi)
- Correct duplicated/misplaced GT register definitions (Matt Roper)
- Prefer "XEHP_" prefix for registers (Matt Roper)
- Don't use DRM_DEBUG_WARN_ON for unexpected l3bank/mslice config (Tvrtko Ursulin)
- Don't use DRM_DEBUG_WARN_ON for ring unexpectedly not idle (Tvrtko Ursulin)
- Make drop_pages() return bool (Lucas De Marchi)
- Fix CFI violation with show_dynamic_id() (Nathan Chancellor)
- Use i915_probe_error instead of drm_error in GuC code (Vinay Belgaumkar)
- Fix use of static in macro mismatch (Andi Shyti)
- Update tiled blits selftest (Bommu Krishnaiah)
- Future-proof platform checks (Matt Roper)
- Only include what's needed (Jani Nikula)
- remove accidental static from a local variable (Jani Nikula)
- Add global forcewake request to drpc (Vinay Belgaumkar)
- Fix spelling typo in comment (pengfuyuan)
- Increase timeout for live_parallel_switch selftest (Akeem G Abodunrin)
- Use non-blocking H2G for waitboost (Vinay Belgaumkar)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YrwtLM081SQUG1Dc@tursulin-desk
Implement DRM's aperture helpers under video/ for sharing with other
sub-systems. Remove DRM-isms from the interface. The helpers track
the ownership of framebuffer apertures and provide hand-over from
firmware, such as EFI and VESA, to native graphics drivers.
Other subsystems, such as fbdev and vfio, also have to maintain ownership
of framebuffer apertures. Moving DRM's aperture helpers to a more public
location allows all subsystems to interact with each other and share a
common implementation.
The aperture helpers are selected by the various firmware drivers within
DRM and fbdev, and the VGA text-console driver.
The original DRM interface is kept in place for use by DRM drivers.
v3:
* prefix all interfaces with aperture_ (Javier)
* rework and simplify documentation (Javier)
* rename struct dev_aperture to struct aperture_range
* rebase onto latest DRM
* update MAINTAINERS entry
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220622140134.12763-3-tzimmermann@suse.de
Pull hotfixes from Andrew Morton:
"Minor things, mainly - mailmap updates, MAINTAINERS updates, etc.
Fixes for this merge window:
- fix for a damon boot hang, from SeongJae
- fix for a kfence warning splat, from Jason Donenfeld
- fix for zero-pfn pinning, from Alex Williamson
- fix for fallocate hole punch clearing, from Mike Kravetz
Fixes for previous releases:
- fix for a performance regression, from Marcelo
- fix for a hwpoisining BUG from zhenwei pi"
* tag 'mm-hotfixes-stable-2022-06-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mailmap: add entry for Christian Marangi
mm/memory-failure: disable unpoison once hw error happens
hugetlbfs: zero partial pages during fallocate hole punch
mm: memcontrol: reference to tools/cgroup/memcg_slabinfo.py
mm: re-allow pinning of zero pfns
mm/kfence: select random number before taking raw lock
MAINTAINERS: add maillist information for LoongArch
MAINTAINERS: update MM tree references
MAINTAINERS: update Abel Vesa's email
MAINTAINERS: add MEMORY HOT(UN)PLUG section and add David as reviewer
MAINTAINERS: add Miaohe Lin as a memory-failure reviewer
mailmap: add alias for jarkko@profian.com
mm/damon/reclaim: schedule 'damon_reclaim_timer' only after 'system_wq' is initialized
kthread: make it clear that kthread_create_on_node() might be terminated by any fatal signal
mm: lru_cache_disable: use synchronize_rcu_expedited
mm/page_isolation.c: fix one kernel-doc comment
