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Pull drm updates from Dave Airlie:
"As part of building up nova-core/nova-drm pieces we've brought in some
rust abstractions through this tree, aux bus being the main one, with
devres changes also in the driver-core tree. Along with the drm core
abstractions and enough nova-core/nova-drm to use them. This is still
all stub work under construction, to build the nova driver upstream.
The other big NVIDIA related one is nouveau adds support for
Hopper/Blackwell GPUs, this required a new GSP firmware update to
570.144, and a bunch of rework in order to support multiple fw
interfaces.
There is also the introduction of an asahi uapi header file as a
precursor to getting the real driver in later, but to unblock
userspace mesa packages while the driver is trapped behind rust
enablement.
Otherwise it's the usual mixture of stuff all over, amdgpu, i915/xe,
and msm being the main ones, and some changes to vsprintf.
new drivers:
- bring in the asahi uapi header standalone
- nova-drm: stub driver
rust dependencies (for nova-core):
- auxiliary
- bus abstractions
- driver registration
- sample driver
- devres changes from driver-core
- revocable changes
core:
- add Apple fourcc modifiers
- add virtio capset definitions
- extend EXPORT_SYNC_FILE for timeline syncobjs
- convert to devm_platform_ioremap_resource
- refactor shmem helper page pinning
- DP powerup/down link helpers
- extended %p4cc in vsprintf.c to support fourcc prints
- change vsprintf %p4cn to %p4chR, remove %p4cn
- Add drm_file_err function
- IN_FORMATS_ASYNC property
- move sitronix from tiny to their own subdir
rust:
- add drm core infrastructure rust abstractions
(device/driver, ioctl, file, gem)
dma-buf:
- adjust sg handling to not cache map on attach
- allow setting dma-device for import
- Add a helper to sort and deduplicate dma_fence arrays
docs:
- updated drm scheduler docs
- fbdev todo update
- fb rendering
- actual brightness
ttm:
- fix delayed destroy resv object
bridge:
- add kunit tests
- convert tc358775 to atomic
- convert drivers to devm_drm_bridge_alloc
- convert rk3066_hdmi to bridge driver
scheduler:
- add kunit tests
panel:
- refcount panels to improve lifetime handling
- Powertip PH128800T004-ZZA01
- NLT NL13676BC25-03F, Tianma TM070JDHG34-00
- Himax HX8279/HX8279-D DDIC
- Visionox G2647FB105
- Sitronix ST7571
- ZOTAC rotation quirk
vkms:
- allow attaching more displays
i915:
- xe3lpd display updates
- vrr refactor
- intel_display struct conversions
- xe2hpd memory type identification
- add link rate/count to i915_display_info
- cleanup VGA plane handling
- refactor HDCP GSC
- fix SLPC wait boosting reference counting
- add 20ms delay to engine reset
- fix fence release on early probe errors
xe:
- SRIOV updates
- BMG PCI ID update
- support separate firmware for each GT
- SVM fix, prelim SVM multi-device work
- export fan speed
- temp disable d3cold on BMG
- backup VRAM in PM notifier instead of suspend/freeze
- update xe_ttm_access_memory to use GPU for non-visible access
- fix guc_info debugfs for VFs
- use copy_from_user instead of __copy_from_user
- append PCIe gen5 limitations to xe_firmware document
amdgpu:
- DSC cleanup
- DC Scaling updates
- Fused I2C-over-AUX updates
- DMUB updates
- Use drm_file_err in amdgpu
- Enforce isolation updates
- Use new dma_fence helpers
- USERQ fixes
- Documentation updates
- SR-IOV updates
- RAS updates
- PSP 12 cleanups
- GC 9.5 updates
- SMU 13.x updates
- VCN / JPEG SR-IOV updates
amdkfd:
- Update error messages for SDMA
- Userptr updates
- XNACK fixes
radeon:
- CIK doorbell cleanup
nouveau:
- add support for NVIDIA r570 GSP firmware
- enable Hopper/Blackwell support
nova-core:
- fix task list
- register definition infrastructure
- move firmware into own rust module
- register auxiliary device for nova-drm
nova-drm:
- initial driver skeleton
msm:
- GPU:
- ACD (adaptive clock distribution) for X1-85
- drop fictional address_space_size
- improve GMU HFI response time out robustness
- fix crash when throttling during boot
- DPU:
- use single CTL path for flushing on DPU 5.x+
- improve SSPP allocation code for better sharing
- Enabled SmartDMA on SM8150, SC8180X, SC8280XP, SM8550
- Added SAR2130P support
- Disabled DSC support on MSM8937, MSM8917, MSM8953, SDM660
- DP:
- switch to new audio helpers
- better LTTPR handling
- DSI:
- Added support for SA8775P
- Added SAR2130P support
- HDMI:
- Switched to use new helpers for ACR data
- Fixed old standing issue of HPD not working in some cases
amdxdna:
- add dma-buf support
- allow empty command submits
renesas:
- add dma-buf support
- add zpos, alpha, blend support
panthor:
- fail properly for NO_MMAP bos
- add SET_LABEL ioctl
- debugfs BO dumping support
imagination:
- update DT bindings
- support TI AM68 GPU
hibmc:
- improve interrupt handling and HPD support
virtio:
- add panic handler support
rockchip:
- add RK3588 support
- add DP AUX bus panel support
ivpu:
- add heartbeat based hangcheck
mediatek:
- prepares support for MT8195/99 HDMIv2/DDCv2
anx7625:
- improve HPD
tegra:
- speed up firmware loading
* tag 'drm-next-2025-05-28' of https://gitlab.freedesktop.org/drm/kernel: (1627 commits)
drm/nouveau/tegra: Fix error pointer vs NULL return in nvkm_device_tegra_resource_addr()
drm/xe: Default auto_link_downgrade status to false
drm/xe/guc: Make creation of SLPC debugfs files conditional
drm/i915/display: Add check for alloc_ordered_workqueue() and alloc_workqueue()
drm/i915/dp_mst: Work around Thunderbolt sink disconnect after SINK_COUNT_ESI read
drm/i915/ptl: Use everywhere the correct DDI port clock select mask
drm/nouveau/kms: add support for GB20x
drm/dp: add option to disable zero sized address only transactions.
drm/nouveau: add support for GB20x
drm/nouveau/gsp: add hal for fifo.chan.doorbell_handle
drm/nouveau: add support for GB10x
drm/nouveau/gf100-: track chan progress with non-WFI semaphore release
drm/nouveau/nv50-: separate CHANNEL_GPFIFO handling out from CHANNEL_DMA
drm/nouveau: add helper functions for allocating pinned/cpu-mapped bos
drm/nouveau: add support for GH100
drm/nouveau: improve handling of 64-bit BARs
drm/nouveau/gv100-: switch to volta semaphore methods
drm/nouveau/gsp: support deeper page tables in COPY_SERVER_RESERVED_PDES
drm/nouveau/gsp: init client VMMs with NV0080_CTRL_DMA_SET_PAGE_DIRECTORY
drm/nouveau/gsp: fetch level shift and PDE from BAR2 VMM
...
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Add check for the return value of alloc_ordered_workqueue()
and alloc_workqueue(). Furthermore, if some allocations fail,
cleanup works are added to avoid potential memory leak problem.
Fixes: 40053823baad ("drm/i915/display: move modeset probe/remove functions to intel_display_driver.c")
Cc: stable@vger.kernel.org
Signed-off-by: Haoxiang Li <haoxiang_li2024@163.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://lore.kernel.org/r/20d3d096c6a4907636f8a1389b3b4dd753ca356e.1747397638.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit dcab7a228f4ea9cda3f5b0a1f0679e046d23d7f7)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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SINK_COUNT_ESI read
Due to a problem in the iTBT DP-in adapter's firmware the sink on a TBT
link may get disconnected inadvertently if the SINK_COUNT_ESI and the
DP_LINK_SERVICE_IRQ_VECTOR_ESI0 registers are read in a single AUX
transaction. Work around the issue by reading these registers in
separate transactions.
The issue affects MTL+ platforms and will be fixed in the DP-in adapter
firmware, however releasing that firmware fix may take some time and is
not guaranteed to be available for all systems. Based on this apply the
workaround on affected platforms.
See HSD #13013007775.
v2: Cc'ing Mika Westerberg.
Closes: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/13760
Closes: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/14147
Cc: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: stable@vger.kernel.org
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://lore.kernel.org/r/20250519133417.1469181-1-imre.deak@intel.com
(cherry picked from commit c3a48363cf1f76147088b1adb518136ac5df86a0)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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The PTL XELPDP_PORT_CLOCK_CTL register XELPDP_DDI_CLOCK_SELECT field's
size is 5 bits vs. the earlier platforms where its size is 4 bits. Make
sure the field is read-out/programmed everywhere correctly, according to
the above.
Cc: Mika Kahola <mika.kahola@intel.com>
Cc: stable@vger.kernel.org # v6.13+
Tested-by: Mika Kahola <mika.kahola@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://lore.kernel.org/r/20250512142600.824347-1-imre.deak@intel.com
(cherry picked from commit d0bf684bd42db22e7d131a038f8f78927fa6a72a)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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https://gitlab.freedesktop.org/drm/i915/kernel into drm-next
- Stop writing ALPM registers when PSR is enabled
- Use the correct connector while computing the link BPP limit on MST
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://lore.kernel.org/r/aCWlWk5rTE7TH1pN@jlahtine-mobl
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https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
drm-misc-next for v6.16-rc1:
Once more, with async flips.
UAPI Changes:
- Add IN_FORMATS_ASYNC property, use in i915.
Cross-subsystem Changes:
- Remove some unused debug code in dma-buf.
Core Changes:
Driver Changes:
- Add Novatek NT37801 panel.
- Allow submitting empty commands in amdxdna.
- Convert cirrus to use managed request_all_regions.
- Move Sitronix from tiny to their own place.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://lore.kernel.org/r/23ded62c-6a62-4195-9c08-4dfb81eafd72@linux.intel.com
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Currently we are seeing these on PTL:
xe 0000:00:02.0: [drm] *ERROR* Timeout waiting for DDI BUF A to get active
These seem to be caused by writing ALPM registers while Panel Replay is
enabled.
Fix this by writing ALPM registers only when Panel Replay is about to be
enabled.
v4: improve comment on intel_psr_panel_replay_enable_sink call
v3: enable/disable ALPM from PSR code
Fixes: 172757acd6f6 ("drm/i915/lobf: Add lobf enablement in post plane update")
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://lore.kernel.org/r/20250513054814.3702977-3-jouni.hogander@intel.com
(cherry picked from commit a8eb102ce0944a9de2a62aa9d195861b7f26668a)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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We want to enable sink ALPM from PSR code. Make intel_alpm_enable_sink
available for PSR.
v2: do not add kerneldoc comments
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://lore.kernel.org/r/20250513054814.3702977-2-jouni.hogander@intel.com
(cherry picked from commit 2d278488761f0b5be651a3db41e615a964123d6c)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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limit on MST
Atm, on an MST link in DSC mode
intel_dp_compute_config_link_bpp_limits() calculates the maximum link
bpp limit using the MST root connector's DSC capabilities. That's not
correct in general: the decompression could be performed by a branch
device downstream of the root branch device or the sink itself.
Fix the above by passing to intel_dp_compute_config_link_bpp_limits()
the actual connector being modeset, containing the correct DSC
capabilities.
Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Fixes: 1c5b72daff46 ("drm/i915/dp: Set the DSC link limits in intel_dp_compute_config_link_bpp_limits")
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://lore.kernel.org/r/20250509180340.554867-2-imre.deak@intel.com
(cherry picked from commit 266e2fcfe2ea0d062ea392cd22f6250ae0d11c04)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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https://gitlab.freedesktop.org/drm/i915/kernel into drm-next
Non-display related:
- Fix undefined reference to `intel_pxp_gsccs_is_ready_for_sessions'
Display related:
- More work towards display separation (Jani)
- Stop writing VRR_CTL_IGN_MAX_SHIFT for MTL onwards (Jouni)
- DSC checks for 3 engines (Ankit)
- Add link rate and lane count to i915_display_info (Khaled)
- PSR fixes and workaround for underrun on idle (Jouni)
- LOBF enablement and ALMP fixes (Animesh)
- Clean up VGA plane handling (Ville)
- Use an intel_connector pointer everywhere (Imre)
- Fix warning for coffeelake on SunrisePoint PCH (Jiajia)
- Rework/Correction on minimum hblank calculation (Arun)
- Dmesg clean up (Jani)
- Add a couple of simple display workarounds (Ankit, Vinod)
- Refactor HDCP GSC (Jani)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://lore.kernel.org/r/aByyL3bEufPu79OM@intel.com
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Async flip is not supported with Indexed 8 bit format as it depends on
LUT and can't be updated atomically.
Note: This may change the alignment for C8 framebuffers on some
platforms.
Signed-off-by: Arun R Murthy <arun.r.murthy@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://lore.kernel.org/r/20250407-asyn-v13-5-b93ef83076c5@intel.com
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Hook up the newly added plane function pointer
format_mod_supported_async to populate the modifiers/formats supported
by asynchronous flips.
v5: Correct the if condition for modifier support check (Chaitanya)
v6: Replace uint32_t/uint64_t with u32/u64 (Jani)
v7: Move plannar check from intel_async_flip_check_hw() to
intel_plane_format_mod_supported_async() (Ville)
v8: In case of error print format/modifier (Chaitanya)
v9: Exclude C8 format as its not supported by hardware
v10: filter only planar formats
move changes in can_async_flip to new patch (Ville)
Signed-off-by: Arun R Murthy <arun.r.murthy@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://lore.kernel.org/r/20250407-asyn-v13-4-b93ef83076c5@intel.com
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The function intel_plane_can_async_flip() checks for async supported
modifier, add format support check also in the same function.
Note: on ADL the surface base addr is required to be 16k aligned and if
not might generate DMAR and GGTT faults leading to glitches. This patch
changes the 16k alignment to 4k for planar formats.
v11: Move filtering Indexed 8bit to a separate patch (Ville)
v12: correct the commit msg and remove unwanted debug print (Ville)
Signed-off-by: Arun R Murthy <arun.r.murthy@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://lore.kernel.org/r/20250407-asyn-v13-3-b93ef83076c5@intel.com
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Determining the SST/MST mode during state computation must be done based
on the output type stored in the CRTC state, which in turn is set once
based on the modeset connector's SST vs. MST type and will not change as
long as the connector is using the CRTC. OTOH the MST mode indicated by
the given connector's intel_dp::is_mst flag can change independently of
the above output type, based on what sink is at any moment plugged to
the connector.
Fix the state computation accordingly.
Cc: Jani Nikula <jani.nikula@intel.com>
Fixes: f6971d7427c2 ("drm/i915/mst: adapt intel_dp_mtp_tu_compute_config() for 128b/132b SST")
Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/4607
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://lore.kernel.org/r/20250507151953.251846-1-imre.deak@intel.com
(cherry picked from commit 0f45696ddb2b901fbf15cb8d2e89767be481d59f)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Observe that i915->irq_lock is no longer used to protect anything
outside of display. Make it a display thing.
This allows us to remove the ugly #define irq_lock irq.lock hack from xe
compat header.
Note that this is slightly more subtle than it first looks. For i915,
there's no functional change here. The lock is moved. However, for xe,
we'll now have *two* locks, xe->irq.lock and display->irq.lock. These
should protect different things, though. Indeed, nesting in the past
would've lead to a deadlock because they were the same lock.
With the i915 references gone, we can make a handful more files
independent of i915_drv.h.
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://lore.kernel.org/r/6d8d2ce0f34a9c7361a5e2fcf96bb32a34c57e76.1746536745.git.jani.nikula@intel.com
[Jani: Fixed a comment while applying.]
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Make the gt rps code and display irq code interact via
intel_display_rps.[ch], instead of direct access. Add no-op static
inline stubs for xe instead of having a separate build unit doing
nothing. All of this clarifies the interfaces between i915 core and
display.
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://lore.kernel.org/r/ef2a46dc8f30b72282494f54e98cb5fed7523b58.1746536745.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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With all users of i915_enable_asle_pipestat() inside
intel_display_irq.c, we can make the function static.
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://lore.kernel.org/r/9511e368c5244aaa04cc45f46e2425737acd29fb.1746536745.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Split out i965_display_irq_postinstall() similar to other platforms.
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://lore.kernel.org/r/5d404dcd0c606d1cb11f2e09c45e151a75b5b2c6.1746536745.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Split out i915_display_irq_postinstall() similar to other platforms.
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://lore.kernel.org/r/11de06206ff10c27104b0ac3efda085bf4c1f1a6.1746536745.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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All users of vlv_display_irq_postinstall() outside of
intel_display_irq.c have a lock/unlock pair. Move the locking inside the
function. Add an unlocked variant for internal use, similar to the
_vlv_display_irq_reset() and vlv_display_irq_reset() functions.
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://lore.kernel.org/r/93ea785d2d9bdb4e18328aa42a00a492d9d783c0.1746536745.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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All users of valleyview_enable_display_irqs() and
valleyview_disable_display_irqs() have a lock/unlock pair. Move the
locking inside the functions.
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://lore.kernel.org/r/bb6d941c47260aea11e4af5d52572b0e5f139929.1746536745.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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All users of vlv_display_irq_reset() have a lock/unlock pair. Move the
locking inside the function.
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://lore.kernel.org/r/0f8176b777fa24921458996f7d6f982f955a52f6.1746536745.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Drop another reference to struct drm_i915_private.
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://lore.kernel.org/r/cb84073ff92a99e74ff6dfb8e395365b7cbb5332.1746529001.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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struct intel_vbt_data is within struct intel_display nowadays, not
struct drm_i915_private.
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://lore.kernel.org/r/b7a9a7c64f41cf61749a42ed4102e04b500fde83.1746529001.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Remove unused struct drm_i915_private forward declaration from
intel_display_core.h. Sort and group forward declarations while at it.
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://lore.kernel.org/r/fbccf45339a61711b377b35fd479a67b378c5571.1746529001.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Remove final references to struct drm_i915_private and drop dependency
on i915_drv.h.
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://lore.kernel.org/r/2cee3cd9d7d9bec8dfe9c21fe5d172b1843b3d97.1746529001.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Linux 6.15-rc5, requested by tzimmerman for fixes required in drm-next.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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As per the WA, fbc stride need to be programmed always for bmg.
Display driver handles the need to program the fbc stride using
the override stride. So ensure that we always get the override
stride in case of bmg
v2: re-phrase the commit message.
Bspec: 74212
Signed-off-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Link: https://lore.kernel.org/r/20250428115554.116780-1-vinod.govindapillai@intel.com
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All the users of intel_de_*() functions now pass in struct
intel_display, and we can remove the __to_intel_display() _Generic()
compat wrappers.
Reviewed-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Link: https://lore.kernel.org/r/3aac42eab7b03c791afee940d0a647770afc99c5.1746175756.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Remove the last uses of struct drm_i915_private from intel_hdmi.c, and
drop the dependency on i915_drv.h.
v2: Rebase
Reviewed-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Link: https://lore.kernel.org/r/24183605ac919ca115b1b25fa386643409814c82.1746175756.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Remove the last uses of struct drm_i915_private from intel_dpt_common.c,
and drop the dependency on i915_drv.h.
Reviewed-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Link: https://lore.kernel.org/r/7bc340e05c535479b0f0698372835ba04fd5c8f8.1746175756.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Nothing in intel_hdcp_gsc.c needs linux/err.h. Remove it.
Cc: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://lore.kernel.org/r/26ae2c04554fc8dd76d2fdb0f2b0a63cb1fed98f.1745524803.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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The driver specific HDCP GSC code will eventually be part of the driver
cores rather than display. Remove the struct intel_display references
from them, and pass struct drm_device instead.
Cc: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://lore.kernel.org/r/bf9aa8e44e18eef41e3077a2966935b4e2649b62.1745524803.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Just localize the GSC decision inside intel_hdcp.c, and deduplicate the
conditions.
Cc: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://lore.kernel.org/r/a1d031bfbff7073e576dfe8d3d3d5a28d7bb2c15.1745524803.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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The in/out buffers are just opaque data, and don't need to be considered
u8*. Switching to void* lets us drop a ton of unnecessary casts.
Cc: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://lore.kernel.org/r/ea005adb713e85b797d83204c80de0a2a8e5ab47.1745524803.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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The opaque HDCP GSC context nicely abstracts the differences between
drivers. Pass that instead of struct drm_i915_private or struct
xe_device to intel_hdcp_gsc_msg_send(). We can store the driver specific
data in the context.
This lets us drop the dependency on i915_drv.h from
intel_hdcp_gsc_message.c.
Cc: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://lore.kernel.org/r/df1653212f9014e717701b017e78e0017884b870.1745524803.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Name the functions intel_hdcp_gsc_context_alloc() and
intel_hdcp_gsc_context_free() for consistency.
Cc: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://lore.kernel.org/r/c6e25686ed20b5fdea9a59faf6a64a7312a075b0.1745524803.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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It's really about the context more than about the message.
Cc: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://lore.kernel.org/r/ca0a802a81ba4e96e7c40646a32386d4351d6ff4.1745524803.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Allocate and initialize the HDCP GSC message in
intel_hdcp_gsc_hdcp2_init() as before, but store the pointer to
display->hdcp.hdcp_message in the caller. Similarly, pass in the pointer
to intel_hdcp_gsc_free_message().
Cc: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://lore.kernel.org/r/a74fcc941126bf92d12115b5faf4f75099e26242.1745524803.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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The gsc_hdcp_ops is duplicated and initialized exactly the same way in
two different places (for i915 and xe), and requires forward
declarations for all the hooks. Deduplicate, and make the functions
static.
There are slight differences in the i915 and xe implementations of
intel_hdcp_gsc_init() and intel_hdcp_gsc_fini(). Take the best of both,
and improve.
We need to expose intel_hdcp_gsc_hdcp2_init() and
intel_hdcp_gsc_free_message() for this, and create the latter for xe.
Cc: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://lore.kernel.org/r/21e7871b35d4c7d13f016b5ecb4f10e5be72c531.1745524803.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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intel_hdcp_gsc_msg_send() and intel_hdcp_gsc_check_status() are declared
in intel_hdcp_gsc.h.
Cc: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://lore.kernel.org/r/f300d7cdb2af681291df938194f575f05c2c41bc.1745524803.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Workaround recommend use polling method
for pm_demand to finish as to avoid timeout.
v2: Add polling method within pmdemand_wait.
Update error message[Jani]
Signed-off-by: Nemesa Garg <nemesa.garg@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://lore.kernel.org/r/20250416152044.2668249-1-nemesa.garg@intel.com
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Drop the FDO_BUG_URL from the source, and stop suggesting to file bugs
on DPCD backlight issues. We don't do this anywhere else in display,
this isn't a special snowflake.
As a consequence, also drop the dependency on i915_utils.h from
intel_dp_aux_backlight.c.
Acked-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Link: https://lore.kernel.org/r/20250429112534.2121656-1-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Minimum HBlank is programmed to address jitter for high resolutions with
high refresh rates that have small Hblank, specifically where Hblank is
smaller than one MTP.
TODO: Add the min_hblank calculation for hdmi as well.
v2: move from intel_audio.c to intel_dp.c
some correction in link_bpp_x16 (Imre)
v3: min_hblank for 8b/10b MST and 128b/132b SST/MST
handle error for intel_dp_mst_dsc_get_slice_count
reset min_hblank before disabling transcoder (Imre)
v4: compute link_bpp_x16 within compute_min_hblank,
return error in case of compute failure
call compute_min_hblank() before vrr_compute_config (Imre)
v5: readout MIN_HBLAN reg for Xe3+
Signed-off-by: Arun R Murthy <arun.r.murthy@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://lore.kernel.org/r/20250424-hblank-v7-2-8b002f1506cc@intel.com
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i915/pch reports a warning on a mini PC which has a CoffeeLake-S GT2
[UHD Graphics 630] [8086:3e92] and an ISA bridge - H110 LPC Controller
[8086:a143].
[5.608723] i915 0000:00:02.0: [drm] Found coffeelake (device ID 3e92) integrated display version 9.00 stepping N/A
[5.608969] ------------[ cut here ]------------
[5.608972] i915 0000:00:02.0: [drm] drm_WARN_ON(!display->platform.skylake && !display->platform.kabylake)
[5.608995] WARNING: CPU: 3 PID: 440 at drivers/gpu/drm/i915/display/intel_pch.c:126 intel_pch_type+0x1af/0xae0 [i915]
[5.609317] CPU: 3 UID: 0 PID: 440 Comm: (udev-worker) Not tainted 6.15.0-rc3-drm-tip-2fa6469c618d #3 PREEMPT(voluntary)
Signed-off-by: Jiajia Liu <liujiajia@kylinos.cn>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://lore.kernel.org/r/20250423073730.585181-1-liujiajia@kylinos.cn
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Following the convention, convert intel_hdmi.c to use an intel_connector
pointer everywhere, calling this pointer connector. If the intel
connector must be casted from a drm_connector, call this pointer
_connector and use this pointer only for the casting.
v2: Use for_each_new_intel_connector_in_state(). (Jani)
Cc: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://lore.kernel.org/r/20250428134716.3396802-3-imre.deak@intel.com
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Following the convention, convert intel_dp.c to use an intel_connector
pointer everywhere, calling this pointer connector. If the intel
connector must be casted from a drm_connector, call this pointer
_connector and use this pointer only for the casting.
v2: Use for_each_intel_connector_iter(). (Jani)
Cc: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://lore.kernel.org/r/20250428134716.3396802-2-imre.deak@intel.com
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Logical place for PSR workaround needing vblank delay is in
intel_psr_min_vblank_delay. Move it there.
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Arun R Murthy <arun.r.murthy@intel.com>
Link: https://lore.kernel.org/r/20250423102704.1368310-2-jouni.hogander@intel.com
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To deterministically capture the transition of the state machine going from
SRDOFFACK to IDLE, the delayed V. Blank should be at least one line after
the non-delayed V. Blank.
Ensure this by adding new interface into intel_psr to query number of lines
needed for vblank delay and call it from intel_crtc_vblank_delay.
v3: use existing intel_crtc_vblank_delay mechanism
v2: apply limits only when needed (VRR TG vs. Legacy TG)
Bspec: 69897
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Arun R Murthy <arun.r.murthy@intel.com>
Link: https://lore.kernel.org/r/20250423102704.1368310-1-jouni.hogander@intel.com
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Currently, only EDP supports alpm. So, check for alpm support and prevent
the DP connector from accessing the alpm register if doing so is unsupported.
Fixes: acff6d6bded3 ("drm/i915/lobf: Add mutex for alpm update")
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Link: https://lore.kernel.org/r/20250425132107.2926759-1-animesh.manna@intel.com
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