Merge tag 'drm-next-2025-10-01' of https://gitlab.freedesktop.org/drm/kernel

Pull drm updates from Dave Airlie:
 "cross-subsystem:
   - i2c-hid: Make elan touch controllers power on after panel is
     enabled
   - dt bindings for STM32MP25 SoC
   - pci vgaarb: use screen_info helpers
   - rust pin-init updates
   - add MEI driver for late binding firmware update/load

  uapi:
   - add ioctl for reassigning GEM handles
   - provide boot_display attribute on boot-up devices

  core:
   - document DRM_MODE_PAGE_FLIP_EVENT
   - add vendor specific recovery method to drm device wedged uevent

  gem:
   - Simplify gpuvm locking

  ttm:
   - add interface to populate buffers

  sched:
   - Fix race condition in trace code

  atomic:
   - Reallow no-op async page flips

  display:
   - dp: Fix command length

  video:
   - Improve pixel-format handling for struct screen_info

  rust:
   - drop Opaque<> from ioctl args
   - Alloc:
       - BorrowedPage type and AsPageIter traits
       - Implement Vmalloc::to_page() and VmallocPageIter
   - DMA/Scatterlist:
       - Add dma::DataDirection and type alias for dma_addr_t
       - Abstraction for struct scatterlist and sg_table
   - DRM:
       - simplify use of generics
       - add DriverFile type alias
       - drop Object::SIZE
   - Rust:
       - pin-init tree merge
       - Various methods for AsBytes and FromBytes traits

  gpuvm:
   - Support madvice in Xe driver

  gpusvm:
   - fix hmm_pfn_to_map_order usage in gpusvm

  bridge:
   - Improve and fix ref counting on bridge management
   - cdns-dsi: Various improvements to mode setting
   - Support Solomon SSD2825 plus DT bindings
   - Support Waveshare DSI2DPI plus DT bindings
   - Support Content Protection property
   - display-connector: Improve DP display detection
   - Add support for Radxa Ra620 plus DT bindings
   - adv7511: Provide SPD and HDMI infoframes
   - it6505: Replace crypto_shash with sha()
   - synopsys: Add support for DW DPTX Controller plus DT bindings
   - adv7511: Write full Audio infoframe
   - ite6263: Support vendor-specific infoframes
   - simple: Add support for Realtek RTD2171 DP-to-HDMI plus DT bindings

  panel:
   - panel-edp: Support mt8189 Chromebooks; Support BOE NV140WUM-N64;
     Support SHP LQ134Z1; Fixes
   - panel-simple: Support Olimex LCD-OLinuXino-5CTS plus DT bindings
   - Support Samsung AMS561RA01
   - Support Hydis HV101HD1 plus DT bindings
   - ilitek-ili9881c: Refactor mode setting; Add support for Bestar
     BSD1218-A101KL68 LCD plus DT bindings
   - lvds: Add support for Ampire AMP19201200B5TZQW-T03 to DT bindings
   - edp: Add support for additonal mt8189 Chromebook panels
   - lvds: Add DT bindings for EDT ETML0700Z8DHA

  amdgpu:
   - add CRIU support for gem objects
   - RAS updates
   - VCN SRAM load fixes
   - EDID read fixes
   - eDP ALPM support
   - Documentation updates
   - Rework PTE flag generation
   - DCE6 fixes
   - VCN devcoredump cleanup
   - MMHUB client id fixes
   - VCN 5.0.1 RAS support
   - SMU 13.0.x updates
   - Expanded PCIe DPC support
   - Expanded VCN reset support
   - VPE per queue reset support
   - give kernel jobs unique id for tracing
   - pre-populate exported buffers
   - cyan skillfish updates
   - make vbios build number available in sysfs
   - userq updates
   - HDCP updates
   - support MMIO remap page as ttm pool
   - JPEG parser updates
   - DCE6 DC updates
   - use devm for i2c buses
   - GPUVM locking updates
   - Drop non-DC DCE11 code
   - improve fallback handling for pixel encoding

  amdkfd:
   - SVM/page migration fixes
   - debugfs fixes
   - add CRIO support for gem objects
   - SVM updates

  radeon:
   - use dev_warn_once in CS parsers

  xe:
   - add madvise interface
   - add DRM_IOCTL_XE_VM_QUERY_MEMORY_RANGE_ATTRS to query VMA count
     and memory attributes
   - drop L# bank mask reporting from media GT3 on Xe3+.
   - add SLPC power_profile sysfs interface
   - add configs attribs to add post/mid context-switch commands
   - handle firmware reported hardware errors notifying userspace with
     device wedged uevent
   - use same dir structure across sysfs/debugfs
   - cleanup and future proof vram region init
   - add G-states and PCI link states to debugfs
   - Add SRIOV support for CCS surfaces on Xe2+
   - Enable SRIOV PF mode by default on supported platforms
   - move flush to common code
   - extended core workarounds for Xe2/3
   - use DRM scheduler for delayed GT TLB invalidations
   - configs improvements and allow VF device enablement
   - prep work to expose mmio regions to userspace
   - VF migration support added
   - prepare GPU SVM for THP migration
   - start fixing XE_PAGE_SIZE vs PAGE_SIZE
   - add PSMI support for hw validation
   - resize VF bars to max possible size according to number of VFs
   - Ensure GT is in C0 during resume
   - pre-populate exported buffers
   - replace xe_hmm with gpusvm
   - add more SVM GT stats to debugfs
   - improve fake pci and WA kunnit handle for new platform testing
   - Test GuC to GuC comms to add debugging
   - use attribute groups to simplify sysfs registration
   - add Late Binding firmware code to interact with MEI

  i915:
   - apply multiple JSL/EHL/Gen7/Gen6 workarounds properly
   - protect against overflow in active_engine()
   - Use try_cmpxchg64() in __active_lookup()
   - include GuC registers in error state
   - get rid of dev->struct_mutex
   - iopoll: generalize read_poll_timout
   - lots more display refactoring
   - Reject HBR3 in any eDP Panel
   - Prune modes for YUV420
   - Display Wa fix, additions, and updates
   - DP: Fix 2.7 Gbps link training on g4x
   - DP: Adjust the idle pattern handling
   - DP: Shuffle the link training code a bit
   - Don't set/read the DSI C clock divider on GLK
   - Enable_psr kernel parameter changes
   - Type-C enabled/disconnected dp-alt sink
   - Wildcat Lake enabling
   - DP HDR updates
   - DRAM detection
   - wait PSR idle on dsb commit
   - Remove FBC modulo 4 restriction for ADL-P+
   - panic: refactor framebuffer allocation

  habanalabs:
   - debug/visibility improvements
   - vmalloc-backed coherent mmap support
   - HLDIO infrastructure

  nova-core:
   - various register!() macro improvements
   - minor vbios/firmware fixes/refactoring
   - advance firmware boot stages; process Booter and patch signatures
   - process GSP and GSP bootloader
   - Add r570.144 firmware bindings and update to it
   - Move GSP boot code to own module
   - Use new pin-init features to store driver's private data in a
     single allocation
   - Update ARef import from sync::aref

  nova-drm:
   - Update ARef import from sync::aref

  tyr:
   - initial driver skeleton for a rust driver for ARM Mali GPUs
   - capable of powering up, query metadata and provide it to userspace.

  msm:
   - GPU and Core:
      - in DT bindings describe clocks per GPU type
      - GMU bandwidth voting for x1-85
      - a623/a663 speedbins
      - cleanup some remaining no-iommu leftovers after VM_BIND conversion
      - fix GEM obj 32b size truncation
      - add missing VM_BIND param validation
      - IFPC for x1-85 and a750
      - register xml and gen_header.py sync from mesa
   - Display:
      - add missing bindings for display on SC8180X
      - added DisplayPort MST bindings
      - conversion from round_rate() to determine_rate()

  amdxdna:
   - add IOCTL_AMDXDNA_GET_ARRAY
   - support user space allocated buffers
   - streamline PM interfaces
   - Refactoring wrt. hardware contexts
   - improve error reporting

  nouveau:
   - use GSP firmware by default
   - improve error reporting
   - Pre-populate exported buffers

  ast:
   - Clean up detection of DRAM config

  exynos:
   - add DSIM bridge driver support for Exynos7870
   - Document Exynos7870 DSIM compatible in dt-binding

  panthor:
   - Print task/pid on errors
   - Add support for Mali G710, G510, G310, Gx15, Gx20, Gx25
   - Improve cache flushing
   - Fail VM bind if BO has offset

  renesas:
   - convert to RUNTIME_PM_OPS

  rcar-du:
   - Make number of lanes configurable
   - Use RUNTIME_PM_OPS
   - Add support for DSI commands

  rocket:
   - Add driver for Rockchip NPU plus DT bindings
   - Use kfree() and sizeof() correctly
   - Test DMA status

  rockchip:
   - dsi2: Add support for RK3576 plus DT bindings
   - Add support for RK3588 DPTX output

  tidss:
   - Use crtc_ fields for programming display mode
   - Remove other drivers from aperture

  pixpaper:
   - Add support for Mayqueen Pixpaper plus DT bindings

  v3d:
   - Support querying nubmer of GPU resets for KHR_robustness

  stm:
   - Clean up logging
   - ltdc: Add support support for STM32MP257F-EV1 plus DT bindings

  sitronix:
   - st7571-i2c: Add support for inverted displays and 2-bit grayscale

  tidss:
   - Convert to kernel's FIELD_ macros

  vesadrm:
   - Support 8-bit palette mode

  imagination:
   - Improve power management
   - Add support for TH1520 GPU
   - Support Risc-V architectures

  v3d:
   - Improve job management and locking

  vkms:
   - Support variants of ARGB8888, ARGB16161616, RGB565, RGB888 and P01x
   - Spport YUV with 16-bit components"

* tag 'drm-next-2025-10-01' of https://gitlab.freedesktop.org/drm/kernel: (1455 commits)
  drm/amd: Add name to modes from amdgpu_connector_add_common_modes()
  drm/amd: Drop some common modes from amdgpu_connector_add_common_modes()
  drm/amdgpu: update MODULE_PARM_DESC for freesync_video
  drm/amd: Use dynamic array size declaration for amdgpu_connector_add_common_modes()
  drm/amd/display: Share dce100_validate_global with DCE6-8
  drm/amd/display: Share dce100_validate_bandwidth with DCE6-8
  drm/amdgpu: Fix fence signaling race condition in userqueue
  amd/amdkfd: enhance kfd process check in switch partition
  amd/amdkfd: resolve a race in amdgpu_amdkfd_device_fini_sw
  drm/amd/display: Reject modes with too high pixel clock on DCE6-10
  drm/amd: Drop unnecessary check in amdgpu_connector_add_common_modes()
  drm/amd/display: Only enable common modes for eDP and LVDS
  drm/amdgpu: remove the redeclaration of variable i
  drm/amdgpu/userq: assign an error code for invalid userq va
  drm/amdgpu: revert "rework reserved VMID handling" v2
  drm/amdgpu: remove leftover from enforcing isolation by VMID
  drm/amdgpu: Add fallback to pipe reset if KCQ ring reset fails
  accel/habanalabs: add Infineon version check
  accel/habanalabs/gaudi2: read preboot status after recovering from dirty state
  accel/habanalabs: add HL_GET_P_STATE passthrough type
  ...

1 files changed, 205 insertions, 34 deletions

diff --git a/rust/pin-init/src/macros.rs b/rust/pin-init/src/macros.rs
index 9ced630737b8..d6acf2cd291e 100644
--- a/rust/pin-init/src/macros.rs
+++ b/rust/pin-init/src/macros.rs
@@ -831,6 +831,17 @@ macro_rules! __pin_data {
             $($fields)*
         }
 
+        $crate::__pin_data!(make_pin_projections:
+            @vis($vis),
+            @name($name),
+            @impl_generics($($impl_generics)*),
+            @ty_generics($($ty_generics)*),
+            @decl_generics($($decl_generics)*),
+            @where($($whr)*),
+            @pinned($($pinned)*),
+            @not_pinned($($not_pinned)*),
+        );
+
         // We put the rest into this const item, because it then will not be accessible to anything
         // outside.
         const _: () = {
@@ -980,6 +991,56 @@ macro_rules! __pin_data {
             stringify!($($rest)*),
         );
     };
+    (make_pin_projections:
+        @vis($vis:vis),
+        @name($name:ident),
+        @impl_generics($($impl_generics:tt)*),
+        @ty_generics($($ty_generics:tt)*),
+        @decl_generics($($decl_generics:tt)*),
+        @where($($whr:tt)*),
+        @pinned($($(#[$($p_attr:tt)*])* $pvis:vis $p_field:ident : $p_type:ty),* $(,)?),
+        @not_pinned($($(#[$($attr:tt)*])* $fvis:vis $field:ident : $type:ty),* $(,)?),
+    ) => {
+        $crate::macros::paste! {
+            #[doc(hidden)]
+            $vis struct [< $name Projection >] <'__pin, $($decl_generics)*> {
+                $($(#[$($p_attr)*])* $pvis $p_field : ::core::pin::Pin<&'__pin mut $p_type>,)*
+                $($(#[$($attr)*])* $fvis $field : &'__pin mut $type,)*
+                ___pin_phantom_data: ::core::marker::PhantomData<&'__pin mut ()>,
+            }
+
+            impl<$($impl_generics)*> $name<$($ty_generics)*>
+            where $($whr)*
+            {
+                /// Pin-projects all fields of `Self`.
+                ///
+                /// These fields are structurally pinned:
+                $(#[doc = ::core::concat!(" - `", ::core::stringify!($p_field), "`")])*
+                ///
+                /// These fields are **not** structurally pinned:
+                $(#[doc = ::core::concat!(" - `", ::core::stringify!($field), "`")])*
+                #[inline]
+                $vis fn project<'__pin>(
+                    self: ::core::pin::Pin<&'__pin mut Self>,
+                ) -> [< $name Projection >] <'__pin, $($ty_generics)*> {
+                    // SAFETY: we only give access to `&mut` for fields not structurally pinned.
+                    let this = unsafe { ::core::pin::Pin::get_unchecked_mut(self) };
+                    [< $name Projection >] {
+                        $(
+                            // SAFETY: `$p_field` is structurally pinned.
+                            $(#[$($p_attr)*])*
+                            $p_field : unsafe { ::core::pin::Pin::new_unchecked(&mut this.$p_field) },
+                        )*
+                        $(
+                            $(#[$($attr)*])*
+                            $field : &mut this.$field,
+                        )*
+                        ___pin_phantom_data: ::core::marker::PhantomData,
+                    }
+                }
+            }
+        }
+    };
     (make_pin_data:
         @pin_data($pin_data:ident),
         @impl_generics($($impl_generics:tt)*),
@@ -988,38 +1049,56 @@ macro_rules! __pin_data {
         @pinned($($(#[$($p_attr:tt)*])* $pvis:vis $p_field:ident : $p_type:ty),* $(,)?),
         @not_pinned($($(#[$($attr:tt)*])* $fvis:vis $field:ident : $type:ty),* $(,)?),
     ) => {
-        // For every field, we create a projection function according to its projection type. If a
-        // field is structurally pinned, then it must be initialized via `PinInit`, if it is not
-        // structurally pinned, then it can be initialized via `Init`.
-        //
-        // The functions are `unsafe` to prevent accidentally calling them.
-        #[allow(dead_code)]
-        #[expect(clippy::missing_safety_doc)]
-        impl<$($impl_generics)*> $pin_data<$($ty_generics)*>
-        where $($whr)*
-        {
-            $(
-                $(#[$($p_attr)*])*
-                $pvis unsafe fn $p_field<E>(
-                    self,
-                    slot: *mut $p_type,
-                    init: impl $crate::PinInit<$p_type, E>,
-                ) -> ::core::result::Result<(), E> {
-                    // SAFETY: TODO.
-                    unsafe { $crate::PinInit::__pinned_init(init, slot) }
-                }
-            )*
-            $(
-                $(#[$($attr)*])*
-                $fvis unsafe fn $field<E>(
-                    self,
-                    slot: *mut $type,
-                    init: impl $crate::Init<$type, E>,
-                ) -> ::core::result::Result<(), E> {
-                    // SAFETY: TODO.
-                    unsafe { $crate::Init::__init(init, slot) }
-                }
-            )*
+        $crate::macros::paste! {
+            // For every field, we create a projection function according to its projection type. If a
+            // field is structurally pinned, then it must be initialized via `PinInit`, if it is not
+            // structurally pinned, then it can be initialized via `Init`.
+            //
+            // The functions are `unsafe` to prevent accidentally calling them.
+            #[allow(dead_code)]
+            #[expect(clippy::missing_safety_doc)]
+            impl<$($impl_generics)*> $pin_data<$($ty_generics)*>
+            where $($whr)*
+            {
+                $(
+                    $(#[$($p_attr)*])*
+                    $pvis unsafe fn $p_field<E>(
+                        self,
+                        slot: *mut $p_type,
+                        init: impl $crate::PinInit<$p_type, E>,
+                    ) -> ::core::result::Result<(), E> {
+                        // SAFETY: TODO.
+                        unsafe { $crate::PinInit::__pinned_init(init, slot) }
+                    }
+
+                    $(#[$($p_attr)*])*
+                    $pvis unsafe fn [<__project_ $p_field>]<'__slot>(
+                        self,
+                        slot: &'__slot mut $p_type,
+                    ) -> ::core::pin::Pin<&'__slot mut $p_type> {
+                        ::core::pin::Pin::new_unchecked(slot)
+                    }
+                )*
+                $(
+                    $(#[$($attr)*])*
+                    $fvis unsafe fn $field<E>(
+                        self,
+                        slot: *mut $type,
+                        init: impl $crate::Init<$type, E>,
+                    ) -> ::core::result::Result<(), E> {
+                        // SAFETY: TODO.
+                        unsafe { $crate::Init::__init(init, slot) }
+                    }
+
+                    $(#[$($attr)*])*
+                    $fvis unsafe fn [<__project_ $field>]<'__slot>(
+                        self,
+                        slot: &'__slot mut $type,
+                    ) -> &'__slot mut $type {
+                        slot
+                    }
+                )*
+            }
         }
     };
 }
@@ -1202,6 +1281,21 @@ macro_rules! __init_internal {
         // have been initialized. Therefore we can now dismiss the guards by forgetting them.
         $(::core::mem::forget($guards);)*
     };
+    (init_slot($($use_data:ident)?):
+        @data($data:ident),
+        @slot($slot:ident),
+        @guards($($guards:ident,)*),
+        // arbitrary code block
+        @munch_fields(_: { $($code:tt)* }, $($rest:tt)*),
+    ) => {
+        { $($code)* }
+        $crate::__init_internal!(init_slot($($use_data)?):
+            @data($data),
+            @slot($slot),
+            @guards($($guards,)*),
+            @munch_fields($($rest)*),
+        );
+    };
     (init_slot($use_data:ident): // `use_data` is present, so we use the `data` to init fields.
         @data($data:ident),
         @slot($slot:ident),
@@ -1216,6 +1310,13 @@ macro_rules! __init_internal {
         // return when an error/panic occurs.
         // We also use the `data` to require the correct trait (`Init` or `PinInit`) for `$field`.
         unsafe { $data.$field(::core::ptr::addr_of_mut!((*$slot).$field), init)? };
+        // SAFETY:
+        // - the project function does the correct field projection,
+        // - the field has been initialized,
+        // - the reference is only valid until the end of the initializer.
+        #[allow(unused_variables)]
+        let $field = $crate::macros::paste!(unsafe { $data.[< __project_ $field >](&mut (*$slot).$field) });
+
         // Create the drop guard:
         //
         // We rely on macro hygiene to make it impossible for users to access this local variable.
@@ -1247,6 +1348,14 @@ macro_rules! __init_internal {
         // SAFETY: `slot` is valid, because we are inside of an initializer closure, we
         // return when an error/panic occurs.
         unsafe { $crate::Init::__init(init, ::core::ptr::addr_of_mut!((*$slot).$field))? };
+
+        // SAFETY:
+        // - the field is not structurally pinned, since the line above must compile,
+        // - the field has been initialized,
+        // - the reference is only valid until the end of the initializer.
+        #[allow(unused_variables)]
+        let $field = unsafe { &mut (*$slot).$field };
+
         // Create the drop guard:
         //
         // We rely on macro hygiene to make it impossible for users to access this local variable.
@@ -1265,7 +1374,48 @@ macro_rules! __init_internal {
             );
         }
     };
-    (init_slot($($use_data:ident)?):
+    (init_slot(): // No `use_data`, so all fields are not structurally pinned
+        @data($data:ident),
+        @slot($slot:ident),
+        @guards($($guards:ident,)*),
+        // Init by-value.
+        @munch_fields($field:ident $(: $val:expr)?, $($rest:tt)*),
+    ) => {
+        {
+            $(let $field = $val;)?
+            // Initialize the field.
+            //
+            // SAFETY: The memory at `slot` is uninitialized.
+            unsafe { ::core::ptr::write(::core::ptr::addr_of_mut!((*$slot).$field), $field) };
+        }
+
+        #[allow(unused_variables)]
+        // SAFETY:
+        // - the field is not structurally pinned, since no `use_data` was required to create this
+        //   initializer,
+        // - the field has been initialized,
+        // - the reference is only valid until the end of the initializer.
+        let $field = unsafe { &mut (*$slot).$field };
+
+        // Create the drop guard:
+        //
+        // We rely on macro hygiene to make it impossible for users to access this local variable.
+        // We use `paste!` to create new hygiene for `$field`.
+        $crate::macros::paste! {
+            // SAFETY: We forget the guard later when initialization has succeeded.
+            let [< __ $field _guard >] = unsafe {
+                $crate::__internal::DropGuard::new(::core::ptr::addr_of_mut!((*$slot).$field))
+            };
+
+            $crate::__init_internal!(init_slot():
+                @data($data),
+                @slot($slot),
+                @guards([< __ $field _guard >], $($guards,)*),
+                @munch_fields($($rest)*),
+            );
+        }
+    };
+    (init_slot($use_data:ident):
         @data($data:ident),
         @slot($slot:ident),
         @guards($($guards:ident,)*),
@@ -1279,6 +1429,13 @@ macro_rules! __init_internal {
             // SAFETY: The memory at `slot` is uninitialized.
             unsafe { ::core::ptr::write(::core::ptr::addr_of_mut!((*$slot).$field), $field) };
         }
+        // SAFETY:
+        // - the project function does the correct field projection,
+        // - the field has been initialized,
+        // - the reference is only valid until the end of the initializer.
+        #[allow(unused_variables)]
+        let $field = $crate::macros::paste!(unsafe { $data.[< __project_ $field >](&mut (*$slot).$field) });
+
         // Create the drop guard:
         //
         // We rely on macro hygiene to make it impossible for users to access this local variable.
@@ -1289,7 +1446,7 @@ macro_rules! __init_internal {
                 $crate::__internal::DropGuard::new(::core::ptr::addr_of_mut!((*$slot).$field))
             };
 
-            $crate::__init_internal!(init_slot($($use_data)?):
+            $crate::__init_internal!(init_slot($use_data):
                 @data($data),
                 @slot($slot),
                 @guards([< __ $field _guard >], $($guards,)*),
@@ -1300,6 +1457,20 @@ macro_rules! __init_internal {
     (make_initializer:
         @slot($slot:ident),
         @type_name($t:path),
+        @munch_fields(_: { $($code:tt)* }, $($rest:tt)*),
+        @acc($($acc:tt)*),
+    ) => {
+        // code blocks are ignored for the initializer check
+        $crate::__init_internal!(make_initializer:
+            @slot($slot),
+            @type_name($t),
+            @munch_fields($($rest)*),
+            @acc($($acc)*),
+        );
+    };
+    (make_initializer:
+        @slot($slot:ident),
+        @type_name($t:path),
         @munch_fields(..Zeroable::init_zeroed() $(,)?),
         @acc($($acc:tt)*),
     ) => {