diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-10-23 18:29:02 -1000 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-10-23 18:29:02 -1000 |
| commit | 5b0764a53235d3c77e1ed674e836e1b3fe1a4b1f (patch) | |
| tree | 61666e82efa4901ddb00101ec9d36bab2d0b6662 /include/linux | |
| parent | 17bb0e2f6c8043f70a693a5f3797471cbed354c8 (diff) | |
| parent | fad06cfaf385787b9ffa2f73f049d42dbe1de57f (diff) | |
Merge tag 'drm-next-2026-10-21' of https://gitlab.freedesktop.org/drm/kernel
Pull drm updates from Dave Airlie:
"Highlights:
- core: a lot of atomic refactoring in progress, panic got split into
a core/helpers model
- amdgpu: enables HDMI 2.1 FRL and other good things finally, UAlink
over Ethernet support
- xe: has a bunch of CRI support, ras error for bad vram, memory
offlining support.
- msm: enables a bunch more GPUs.
Otherwise it's a the usual mountain of stuff all over the place.
Details:
rust:
- I/O tree shared with driver-core
- DMA tree shared with driver-core
- allow aux registration data closures to return covariant sub-fields
- Implement Send and Sync for MapleTree
- add pci resource flags and IORESOURCE_MEM_64
drm/rust:
- add dma_fence abstraction
- init DRM registrations and their data in place
- drop unused flags argument to registration
vgaarb:
- rework API to pass a private ptr instead of pci device
sound:
- adapt to omapdrm changes
gem:
- add callback for handle count going to 0
gpusvm:
- share one HMM fault and keep single mappings inline
pagemap:
- Prevent CPU stalls during unbounded pagemap teardown
dma-fence:
- fix docs
vga_switcheroo:
- disconnect from fbcon
- update fbcon from within fbdev emulation
atomic:
- move DRM from state reset callbacks to atomic_create_state
- remove drm_simple_encoder_init
panic:
- split into core and helpers
buddy:
- improve dirty tracking
clients:
- improve vmap handling
- fbdev: Move helpers from drm_kms_helper.ko to drm_client_lib.ko
display:
- export HDMI SCDC status data via debugfs
- rework SCDC for better HDMI 2.0 support
- dp/mst: improve DPCD compliance
edid:
- parse AMD VSDB
- parse ALLM/VRR capabilities
- support detecting panel size
log:
- add drm_warn_ratelimited
sched:
- cleanup interface
- add missing locking
- fix run-queue cleanup
- fix locking
sysfb:
- remove obsolete quirk for Lenovo D330
- fix panel orientation for non-native display modes
- drop drm_class_device_register
colorop:
- provide DRM_COLOR_OP_FIXED_MATRIX
bridge:
- analogix: Support eDP lane mapping
- ti-sn65dsi83: Support LVDS Channel B on SN65DSI84
- Select DRM_PANEL_BRIDGE for various drivers that require it
- add chrontel ch7218a support
panel:
- panel-edp: Support MNE007QS3-F, TM140VDXP15, and KD116N36-30NB-A001
- samsung-s6d16d0: Use mipi_dsi_*_multi() functions
- support Ilitek ILI7836A OLED plus DT bindings
- support Novatek NT36532 plus DT bindings
- convert several drivers to managed cleanup
- fix Kconfig selections
- edp:
- Add support for BOE NV140FHM-T0A
- Support CSOT MNE007QB1-1
- NV140WU2-M70
- ebbg-ft8719: Fix MODULE_LICENSE() string; Improve initialization
- samsung: Share test-key helpers
- ilitek-ili9882t: Support Ilitek IL79600A plus DT bindings
- simple: Support Truly TFT320240-229-E plus DT bindings; Support BOE
DV215FHM-R01 plus DT bindings
- Refactor struct drm_panel to contain struct drm_bridge plus fallout
in various panel drivers
- Add support for BOE Novatek NT51021, Retroid Pocket 6, Raydium
RM69220 DDIC panels, Sharp LQ138P1JX61 eDP, BOE NV140FHD-N43, AUO
B140HAN04.0, AUO 0x0db3, panels.
amdgpu:
- use AMD VSDB for freesync
- implement YUV-to-RGB with fixed-matrix colorop
- enable FRL for HDMI
- HDMI 2.1 freesync support
- HDMI 2.1 ALLM support
- HDMI 2.1 VRR support
- UALoE (UALink over Ethernet) support
- add syncobj_points to userq signal ioctl
- drop unused kunit tests
- NBIO/GC/MMHUB/SMU updates/fixes
- GPU spatial partitioning updates
- display kunit fixes
- userq fixes
- RGB quantization fixes
- DC RMCM refactor
- DP MST fixes
- USB4 fixes
- add new trace events
- Rework display instance handling
- stack frame size fixes for various compilers/configs
- VCN 4/5 reset fixes
- freesync updates
- cursor refactor
- Fix direct scanout alpha on some DRM_FORMATs
- Expand Mac reserved memory workaround
- Make runtime pm more fine grained
amdkfd:
- updates and fixes
- GC 10 CU occupancy support
radeon:
- eDP fix for DCE3.2 iMacs
xe:
- add drm_ras netlink error event support
- add memory page offlining support
- introduce error threshold to drm_ras
- fix stale GTT mappings on unmap
- reject page faults for non-page fault mode scratch VM
- enable CRI package and VRAM temperatures
- introduce cold reset recovery
- handle CRI+ power interval encoding
- VF migration for multi-queue
- handle exec queue teardown after hot unplug
- alerts and controller enabling modifications
- use IBCv3 on PTL
- VRAM health check
- report GT TDR and VM rebind faults using SIGID
- add multi_queue_active_lrca debugfs
- shrinker: Runtime PM reference for non-system memory
- guc: Add simple KLV decoder helpers
- debugfs: Expose per-engine idle status
- Keep walking on SVM eviction failure
- Nuke PTs only after unlinking contested VMAs
- limit sg segment size to PAGE_SIZE on Xen PV
- keep VF LMEM bar size low if no VFs
- CPU binds and ULLS on migration queue
- New PTL PCI ID
- Enable PXP for NVL-S
- Do not dma_fence_put zero fences in err_out path
- Refresh TTM LRU on SVM prefetch
- export device UID in sysfs
i915:
- rename GEN6_PCODE_DATA to match spec
- fix incorrect RCU teardown order
- fix potential UAF in command parsing
- avoid WARN splat during RPS boosting race
- use simpler min functions
- Fixes to make i915 work well with PREEMPT_RT
i915/display:
- Enable CMRR (Content Match Refresh Rate) in fixed-RR VRR path
- Switch DG2 MPLL to DPLL framework
- DP-HDMI PCON DSC fixes
- limit invalid joiner combinations
- CDCLK related fixes and refactor around PCODE integration
- Gate UHBR SST SDP splitting on sink caps
- add HDMI TMDS audio bandwidth check
- vswing/preemph override
- enable AS SDP Skip frames
- Handle negative configuration index on DP link caps for robustness
- Preparation for enabling SDR plane color pipeline
- An eDP quirk for HP Pavilion Plus
- Introduce PME (Power Management Event) support on display hotplug
- Handle VSC SDP revision 7 in unpack
msm:
- CI:
- Dropped sc7180 trogdor lazor from the CI
- Core:
- Fixed msm_ioremap for resources without a name
- Changed msm.separate_gpu_kms to default to auto selection
- GPU:
- Enable CLX (Current Limit eXtension) for gen8 to avoid exceeding
limits on CX/GX rails
- New GPUs: a830 (Pakala), a845 (Maili), a850 (Hawi), x2-85
(Mahua)
- Fix VBIF halt mask on a306, which was preventing runpm suspend
- Enable THP support for GEM buffers
- Add modparam to disable waiting on fences in shrinker
- Drop use of drm_prime_sg_to_page_array()
- a5xx: don't read the GPMU registers on GPUs without a GPMU
- a2xx/a3xx/a5xx: hangcheck progress detection
- a6xx: gmuwrapper runpm fix
- Calculate reported GMEM size based on active slices
- Split a6xx/a7xx/a8xx catalog
- DP:
- Picked up some preparation patches for the MST support
- Fixed reported status of the link training
- DPU:
- Fixed CRTC bandwidth computation
- Fixed DSC programming
- Fixed encoder disablement path
- DSI:
- Fixed VM leak in error path
- Indention fix
- MDP5:
- Added MSM8952 configuration
- Dropped incorrect cursor pipe on MSM8976/56
- HDMI:
- Small fixes
nouveau:
- improve runtime PM on R570 GSP firmware
- various fixes throughout the driver
- dispnv50: support 2.147 GHz pixel clock in GB20x
nova:
- add initial uapi concept
- add initial PRAMIN access support
- add GpuMm centralized memory manager
- add GPU VM and BAR1 support
- add GPU interrupts and GSP events support
- GSP messaging fixes
tyr:
- use bitfield!
- zero unsupported and newly added GPU info fields
- limit doorbell array to 17 entries
exynos:
- FIMD fixes
- Fix clock leak on resume error path
- Fix Sparse warnings by adding missing __iomem annotation
- VIDI cleanup
- Replace kmalloc() and copy_from_user() with memdup_user()
amdxdna:
- fix BO handling
- Support AIE2 rev 9
- Fix UAF access in scheduler fences
- Update workqueue interface
- expose busy time via fdinfo
ast:
- support 256-byte EDID
hyperv_drm:
- remove support for pre win10 hosts
komeda:
- fix GLB_CORE_ID usage
omap:
- report HDMI hotplug events to ASoC HDMI codec
panthor:
- provide gpu_cache_flush tracepoint
- improve dma_fence signalling latency
- improve locking
- export scheduling information via debugfs
- Validate user-space input against firmware limits
qaic:
- reject BOs that exceed maximum page count
- add missing include statements
verisilicon:
- fix hardware cursor offsets
vkms:
- implement YUV-to-RGB with fixed-matrix colorop
gma500:
- avoid unsupported ARGB formats in primary plane
hibmc:
- handle vblank interrupts correctly
ivpu:
- add DRM_IVPU_CAP_CMDQ_SET_PRIORITY
- support command-queue priority ioctl
- Simplify NULL-pointer handling in cleanup code
arcpgu:
- replace simple-display pipeline with regular atomic helpers
aspeed:
- replace simple-display pipeline with regular atomic helpers
gm12u320:
- replace simple-display pipeline with regular atomic helpers
imagination:
- various improvement to firmware interaction
- add job to pvr_job_submit_fw trace event
mali-dp:
- fix runtime PM leak
mcde:
- replace simple-display pipeline with regular atomic helpers
p111:
- replace simple-display pipeline with regular atomic helpers
- drop unsupported alpha formats from primary plane
rcar-du:
- support Renesas R-Car V4H DSC
- dsi: Support larger transfers with AXI memory
- Support RZ/G3L SoC
repaper:
- replace simple-display pipeline with regular atomic helpers
rockchip:
- dsi: improve PHY timings
ssd130x:
- support Solomon SSD1351 OLED plus DT bindings
- ssd133x: upgrade color format to RGB565
- ssd132x: Set correct hardware window when clearing screen
tve200:
- replace simple-display pipeline with regular atomic helpers
xen:
- replace simple-display pipeline with regular atomic helpers
v3d:
- improve job handling under perfmon
vc4:
- reliably reset V3D
- drop brcm,vc4-v3d compatible
virtio:
- fix damage handling
- Support ARGB8888 for virtio primary planes.
host1x:
- Support partitioning
imx:
- Replace simple-display with regular atomic helpers
mxsfb:
- Support bus formats plus DT bindings
tegra:
- improve syncobj handling on submit
panfrost:
- add Mali-G68 support
- improve GPU reset handling
rockchip:
- add HDMI 2.0 support to dw-hdmi-qp
- improve HPD handling"
* tag 'drm-next-2026-10-21' of https://gitlab.freedesktop.org/drm/kernel: (2324 commits)
drm/adp: Switch to drm_atomic_helper_connector_create_state
drm/malidp: Convert to atomic_create_state
drm/vc4: Switch to drm_atomic_helper_connector_create_state
drm/sysfb: Switch to drm_atomic_helper_connector_create_state
drm/solomon: ssd130x: Switch to drm_atomic_helper_connector_create_state
drm/imx: ipuv3: Switch to drm_atomic_helper_connector_create_state
drm/hyperv: Switch to drm_atomic_helper_connector_create_state
drm/bridge: megachips: Switch to drm_atomic_helper_connector_create_state
drm/bridge: lontium-lt8912b: Switch to drm_atomic_helper_connector_create_state
drm/arm: komeda: Switch to drm_atomic_helper_connector_create_state
drm/appletbdrm: Fix incorrect error message on encoder attach failure
drm/sun4i: hdmi: Convert to drmm_connector_hdmi_init()
drm/rockchip: rk3066_hdmi: Advertise HDMI 1.4 capabilities
drm/bridge: lontium-lt9611: Advertise HDMI 1.4 capabilities
drm/bridge: ite-it66121: Advertise HDMI 1.2 capabilities
drm/bridge: ite-it6263: Advertise HDMI 1.3 capabilities
drm/bridge: ite-it6263: Drop redundant .mode_valid hook
drm/bridge: inno-hdmi: Advertise HDMI 1.2 capabilities
drm/bridge: adv7511: Advertise HDMI 1.2 capabilities
drm/sched: Document entity->stopped is protected by entity->lock
...
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/dma-fence.h | 2 | ||||
| -rw-r--r-- | include/linux/gpu_buddy.h | 101 | ||||
| -rw-r--r-- | include/linux/hdmi.h | 12 | ||||
| -rw-r--r-- | include/linux/host1x.h | 51 | ||||
| -rw-r--r-- | include/linux/vga_switcheroo.h | 29 |
5 files changed, 154 insertions, 41 deletions
diff --git a/include/linux/dma-fence.h b/include/linux/dma-fence.h index ffa99b930843..dd07d128adc3 100644 --- a/include/linux/dma-fence.h +++ b/include/linux/dma-fence.h @@ -507,7 +507,7 @@ dma_fence_test_signaled_flag(struct dma_fence *fence) * Returns true if the fence was already signaled, false if not. Since this * function doesn't enable signaling, it is not guaranteed to ever return * true if dma_fence_add_callback(), dma_fence_wait() or - * dma_fence_enable_sw_signaling() haven't been called before. + * dma_fence_enable_signaling() haven't been called before. * * This function requires &dma_fence.lock to be held. * diff --git a/include/linux/gpu_buddy.h b/include/linux/gpu_buddy.h index 2c36124bb696..ddc4eca84175 100644 --- a/include/linux/gpu_buddy.h +++ b/include/linux/gpu_buddy.h @@ -43,8 +43,8 @@ /** * GPU_BUDDY_CLEAR_ALLOCATION - Prefer pre-cleared (zeroed) memory * - * Attempt to allocate from the clear tree first. If insufficient clear - * memory is available, falls back to dirty memory. Useful when the + * Attempt to allocate outside dirty-tracked ranges first. If insufficient + * clear memory is available, falls back to dirty memory. Useful when the * caller needs zeroed memory and wants to avoid GPU clear operations. */ #define GPU_BUDDY_CLEAR_ALLOCATION BIT(3) @@ -53,8 +53,8 @@ * GPU_BUDDY_CLEARED - Mark returned blocks as cleared * * Used with gpu_buddy_free_list() to indicate that the memory being - * freed has been cleared (zeroed). The blocks will be placed in the - * clear tree for future GPU_BUDDY_CLEAR_ALLOCATION requests. + * freed has been cleared (zeroed). The blocks will be removed from the + * dirty tracker for future GPU_BUDDY_CLEAR_ALLOCATION requests. */ #define GPU_BUDDY_CLEARED BIT(4) @@ -67,15 +67,17 @@ */ #define GPU_BUDDY_TRIM_DISABLE BIT(5) -enum gpu_buddy_free_tree { - GPU_BUDDY_CLEAR_TREE = 0, - GPU_BUDDY_DIRTY_TREE, - GPU_BUDDY_MAX_FREE_TREES, +/* + * Clear/dirty state of a free block. Ordered so a numerically larger value + * is "more clear" (DIRTY < MIXED < CLEAR) which lets subtree_block_state be + * maintained as a simple max-augment over the per-order free tree. + */ +enum gpu_block_state { + GPU_BLOCK_DIRTY = 0, + GPU_BLOCK_MIXED = 1, + GPU_BLOCK_CLEAR = 2, }; -#define for_each_free_tree(tree) \ - for ((tree) = 0; (tree) < GPU_BUDDY_MAX_FREE_TREES; (tree)++) - /** * struct gpu_buddy_block - Block within a buddy allocator * @@ -103,6 +105,13 @@ struct gpu_buddy_block { #define GPU_BUDDY_ALLOCATED (1 << 10) #define GPU_BUDDY_FREE (2 << 10) #define GPU_BUDDY_SPLIT (3 << 10) +/* + * GPU_BUDDY_HEADER_CLEAR has two roles: + * - FREE state: set when the block's full range is cleared (dirty + * tracker confirmed no overlap). + * - ALLOCATED state: set when the block was served from cleared memory, + * informing the caller that no GPU clear pass is needed. + */ #define GPU_BUDDY_HEADER_CLEAR GENMASK_ULL(9, 9) /* Free to be used, if needed in the future */ #define GPU_BUDDY_HEADER_UNUSED GENMASK_ULL(8, 6) @@ -128,14 +137,45 @@ struct gpu_buddy_block { struct list_head link; }; /* private: */ - struct list_head tmp_link; + enum gpu_block_state subtree_block_state; unsigned int subtree_max_alignment; + struct list_head tmp_link; + bool has_clear; }; /* Order-zero must be at least SZ_4K */ #define GPU_BUDDY_MAX_ORDER (63 - 12) /** + * struct gpu_dirty_extent - a contiguous dirty address range + * + * Tracks a single contiguous address range whose memory content is known + * to be dirty. Extents are non-overlapping and stored in an augmented + * red-black tree sorted by @start. The augmented value @subtree_max_size + * allows O(log N) search for an extent of at least a given size. + */ +struct gpu_dirty_extent { +/* private: */ + struct rb_node rb; + u64 start; + u64 end; + u64 subtree_max_size; +}; + +/** + * struct gpu_dirty_tracker - tracks dirty address intervals + * + * Maintains a set of non-overlapping dirty extents as an augmented + * red-black tree. + */ +struct gpu_dirty_tracker { +/* private: */ + struct rb_root root; + /* Total bytes of dirty memory currently tracked. */ + u64 total_dirty; +}; + +/** * struct gpu_buddy - GPU binary buddy allocator * * The buddy allocator provides efficient power-of-two memory allocation @@ -152,20 +192,21 @@ struct gpu_buddy_block { * @chunk_size: Minimum allocation granularity in bytes. Must be at least SZ_4K. * @size: Total size of the address space managed by this allocator in bytes. * @avail: Total free space currently available for allocation in bytes. - * @clear_avail: Free space available in the clear tree (zeroed memory) in bytes. - * This is a subset of @avail. * @lock_dep_map: Annotates gpu_buddy API with a driver provided lock. */ struct gpu_buddy { /* private: */ + /* Tracker of dirty address ranges (decoupled from free_tree). */ + struct gpu_dirty_tracker dirty; /* - * Array of red-black trees for free block management. - * Indexed as free_trees[clear/dirty][order] where: - * - Index 0 (GPU_BUDDY_CLEAR_TREE): blocks with zeroed content - * - Index 1 (GPU_BUDDY_DIRTY_TREE): blocks with unknown content - * Each tree holds free blocks of the corresponding order. + * One RB-tree per order containing all free blocks (clear and + * dirty alike). The augment field subtree_block_state (a max over + * the subtree of each block's state) lets clear allocations + * find the right-most fully-clear or mixed block in O(log N). + * Dirty free blocks coexist here but are also indexed by the + * @dirty tracker for fast dirty allocation lookups. */ - struct rb_root **free_trees; + struct rb_root *free_tree; /* * Array of root blocks representing the top-level blocks of the * binary tree(s). Multiple roots exist when the total size is not @@ -194,7 +235,6 @@ struct gpu_buddy { u64 chunk_size; u64 size; u64 avail; - u64 clear_avail; #ifdef CONFIG_LOCKDEP struct lockdep_map *lock_dep_map; #endif @@ -226,17 +266,32 @@ struct gpu_buddy { * * Ensure driver lock is held. */ -static inline void gpu_buddy_driver_lock_held(struct gpu_buddy *mm) +static inline void gpu_buddy_driver_lock_held(const struct gpu_buddy *mm) { if (mm->lock_dep_map) lockdep_assert(lock_is_held_type(mm->lock_dep_map, 0)); } #else -static inline void gpu_buddy_driver_lock_held(struct gpu_buddy *mm) +static inline void gpu_buddy_driver_lock_held(const struct gpu_buddy *mm) { } #endif +/** + * gpu_buddy_clear_avail - free space that is clear (zeroed), in bytes + * @mm: gpu buddy allocator + * + * A subset of @mm->avail. Derived on demand as @mm->avail minus the bytes + * the dirty tracker records as dirty, so it is always consistent with the + * tracker without a cached field to keep in sync. Zero for a fresh pool, + * which is fully dirty. + */ +static inline u64 gpu_buddy_clear_avail(const struct gpu_buddy *mm) +{ + gpu_buddy_driver_lock_held(mm); + return mm->avail - mm->dirty.total_dirty; +} + static inline u64 gpu_buddy_block_offset(const struct gpu_buddy_block *block) { diff --git a/include/linux/hdmi.h b/include/linux/hdmi.h index 8dab78e1f61b..b80a5ee63bb2 100644 --- a/include/linux/hdmi.h +++ b/include/linux/hdmi.h @@ -27,6 +27,18 @@ #include <linux/types.h> #include <linux/device.h> +enum hdmi_version { + HDMI_VERSION_UNKNOWN, + HDMI_VERSION_1_0, + HDMI_VERSION_1_1, + HDMI_VERSION_1_2, + HDMI_VERSION_1_3, + HDMI_VERSION_1_4, + HDMI_VERSION_2_0, + HDMI_VERSION_2_1, + HDMI_VERSION_2_2, +}; + enum hdmi_packet_type { HDMI_PACKET_TYPE_NULL = 0x00, HDMI_PACKET_TYPE_AUDIO_CLOCK_REGEN = 0x01, diff --git a/include/linux/host1x.h b/include/linux/host1x.h index a7a675783136..e7ba601b2afb 100644 --- a/include/linux/host1x.h +++ b/include/linux/host1x.h @@ -237,6 +237,8 @@ void host1x_syncpt_release_vblank_reservation(struct host1x_client *client, struct dma_fence *host1x_fence_create(struct host1x_syncpt *sp, u32 threshold, bool timeout); void host1x_fence_cancel(struct dma_fence *fence); +int host1x_fence_extract(struct dma_fence *fence, struct host1x **host1x, + u32 *id, u32 *threshold); /* * host1x channel @@ -465,13 +467,26 @@ int host1x_client_resume(struct host1x_client *client); struct host1x_memory_context { struct host1x *host; + struct device *dev; /* Owning engine */ + struct pid *pid; + refcount_t ref; - struct pid *owner; + bool static_alloc; - struct device_dma_parameters dma_parms; - struct device dev; - u64 dma_mask; - u32 stream_id; + struct host1x_hw_memory_context *hw; + struct list_head entry; /* Entry in hw_memory_context's list */ + struct list_head mappings; /* List of mappings */ +}; + +struct host1x_context_mapping { + struct host1x *host; + + struct host1x_bo_mapping *mapping; + + struct host1x_bo *bo; + enum dma_data_direction direction; + + struct list_head entry; }; #ifdef CONFIG_IOMMU_API @@ -480,6 +495,12 @@ struct host1x_memory_context *host1x_memory_context_alloc(struct host1x *host1x, struct pid *pid); void host1x_memory_context_get(struct host1x_memory_context *cd); void host1x_memory_context_put(struct host1x_memory_context *cd); +int host1x_memory_context_active(struct host1x_memory_context *cd); +void host1x_memory_context_inactive(struct host1x_memory_context *cd); +struct host1x_context_mapping *host1x_memory_context_map(struct host1x_memory_context *ctx, + struct host1x_bo *bo, + enum dma_data_direction direction); +void host1x_memory_context_unmap(struct host1x_context_mapping *m); #else static inline struct host1x_memory_context *host1x_memory_context_alloc(struct host1x *host1x, struct device *dev, @@ -495,6 +516,26 @@ static inline void host1x_memory_context_get(struct host1x_memory_context *cd) static inline void host1x_memory_context_put(struct host1x_memory_context *cd) { } + +static inline int host1x_memory_context_active(struct host1x_memory_context *cd) +{ + return -ENODEV; +} + +static inline void host1x_memory_context_inactive(struct host1x_memory_context *cd) +{ +} + +static inline struct host1x_context_mapping * +host1x_memory_context_map(struct host1x_memory_context *ctx, struct host1x_bo *bo, + enum dma_data_direction direction) +{ + return ERR_PTR(-ENODEV); +} + +static inline void host1x_memory_context_unmap(struct host1x_context_mapping *m) +{ +} #endif #endif diff --git a/include/linux/vga_switcheroo.h b/include/linux/vga_switcheroo.h index 7e6ac0114d55..d7eee65664ab 100644 --- a/include/linux/vga_switcheroo.h +++ b/include/linux/vga_switcheroo.h @@ -31,8 +31,12 @@ #ifndef _LINUX_VGA_SWITCHEROO_H_ #define _LINUX_VGA_SWITCHEROO_H_ -#include <linux/fb.h> +#include <linux/errno.h> +#include <linux/types.h> +struct device; +struct dev_pm_domain; +struct fb_info; struct pci_dev; /** @@ -127,23 +131,28 @@ struct vga_switcheroo_handler { * @set_gpu_state: do the equivalent of suspend/resume for the card. * Mandatory. This should not cut power to the discrete GPU, * which is the job of the handler - * @reprobe: poll outputs. - * Optional. This gets called after waking the GPU and switching - * the outputs to it * @can_switch: check if the device is in a position to switch now. * Mandatory. The client should return false if a user space process * has one of its device files open + * @pre_switch: prepare switch + * Optional. This gets called before switching the outputs to the + * GPU. Allows drivers to prepare for the switch. + * @post_switch: completes switch + * Optional. This gets called after waking the GPU and switching + * the outputs to it. Allows drivers to poll the switched outputs. * @gpu_bound: notify the client id to audio client when the GPU is bound. * * Client callbacks. A client can be either a GPU or an audio device on a GPU. - * The @set_gpu_state and @can_switch methods are mandatory, @reprobe may be - * set to NULL. For audio clients, the @reprobe member is bogus. - * OTOH, @gpu_bound is only for audio clients, and not used for GPU clients. + * The @set_gpu_state and @can_switch methods are mandatory, @pre_switch and + * @post_switch may be set to NULL. For audio clients, the @pre_switch and + * @post_switch members are bogus. OTOH, @gpu_bound is only for audio clients, + * and not used for GPU clients. */ struct vga_switcheroo_client_ops { void (*set_gpu_state)(struct pci_dev *dev, enum vga_switcheroo_state); - void (*reprobe)(struct pci_dev *dev); bool (*can_switch)(struct pci_dev *dev); + void (*pre_switch)(struct pci_dev *dev); + void (*post_switch)(struct pci_dev *dev); void (*gpu_bound)(struct pci_dev *dev, enum vga_switcheroo_client_id); }; @@ -156,9 +165,6 @@ int vga_switcheroo_register_audio_client(struct pci_dev *pdev, const struct vga_switcheroo_client_ops *ops, struct pci_dev *vga_dev); -void vga_switcheroo_client_fb_set(struct pci_dev *dev, - struct fb_info *info); - int vga_switcheroo_register_handler(const struct vga_switcheroo_handler *handler, enum vga_switcheroo_handler_flags_t handler_flags); void vga_switcheroo_unregister_handler(void); @@ -178,7 +184,6 @@ void vga_switcheroo_fini_domain_pm_ops(struct device *dev); static inline void vga_switcheroo_unregister_client(struct pci_dev *dev) {} static inline int vga_switcheroo_register_client(struct pci_dev *dev, const struct vga_switcheroo_client_ops *ops, bool driver_power_control) { return 0; } -static inline void vga_switcheroo_client_fb_set(struct pci_dev *dev, struct fb_info *info) {} static inline int vga_switcheroo_register_handler(const struct vga_switcheroo_handler *handler, enum vga_switcheroo_handler_flags_t handler_flags) { return 0; } static inline int vga_switcheroo_register_audio_client(struct pci_dev *pdev, |
