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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-11-15 20:42:10 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-11-15 20:42:10 -0800 |
| commit | e60e1ee60630cafef5e430c2ae364877e061d980 (patch) | |
| tree | 816aeef8fe8d4a2c6a1ebbc7a350839bac8dd4c2 /drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h | |
| parent | Merge tag 'media/v4.15-1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/g... (diff) | |
| parent | Merge tag 'exynos-drm-next-for-v4.15' of git://git.kernel.org/pub/scm/linux/k... (diff) | |
| download | linux-e60e1ee60630cafef5e430c2ae364877e061d980.tar.gz linux-e60e1ee60630cafef5e430c2ae364877e061d980.zip | |
Merge tag 'drm-for-v4.15' of git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie:
"This is the main drm pull request for v4.15.
Core:
- Atomic object lifetime fixes
- Atomic iterator improvements
- Sparse/smatch fixes
- Legacy kms ioctls to be interruptible
- EDID override improvements
- fb/gem helper cleanups
- Simple outreachy patches
- Documentation improvements
- Fix dma-buf rcu races
- DRM mode object leasing for improving VR use cases.
- vgaarb improvements for non-x86 platforms.
New driver:
- tve200: Faraday Technology TVE200 block.
This "TV Encoder" encodes a ITU-T BT.656 stream and can be found in
the StorLink SL3516 (later Cortina Systems CS3516) as well as the
Grain Media GM8180.
New bridges:
- SiI9234 support
New panels:
- S6E63J0X03, OTM8009A, Seiko 43WVF1G, 7" rpi touch panel, Toshiba
LT089AC19000, Innolux AT043TN24
i915:
- Remove Coffeelake from alpha support
- Cannonlake workarounds
- Infoframe refactoring for DisplayPort
- VBT updates
- DisplayPort vswing/emph/buffer translation refactoring
- CCS fixes
- Restore GPU clock boost on missed vblanks
- Scatter list updates for userptr allocations
- Gen9+ transition watermarks
- Display IPC (Isochronous Priority Control)
- Private PAT management
- GVT: improved error handling and pci config sanitizing
- Execlist refactoring
- Transparent Huge Page support
- User defined priorities support
- HuC/GuC firmware refactoring
- DP MST fixes
- eDP power sequencing fixes
- Use RCU instead of stop_machine
- PSR state tracking support
- Eviction fixes
- BDW DP aux channel timeout fixes
- LSPCON fixes
- Cannonlake PLL fixes
amdgpu:
- Per VM BO support
- Powerplay cleanups
- CI powerplay support
- PASID mgr for kfd
- SR-IOV fixes
- initial GPU reset for vega10
- Prime mmap support
- TTM updates
- Clock query interface for Raven
- Fence to handle ioctl
- UVD encode ring support on Polaris
- Transparent huge page DMA support
- Compute LRU pipe tweaks
- BO flag to allow buffers to opt out of implicit sync
- CTX priority setting API
- VRAM lost infrastructure plumbing
qxl:
- fix flicker since atomic rework
amdkfd:
- Further improvements from internal AMD tree
- Usermode events
- Drop radeon support
nouveau:
- Pascal temperature sensor support
- Improved BAR2 handling
- MMU rework to support Pascal MMU
exynos:
- Improved HDMI/mixer support
- HDMI audio interface support
tegra:
- Prep work for tegra186
- Cleanup/fixes
msm:
- Preemption support for a5xx
- Display fixes for 8x96 (snapdragon 820)
- Async cursor plane fixes
- FW loading rework
- GPU debugging improvements
vc4:
- Prep for DSI panels
- fix T-format tiling scanout
- New madvise ioctl
Rockchip:
- LVDS support
omapdrm:
- omap4 HDMI CEC support
etnaviv:
- GPU performance counters groundwork
sun4i:
- refactor driver load + TCON backend
- HDMI improvements
- A31 support
- Misc fixes
udl:
- Probe/EDID read fixes.
tilcdc:
- Misc fixes.
pl111:
- Support more variants
adv7511:
- Improve EDID handling.
- HDMI CEC support
sii8620:
- Add remote control support"
* tag 'drm-for-v4.15' of git://people.freedesktop.org/~airlied/linux: (1480 commits)
drm/rockchip: analogix_dp: Use mutex rather than spinlock
drm/mode_object: fix documentation for object lookups.
drm/i915: Reorder context-close to avoid calling i915_vma_close() under RCU
drm/i915: Move init_clock_gating() back to where it was
drm/i915: Prune the reservation shared fence array
drm/i915: Idle the GPU before shinking everything
drm/i915: Lock llist_del_first() vs llist_del_all()
drm/i915: Calculate ironlake intermediate watermarks correctly, v2.
drm/i915: Disable lazy PPGTT page table optimization for vGPU
drm/i915/execlists: Remove the priority "optimisation"
drm/i915: Filter out spurious execlists context-switch interrupts
drm/amdgpu: use irq-safe lock for kiq->ring_lock
drm/amdgpu: bypass lru touch for KIQ ring submission
drm/amdgpu: Potential uninitialized variable in amdgpu_vm_update_directories()
drm/amdgpu: potential uninitialized variable in amdgpu_vce_ring_parse_cs()
drm/amd/powerplay: initialize a variable before using it
drm/amd/powerplay: suppress KASAN out of bounds warning in vega10_populate_all_memory_levels
drm/amd/amdgpu: fix evicted VRAM bo adjudgement condition
drm/vblank: Tune drm_crtc_accurate_vblank_count() WARN down to a debug
drm/rockchip: add CONFIG_OF dependency for lvds
...
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h | 140 |
1 files changed, 101 insertions, 39 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h index 0fdfc610ceb3..0760b93e9d1f 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h @@ -2,68 +2,130 @@ #ifndef __NVKM_MMU_H__ #define __NVKM_MMU_H__ #include <core/subdev.h> -#include <core/mm.h> -struct nvkm_device; -struct nvkm_mem; - -struct nvkm_vm_pgt { - struct nvkm_memory *mem[2]; - u32 refcount[2]; -}; - -struct nvkm_vm_pgd { - struct list_head head; - struct nvkm_gpuobj *obj; -}; struct nvkm_vma { struct list_head head; - int refcount; - struct nvkm_vm *vm; - struct nvkm_mm_node *node; - u64 offset; - u32 access; + struct rb_node tree; + u64 addr; + u64 size:50; + bool mapref:1; /* PTs (de)referenced on (un)map (vs pre-allocated). */ + bool sparse:1; /* Unmapped PDEs/PTEs will not trigger MMU faults. */ +#define NVKM_VMA_PAGE_NONE 7 + u8 page:3; /* Requested page type (index, or NONE for automatic). */ + u8 refd:3; /* Current page type (index, or NONE for unreferenced). */ + bool used:1; /* Region allocated. */ + bool part:1; /* Region was split from an allocated region by map(). */ + bool user:1; /* Region user-allocated. */ + bool busy:1; /* Region busy (for temporarily preventing user access). */ + struct nvkm_memory *memory; /* Memory currently mapped into VMA. */ + struct nvkm_tags *tags; /* Compression tag reference. */ }; -struct nvkm_vm { +struct nvkm_vmm { + const struct nvkm_vmm_func *func; struct nvkm_mmu *mmu; - + const char *name; + u32 debug; + struct kref kref; struct mutex mutex; - struct nvkm_mm mm; - struct kref refcount; - struct list_head pgd_list; + u64 start; + u64 limit; + + struct nvkm_vmm_pt *pd; + struct list_head join; + + struct list_head list; + struct rb_root free; + struct rb_root root; + + bool bootstrapped; atomic_t engref[NVKM_SUBDEV_NR]; - struct nvkm_vm_pgt *pgt; - u32 fpde; - u32 lpde; + dma_addr_t null; + void *nullp; }; -int nvkm_vm_new(struct nvkm_device *, u64 offset, u64 length, u64 mm_offset, - struct lock_class_key *, struct nvkm_vm **); -int nvkm_vm_ref(struct nvkm_vm *, struct nvkm_vm **, struct nvkm_gpuobj *pgd); -int nvkm_vm_boot(struct nvkm_vm *, u64 size); -int nvkm_vm_get(struct nvkm_vm *, u64 size, u32 page_shift, u32 access, - struct nvkm_vma *); -void nvkm_vm_put(struct nvkm_vma *); -void nvkm_vm_map(struct nvkm_vma *, struct nvkm_mem *); -void nvkm_vm_map_at(struct nvkm_vma *, u64 offset, struct nvkm_mem *); -void nvkm_vm_unmap(struct nvkm_vma *); -void nvkm_vm_unmap_at(struct nvkm_vma *, u64 offset, u64 length); +int nvkm_vmm_new(struct nvkm_device *, u64 addr, u64 size, void *argv, u32 argc, + struct lock_class_key *, const char *name, struct nvkm_vmm **); +struct nvkm_vmm *nvkm_vmm_ref(struct nvkm_vmm *); +void nvkm_vmm_unref(struct nvkm_vmm **); +int nvkm_vmm_boot(struct nvkm_vmm *); +int nvkm_vmm_join(struct nvkm_vmm *, struct nvkm_memory *inst); +void nvkm_vmm_part(struct nvkm_vmm *, struct nvkm_memory *inst); +int nvkm_vmm_get(struct nvkm_vmm *, u8 page, u64 size, struct nvkm_vma **); +void nvkm_vmm_put(struct nvkm_vmm *, struct nvkm_vma **); + +struct nvkm_vmm_map { + struct nvkm_memory *memory; + u64 offset; + + struct nvkm_mm_node *mem; + struct scatterlist *sgl; + dma_addr_t *dma; + u64 off; + + const struct nvkm_vmm_page *page; + + struct nvkm_tags *tags; + u64 next; + u64 type; + u64 ctag; +}; + +int nvkm_vmm_map(struct nvkm_vmm *, struct nvkm_vma *, void *argv, u32 argc, + struct nvkm_vmm_map *); +void nvkm_vmm_unmap(struct nvkm_vmm *, struct nvkm_vma *); + +struct nvkm_memory *nvkm_umem_search(struct nvkm_client *, u64); +struct nvkm_vmm *nvkm_uvmm_search(struct nvkm_client *, u64 handle); struct nvkm_mmu { const struct nvkm_mmu_func *func; struct nvkm_subdev subdev; - u64 limit; u8 dma_bits; - u8 lpg_shift; + + int heap_nr; + struct { +#define NVKM_MEM_VRAM 0x01 +#define NVKM_MEM_HOST 0x02 +#define NVKM_MEM_COMP 0x04 +#define NVKM_MEM_DISP 0x08 + u8 type; + u64 size; + } heap[4]; + + int type_nr; + struct { +#define NVKM_MEM_KIND 0x10 +#define NVKM_MEM_MAPPABLE 0x20 +#define NVKM_MEM_COHERENT 0x40 +#define NVKM_MEM_UNCACHED 0x80 + u8 type; + u8 heap; + } type[16]; + + struct nvkm_vmm *vmm; + + struct { + struct mutex mutex; + struct list_head list; + } ptc, ptp; + + struct nvkm_device_oclass user; }; int nv04_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **); int nv41_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **); int nv44_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **); int nv50_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **); +int g84_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **); int gf100_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **); +int gk104_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **); +int gk20a_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **); +int gm200_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **); +int gm20b_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **); +int gp100_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **); +int gp10b_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **); #endif |
