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author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-11-15 20:42:10 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-11-15 20:42:10 -0800 |
commit | e60e1ee60630cafef5e430c2ae364877e061d980 (patch) | |
tree | 816aeef8fe8d4a2c6a1ebbc7a350839bac8dd4c2 /drivers/gpu/drm/nouveau/nvif/mmu.c | |
parent | 5d352e69c60e54b5f04d6e337a1d2bf0dbf3d94a (diff) | |
parent | f150891fd9878ef0d9197c4e8451ce67c3bdd014 (diff) | |
download | linux-stable-e60e1ee60630cafef5e430c2ae364877e061d980.tar.gz linux-stable-e60e1ee60630cafef5e430c2ae364877e061d980.tar.bz2 linux-stable-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/nvif/mmu.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvif/mmu.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvif/mmu.c b/drivers/gpu/drm/nouveau/nvif/mmu.c new file mode 100644 index 000000000000..15d0dcbf7ab4 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvif/mmu.c @@ -0,0 +1,117 @@ +/* + * Copyright 2017 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ +#include <nvif/mmu.h> + +#include <nvif/class.h> +#include <nvif/if0008.h> + +void +nvif_mmu_fini(struct nvif_mmu *mmu) +{ + kfree(mmu->kind); + kfree(mmu->type); + kfree(mmu->heap); + nvif_object_fini(&mmu->object); +} + +int +nvif_mmu_init(struct nvif_object *parent, s32 oclass, struct nvif_mmu *mmu) +{ + struct nvif_mmu_v0 args; + int ret, i; + + args.version = 0; + mmu->heap = NULL; + mmu->type = NULL; + mmu->kind = NULL; + + ret = nvif_object_init(parent, 0, oclass, &args, sizeof(args), + &mmu->object); + if (ret) + goto done; + + mmu->dmabits = args.dmabits; + mmu->heap_nr = args.heap_nr; + mmu->type_nr = args.type_nr; + mmu->kind_nr = args.kind_nr; + + mmu->heap = kmalloc(sizeof(*mmu->heap) * mmu->heap_nr, GFP_KERNEL); + mmu->type = kmalloc(sizeof(*mmu->type) * mmu->type_nr, GFP_KERNEL); + if (ret = -ENOMEM, !mmu->heap || !mmu->type) + goto done; + + mmu->kind = kmalloc(sizeof(*mmu->kind) * mmu->kind_nr, GFP_KERNEL); + if (!mmu->kind && mmu->kind_nr) + goto done; + + for (i = 0; i < mmu->heap_nr; i++) { + struct nvif_mmu_heap_v0 args = { .index = i }; + + ret = nvif_object_mthd(&mmu->object, NVIF_MMU_V0_HEAP, + &args, sizeof(args)); + if (ret) + goto done; + + mmu->heap[i].size = args.size; + } + + for (i = 0; i < mmu->type_nr; i++) { + struct nvif_mmu_type_v0 args = { .index = i }; + + ret = nvif_object_mthd(&mmu->object, NVIF_MMU_V0_TYPE, + &args, sizeof(args)); + if (ret) + goto done; + + mmu->type[i].type = 0; + if (args.vram) mmu->type[i].type |= NVIF_MEM_VRAM; + if (args.host) mmu->type[i].type |= NVIF_MEM_HOST; + if (args.comp) mmu->type[i].type |= NVIF_MEM_COMP; + if (args.disp) mmu->type[i].type |= NVIF_MEM_DISP; + if (args.kind ) mmu->type[i].type |= NVIF_MEM_KIND; + if (args.mappable) mmu->type[i].type |= NVIF_MEM_MAPPABLE; + if (args.coherent) mmu->type[i].type |= NVIF_MEM_COHERENT; + if (args.uncached) mmu->type[i].type |= NVIF_MEM_UNCACHED; + mmu->type[i].heap = args.heap; + } + + if (mmu->kind_nr) { + struct nvif_mmu_kind_v0 *kind; + u32 argc = sizeof(*kind) + sizeof(*kind->data) * mmu->kind_nr; + + if (ret = -ENOMEM, !(kind = kmalloc(argc, GFP_KERNEL))) + goto done; + kind->version = 0; + kind->count = mmu->kind_nr; + + ret = nvif_object_mthd(&mmu->object, NVIF_MMU_V0_KIND, + kind, argc); + if (ret == 0) + memcpy(mmu->kind, kind->data, kind->count); + kfree(kind); + } + +done: + if (ret) + nvif_mmu_fini(mmu); + return ret; +} |