diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-07-01 12:53:43 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-07-01 12:53:43 -0700 |
commit | e058a84bfddc42ba356a2316f2cf1141974625c9 (patch) | |
tree | e6a02dd913e83f44ea9f5a779f9b9bd56d06a9e3 /drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | |
parent | c288d9cd710433e5991d58a0764c4d08a933b871 (diff) | |
parent | 8a02ea42bc1d4c448caf1bab0e05899dad503f74 (diff) |
Merge tag 'drm-next-2021-07-01' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"Highlights:
- AMD enables two more GPUs, with resulting header files
- i915 has started to move to TTM for discrete GPU and enable DG1
discrete GPU support (not by default yet)
- new HyperV drm driver
- vmwgfx adds arm64 support
- TTM refactoring ongoing
- 16bpc display support for AMD hw
Otherwise it's just the usual insane amounts of work all over the
place in lots of drivers and the core, as mostly summarised below:
Core:
- mark AGP ioctls as legacy
- disable force probing for non-master clients
- HDR metadata property helpers
- HDMI infoframe signal colorimetry support
- remove drm_device.pdev pointer
- remove DRM_KMS_FB_HELPER config option
- remove drm_pci_alloc/free
- drm_err_*/drm_dbg_* helpers
- use drm driver names for fbdev
- leaked DMA handle fix
- 16bpc fixed point format fourcc
- add prefetching memcpy for WC
- Documentation fixes
aperture:
- add aperture ownership helpers
dp:
- aux fixes
- downstream 0 port handling
- use extended base receiver capability DPCD
- Rename DP_PSR_SELECTIVE_UPDATE to better mach eDP spec
- mst: use khz as link rate during init
- VCPI fixes for StarTech hub
ttm:
- provide tt_shrink file via debugfs
- warn about freeing pinned BOs
- fix swapping error handling
- move page alignment into BO
- cleanup ttm_agp_backend
- add ttm_sys_manager
- don't override vm_ops
- ttm_bo_mmap removed
- make ttm_resource base of all managers
- remove VM_MIXEDMAP usage
panel:
- sysfs_emit support
- simple: runtime PM support
- simple: power up panel when reading EDID + caching
bridge:
- MHDP8546: HDCP support + DT bindings
- MHDP8546: Register DP AUX channel with userspace
- TI SN65DSI83 + SN65DSI84: add driver
- Sil8620: Fix module dependencies
- dw-hdmi: make CEC driver loading optional
- Ti-sn65dsi86: refclk fixes, subdrivers, runtime pm
- It66121: Add driver + DT bindings
- Adv7511: Support I2S IEC958 encoding
- Anx7625: fix power-on delay
- Nwi-dsi: Modesetting fixes; Cleanups
- lt6911: add missing MODULE_DEVICE_TABLE
- cdns: fix PM reference leak
hyperv:
- add new DRM driver for HyperV graphics
efifb:
- non-PCI device handling fixes
i915:
- refactor IP/device versioning
- XeLPD Display IP preperation work
- ADL-P enablement patches
- DG1 uAPI behind BROKEN
- disable mmap ioctl for discerte GPUs
- start enabling HuC loading for Gen12+
- major GuC backend rework for new platforms
- initial TTM support for Discrete GPUs
- locking rework for TTM prep
- use correct max source link rate for eDP
- %p4cc format printing
- GLK display fixes
- VLV DSI panel power fixes
- PSR2 disabled for RKL and ADL-S
- ACPI _DSM invalid access fixed
- DMC FW path abstraction
- ADL-S PCI ID update
- uAPI headers converted to kerneldoc
- initial LMEM support for DG1
- x86/gpu: add Jasperlake to gen11 early quirks
amdgpu:
- Aldebaran updates + initial SR-IOV
- new GPU: Beige Goby and Yellow Carp support
- more LTTPR display work
- Vangogh updates
- SDMA 5.x GCR fixes
- PCIe ASPM support
- Renoir TMZ enablement
- initial multiple eDP panel support
- use fdinfo to track devices/process info
- pin/unpin TTM fixes
- free resource on fence usage query
- fix fence calculation
- fix hotunplug/suspend issues
- GC/MM register access macro cleanup for SR-IOV
- W=1 fixes
- ACPI ATCS/ATIF handling rework
- 16bpc fixed point format support
- Initial smartshift support
- RV/PCO power tuning fixes
- new INFO query for additional vbios info
amdkfd:
- SR-IOV aldebaran support
- HMM SVM support
radeon:
- SMU regression fixes
- Oland flickering fix
vmwgfx:
- enable console with fbdev emulation
- fix cpu updates of coherent multisample surfaces
- remove reservation semaphore
- add initial SVGA3 support
- support arm64
msm:
- devcoredump support for display errors
- dpu/dsi: yaml bindings conversion
- mdp5: alpha/blend_mode/zpos support
- a6xx: cached coherent buffer support
- gpu iova fault improvement
- a660 support
rockchip:
- RK3036 win1 scaling support
- RK3066/3188 missing register support
- RK3036/3066/3126/3188 alpha support
mediatek:
- MT8167 HDMI support
- MT8183 DPI dual edge support
tegra:
- fixed YUV support/scaling on Tegra186+
ast:
- use pcim_iomap
- fix DP501 EDID
bochs:
- screen blanking support
etnaviv:
- export more GPU ID values to userspace
- add HWDB entry for GPU on i.MX8MP
- rework linear window calcs
exynos:
- pm runtime changes
imx:
- Annotate dma_fence critical section
- fix PRG modifiers after drmm conversion
- Add 8 pixel alignment fix for 1366x768
- fix YUV advertising
- add color properties
ingenic:
- IPU planes fix
panfrost:
- Mediatek MT8183 support + DT bindings
- export AFBC_FEATURES register to userspace
simpledrm:
- %pr for printing resources
nouveau:
- pin/unpin TTM fixes
qxl:
- unpin shadow BO
virtio:
- create dumb BOs as guest blob
vkms:
- drmm_universal_plane_alloc
- add XRGB plane composition
- overlay support"
* tag 'drm-next-2021-07-01' of git://anongit.freedesktop.org/drm/drm: (1570 commits)
drm/i915: Reinstate the mmap ioctl for some platforms
drm/i915/dsc: abstract helpers to get bigjoiner primary/secondary crtc
Revert "drm/msm/mdp5: provide dynamic bandwidth management"
drm/msm/mdp5: provide dynamic bandwidth management
drm/msm/mdp5: add perf blocks for holding fudge factors
drm/msm/mdp5: switch to standard zpos property
drm/msm/mdp5: add support for alpha/blend_mode properties
drm/msm/mdp5: use drm_plane_state for pixel blend mode
drm/msm/mdp5: use drm_plane_state for storing alpha value
drm/msm/mdp5: use drm atomic helpers to handle base drm plane state
drm/msm/dsi: do not enable PHYs when called for the slave DSI interface
drm/msm: Add debugfs to trigger shrinker
drm/msm/dpu: Avoid ABBA deadlock between IRQ modules
drm/msm: devcoredump iommu fault support
iommu/arm-smmu-qcom: Add stall support
drm/msm: Improve the a6xx page fault handler
iommu/arm-smmu-qcom: Add an adreno-smmu-priv callback to get pagefault info
iommu/arm-smmu: Add support for driver IOMMU fault handlers
drm/msm: export hangcheck_period in debugfs
drm/msm/a6xx: add support for Adreno 660 GPU
...
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 76 |
1 files changed, 65 insertions, 11 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index 311bcdc59eda..b3404c43a911 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -32,6 +32,7 @@ #include <linux/dma-buf.h> #include <drm/amdgpu_drm.h> +#include <drm/drm_drv.h> #include <drm/drm_gem_ttm_helper.h> #include "amdgpu.h" @@ -41,6 +42,46 @@ static const struct drm_gem_object_funcs amdgpu_gem_object_funcs; +static vm_fault_t amdgpu_gem_fault(struct vm_fault *vmf) +{ + struct ttm_buffer_object *bo = vmf->vma->vm_private_data; + struct drm_device *ddev = bo->base.dev; + vm_fault_t ret; + int idx; + + ret = ttm_bo_vm_reserve(bo, vmf); + if (ret) + return ret; + + if (drm_dev_enter(ddev, &idx)) { + ret = amdgpu_bo_fault_reserve_notify(bo); + if (ret) { + drm_dev_exit(idx); + goto unlock; + } + + ret = ttm_bo_vm_fault_reserved(vmf, vmf->vma->vm_page_prot, + TTM_BO_VM_NUM_PREFAULT, 1); + + drm_dev_exit(idx); + } else { + ret = ttm_bo_vm_dummy_page(vmf, vmf->vma->vm_page_prot); + } + if (ret == VM_FAULT_RETRY && !(vmf->flags & FAULT_FLAG_RETRY_NOWAIT)) + return ret; + +unlock: + dma_resv_unlock(bo->base.resv); + return ret; +} + +static const struct vm_operations_struct amdgpu_gem_vm_ops = { + .fault = amdgpu_gem_fault, + .open = ttm_bo_vm_open, + .close = ttm_bo_vm_close, + .access = ttm_bo_vm_access +}; + static void amdgpu_gem_object_free(struct drm_gem_object *gobj) { struct amdgpu_bo *robj = gem_to_amdgpu_bo(gobj); @@ -129,7 +170,7 @@ static int amdgpu_gem_object_open(struct drm_gem_object *obj, return -EPERM; if (abo->flags & AMDGPU_GEM_CREATE_VM_ALWAYS_VALID && - abo->tbo.base.resv != vm->root.base.bo->tbo.base.resv) + abo->tbo.base.resv != vm->root.bo->tbo.base.resv) return -EPERM; r = amdgpu_bo_reserve(abo, false); @@ -185,7 +226,7 @@ static void amdgpu_gem_object_close(struct drm_gem_object *obj, if (!amdgpu_vm_ready(vm)) goto out_unlock; - fence = dma_resv_get_excl(bo->tbo.base.resv); + fence = dma_resv_excl_fence(bo->tbo.base.resv); if (fence) { amdgpu_bo_fence(bo, fence, true); fence = NULL; @@ -205,6 +246,18 @@ out_unlock: ttm_eu_backoff_reservation(&ticket, &list); } +static int amdgpu_gem_object_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma) +{ + struct amdgpu_bo *bo = gem_to_amdgpu_bo(obj); + + if (amdgpu_ttm_tt_get_usermm(bo->tbo.ttm)) + return -EPERM; + if (bo->flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS) + return -EPERM; + + return drm_gem_ttm_mmap(obj, vma); +} + static const struct drm_gem_object_funcs amdgpu_gem_object_funcs = { .free = amdgpu_gem_object_free, .open = amdgpu_gem_object_open, @@ -212,6 +265,8 @@ static const struct drm_gem_object_funcs amdgpu_gem_object_funcs = { .export = amdgpu_gem_prime_export, .vmap = drm_gem_ttm_vmap, .vunmap = drm_gem_ttm_vunmap, + .mmap = amdgpu_gem_object_mmap, + .vm_ops = &amdgpu_gem_vm_ops, }; /* @@ -265,11 +320,11 @@ int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data, } if (flags & AMDGPU_GEM_CREATE_VM_ALWAYS_VALID) { - r = amdgpu_bo_reserve(vm->root.base.bo, false); + r = amdgpu_bo_reserve(vm->root.bo, false); if (r) return r; - resv = vm->root.base.bo->tbo.base.resv; + resv = vm->root.bo->tbo.base.resv; } initial_domain = (u32)(0xffffffff & args->in.domains); @@ -298,9 +353,9 @@ retry: if (!r) { struct amdgpu_bo *abo = gem_to_amdgpu_bo(gobj); - abo->parent = amdgpu_bo_ref(vm->root.base.bo); + abo->parent = amdgpu_bo_ref(vm->root.bo); } - amdgpu_bo_unreserve(vm->root.base.bo); + amdgpu_bo_unreserve(vm->root.bo); } if (r) return r; @@ -471,8 +526,7 @@ int amdgpu_gem_wait_idle_ioctl(struct drm_device *dev, void *data, return -ENOENT; } robj = gem_to_amdgpu_bo(gobj); - ret = dma_resv_wait_timeout_rcu(robj->tbo.base.resv, true, true, - timeout); + ret = dma_resv_wait_timeout(robj->tbo.base.resv, true, true, timeout); /* ret == 0 means not signaled, * ret > 0 means signaled @@ -558,7 +612,7 @@ static void amdgpu_gem_va_update_vm(struct amdgpu_device *adev, if (operation == AMDGPU_VA_OP_MAP || operation == AMDGPU_VA_OP_REPLACE) { - r = amdgpu_vm_bo_update(adev, bo_va, false); + r = amdgpu_vm_bo_update(adev, bo_va, false, NULL); if (r) goto error; } @@ -766,7 +820,7 @@ int amdgpu_gem_op_ioctl(struct drm_device *dev, void *data, void __user *out = u64_to_user_ptr(args->value); info.bo_size = robj->tbo.base.size; - info.alignment = robj->tbo.mem.page_alignment << PAGE_SHIFT; + info.alignment = robj->tbo.page_alignment << PAGE_SHIFT; info.domains = robj->preferred_domains; info.domain_flags = robj->flags; amdgpu_bo_unreserve(robj); @@ -787,7 +841,7 @@ int amdgpu_gem_op_ioctl(struct drm_device *dev, void *data, } for (base = robj->vm_bo; base; base = base->next) if (amdgpu_xgmi_same_hive(amdgpu_ttm_adev(robj->tbo.bdev), - amdgpu_ttm_adev(base->vm->root.base.bo->tbo.bdev))) { + amdgpu_ttm_adev(base->vm->root.bo->tbo.bdev))) { r = -EINVAL; amdgpu_bo_unreserve(robj); goto out; |