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| author | Dave Airlie <airlied@redhat.com> | 2023-06-15 14:11:22 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2023-06-15 14:11:22 +1000 |
| commit | 901bdf5ea1a836400ee69aa32b04e9c209271ec7 (patch) | |
| tree | ccb1851c8a71e776dbccf1ccae132dc9b5f093c6 /drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c | |
| parent | ba57b9b11f78530146f02b776854b2b6b6d344a4 (diff) | |
| parent | 3b718dcaf163d17fe907ea098c8449e0cd6bc271 (diff) | |
| download | lwn-901bdf5ea1a836400ee69aa32b04e9c209271ec7.tar.gz lwn-901bdf5ea1a836400ee69aa32b04e9c209271ec7.zip | |
Merge tag 'amd-drm-next-6.5-2023-06-09' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-6.5-2023-06-02:
amdgpu:
- SR-IOV fixes
- Warning fixes
- Misc code cleanups and spelling fixes
- DCN 3.2 updates
- Improved DC FAMS support for better power management
- Improved DC SubVP support for better power management
- DCN 3.1.x fixes
- Max IB size query
- DC GPU reset fixes
- RAS updates
- DCN 3.0.x fixes
- S/G display fixes
- CP shadow buffer support
- Implement connector force callback
- Z8 power improvements
- PSP 13.0.10 vbflash support
- Mode2 reset fixes
- Store MQDs in VRAM to improve queue switch latency
- VCN 3.x fixes
- JPEG 3.x fixes
- Enable DC_FP on LoongArch
- GFXOFF fixes
- GC 9.4.3 partition support
- SDMA 4.4.2 partition support
- VCN/JPEG 4.0.3 partition support
- VCN 4.0.3 updates
- NBIO 7.9 updates
- GC 9.4.3 updates
- Take NUMA into account when allocating memory
- Handle NUMA for partitions
- SMU 13.0.6 updates
- GC 9.4.3 RAS updates
- Stop including unused swiotlb.h
- SMU 13.0.7 fixes
- Fix clock output ordering on some APUs
- Clean up DC FPGA code
- GFX9 preemption fixes
- Misc irq fixes
- S0ix fixes
- Add new DRM_AMDGPU_WERROR config parameter to help with CI
- PCIe fix for RDNA2
- kdoc fixes
- Documentation updates
amdkfd:
- Query TTM mem limit rather than hardcoding it
- GC 9.4.3 partition support
- Handle NUMA for partitions
radeon:
- Fix possible double free
- Stop including unused swiotlb.h
- Fix possible division by zero
ttm:
- Add query for TTM mem limit
- Add NUMA awareness to pools
- Export ttm_pool_fini()
UAPI:
- Add new ctx query flag to better handle GPU resets
Mesa MR: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22290
- Add new interface to query and set shadow buffer for RDNA3
Mesa MR: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21986
- Add new INFO query for max IB size
Proposed userspace: https://gitlab.freedesktop.org/bnieuwenhuizen/mesa/-/commits/ib-rejection-v3
amd-drm-next-6.5-2023-06-09:
amdgpu:
- S0ix fixes
- Initial SMU13 Overdrive support
- kdoc fixes
- Misc clode cleanups
- Flexible array fixes
- Display OTG fixes
- SMU 13.0.6 updates
- Revert some broken clock counter updates
- Misc display fixes
- GFX9 preemption fixes
- Add support for newer EEPROM bad page table format
- Add missing radeon secondary id
- Add support for new colorspace KMS API
- CSA fix
- Stable pstate fixes for APUs
- make vbl interface admin only
- Handle PCI accelerator class
amdkfd:
- Add debugger support for gdb
radeon:
- Fix possible UAF
drm:
- Add Colorspace functionality
UAPI:
- Add debugger interface for enabling gdb
Proposed userspace: https://github.com/ROCm-Developer-Tools/ROCdbgapi/tree/wip-dbgapi
- Add KMS colorspace API
Discussion: https://lists.freedesktop.org/archives/dri-devel/2023-June/408128.html
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230609174817.7764-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c | 399 |
1 files changed, 399 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c new file mode 100644 index 000000000000..d733fa6e7477 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c @@ -0,0 +1,399 @@ +/* + * Copyright 2022 Advanced Micro Devices, 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 "amdgpu.h" +#include "amdgpu_xcp.h" +#include "amdgpu_drv.h" + +#include <drm/drm_drv.h> +#include "../amdxcp/amdgpu_xcp_drv.h" + +static int __amdgpu_xcp_run(struct amdgpu_xcp_mgr *xcp_mgr, + struct amdgpu_xcp_ip *xcp_ip, int xcp_state) +{ + int (*run_func)(void *handle, uint32_t inst_mask); + int ret = 0; + + if (!xcp_ip || !xcp_ip->valid || !xcp_ip->ip_funcs) + return 0; + + run_func = NULL; + + switch (xcp_state) { + case AMDGPU_XCP_PREPARE_SUSPEND: + run_func = xcp_ip->ip_funcs->prepare_suspend; + break; + case AMDGPU_XCP_SUSPEND: + run_func = xcp_ip->ip_funcs->suspend; + break; + case AMDGPU_XCP_PREPARE_RESUME: + run_func = xcp_ip->ip_funcs->prepare_resume; + break; + case AMDGPU_XCP_RESUME: + run_func = xcp_ip->ip_funcs->resume; + break; + } + + if (run_func) + ret = run_func(xcp_mgr->adev, xcp_ip->inst_mask); + + return ret; +} + +static int amdgpu_xcp_run_transition(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id, + int state) +{ + struct amdgpu_xcp_ip *xcp_ip; + struct amdgpu_xcp *xcp; + int i, ret; + + if (xcp_id >= MAX_XCP || !xcp_mgr->xcp[xcp_id].valid) + return -EINVAL; + + xcp = &xcp_mgr->xcp[xcp_id]; + for (i = 0; i < AMDGPU_XCP_MAX_BLOCKS; ++i) { + xcp_ip = &xcp->ip[i]; + ret = __amdgpu_xcp_run(xcp_mgr, xcp_ip, state); + if (ret) + break; + } + + return ret; +} + +int amdgpu_xcp_prepare_suspend(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id) +{ + return amdgpu_xcp_run_transition(xcp_mgr, xcp_id, + AMDGPU_XCP_PREPARE_SUSPEND); +} + +int amdgpu_xcp_suspend(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id) +{ + return amdgpu_xcp_run_transition(xcp_mgr, xcp_id, AMDGPU_XCP_SUSPEND); +} + +int amdgpu_xcp_prepare_resume(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id) +{ + return amdgpu_xcp_run_transition(xcp_mgr, xcp_id, + AMDGPU_XCP_PREPARE_RESUME); +} + +int amdgpu_xcp_resume(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id) +{ + return amdgpu_xcp_run_transition(xcp_mgr, xcp_id, AMDGPU_XCP_RESUME); +} + +static void __amdgpu_xcp_add_block(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id, + struct amdgpu_xcp_ip *ip) +{ + struct amdgpu_xcp *xcp; + + if (!ip) + return; + + xcp = &xcp_mgr->xcp[xcp_id]; + xcp->ip[ip->ip_id] = *ip; + xcp->ip[ip->ip_id].valid = true; + + xcp->valid = true; +} + +int amdgpu_xcp_init(struct amdgpu_xcp_mgr *xcp_mgr, int num_xcps, int mode) +{ + struct amdgpu_device *adev = xcp_mgr->adev; + struct amdgpu_xcp_ip ip; + uint8_t mem_id; + int i, j, ret; + + if (!num_xcps || num_xcps > MAX_XCP) + return -EINVAL; + + xcp_mgr->mode = mode; + + for (i = 0; i < MAX_XCP; ++i) + xcp_mgr->xcp[i].valid = false; + + for (i = 0; i < num_xcps; ++i) { + for (j = AMDGPU_XCP_GFXHUB; j < AMDGPU_XCP_MAX_BLOCKS; ++j) { + ret = xcp_mgr->funcs->get_ip_details(xcp_mgr, i, j, + &ip); + if (ret) + continue; + + __amdgpu_xcp_add_block(xcp_mgr, i, &ip); + } + + xcp_mgr->xcp[i].id = i; + + if (xcp_mgr->funcs->get_xcp_mem_id) { + ret = xcp_mgr->funcs->get_xcp_mem_id( + xcp_mgr, &xcp_mgr->xcp[i], &mem_id); + if (ret) + continue; + else + xcp_mgr->xcp[i].mem_id = mem_id; + } + } + + xcp_mgr->num_xcps = num_xcps; + amdgpu_xcp_update_partition_sched_list(adev); + + xcp_mgr->num_xcp_per_mem_partition = num_xcps / xcp_mgr->adev->gmc.num_mem_partitions; + return 0; +} + +int amdgpu_xcp_switch_partition_mode(struct amdgpu_xcp_mgr *xcp_mgr, int mode) +{ + int ret, curr_mode, num_xcps = 0; + + if (!xcp_mgr || mode == AMDGPU_XCP_MODE_NONE) + return -EINVAL; + + if (xcp_mgr->mode == mode) + return 0; + + if (!xcp_mgr->funcs || !xcp_mgr->funcs->switch_partition_mode) + return 0; + + mutex_lock(&xcp_mgr->xcp_lock); + + curr_mode = xcp_mgr->mode; + /* State set to transient mode */ + xcp_mgr->mode = AMDGPU_XCP_MODE_TRANS; + + ret = xcp_mgr->funcs->switch_partition_mode(xcp_mgr, mode, &num_xcps); + + if (ret) { + /* Failed, get whatever mode it's at now */ + if (xcp_mgr->funcs->query_partition_mode) + xcp_mgr->mode = amdgpu_xcp_query_partition_mode( + xcp_mgr, AMDGPU_XCP_FL_LOCKED); + else + xcp_mgr->mode = curr_mode; + + goto out; + } + +out: + mutex_unlock(&xcp_mgr->xcp_lock); + + return ret; +} + +int amdgpu_xcp_query_partition_mode(struct amdgpu_xcp_mgr *xcp_mgr, u32 flags) +{ + int mode; + + if (xcp_mgr->mode == AMDGPU_XCP_MODE_NONE) + return xcp_mgr->mode; + + if (!xcp_mgr->funcs || !xcp_mgr->funcs->query_partition_mode) + return xcp_mgr->mode; + + if (!(flags & AMDGPU_XCP_FL_LOCKED)) + mutex_lock(&xcp_mgr->xcp_lock); + mode = xcp_mgr->funcs->query_partition_mode(xcp_mgr); + if (xcp_mgr->mode != AMDGPU_XCP_MODE_TRANS && mode != xcp_mgr->mode) + dev_WARN( + xcp_mgr->adev->dev, + "Cached partition mode %d not matching with device mode %d", + xcp_mgr->mode, mode); + + if (!(flags & AMDGPU_XCP_FL_LOCKED)) + mutex_unlock(&xcp_mgr->xcp_lock); + + return mode; +} + +static int amdgpu_xcp_dev_alloc(struct amdgpu_device *adev) +{ + struct drm_device *p_ddev; + struct drm_device *ddev; + int i, ret; + + ddev = adev_to_drm(adev); + + for (i = 0; i < MAX_XCP; i++) { + ret = amdgpu_xcp_drm_dev_alloc(&p_ddev); + if (ret) + return ret; + + /* Redirect all IOCTLs to the primary device */ + adev->xcp_mgr->xcp[i].rdev = p_ddev->render->dev; + adev->xcp_mgr->xcp[i].pdev = p_ddev->primary->dev; + adev->xcp_mgr->xcp[i].driver = (struct drm_driver *)p_ddev->driver; + adev->xcp_mgr->xcp[i].vma_offset_manager = p_ddev->vma_offset_manager; + p_ddev->render->dev = ddev; + p_ddev->primary->dev = ddev; + p_ddev->vma_offset_manager = ddev->vma_offset_manager; + p_ddev->driver = &amdgpu_partition_driver; + adev->xcp_mgr->xcp[i].ddev = p_ddev; + } + + return 0; +} + +int amdgpu_xcp_mgr_init(struct amdgpu_device *adev, int init_mode, + int init_num_xcps, + struct amdgpu_xcp_mgr_funcs *xcp_funcs) +{ + struct amdgpu_xcp_mgr *xcp_mgr; + + if (!xcp_funcs || !xcp_funcs->switch_partition_mode || + !xcp_funcs->get_ip_details) + return -EINVAL; + + xcp_mgr = kzalloc(sizeof(*xcp_mgr), GFP_KERNEL); + + if (!xcp_mgr) + return -ENOMEM; + + xcp_mgr->adev = adev; + xcp_mgr->funcs = xcp_funcs; + xcp_mgr->mode = init_mode; + mutex_init(&xcp_mgr->xcp_lock); + + if (init_mode != AMDGPU_XCP_MODE_NONE) + amdgpu_xcp_init(xcp_mgr, init_num_xcps, init_mode); + + adev->xcp_mgr = xcp_mgr; + + return amdgpu_xcp_dev_alloc(adev); +} + +int amdgpu_xcp_get_partition(struct amdgpu_xcp_mgr *xcp_mgr, + enum AMDGPU_XCP_IP_BLOCK ip, int instance) +{ + struct amdgpu_xcp *xcp; + int i, id_mask = 0; + + if (ip >= AMDGPU_XCP_MAX_BLOCKS) + return -EINVAL; + + for (i = 0; i < xcp_mgr->num_xcps; ++i) { + xcp = &xcp_mgr->xcp[i]; + if ((xcp->valid) && (xcp->ip[ip].valid) && + (xcp->ip[ip].inst_mask & BIT(instance))) + id_mask |= BIT(i); + } + + if (!id_mask) + id_mask = -ENXIO; + + return id_mask; +} + +int amdgpu_xcp_get_inst_details(struct amdgpu_xcp *xcp, + enum AMDGPU_XCP_IP_BLOCK ip, + uint32_t *inst_mask) +{ + if (!xcp->valid || !inst_mask || !(xcp->ip[ip].valid)) + return -EINVAL; + + *inst_mask = xcp->ip[ip].inst_mask; + + return 0; +} + +int amdgpu_xcp_dev_register(struct amdgpu_device *adev, + const struct pci_device_id *ent) +{ + int i, ret; + + if (!adev->xcp_mgr) + return 0; + + for (i = 0; i < MAX_XCP; i++) { + ret = drm_dev_register(adev->xcp_mgr->xcp[i].ddev, ent->driver_data); + if (ret) + return ret; + } + + return 0; +} + +void amdgpu_xcp_dev_unplug(struct amdgpu_device *adev) +{ + struct drm_device *p_ddev; + int i; + + if (!adev->xcp_mgr) + return; + + for (i = 0; i < MAX_XCP; i++) { + p_ddev = adev->xcp_mgr->xcp[i].ddev; + drm_dev_unplug(p_ddev); + p_ddev->render->dev = adev->xcp_mgr->xcp[i].rdev; + p_ddev->primary->dev = adev->xcp_mgr->xcp[i].pdev; + p_ddev->driver = adev->xcp_mgr->xcp[i].driver; + p_ddev->vma_offset_manager = adev->xcp_mgr->xcp[i].vma_offset_manager; + } +} + +int amdgpu_xcp_open_device(struct amdgpu_device *adev, + struct amdgpu_fpriv *fpriv, + struct drm_file *file_priv) +{ + int i; + + if (!adev->xcp_mgr) + return 0; + + fpriv->xcp_id = ~0; + for (i = 0; i < MAX_XCP; ++i) { + if (!adev->xcp_mgr->xcp[i].ddev) + break; + + if (file_priv->minor == adev->xcp_mgr->xcp[i].ddev->render) { + if (adev->xcp_mgr->xcp[i].valid == FALSE) { + dev_err(adev->dev, "renderD%d partition %d not valid!", + file_priv->minor->index, i); + return -ENOENT; + } + dev_dbg(adev->dev, "renderD%d partition %d opened!", + file_priv->minor->index, i); + fpriv->xcp_id = i; + break; + } + } + + fpriv->vm.mem_id = fpriv->xcp_id == ~0 ? -1 : + adev->xcp_mgr->xcp[fpriv->xcp_id].mem_id; + return 0; +} + +void amdgpu_xcp_release_sched(struct amdgpu_device *adev, + struct amdgpu_ctx_entity *entity) +{ + struct drm_gpu_scheduler *sched; + struct amdgpu_ring *ring; + + if (!adev->xcp_mgr) + return; + + sched = entity->entity.rq->sched; + if (sched->ready) { + ring = to_amdgpu_ring(entity->entity.rq->sched); + atomic_dec(&adev->xcp_mgr->xcp[ring->xcp_id].ref_cnt); + } +} + |