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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/amdxcp/amdgpu_xcp_drv.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/amdxcp/amdgpu_xcp_drv.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdxcp/amdgpu_xcp_drv.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdxcp/amdgpu_xcp_drv.c b/drivers/gpu/drm/amd/amdxcp/amdgpu_xcp_drv.c new file mode 100644 index 000000000000..353597fc908d --- /dev/null +++ b/drivers/gpu/drm/amd/amdxcp/amdgpu_xcp_drv.c @@ -0,0 +1,110 @@ +/* + * Copyright 2023 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 <linux/init.h> +#include <linux/module.h> +#include <linux/platform_device.h> + +#include <drm/drm_drv.h> + +#include "amdgpu_xcp_drv.h" + +#define MAX_XCP_PLATFORM_DEVICE 64 + +struct xcp_device { + struct drm_device drm; + struct platform_device *pdev; +}; + +static const struct drm_driver amdgpu_xcp_driver = { + .driver_features = DRIVER_GEM | DRIVER_RENDER, + .name = "amdgpu_xcp_drv", + .major = 1, + .minor = 0, +}; + +static int pdev_num; +static struct xcp_device *xcp_dev[MAX_XCP_PLATFORM_DEVICE]; + +int amdgpu_xcp_drm_dev_alloc(struct drm_device **ddev) +{ + struct platform_device *pdev; + struct xcp_device *pxcp_dev; + int ret; + + if (pdev_num >= MAX_XCP_PLATFORM_DEVICE) + return -ENODEV; + + pdev = platform_device_register_simple("amdgpu_xcp", pdev_num, NULL, 0); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + + if (!devres_open_group(&pdev->dev, NULL, GFP_KERNEL)) { + ret = -ENOMEM; + goto out_unregister; + } + + pxcp_dev = devm_drm_dev_alloc(&pdev->dev, &amdgpu_xcp_driver, struct xcp_device, drm); + if (IS_ERR(pxcp_dev)) { + ret = PTR_ERR(pxcp_dev); + goto out_devres; + } + + xcp_dev[pdev_num] = pxcp_dev; + xcp_dev[pdev_num]->pdev = pdev; + *ddev = &pxcp_dev->drm; + pdev_num++; + + return 0; + +out_devres: + devres_release_group(&pdev->dev, NULL); +out_unregister: + platform_device_unregister(pdev); + + return ret; +} +EXPORT_SYMBOL(amdgpu_xcp_drm_dev_alloc); + +void amdgpu_xcp_drv_release(void) +{ + for (--pdev_num; pdev_num >= 0; --pdev_num) { + devres_release_group(&xcp_dev[pdev_num]->pdev->dev, NULL); + platform_device_unregister(xcp_dev[pdev_num]->pdev); + xcp_dev[pdev_num]->pdev = NULL; + xcp_dev[pdev_num] = NULL; + } + pdev_num = 0; +} +EXPORT_SYMBOL(amdgpu_xcp_drv_release); + +static void __exit amdgpu_xcp_drv_exit(void) +{ + amdgpu_xcp_drv_release(); +} + +module_exit(amdgpu_xcp_drv_exit); + +MODULE_AUTHOR("AMD linux driver team"); +MODULE_DESCRIPTION("AMD XCP PLATFORM DEVICES"); +MODULE_LICENSE("GPL and additional rights"); |