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658ebeac33
This uses the SHMEM DRM helpers and we map right away to the CPU and NPU sides, as all buffers are expected to be accessed from both. v2: - Sync the IOMMUs for the other cores when mapping and unmapping. v3: - Make use of GPL-2.0-only for the copyright notice (Jeff Hugo) v6: - Use mutexes guard (Markus Elfring) v7: - Assign its own IOMMU domain to each client, for isolation (Daniel Stone and Robin Murphy) v8: - Correctly acquire a reference to the IOMMU (Robin Murphy) - Allocate DMA address ourselves with drm_mm (Robin Murphy) - Use refcount_read (Heiko Stuebner) - Remove superfluous dma_sync_sgtable_for_device (Robin Murphy) Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Tested-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Tomeu Vizoso <tomeu@tomeuvizoso.net> Signed-off-by: Jeff Hugo <jeff.hugo@oss.qualcomm.com> Link: https://lore.kernel.org/r/20250721-6-10-rocket-v9-3-77ebd484941e@tomeuvizoso.net |
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| .. | ||
| acpi | ||
| asm-generic | ||
| clocksource | ||
| crypto | ||
| cxl | ||
| drm | ||
| dt-bindings | ||
| hyperv | ||
| keys | ||
| kunit | ||
| kvm | ||
| linux | ||
| math-emu | ||
| media | ||
| memory | ||
| misc | ||
| net | ||
| pcmcia | ||
| ras | ||
| rdma | ||
| rv | ||
| scsi | ||
| soc | ||
| sound | ||
| target | ||
| trace | ||
| uapi | ||
| ufs | ||
| vdso | ||
| video | ||
| xen | ||
| Kbuild | ||