CVS commit: src/sys/external/bsd/drm2/dist/drm

["Taylor R Campbell" <riastradh%netbsd.org@localhost>]

Module Name:    src
Committed By:   riastradh
Date:           Sun Dec 19 11:26:26 UTC 2021

Modified Files:
        src/sys/external/bsd/drm2/dist/drm/amd/amdgpu: amdgpu_ih.c
        src/sys/external/bsd/drm2/dist/drm/i915/gt: intel_gtt.c
        src/sys/external/bsd/drm2/dist/drm/nouveau/nvkm/subdev/mmu:
            nouveau_nvkm_subdev_mmu_vmmnv44.c
        src/sys/external/bsd/drm2/dist/drm/radeon: radeon_device.c
            radeon_gart.c

Log Message:
drm: Sprinkle BUS_DMA_COHERENT/NOCACHE and bus_dmamap_sync.

Algorithm:

- For dummy pages, use NOCACHE and PREREAD|PREWRITE.
- In #ifdef __NetBSD__ #else dma_alloc_coherent, use BUS_DMA_COHERENT.
- For (GPU) page tables we program, use PREWRITE.


To generate a diff of this commit:
cvs rdiff -u -r1.6 -r1.7 \
    src/sys/external/bsd/drm2/dist/drm/amd/amdgpu/amdgpu_ih.c
cvs rdiff -u -r1.5 -r1.6 \
    src/sys/external/bsd/drm2/dist/drm/i915/gt/intel_gtt.c
cvs rdiff -u -r1.3 -r1.4 \
    src/sys/external/bsd/drm2/dist/drm/nouveau/nvkm/subdev/mmu/nouveau_nvkm_subdev_mmu_vmmnv44.c
cvs rdiff -u -r1.11 -r1.12 \
    src/sys/external/bsd/drm2/dist/drm/radeon/radeon_device.c
cvs rdiff -u -r1.13 -r1.14 \
    src/sys/external/bsd/drm2/dist/drm/radeon/radeon_gart.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.