Since I got feedback that the dma_fence .release pattern I followed was unnecessary, here's a resubmit with that changed and the two drivers I was looking at cleaned up as well. As before, they're only compile-tested.
I'd prefer that if msm/etnaviv developers like them, they pull those two patches themselves.
Eric Anholt (5): drm/msm: Expose our reservation object when exporting a dmabuf. drm/etnaviv: Expose our reservation object when exporting a dmabuf. drm/msm: Reuse dma_fence_release. drm/etnaviv: Reuse dma_fence_release. drm/vc4: Expose dma-buf fences for V3D rendering.
drivers/gpu/drm/etnaviv/etnaviv_drv.c | 1 + drivers/gpu/drm/etnaviv/etnaviv_drv.h | 1 + drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c | 7 ++ drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 11 +-- drivers/gpu/drm/msm/msm_drv.c | 1 + drivers/gpu/drm/msm/msm_drv.h | 1 + drivers/gpu/drm/msm/msm_fence.c | 10 +- drivers/gpu/drm/msm/msm_gem_prime.c | 7 ++ drivers/gpu/drm/vc4/Makefile | 1 + drivers/gpu/drm/vc4/vc4_bo.c | 37 +++++++- drivers/gpu/drm/vc4/vc4_drv.c | 3 +- drivers/gpu/drm/vc4/vc4_drv.h | 30 ++++++ drivers/gpu/drm/vc4/vc4_fence.c | 56 ++++++++++++ drivers/gpu/drm/vc4/vc4_gem.c | 136 +++++++++++++++++++++++++++- drivers/gpu/drm/vc4/vc4_irq.c | 4 + 15 files changed, 284 insertions(+), 22 deletions(-) create mode 100644 drivers/gpu/drm/vc4/vc4_fence.c