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freedreno/drm/virtio: Split up large uploads

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Might be useful if host cached mmaps.. but OTOH we don't want to burn up
address space.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16086>
This commit is contained in:
Rob Clark 2022-04-18 16:18:48 -07:00 • committed by Marge Bot
parent 0aab310439
commit e42cea4db6
1 changed files with 15 additions and 2 deletions
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17
src/freedreno/drm/virtio/virtio_bo.c
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@ -183,7 +183,7 @@ virtio_bo_set_name(struct fd_bo *bo, const char *fmt, va_list ap)
}
static void
virtio_bo_upload(struct fd_bo *bo, void *src, unsigned len)
bo_upload(struct fd_bo *bo, unsigned off, void *src, unsigned len)
{
unsigned req_len = sizeof(struct msm_ccmd_gem_upload_req) + align(len, 4);
@ -193,7 +193,7 @@ virtio_bo_upload(struct fd_bo *bo, void *src, unsigned len)
req->hdr = MSM_CCMD(GEM_UPLOAD, req_len);
req->res_id = to_virtio_bo(bo)->res_id;
req->pad = 0;
req->off = 0;
req->off = off;
req->len = len;
memcpy(req->payload, src, len);
@ -201,6 +201,19 @@ virtio_bo_upload(struct fd_bo *bo, void *src, unsigned len)
virtio_execbuf(bo->dev, &req->hdr, false);
}
static void
virtio_bo_upload(struct fd_bo *bo, void *src, unsigned len)
{
unsigned off = 0;
while (len > 0) {
unsigned sz = MIN2(len, 0x1000);
bo_upload(bo, off, src, sz);
off += sz;
src += sz;
len -= sz;
}
}
static void
set_iova(struct fd_bo *bo, uint64_t iova)
{