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freedreno/drm: Simplify backend mmap impl

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Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24733>
This commit is contained in:
Rob Clark 2023-08-11 11:30:48 -07:00 • committed by Marge Bot
parent 6f467fc6a3
commit 53ccb421a2
1 changed files with 16 additions and 17 deletions
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21
src/freedreno/drm/freedreno_bo.c
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@ -586,23 +586,14 @@ fd_bo_is_cached(struct fd_bo *bo)
void *
fd_bo_map_os_mmap(struct fd_bo *bo)
{
if (!bo->map) {
uint64_t offset;
int ret;
ret = bo->funcs->offset(bo, &offset);
if (ret) {
return NULL;
}
bo->map = os_mmap(0, bo->size, PROT_READ | PROT_WRITE, MAP_SHARED,
return os_mmap(0, bo->size, PROT_READ | PROT_WRITE, MAP_SHARED,
bo->dev->fd, offset);
if (bo->map == MAP_FAILED) {
ERROR_MSG("mmap failed: %s", strerror(errno));
bo->map = NULL;
}
}
return bo->map;
}
void *
@ -614,7 +605,15 @@ fd_bo_map(struct fd_bo *bo)
if (bo->alloc_flags & FD_BO_NOMAP)
return NULL;
return bo->funcs->map(bo);
if (!bo->map) {
bo->map = bo->funcs->map(bo);
if (bo->map == MAP_FAILED) {
ERROR_MSG("mmap failed: %s", strerror(errno));
bo->map = NULL;
}
}
return bo->map;
}
void