On Wed, 28 Jul 2021 03:30:34 -0700, Matthew Auld wrote:
>
> diff --git a/lib/i915/gem_mman.c b/lib/i915/gem_mman.c
> index 337d28fb..6f5e6d72 100644
> --- a/lib/i915/gem_mman.c
> +++ b/lib/i915/gem_mman.c
> @@ -434,7 +434,13 @@ void *gem_mmap__device_coherent(int fd, uint32_t handle,
> uint64_t offset,
> */
> void *__gem_mmap__cpu(int fd, uint32_t handle, uint64_t offset, uint64_t
> size, unsigned prot)
> {
> - return __gem_mmap(fd, handle, offset, size, prot, 0);
> + void *ptr;
> +
> + ptr = __gem_mmap(fd, handle, offset, size, prot, 0);
> + if (!ptr)
> + ptr = __gem_mmap_offset__fixed(fd, handle, offset, size, prot);
> +
> + return ptr;
What about __gem_mmap__wc? Also shouldn't we just fix the __gem_mmap_offset
fallback in __gem_mmap and that will take care of both __gem_mmap__cpu and
__gem_mmap__wc?
(I think it will actually also fix __gem_mmap__device_coherent and
__gem_mmap__cpu_coherent but maybe we can still have those patches in this
series especially if they save a couple of system calls).
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