Greetings everyone,
Food for thought: Would it make sense to have the madvise ioctl as
generic DRM one?
Looking around - i915, msm & panfrost already have one and the virtio
implementation [below] seems as generic as it gets.
On Mon, 14 Mar 2022 at 22:44, Dmitry Osipenko
<dmitry.osipenko@xxxxxxxxxxxxx> wrote:
> +#define VIRTGPU_MADV_WILLNEED 0
> +#define VIRTGPU_MADV_DONTNEED 1
> +struct drm_virtgpu_madvise {
> + __u32 bo_handle;
> + __u32 retained; /* out, non-zero if BO can be used */
> + __u32 madv;
> + __u32 pad;
This seems to be based on panfrost/msm yet names (bo_handle vs
handle), layout and documentation varies.
Why is that - copy/paste is cheap :-P
HTH
-Emil
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