lkml.org 
[lkml]   [2022]   [Mar]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH v2 7/8] drm/virtio: Support memory shrinking
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@collabora.com> 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

\
 
 \ /
  Last update: 2022-03-15 13:44    [W:0.295 / U:0.216 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site