> struct vfio_vgpu_surface_info {
> __u64 start;
> __u32 width;
> __u32 height;
> __u32 stride;
> __u32 size;
> __u32 x_pos;
> __u32 y_pos;
> __u32 padding;
> /* Only used when VFIO_VGPU_SURFACE_DMABUF_* flags set */
> __u64 drm_format_mod;
> __u32 drm_format;
Why for dmabufs only? Shouldn't the region specify the format too?
Even in case you are using a fixed one (say DRM_FORMAT_XRGB8888) you
can explicitly say so in drm_format (and set drm_format_mod to zero).
cheers,
Gerd
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