Hey Christian,
Sorry for the late reply, I missed this for some reason.
On Wed, Nov 21, 2018 at 5:00 AM Christian König
<ckoenig.leichtzumerken@xxxxxxxxx> wrote:
> > diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
> > index 370e9a5536ef..531726443104 100644
> > --- a/include/uapi/drm/amdgpu_drm.h
> > +++ b/include/uapi/drm/amdgpu_drm.h
> > @@ -72,6 +72,18 @@ extern "C" {
> > #define DRM_IOCTL_AMDGPU_FENCE_TO_HANDLE DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_FENCE_TO_HANDLE, union drm_amdgpu_fence_to_handle)
> > #define DRM_IOCTL_AMDGPU_SCHED DRM_IOW(DRM_COMMAND_BASE + DRM_AMDGPU_SCHED, union drm_amdgpu_sched)
> >
> > +enum amdgpu_mem_domain {
> > + AMDGPU_MEM_DOMAIN_CPU,
> > + AMDGPU_MEM_DOMAIN_GTT,
> > + AMDGPU_MEM_DOMAIN_VRAM,
> > + AMDGPU_MEM_DOMAIN_GDS,
> > + AMDGPU_MEM_DOMAIN_GWS,
> > + AMDGPU_MEM_DOMAIN_OA,
> > + __MAX_AMDGPU_MEM_DOMAIN
> > +};
>
> Well that is a clear NAK since it duplicates the TTM defines. Please use
> that one instead and don't make this UAPI.
This is defined to help with the chunk of changes below. The
AMDGPU_GEM_DOMAIN* already exists and this is similar to how TTM has
TTM_PL_* to help with the creation of TTM_PL_FLAG_*:
https://elixir.bootlin.com/linux/v4.20-rc4/source/include/drm/ttm/ttm_placement.h#L36
I don't disagree that there is a duplication here but it's
pre-existing so if you can help clarify my confusion that would be
much appreciated.
Reards,
Kenny
> > +
> > +extern char const *amdgpu_mem_domain_names[];
> > +
> > /**
> > * DOC: memory domains
> > *
> > @@ -95,12 +107,12 @@ extern "C" {
> > * %AMDGPU_GEM_DOMAIN_OA Ordered append, used by 3D or Compute engines
> > * for appending data.
> > */
> > -#define AMDGPU_GEM_DOMAIN_CPU 0x1
> > -#define AMDGPU_GEM_DOMAIN_GTT 0x2
> > -#define AMDGPU_GEM_DOMAIN_VRAM 0x4
> > -#define AMDGPU_GEM_DOMAIN_GDS 0x8
> > -#define AMDGPU_GEM_DOMAIN_GWS 0x10
> > -#define AMDGPU_GEM_DOMAIN_OA 0x20
> > +#define AMDGPU_GEM_DOMAIN_CPU (1 << AMDGPU_MEM_DOMAIN_CPU)
> > +#define AMDGPU_GEM_DOMAIN_GTT (1 << AMDGPU_MEM_DOMAIN_GTT)
> > +#define AMDGPU_GEM_DOMAIN_VRAM (1 << AMDGPU_MEM_DOMAIN_VRAM)
> > +#define AMDGPU_GEM_DOMAIN_GDS (1 << AMDGPU_MEM_DOMAIN_GDS)
> > +#define AMDGPU_GEM_DOMAIN_GWS (1 << AMDGPU_MEM_DOMAIN_GWS)
> > +#define AMDGPU_GEM_DOMAIN_OA (1 << AMDGPU_MEM_DOMAIN_OA)
> > #define AMDGPU_GEM_DOMAIN_MASK (AMDGPU_GEM_DOMAIN_CPU | \
> > AMDGPU_GEM_DOMAIN_GTT | \
> > AMDGPU_GEM_DOMAIN_VRAM | \
>
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