BR,
Aaron Liu
> -----Original Message-----
> From: Tuikov, Luben <luben.tui...@amd.com>
> Sent: Wednesday, November 20, 2019 7:52 AM
> To: Liu, Aaron <aaron....@amd.com>; amd-gfx@lists.freedesktop.org
> Cc: Deucher, Alexander <alexander.deuc...@amd.com>; Huang, Ray
> <ray.hu...@amd.com>; Koenig, Christian <christian.koe...@amd.com>
> Subject: Re: [PATCH 5/5] drm/amdgpu: enable TMZ bit in FRAME_CONTROL
> for gfx10
>
> On 2019-11-18 12:18 a.m., Aaron Liu wrote:
> > This patch enables TMZ bit in FRAME_CONTROL for gfx10.
> >
> > Signed-off-by: Aaron Liu <aaron....@amd.com>
> > ---
> > drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
> b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
> > index d6e11ee..8dce067 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
> > @@ -4588,7 +4588,7 @@ static void gfx_v10_0_ring_emit_cntxcntl(struct
> amdgpu_ring *ring,
> > gfx_v10_0_ring_emit_ce_meta(ring,
> > flags & AMDGPU_IB_PREEMPTED ? true :
> false);
> >
> > - gfx_v10_0_ring_emit_tmz(ring, true, false);
> > + gfx_v10_0_ring_emit_tmz(ring, true, trusted);
> >
>
> Do you mean here "true" (the opposite of "false") as opposed to "trusted"?
>
Here need to consider both non-TMZ and TMZ. Trusted value is decided by
cs.in.flags in
amdgpu_cs_submit* from libdrm.
> Regards,
> Luben
>
> > dw2 |= 0x80000000; /* set load_enable otherwise this package is just
> NOPs */
> > if (flags & AMDGPU_HAVE_CTX_SWITCH) {
> >
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