BR,
Aaron Liu

> -----Original Message-----
> From: Tuikov, Luben <[email protected]>
> Sent: Wednesday, November 20, 2019 7:52 AM
> To: Liu, Aaron <[email protected]>; [email protected]
> Cc: Deucher, Alexander <[email protected]>; Huang, Ray
> <[email protected]>; Koenig, Christian <[email protected]>
> 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 <[email protected]>
> > ---
> >  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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