[PATCH] drm/amd/display: revert "enable GPU VM support"

[Deucher, Alexander]

> -----Original Message-----
> From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf
> Of Harry Wentland
> Sent: Monday, October 30, 2017 11:02 AM
> To: Christian König; amd-gfx at lists.freedesktop.org
> Subject: Re: [PATCH] drm/amd/display: revert "enable GPU VM support"
> 
> On 2017-10-30 10:55 AM, Christian König wrote:
> > From: Christian König <christian.koenig at amd.com>
> >
> > This reverts commit aa7187c5c640559ebc02caa0191c0db46b55b4a6.
> >
> > Disable GPU VM support again for now until it doesn't cause a warning on
> > hardware which doesn't support it.
> >
> > Signed-off-by: Christian König <christian.koenig at amd.com>
> 
> Reviewed-by: Harry Wentland <harry.wentland at amd.com>
> 
> I'll still try to hack DC to not blow up with this after which we can bring this
> back. Hopefully by end of the week.

In the short term, can't we do something like:

if (adev->flags & AMDGPU_IS_APU && adev->asic_type >= CHIP_CARRIZO)
    init_data.flags.gpu_vm_support = true;

Alex

> 
> Harry
> 
> > ---
> >  drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 --
> >  1 file changed, 2 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> > index c13110f..e6ec130 100644
> > --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> > +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> > @@ -417,8 +417,6 @@ static int amdgpu_dm_init(struct amdgpu_device
> *adev)
> >
> >  	init_data.dce_environment = DCE_ENV_PRODUCTION_DRV;
> >
> > -	init_data.flags.gpu_vm_support = true;
> > -
> >  	if (amdgpu_dc_log)
> >  		init_data.log_mask = DC_DEFAULT_LOG_MASK;
> >  	else
> >
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