On Mon, Jul 1, 2019 at 1:45 PM Rob Clark <robdcl...@gmail.com> wrote:
>
> On Mon, Jul 1, 2019 at 10:39 AM Jeffrey Hugo <jeffrey.l.h...@gmail.com> wrote:
> >
> > Creating the msm gem address space requires a reference to the dev where
> > the iommu is located. The driver currently assumes this is the same as
> > the platform device, which breaks when the iommu is outside of the
> > platform device. Use the drm_device instead, which happens to always have
> > a reference to the proper device.
> >
> > Signed-off-by: Jeffrey Hugo <jeffrey.l.h...@gmail.com>
> > ---
> > drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
> > b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
> > index 4a60f5fca6b0..1347a5223918 100644
> > --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
> > +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
> > @@ -702,7 +702,7 @@ struct msm_kms *mdp5_kms_init(struct drm_device *dev)
> > mdelay(16);
> >
> > if (config->platform.iommu) {
> > - aspace = msm_gem_address_space_create(&pdev->dev,
> > + aspace = msm_gem_address_space_create(dev->dev,
> > config->platform.iommu, "mdp5");
>
> hmm, do you have a tree somewhere with your dt files? This makes me
> think the display iommu is hooked up somewhere differently compared
> to, say, msm8916.dtsi
I'll post something somewhere and forward it to you.
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