Am Montag, den 22.08.2016, 12:22 +0100 schrieb Russell King - ARM Linux:
> On Mon, Aug 22, 2016 at 01:00:57PM +0200, Lucas Stach wrote:
> > There is no linear window on MMUv2 and the FE can access the full 4GB
> > address space either directly (as long as the MMU isn't configured) or
> > through the MMU, once it is up.
> >
> > Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
> > ---
> > drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 4 +++-
> > 1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
> > index 433d2df0907b..2306962330a0 100644
> > --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
> > +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
> > @@ -678,7 +678,9 @@ int etnaviv_gpu_init(struct etnaviv_gpu *gpu)
> > dev_err(gpu->dev, "could not create command buffer\n");
> > goto destroy_iommu;
> > }
> > - if (gpu->buffer->paddr - gpu->memory_base > 0x80000000) {
> > +
> > + if (!(gpu->identity.minor_features1 & chipMinorFeatures1_MMU_VERSION) &&
>
> Why are you using a different test to the one in patch 2? By this
> time, we've already setup the MMU, so the test can be the same.
>
That's right. I'll change this to be consistent.
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