On Thu, Apr 20, 2017 at 09:47:35AM +0300, Mikko Perttunen wrote:
> Ah, had to forget something :)
>
> Reviewed-by: Mikko Perttunen <mperttunen@xxxxxxxxxx>
Applied to -misc-fixes, thank you
Sean
>
> On 19.04.2017 21:24, Arnd Bergmann wrote:
> > When IOMMU_IOVA is not built-in but host1x is, we get a link error:
> >
> > drivers/gpu/host1x/dev.o: In function `host1x_remove':
> > dev.c:(.text.host1x_remove+0x50): undefined reference to `put_iova_domain'
> > drivers/gpu/host1x/dev.o: In function `host1x_probe':
> > dev.c:(.text.host1x_probe+0x31c): undefined reference to `init_iova_domain'
> > dev.c:(.text.host1x_probe+0x38c): undefined reference to `put_iova_domain'
> > drivers/gpu/host1x/cdma.o: In function `host1x_cdma_init':
> > cdma.c:(.text.host1x_cdma_init+0x238): undefined reference to `alloc_iova'
> > cdma.c:(.text.host1x_cdma_init+0x2c0): undefined reference to `__free_iova'
> > drivers/gpu/host1x/cdma.o: In function `host1x_cdma_deinit':
> > cdma.c:(.text.host1x_cdma_deinit+0xb0): undefined reference to `free_iova'
> >
> > This adds the same select statement that we have for drm_tegra.
> >
> > Fixes: 404bfb78daf3 ("gpu: host1x: Add IOMMU support")
> > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> > ---
> > drivers/gpu/host1x/Kconfig | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/gpu/host1x/Kconfig b/drivers/gpu/host1x/Kconfig
> > index b2fd029d67b3..91916326957f 100644
> > --- a/drivers/gpu/host1x/Kconfig
> > +++ b/drivers/gpu/host1x/Kconfig
> > @@ -1,6 +1,7 @@
> > config TEGRA_HOST1X
> > tristate "NVIDIA Tegra host1x driver"
> > depends on ARCH_TEGRA || (ARM && COMPILE_TEST)
> > + select IOMMU_IOVA if IOMMU_SUPPORT
> > help
> > Driver for the NVIDIA Tegra host1x hardware.
> >
> >
> --
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--
Sean Paul, Software Engineer, Google / Chromium OS
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