Am Freitag, den 14.07.2017, 11:32 -0700 schrieb Joshua Clayton: > On Friday, July 14, 2017 7:38:01 AM PDT Lucas Stach wrote: > > While this is no build dependency, etnaviv will only work correctly on most > > systems if CMA and DMA_CMA are enabled. Select both options if available to > > avoid users ending up with a non-working GPU due to a lacking kernel config. > > > > Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx> > > --- > > drivers/gpu/drm/etnaviv/Kconfig | 2 ++ > > 1 file changed, 2 insertions(+) > > > > diff --git a/drivers/gpu/drm/etnaviv/Kconfig > > b/drivers/gpu/drm/etnaviv/Kconfig index 71cee4e9fefb..38b477b5fbf9 100644 > > --- a/drivers/gpu/drm/etnaviv/Kconfig > > +++ b/drivers/gpu/drm/etnaviv/Kconfig > > @@ -10,6 +10,8 @@ config DRM_ETNAVIV > > select IOMMU_API > > select IOMMU_SUPPORT > > select WANT_DEV_COREDUMP > > + select CMA if HAVE_DMA_CONTIGUOUS > > + select DMA_CMA if HAVE_DMA_CONTIGUOUS > > help > > DRM driver for Vivante GPUs. > IIRC, This at least half solves it. > Does the user of systems with > 2 GiB need to explicitly specify cma size for > it to work? No, we move the linear memory window to the location of the CMA area, which means as long as the user doesn't explicitly specify a CMA size > 2GB things will just work. Regards, Lucas _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
