On Thu, Apr 08, 2021 at 11:20:11AM +0200, David Hildenbrand wrote: > Random drivers should not override a user configuration of core knobs > (e.g., CONFIG_DMA_CMA=n). Use "imply" instead, to still respect > dependencies and manual overrides. > > "This is similar to "select" as it enforces a lower limit on another > symbol except that the "implied" symbol's value may still be set to n > from a direct dependency or with a visible prompt." > > Implying DRM_CMA should be sufficient, as that depends on CMA. ^ DMA_CMA > > Note: If this is a real dependency, we should use "depends on DMA_CMA" > instead - but I assume the driver can work without CMA just fine -- > esp. when we wouldn't have HAVE_DMA_CONTIGUOUS right now. > > Signed-off-by: David Hildenbrand <david@xxxxxxxxxx> > --- > drivers/gpu/drm/aspeed/Kconfig | 3 +-- > drivers/gpu/drm/etnaviv/Kconfig | 3 +-- > 2 files changed, 2 insertions(+), 4 deletions(-) > > diff --git a/drivers/gpu/drm/aspeed/Kconfig b/drivers/gpu/drm/aspeed/Kconfig > index 5e95bcea43e9..a055f763d230 100644 > --- a/drivers/gpu/drm/aspeed/Kconfig > +++ b/drivers/gpu/drm/aspeed/Kconfig > @@ -6,9 +6,8 @@ config DRM_ASPEED_GFX > depends on MMU > select DRM_KMS_HELPER > select DRM_KMS_CMA_HELPER > - select DMA_CMA if HAVE_DMA_CONTIGUOUS > - select CMA if HAVE_DMA_CONTIGUOUS > select MFD_SYSCON > + imply DRM_CMA Ditto > help > Chose this option if you have an ASPEED AST2500 SOC Display > Controller (aka GFX). > diff --git a/drivers/gpu/drm/etnaviv/Kconfig b/drivers/gpu/drm/etnaviv/Kconfig > index faa7fc68b009..5f5576b7221a 100644 > --- a/drivers/gpu/drm/etnaviv/Kconfig > +++ b/drivers/gpu/drm/etnaviv/Kconfig > @@ -9,9 +9,8 @@ config DRM_ETNAVIV > select THERMAL if DRM_ETNAVIV_THERMAL > select TMPFS > select WANT_DEV_COREDUMP > - select CMA if HAVE_DMA_CONTIGUOUS > - select DMA_CMA if HAVE_DMA_CONTIGUOUS > select DRM_SCHED > + imply DMA_CMA > help > DRM driver for Vivante GPUs. > > -- > 2.30.2 > -- Sincerely yours, Mike. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel