[Intel-gfx] [PATCH] drm/Kconfig: favor n for DRM_I915_PRELIMINARY_HW_SUPPORT

Josh Triplett josh at joshtriplett.org
Tue Aug 20 02:29:45 CEST 2013


On Tue, Aug 20, 2013 at 01:08:22AM +0100, Damien Lespiau wrote:
> On Mon, Aug 19, 2013 at 04:20:40PM -0700, Ben Widawsky wrote:
> > We generally don't want people or distros to use this option unless they
> > know what they're doing. I missed the initial conversation but it's
> > likely a way for people who have a built-in i915.ko and have no other
> > way to change the behavior.
>  
> It's to be able to have a config file to generate kernels supporting
> preliminary hardware, without having to always add the command line
> parameter or carry a patch or changing the bootloader configuration.

Exactly.

> > As such:
> > 	Set default to n
> > 	Display message for what users should select (N)
> > 	and while there, a small whitespace fix.
> > 
> > Cc Josh Triplett <josh at joshtriplett.org>
> 
> Missing the ':' so you didn't end up Ccing Josh.

Thanks for fixing that. :)

> > Signed-off-by: Ben Widawsky <ben at bwidawsk.net>
> > ---
> >  drivers/gpu/drm/Kconfig | 5 ++++-
> >  1 file changed, 4 insertions(+), 1 deletion(-)
> > 
> > diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
> > index 62a06c7..ad4e369 100644
> > --- a/drivers/gpu/drm/Kconfig
> > +++ b/drivers/gpu/drm/Kconfig
> > @@ -171,12 +171,15 @@ config DRM_I915_KMS
> >  config DRM_I915_PRELIMINARY_HW_SUPPORT
> >  	bool "Enable preliminary support for prerelease Intel hardware by default"
> >  	depends on DRM_I915
> > +	default n
> 
> That's the default, you don't have to make it explicit (but of course it
> doesn't hurt). make oldconfig with this new option gives:
> 
>   Enable preliminary support for prerelease Intel hardware by default
>   (DRM_I915_PRELIMINARY_HW_SUPPORT) [N/y/?] (NEW)

Right.  I definitely would *not* have set this to default y, but default
n is the default default, so it doesn't need stating.

- Josh Triplett



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