Re: [Stable-review] [06/49] drm/kms: remove spaces from connectornames (v2)

From: Greg KH
Date: Wed Jan 05 2011 - 18:59:25 EST


On Wed, Jan 05, 2011 at 11:49:05PM +0000, Ben Hutchings wrote:
> On Wed, 2011-01-05 at 15:00 -0800, Greg KH wrote:
> > 2.6.32-longterm review patch. If anyone has any objections, please let us know.
> >
> > ------------------
> >
> > From: Alex Deucher <alexdeucher@xxxxxxxxx>
> >
> > commit e76116ca9671e2e5239054a40303b94feab585ad upstream.
> >
> > Grub doesn't parse spaces in parameters correctly, so
> > this makes it impossible to force video= parameters
> > for kms on the grub kernel command line.
> >
> > v2: shorten the names to make them easier to type.
> [...]
> > --- a/drivers/gpu/drm/drm_crtc.c
> > +++ b/drivers/gpu/drm/drm_crtc.c
> > @@ -144,10 +144,10 @@ static struct drm_conn_prop_enum_list dr
> > { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 },
> > { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 },
> > { DRM_MODE_CONNECTOR_Component, "Component", 0 },
> > - { DRM_MODE_CONNECTOR_9PinDIN, "9-pin DIN", 0 },
> > - { DRM_MODE_CONNECTOR_DisplayPort, "DisplayPort", 0 },
> > - { DRM_MODE_CONNECTOR_HDMIA, "HDMI Type A", 0 },
> > - { DRM_MODE_CONNECTOR_HDMIB, "HDMI Type B", 0 },
> > + { DRM_MODE_CONNECTOR_9PinDIN, "DIN", 0 },
> > + { DRM_MODE_CONNECTOR_DisplayPort, "DP", 0 },
> [...]
>
> Why change 'DisplayPort', which doesn't have a space in it? This might
> break a previously working kernel command line.

That's what happened in Linus's tree, I just mirror it :)

thanks,

greg k-h
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