Hi Laurent.
On Fri, Aug 16, 2019 at 09:39:05PM +0300, Laurent Pinchart wrote:
> Hi Sam,
>
> On Fri, Aug 16, 2019 at 07:31:05PM +0200, Sam Ravnborg wrote:
> > Hi Laurent
> >
> > Thanks for beating me on this!
> >
> > On Fri, Aug 16, 2019 at 03:22:27PM +0300, Laurent Pinchart wrote:
> > > Standard DRM panel drivers for several panels used by omapfb2 are now
> > > available. Their module name clashes with the modules from
> > > drivers/gpu/drm/omapdrm/displays/, part of the deprecated omapfb2 fbdev
> > > driver. As omapfb2 can only be compiled when the omapdrm driver is
> > > disabled, and the DRM panel drivers are useless in that case, make the
> > > omapfb2 panels depend on the standard DRM panels being disabled to fix
> > > the name clash.
> > >
> > > Signed-off-by: Laurent Pinchart <[email protected]>
> > > ---
> > > drivers/video/fbdev/omap2/omapfb/displays/Kconfig | 5 +++++
> > > 1 file changed, 5 insertions(+)
> > >
> > > diff --git a/drivers/video/fbdev/omap2/omapfb/displays/Kconfig
> > > b/drivers/video/fbdev/omap2/omapfb/displays/Kconfig
> > > index 8c1c5a4cfe18..744416dc530e 100644
> > > --- a/drivers/video/fbdev/omap2/omapfb/displays/Kconfig
> > > +++ b/drivers/video/fbdev/omap2/omapfb/displays/Kconfig
> > > @@ -49,6 +49,7 @@ config FB_OMAP2_PANEL_DSI_CM
> > > config FB_OMAP2_PANEL_SONY_ACX565AKM
> > > tristate "ACX565AKM Panel"
> > > depends on SPI && BACKLIGHT_CLASS_DEVICE
> > > + depends on DRM_PANEL_SONY_ACX565AKM = n
> >
> > Would:
> > depends on !DRM_PANEL_SONY_ACX565AKM
> >
> > do the same?
> >
> > Example:
> > config FB_INTEL
> > tristate "Intel
> > 830M/845G/852GM/855GM/865G/915G/945G/945GM/965G/965GM support"
> > depends on FB && PCI && X86 && AGP_INTEL && EXPERT
> > ...
> > depends on !DRM_I915
> >
> >
> > DRM_915 is a tristate symbol.
> >
> > It is maybe bikeshedding, but the !<SYMBOL> seems more logical/readable to
> > me.
>
> The two are equivalent as far as I can tell, so I'm fine with !<SYMBOL>.
> Would you change that when applying, or should I send a v2 ?
I failed to convince myself they are equivalent.
From kconfig-languae.rst:
"
'!' <expr> (6)
(6) Returns the result of (2-/expr/).
An expression can have a value of 'n', 'm' or 'y' (or 0, 1, 2
respectively for calculations). A menu entry becomes visible when its
expression evaluates to 'm' or 'y'.
"
So !<SYMBOL> equals 1 for m and 0 for y. If I get it right.
My testing was not fully conclusive.
So I left it as is.
Added a few Fixes: etc. tags.
Applied and pushed to drm-misc-next.
Ohh, and dim came to my rescue. My Fixes: syntax was wrong but it was
caught in my "dim push" - nice.
Sam
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