[meta-intel] [PATCH 1/3] crownbay-noemgd: disable the gma500_gfx module

[Tom Zanussi]

On Fri, 2014-10-10 at 12:25 -0500, Kamble, Nitin A wrote:
> 
> On 10/10/14, 6:37 AM, "Zanussi, Tom" <tom.zanussi at intel.com> wrote:
> 
> >On Thu, 2014-10-09 at 15:11 -0700, nitin.a.kamble at intel.com wrote:
> >> From: Nitin A Kamble <nitin.a.kamble at intel.com>
> >> 
> >> The gmx500 graphics driver does not work on this BSP, but it takes
> >> the ownership of the graphics hardware at boot time, blocking other
> >> drivers from using the graphics hardware.
> >> 
> >> Fix the issue by blacklisting the gma500_gfx kernel module in the kmod
> >> configuration, so that it doesn't get loaded at boot time.
> >> 
> >
> >Is this really the right way to do this?  It will only work if
> >CONFIG_XXX=m.  If m->y at some point, the whole .bbappend becomes
> >useless at best.
> 
> That is why the gma500 is converted from y to m. And with the common
> kernel,
> It should be m anyway. If you have better way to solve you can share.
> 

Why not a config fragment that turns it off for that BSP?

The more general question is whether the common kernel mandates
everything be 'm' for this reason.

Tom

> Nitin
> 
> 
> >
> >Tom
> >
> >> Fixes Bug:
> >> [YOCTO #6807]
> >> 
> >> Signed-off-by: Nitin A Kamble <nitin.a.kamble at intel.com>
> >> ---
> >>  meta-crownbay/recipes-kernel/kmod/kmod_git.bbappend | 3 +++
> >>  1 file changed, 3 insertions(+)
> >>  create mode 100644 meta-crownbay/recipes-kernel/kmod/kmod_git.bbappend
> >> 
> >> diff --git a/meta-crownbay/recipes-kernel/kmod/kmod_git.bbappend
> >>b/meta-crownbay/recipes-kernel/kmod/kmod_git.bbappend
> >> new file mode 100644
> >> index 0000000..56d8fcb
> >> --- /dev/null
> >> +++ b/meta-crownbay/recipes-kernel/kmod/kmod_git.bbappend
> >> @@ -0,0 +1,3 @@
> >> +do_install_append () {
> >> +	echo "blacklist gma500_gfx" >
> >>${D}${sysconfdir}/modprobe.d/prohibit_gma500_gfx.conf
> >> +}
> >
> >
>