[yocto] [PATCHv2 1/1] crownbay.conf: add kernel parameters for EMGD video acceleration

[Kamble, Nitin A]

> -----Original Message-----
> From: Hart, Darren
> Sent: Thursday, October 04, 2012 3:34 PM
> To: Kamble, Nitin A
> Cc: Zanussi, Tom; yocto at yoctoproject.org
> Subject: Re: [PATCHv2 1/1] crownbay.conf: add kernel parameters for EMGD
> video acceleration
> 
> On 10/04/2012 03:23 PM, nitin.a.kamble at intel.com wrote:
> > From: Nitin A Kamble <nitin.a.kamble at intel.com>
> >
> > This is recommended in the EMGD User Guide.
> >
> > My understanding is the emgd kernel driver need to allocate memory
> > dynamically, and the "vmalloc=256MB" parameter ensures enough will be
> > available for the driver.
> 
> OK, this explains the change to vmalloc.
> 
> Why the change of vga=current and the drop of video=vesafb ?

Darren,
   Good catch. I changed this for cleanup, but now I see that it affects the splash screen. So I will resend the commit by dropping these extra changes.

Thanks,
Nitin


> 
> --
> Darren
> 
> >
> > Signed-off-by: Nitin A Kamble <nitin.a.kamble at intel.com>
> > ---
> >  meta-crownbay/conf/machine/crownbay.conf |    2 +-
> >  1 files changed, 1 insertions(+), 1 deletions(-)
> >
> > diff --git a/meta-crownbay/conf/machine/crownbay.conf
> > b/meta-crownbay/conf/machine/crownbay.conf
> > index 40dbd1d..f02615e 100644
> > --- a/meta-crownbay/conf/machine/crownbay.conf
> > +++ b/meta-crownbay/conf/machine/crownbay.conf
> > @@ -21,7 +21,7 @@ PREFERRED_VERSION_xserver-xorg ?= "1.9.3"
> >  PREFERRED_VERSION_mesa-dri ?= "7.11"
> >  PREFERRED_VERSION_xf86-input-evdev ?= "2.6.0"
> >
> > -APPEND += "video=vesafb vga=0x318"
> > +APPEND += "vga=current vmalloc=256MB"
> >
> >  VA_FEATURES = "${@bb.utils.contains("LICENSE_FLAGS_WHITELIST", \
> >  	    "commercial", "gst-va-intel va-intel", "va-intel", d)}"
> >
> 
> --
> Darren Hart
> Intel Open Source Technology Center
> Yocto Project - Linux Kernel