> -----Original Message----- > From: Darren Hart [mailto:[email protected]] > Sent: Tuesday, April 23, 2013 4:20 PM > To: Kamble, Nitin A > Cc: Meta Intel > Subject: Re: [meta-intel] [PATCH] fri2: Disable MSI interrupts for the HDA > device > > > > On 04/23/2013 03:59 PM, Kamble, Nitin A wrote: > > Darren, > > Does this resolve the audio issue on FRI2 hardware, and there is no need > to mention it in the release notes? > > As far as I can tell it resolves the problem. There is a remaining issue that > the > audio mixer needs to be setup manually since for some reason the alsastate > isn't restoring a sane value (not sure why). That can be documented in the > fri2 wiki though. I don't think you have to document anything for the FRI2 in > the release notes. > > (I am having trouble with my serial console, but that may just be my > hardware.... I don't see us getting to the bottom of that before release)
Thanks for the clarification. Nitin > > -- > Darren > > > > > Thanks, > > Nitin > > > > > >> -----Original Message----- > >> From: [email protected] [mailto:meta-intel- > >> [email protected]] On Behalf Of Darren Hart > >> Sent: Tuesday, April 23, 2013 2:34 PM > >> To: Meta Intel > >> Cc: Darren Hart > >> Subject: [meta-intel] [PATCH] fri2: Disable MSI interrupts for the > >> HDA device > >> > >> MSI interrupts fail when using the EFI firmware on the FRI2. > >> Disabling them enables the HDA device to function properly on both > >> BIOS and EFI versions of the device. > >> > >> Applies to master and dylan patches. > >> > >> Signed-off-by: Darren Hart <[email protected]> > >> --- > >> meta-fri2/conf/machine/fri2-noemgd.conf | 2 ++ > >> meta-fri2/conf/machine/fri2.conf | 3 +++ > >> 2 files changed, 5 insertions(+), 0 deletions(-) > >> > >> diff --git a/meta-fri2/conf/machine/fri2-noemgd.conf b/meta- > >> fri2/conf/machine/fri2-noemgd.conf > >> index d9558a4..5bb9edd 100644 > >> --- a/meta-fri2/conf/machine/fri2-noemgd.conf > >> +++ b/meta-fri2/conf/machine/fri2-noemgd.conf > >> @@ -29,3 +29,5 @@ APPEND += "console=ttyPCH1,115200 console=tty0" > >> # EFI boot will ignore this and use the EFI framebuffer at 800x600 > >> APPEND > >> += "video=vesafb vga=0x318" > >> > >> +# MSI interrupts fail for the HDA device when using the EFI firmware > >> +APPEND += "snd_hda_intel.enable_msi=0" > >> diff --git a/meta-fri2/conf/machine/fri2.conf b/meta- > >> fri2/conf/machine/fri2.conf index da57251..4fd8aa9 100644 > >> --- a/meta-fri2/conf/machine/fri2.conf > >> +++ b/meta-fri2/conf/machine/fri2.conf > >> @@ -42,3 +42,6 @@ APPEND += "video=vesafb vga=0x318" > >> > >> # EMGD kernel driver needs at least 256MB of vmalloc space APPEND > >> += "vmalloc=256MB" > >> + > >> +# MSI interrupts fail for the HDA device when using the EFI firmware > >> +APPEND += "snd_hda_intel.enable_msi=0" > >> -- > >> 1.7.5.4 > >> > >> _______________________________________________ > >> meta-intel mailing list > >> [email protected] > >> https://lists.yoctoproject.org/listinfo/meta-intel > > -- > Darren Hart > Intel Open Source Technology Center > Yocto Project - Technical Lead - Linux Kernel _______________________________________________ meta-intel mailing list [email protected] https://lists.yoctoproject.org/listinfo/meta-intel
