[PATCH v2 1/9] PCI/VGA: Move vgaarb to drivers/pci

Bjorn Helgaas helgaas at kernel.org
Thu Jul 22 21:55:47 UTC 2021


On Thu, Jul 22, 2021 at 02:38:43PM -0700, Randy Dunlap wrote:
> On 7/22/21 2:29 PM, Bjorn Helgaas wrote:
> > From: Bjorn Helgaas <bhelgaas at google.com>
> > 
> > The VGA arbiter is really PCI-specific and doesn't depend on any GPU
> > things.  Move it to the PCI subsystem.
> > 
> > Signed-off-by: Bjorn Helgaas <bhelgaas at google.com>
> > ---
> >  drivers/gpu/vga/Kconfig           | 19 -------------------
> >  drivers/gpu/vga/Makefile          |  1 -
> >  drivers/pci/Kconfig               | 19 +++++++++++++++++++
> >  drivers/pci/Makefile              |  1 +
> >  drivers/{gpu/vga => pci}/vgaarb.c |  0
> >  5 files changed, 20 insertions(+), 20 deletions(-)
> >  rename drivers/{gpu/vga => pci}/vgaarb.c (100%)
> > 
> 
> > diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
> > index 0c473d75e625..7c9e56d7b857 100644
> > --- a/drivers/pci/Kconfig
> > +++ b/drivers/pci/Kconfig
> > @@ -252,6 +252,25 @@ config PCIE_BUS_PEER2PEER
> >  
> >  endchoice
> >  
> > +config VGA_ARB
> > +	bool "VGA Arbitration" if EXPERT
> > +	default y
> > +	depends on (PCI && !S390)
> 
> You can drop the PCI part above.
> 
> > +	help
> > +	  Some "legacy" VGA devices implemented on PCI typically have the same
> > +	  hard-decoded addresses as they did on ISA. When multiple PCI devices
> > +	  are accessed at same time they need some kind of coordination. Please
> > +	  see Documentation/gpu/vgaarbiter.rst for more details. Select this to
> 
> Move that Doc file also...

Thanks!  Fixed both locally.


More information about the dri-devel mailing list