From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alan Cox Date: Thu, 28 Sep 2006 10:54:00 +0000 Subject: Re: [PATCH 2.6.18] PCI: Turn pci_fixup_video into generic for Message-Id: <1159442302.11049.404.camel@localhost.localdomain> List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: eiichiro.oiwa.nm@hitachi.com Cc: akpm@osdl.org, tony.luck@intel.com, greg@kroah.com, Jesse Barnes , linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org Ar Iau, 2006-09-28 am 13:55 +0900, ysgrifennodd eiichiro.oiwa.nm@hitachi.com: > pci_fixup_video turns into generic code because there are many platforms need this fixup > for embedded VGA as well as x86. The Video BIOS integrates into System BIOS on a machine > has embedded VGA although embedded VGA generally don't have PCI ROM. As a result, > embedded VGA need the way that the sysfs rom points to the Video BIOS of System > RAM (0xC0000). PCI-to-PCI Bridge Architecture specification describes the condition whether > or not PCI ROM forwards VGA compatible memory address. fixup_video suits this specification. > Although the Video ROM generally implements in x86 code regardless of platform, some > application such as X Window System can run this code by dosemu86. Therefore, > pci_fixup_video should turn into generic code. > > > Signed-off-by: Eiichiro Oiwa Acked-by: Alan Cox