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| author | Mike Travis <travis@sgi.com> | 2010-02-02 14:38:13 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-04-26 07:41:31 -0700 |
| commit | a6f2691c29ef956de68ed070f0a74a7a22e24fd6 (patch) | |
| tree | 55aa38a2c729cca51963fcfb00c2457e3a55e324 /include/linux/pci.h | |
| parent | cf1b641450854a784a388273b089181c34a00b6c (diff) | |
| download | lwn-a6f2691c29ef956de68ed070f0a74a7a22e24fd6.tar.gz lwn-a6f2691c29ef956de68ed070f0a74a7a22e24fd6.zip | |
pci: Update pci_set_vga_state() to call arch functions
commit 95a8b6efc5d07103583f706c8a5889437d537939 upstream.
Update pci_set_vga_state to call arch dependent functions to enable Legacy
VGA I/O transactions to be redirected to correct target.
[akpm@linux-foundation.org: make pci_register_set_vga_state() __init]
Signed-off-by: Mike Travis <travis@sgi.com>
LKML-Reference: <201002022238.o12McE1J018723@imap1.linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Robin Holt <holt@sgi.com>
Cc: Jack Steiner <steiner@sgi.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: David Airlie <airlied@linux.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: maximilian attems <max@stro.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include/linux/pci.h')
| -rw-r--r-- | include/linux/pci.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index 2547515f7e92..e07d194d0aec 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -945,6 +945,11 @@ static inline int pci_proc_domain(struct pci_bus *bus) } #endif /* CONFIG_PCI_DOMAINS */ +/* some architectures require additional setup to direct VGA traffic */ +typedef int (*arch_set_vga_state_t)(struct pci_dev *pdev, bool decode, + unsigned int command_bits, bool change_bridge); +extern void pci_register_set_vga_state(arch_set_vga_state_t func); + #else /* CONFIG_PCI is not enabled */ /* |