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authorDavid Miller <davem@davemloft.net>2011-01-11 23:54:21 +0000
committerPaul Mundt <lethal@linux-sh.org>2011-03-22 15:47:51 +0900
commit94c322c30bd14ae6cdd369cb4a1f94c5c3809ac9 (patch)
tree4418fdf8446ea20a8e9edbcb51013ade2d0bf92c /drivers/video/s3fb.c
parent0144a2568c7d8e58806d3f176f8454c3a3a35ba0 (diff)
s3fb: Compute VGA base iomem pointer explicitly.
This allows the driver to work in multi-domain PCI configurations. Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/video/s3fb.c')
-rw-r--r--drivers/video/s3fb.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/video/s3fb.c b/drivers/video/s3fb.c
index b2286f916b5d..55a94b94a326 100644
--- a/drivers/video/s3fb.c
+++ b/drivers/video/s3fb.c
@@ -934,6 +934,8 @@ static int __devinit s3_identification(struct s3fb_info *par)
static int __devinit s3_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
{
+ struct pci_bus_region bus_reg;
+ struct resource vga_res;
struct fb_info *info;
struct s3fb_info *par;
int rc;
@@ -983,6 +985,15 @@ static int __devinit s3_pci_probe(struct pci_dev *dev, const struct pci_device_i
goto err_iomap;
}
+ bus_reg.start = 0;
+ bus_reg.end = 64 * 1024;
+
+ vga_res.flags = IORESOURCE_IO;
+
+ pcibios_bus_to_resource(dev, &vga_res, &bus_reg);
+
+ par->state.vgabase = (void __iomem *) vga_res.start;
+
/* Unlock regs */
cr38 = vga_rcrt(par->state.vgabase, 0x38);
cr39 = vga_rcrt(par->state.vgabase, 0x39);

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