[0/22] Make SVGA oriented FBs work on multi-domain PCI

Commit Message

David Miller Jan. 17, 2011, 4:30 a.m. UTC

None

Patch

diff --git a/drivers/video/s3fb.c b/drivers/video/s3fb.c
index 4b8f215..00152f6 100644
--- a/drivers/video/s3fb.c
+++ b/drivers/video/s3fb.c
@@ -1053,6 +1053,13 @@  static int __devinit s3_pci_probe(struct pci_dev *dev, const struct pci_device_i
 	vga_wcrt(par->state.vgabase, 0x38, cr38);
 	vga_wcrt(par->state.vgabase, 0x39, cr39);
 
+	/* Ensure that the card will respond to legacy VGA memory
+	 * accesses.
+	 */
+	regval = vga_r(par->state.vgabase, VGA_MIS_R);
+	regval |= VGA_MIS_ENB_MEM_ACCESS;
+	vga_w(par->state.vgabase, VGA_MIS_W, regval);
+
 	strcpy(info->fix.id, s3_names [par->chip]);
 	info->fix.mmio_start = 0;
 	info->fix.mmio_len = 0;