From: David Miller <davem@davemloft.net>
Date: Tue, 11 Jan 2011 23:54:35 +0000 (+0000)
Subject: arkfb: Compute VGA base iomem pointer explicitly.
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=892c24ca40ffebf6d0ca4cc1454e58db131a4f5a;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

arkfb: 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>
---

diff --git a/drivers/video/arkfb.c b/drivers/video/arkfb.c
index 1c69db310ed5..8686429cbdf0 100644
--- a/drivers/video/arkfb.c
+++ b/drivers/video/arkfb.c
@@ -951,6 +951,8 @@ static struct fb_ops arkfb_ops = {
 /* PCI probe */
 static int __devinit ark_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 arkfb_info *par;
 	int rc;
@@ -1006,6 +1008,15 @@ static int __devinit ark_pci_probe(struct pci_dev *dev, const struct pci_device_
 		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;
+
 	/* FIXME get memsize */
 	regval = vga_rseq(par->state.vgabase, 0x10);
 	info->screen_size = (1 << (regval >> 6)) << 20;