#include <asm/irq.h>
#include <asm/pgtable.h>
#include <asm/system.h>
-#include <asm/uaccess.h>
#ifdef CONFIG_MTRR
#include <asm/mtrr.h>
savagefb_blank(FB_BLANK_UNBLANK, info);
}
+static int savagefb_open(struct fb_info *info, int user)
+{
+ struct savagefb_par *par = info->par;
+
+ mutex_lock(&par->open_lock);
+
+ if (!par->open_count) {
+ memset(&par->vgastate, 0, sizeof(par->vgastate));
+ par->vgastate.flags = VGA_SAVE_CMAP | VGA_SAVE_FONTS |
+ VGA_SAVE_MODE;
+ par->vgastate.vgabase = par->mmio.vbase + 0x8000;
+ save_vga(&par->vgastate);
+ savage_get_default_par(par, &par->initial);
+ }
+
+ par->open_count++;
+ mutex_unlock(&par->open_lock);
+ return 0;
+}
+
+static int savagefb_release(struct fb_info *info, int user)
+{
+ struct savagefb_par *par = info->par;
+
+ mutex_lock(&par->open_lock);
+
+ if (par->open_count == 1) {
+ savage_set_default_par(par, &par->initial);
+ restore_vga(&par->vgastate);
+ }
+
+ par->open_count--;
+ mutex_unlock(&par->open_lock);
+ return 0;
+}
+
static struct fb_ops savagefb_ops = {
.owner = THIS_MODULE,
+ .fb_open = savagefb_open,
+ .fb_release = savagefb_release,
.fb_check_var = savagefb_check_var,
.fb_set_par = savagefb_set_par,
.fb_setcolreg = savagefb_setcolreg,
#if defined(CONFIG_FB_SAVAGE_ACCEL)
/* FIFO size + padding for commands */
- info->pixmap.addr = kmalloc(8*1024, GFP_KERNEL);
+ info->pixmap.addr = kcalloc(8, 1024, GFP_KERNEL);
err = -ENOMEM;
if (info->pixmap.addr) {
- memset(info->pixmap.addr, 0, 8*1024);
info->pixmap.size = 8*1024;
info->pixmap.scan_align = 4;
info->pixmap.buf_align = 4;
if (!info)
return -ENOMEM;
par = info->par;
+ mutex_init(&par->open_lock);
err = pci_enable_device(dev);
if (err)
goto failed_enable;