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tridentfb: convert fb_info into allocated one

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This patch converts fb_info structure from global variable to allocatable one.

The global default_par is moved into function variable.

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Krzysztof Helt 2008-07-23 21:30:51 -07:00 committed by Linus Torvalds
parent 306fa6f60a
commit e09ed099d0
1 changed files with 46 additions and 36 deletions
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82
drivers/video/tridentfb.c
View file

@ -33,10 +33,7 @@ struct tridentfb_par {
static unsigned char eng_oper; /* engine operation... */
static struct fb_ops tridentfb_ops;
static struct tridentfb_par default_par;
/* FIXME:kmalloc these 3 instead */
static struct fb_info fb_info;
static u32 pseudo_pal[16];
static struct fb_var_screeninfo default_var;
@ -1217,16 +1214,23 @@ static struct fb_ops tridentfb_ops = {
.fb_imageblit = cfb_imageblit,
};
static int __devinit trident_pci_probe(struct pci_dev * dev,
const struct pci_device_id * id)
static int __devinit trident_pci_probe(struct pci_dev *dev,
const struct pci_device_id *id)
{
int err;
unsigned char revision;
struct fb_info *info;
struct tridentfb_par *default_par;
err = pci_enable_device(dev);
if (err)
return err;
info = framebuffer_alloc(sizeof(struct tridentfb_par), &dev->dev);
if (!info)
return -ENOMEM;
default_par = info->par;
chip_id = id->device;
if (chip_id == CYBERBLADEi1)
@ -1282,8 +1286,6 @@ static int __devinit trident_pci_probe(struct pci_dev * dev,
/* acceleration is on by default for 3D chips */
defaultaccel = chip3D && !noaccel;
fb_info.par = &default_par;
/* setup MMIO region */
tridentfb_fix.mmio_start = pci_resource_start(dev, 1);
tridentfb_fix.mmio_len = chip3D ? 0x20000 : 0x10000;
@ -1293,9 +1295,10 @@ static int __devinit trident_pci_probe(struct pci_dev * dev,
return -1;
}
default_par.io_virt = ioremap_nocache(tridentfb_fix.mmio_start, tridentfb_fix.mmio_len);
default_par->io_virt = ioremap_nocache(tridentfb_fix.mmio_start,
tridentfb_fix.mmio_len);
if (!default_par.io_virt) {
if (!default_par->io_virt) {
debug("ioremap failed\n");
err = -1;
goto out_unmap1;
@ -1305,46 +1308,46 @@ static int __devinit trident_pci_probe(struct pci_dev * dev,
/* setup framebuffer memory */
tridentfb_fix.smem_start = pci_resource_start(dev, 0);
tridentfb_fix.smem_len = get_memsize(&default_par);
tridentfb_fix.smem_len = get_memsize(default_par);
if (!request_mem_region(tridentfb_fix.smem_start, tridentfb_fix.smem_len, "tridentfb")) {
debug("request_mem_region failed!\n");
disable_mmio(fb_info.par);
disable_mmio(info->par);
err = -1;
goto out_unmap1;
}
fb_info.screen_base = ioremap_nocache(tridentfb_fix.smem_start,
tridentfb_fix.smem_len);
info->screen_base = ioremap_nocache(tridentfb_fix.smem_start,
tridentfb_fix.smem_len);
if (!fb_info.screen_base) {
if (!info->screen_base) {
debug("ioremap failed\n");
err = -1;
goto out_unmap2;
}
output("%s board found\n", pci_name(dev));
displaytype = get_displaytype(&default_par);
displaytype = get_displaytype(default_par);
if (flatpanel)
nativex = get_nativex(&default_par);
nativex = get_nativex(default_par);
fb_info.fix = tridentfb_fix;
fb_info.fbops = &tridentfb_ops;
info->fix = tridentfb_fix;
info->fbops = &tridentfb_ops;
fb_info.flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
#ifdef CONFIG_FB_TRIDENT_ACCEL
fb_info.flags |= FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT;
info->flags |= FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT;
#endif
fb_info.pseudo_palette = pseudo_pal;
info->pseudo_palette = pseudo_pal;
if (!fb_find_mode(&default_var, &fb_info,
if (!fb_find_mode(&default_var, info,
mode_option, NULL, 0, NULL, bpp)) {
err = -EINVAL;
goto out_unmap2;
}
err = fb_alloc_cmap(&fb_info.cmap, 256, 0);
err = fb_alloc_cmap(&info->cmap, 256, 0);
if (err < 0)
goto out_unmap2;
@ -1353,39 +1356,46 @@ static int __devinit trident_pci_probe(struct pci_dev * dev,
else
default_var.accel_flags &= ~FB_ACCELF_TEXT;
default_var.activate |= FB_ACTIVATE_NOW;
fb_info.var = default_var;
fb_info.device = &dev->dev;
if (register_framebuffer(&fb_info) < 0) {
info->var = default_var;
info->device = &dev->dev;
if (register_framebuffer(info) < 0) {
printk(KERN_ERR "tridentfb: could not register Trident framebuffer\n");
fb_dealloc_cmap(&fb_info.cmap);
fb_dealloc_cmap(&info->cmap);
err = -EINVAL;
goto out_unmap2;
}
output("fb%d: %s frame buffer device %dx%d-%dbpp\n",
fb_info.node, fb_info.fix.id, default_var.xres,
info->node, info->fix.id, default_var.xres,
default_var.yres, default_var.bits_per_pixel);
pci_set_drvdata(dev, info);
return 0;
out_unmap2:
if (fb_info.screen_base)
iounmap(fb_info.screen_base);
if (info->screen_base)
iounmap(info->screen_base);
release_mem_region(tridentfb_fix.smem_start, tridentfb_fix.smem_len);
disable_mmio(fb_info.par);
disable_mmio(info->par);
out_unmap1:
if (default_par.io_virt)
iounmap(default_par.io_virt);
if (default_par->io_virt)
iounmap(default_par->io_virt);
release_mem_region(tridentfb_fix.mmio_start, tridentfb_fix.mmio_len);
framebuffer_release(info);
return err;
}
static void __devexit trident_pci_remove(struct pci_dev *dev)
{
struct tridentfb_par *par = (struct tridentfb_par*)fb_info.par;
unregister_framebuffer(&fb_info);
struct fb_info *info = pci_get_drvdata(dev);
struct tridentfb_par *par = info->par;
unregister_framebuffer(info);
iounmap(par->io_virt);
iounmap(fb_info.screen_base);
iounmap(info->screen_base);
release_mem_region(tridentfb_fix.smem_start, tridentfb_fix.smem_len);
release_mem_region(tridentfb_fix.mmio_start, tridentfb_fix.mmio_len);
pci_set_drvdata(dev, NULL);
framebuffer_release(info);
}
/* List of boards that we are trying to support */