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[PATCH] intelfb: Add voffset option to avoid conficts with Xorg i810 driver 

- Add voffset option to avoid conficts with Xorg i810 driver

Signed-off-by: Sylvain Meyer <sylvain.meyer@worldonline.fr>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Sylvain Meyer 2005-06-21 17:17:01 -07:00 committed by Linus Torvalds
parent f18cd8f705
commit 27aef2d49f
1 changed files with 12 additions and 4 deletions
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16
drivers/video/intelfb/intelfbdrv.c
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@ -238,12 +238,15 @@ static int noregister = 0;
static int probeonly = 0;
static int idonly = 0;
static int bailearly = 0;
static int voffset = 48;
static char *mode = NULL;
module_param(accel, bool, S_IRUGO);
MODULE_PARM_DESC(accel, "Enable console acceleration");
module_param(vram, int, S_IRUGO);
MODULE_PARM_DESC(vram, "System RAM to allocate to framebuffer in MiB");
module_param(voffset, int, S_IRUGO);
MODULE_PARM_DESC(voffset, "Offset of framebuffer in MiB");
module_param(hwcursor, bool, S_IRUGO);
MODULE_PARM_DESC(hwcursor, "Enable HW cursor");
module_param(mtrr, bool, S_IRUGO);
@ -503,6 +506,7 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent)
struct agp_bridge_data *bridge;
int aperture_bar = 0;
int mmio_bar = 1;
int offset;
DBG_MSG("intelfb_pci_register\n");
@ -659,17 +663,21 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent)
return -ENODEV;
}
if (MB(voffset) < stolen_size)
offset = (stolen_size >> 12);
else
offset = ROUND_UP_TO_PAGE(MB(voffset))/GTT_PAGE_SIZE;
/* set the mem offsets - set them after the already used pages */
if (dinfo->accel) {
dinfo->ring.offset = (stolen_size >> 12)
+ gtt_info.current_memory;
dinfo->ring.offset = offset + gtt_info.current_memory;
}
if (dinfo->hwcursor) {
dinfo->cursor.offset = (stolen_size >> 12) +
dinfo->cursor.offset = offset +
+ gtt_info.current_memory + (dinfo->ring.size >> 12);
}
if (dinfo->fbmem_gart) {
dinfo->fb.offset = (stolen_size >> 12) +
dinfo->fb.offset = offset +
+ gtt_info.current_memory + (dinfo->ring.size >> 12)
+ (dinfo->cursor.size >> 12);
}