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staging: xgifb: delete HW cursor memory allocation

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HW cursor area is not used in any way.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Aaro Koskinen 2011-03-08 22:16:06 +02:00 committed by Greg Kroah-Hartman
parent df0d5e6055
commit daa484ec96
2 changed files with 0 additions and 26 deletions
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8
drivers/staging/xgifb/XGI_main.h
View File

@ -66,7 +66,6 @@ MODULE_DEVICE_TABLE(pci, xgifb_pci_table);
#define MAX_ROM_SCAN 0x10000
#define HW_CURSOR_CAP 0x80
#define TURBO_QUEUE_CAP 0x40
#define AGP_CMD_QUEUE_CAP 0x20
#define VM_CMD_QUEUE_CAP 0x10
@ -80,10 +79,6 @@ MODULE_DEVICE_TABLE(pci, xgifb_pci_table);
#define COMMAND_QUEUE_THRESHOLD 0x1F
/* TW */
#define HW_CURSOR_AREA_SIZE_315 0x4000 /* 16K */
#define HW_CURSOR_AREA_SIZE_300 0x1000 /* 4K */
#define OH_ALLOC_SIZE 4000
#define SENTINEL 0x7fffffff
@ -350,7 +345,6 @@ static int enable_dstn = 0;
static int XGIfb_ypan = -1;
static int XGIfb_hwcursor_size = 0;
static int XGIfb_CRT2_write_enable = 0;
static int XGIfb_crt2type = -1; /* TW: CRT2 type (for overriding autodetection) */
@ -613,8 +607,6 @@ typedef struct _XGI_HEAP {
unsigned long max_freesize;
} XGI_HEAP;
static unsigned long XGIfb_hwcursor_vbase;
static unsigned long XGIfb_heap_start;
static unsigned long XGIfb_heap_end;
static unsigned long XGIfb_heap_size;

18
drivers/staging/xgifb/XGI_main_26.c
View File

@ -2122,19 +2122,6 @@ static int XGIfb_heap_init(void)
break;
}
/* TW: Now reserve memory for the HWCursor. It is always located at the very
top of the videoRAM, right below the TB memory area (if used). */
if (XGIfb_heap_size >= XGIfb_hwcursor_size) {
XGIfb_heap_end -= XGIfb_hwcursor_size;
XGIfb_heap_size -= XGIfb_hwcursor_size;
XGIfb_hwcursor_vbase = XGIfb_heap_end;
XGIfb_caps |= HW_CURSOR_CAP;
DPRINTK("XGIfb: Hardware Cursor start at 0x%lx, size is %dK\n",
XGIfb_heap_end, XGIfb_hwcursor_size/1024);
}
XGIfb_heap.poha_chain = NULL;
XGIfb_heap.poh_freelist = NULL;
@ -2772,27 +2759,22 @@ static int __devinit xgifb_probe(struct pci_dev *pdev,
xgi_video_info.chip = XG21;
else
xgi_video_info.chip = XG20;
XGIfb_hwcursor_size = HW_CURSOR_AREA_SIZE_315 * 2;
XGIfb_CRT2_write_enable = IND_XGI_CRT2_WRITE_ENABLE_315;
break;
case PCI_DEVICE_ID_XG_40:
xgi_video_info.chip = XG40;
XGIfb_hwcursor_size = HW_CURSOR_AREA_SIZE_315 * 2;
XGIfb_CRT2_write_enable = IND_XGI_CRT2_WRITE_ENABLE_315;
break;
case PCI_DEVICE_ID_XG_41:
xgi_video_info.chip = XG41;
XGIfb_hwcursor_size = HW_CURSOR_AREA_SIZE_315 * 2;
XGIfb_CRT2_write_enable = IND_XGI_CRT2_WRITE_ENABLE_315;
break;
case PCI_DEVICE_ID_XG_42:
xgi_video_info.chip = XG42;
XGIfb_hwcursor_size = HW_CURSOR_AREA_SIZE_315 * 2;
XGIfb_CRT2_write_enable = IND_XGI_CRT2_WRITE_ENABLE_315;
break;
case PCI_DEVICE_ID_XG_27:
xgi_video_info.chip = XG27;
XGIfb_hwcursor_size = HW_CURSOR_AREA_SIZE_315 * 2;
XGIfb_CRT2_write_enable = IND_XGI_CRT2_WRITE_ENABLE_315;
break;
default: