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staging/xgifb: Remove duplicated code from XGINew_DDRSizing340

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Since XGINew_SetDRAMSize20Reg now handles both cases we can remove
the code duplication in XGINew_DDRSizing340.

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Huewe 2012-06-14 00:21:44 +02:00 committed by Greg Kroah-Hartman
parent 391f695b90
commit 672f5ee27e
1 changed files with 22 additions and 36 deletions
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58
drivers/staging/xgifb/vb_init.c
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@ -893,52 +893,38 @@ static void XGINew_CheckChannel(struct xgi_hw_device_info *HwDeviceExtension,
static int XGINew_DDRSizing340(struct xgi_hw_device_info *HwDeviceExtension,
struct vb_device_info *pVBInfo)
{
int i;
unsigned short memsize, addr;
u8 i, size;
unsigned short memsize, start_addr;
const unsigned short (*dram_table)[5];
xgifb_reg_set(pVBInfo->P3c4, 0x15, 0x00); /* noninterleaving */
xgifb_reg_set(pVBInfo->P3c4, 0x1C, 0x00); /* nontiling */
XGINew_CheckChannel(HwDeviceExtension, pVBInfo);
if (HwDeviceExtension->jChipType >= XG20) {
for (i = 0; i < 12; i++) {
XGINew_SetDRAMSizingType(i,
XGINew_DDRDRAM_TYPE20,
pVBInfo);
memsize = XGINew_SetDRAMSize20Reg(i,
XGINew_DDRDRAM_TYPE20,
pVBInfo);
if (memsize == 0)
continue;
addr = memsize + (pVBInfo->ram_channel - 2) + 20;
if ((HwDeviceExtension->ulVideoMemorySize - 1) <
(unsigned long) (1 << addr))
continue;
if (XGINew_ReadWriteRest(addr, 5, pVBInfo) == 1)
return 1;
}
dram_table = XGINew_DDRDRAM_TYPE20;
size = ARRAY_SIZE(XGINew_DDRDRAM_TYPE20);
start_addr = 5;
} else {
for (i = 0; i < 4; i++) {
XGINew_SetDRAMSizingType(i,
XGINew_DDRDRAM_TYPE340,
pVBInfo);
memsize = XGINew_SetDRAMSize20Reg(i,
XGINew_DDRDRAM_TYPE340,
pVBInfo);
dram_table = XGINew_DDRDRAM_TYPE340;
size = ARRAY_SIZE(XGINew_DDRDRAM_TYPE340);
start_addr = 9;
}
if (memsize == 0)
continue;
for (i = 0; i < size; i++) {
XGINew_SetDRAMSizingType(i, dram_table, pVBInfo);
memsize = XGINew_SetDRAMSize20Reg(i, dram_table, pVBInfo);
addr = memsize + (pVBInfo->ram_channel - 2) + 20;
if ((HwDeviceExtension->ulVideoMemorySize - 1) <
(unsigned long) (1 << addr))
continue;
if (memsize == 0)
continue;
if (XGINew_ReadWriteRest(addr, 9, pVBInfo) == 1)
return 1;
}
memsize += (pVBInfo->ram_channel - 2) + 20;
if ((HwDeviceExtension->ulVideoMemorySize - 1) <
(unsigned long) (1 << memsize))
continue;
if (XGINew_ReadWriteRest(memsize, start_addr, pVBInfo) == 1)
return 1;
}
return 0;
}