summaryrefslogtreecommitdiff
path: root/src/smi_driver.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/smi_driver.c')
-rw-r--r--src/smi_driver.c441
1 files changed, 225 insertions, 216 deletions
diff --git a/src/smi_driver.c b/src/smi_driver.c
index ee0ec2b..e07d345 100644
--- a/src/smi_driver.c
+++ b/src/smi_driver.c
@@ -48,6 +48,8 @@ authorization from The XFree86 Project or Silicon Motion.
/*
* Internals
*/
+static Bool SMI_MapMmio(ScrnInfoPtr pScrn);
+static Bool SMI_DetectMem(ScrnInfoPtr pScrn);
static void SMI_EnableMmio(ScrnInfoPtr pScrn);
static void SMI_DisableMmio(ScrnInfoPtr pScrn);
@@ -564,7 +566,7 @@ SMI_PreInit(ScrnInfoPtr pScrn, int flags)
double real;
ClockRangePtr clockRanges;
char *s;
- unsigned char config, m, n, shift;
+ unsigned char m, n, shift;
int mclk;
vgaHWPtr hwp;
int vgaCRIndex, vgaIOBase;
@@ -999,56 +1001,9 @@ SMI_PreInit(ScrnInfoPtr pScrn, int flags)
"MMIOBase=%p\n", vgaCRIndex, vgaIOBase, hwp->MMIOBase);
}
- /* Next go on to detect amount of installed ram */
- if (IS_MSOC(pSmi))
- config = -1;
- else
- config = VGAIN8_INDEX(pSmi, VGA_SEQ_INDEX, VGA_SEQ_DATA, 0x71);
-
- /* And compute the amount of video memory and offscreen memory */
- pSmi->videoRAMKBytes = 0;
-
- if ((pScrn->videoRam = pScrn->confScreen->device->videoRam)) {
- pSmi->videoRAMKBytes = pScrn->videoRam;
- pSmi->videoRAMBytes = pScrn->videoRam * 1024;
- }
- else if (!IS_MSOC(pSmi)) {
- switch (pSmi->Chipset) {
- default:
- {
- int mem_table[4] = { 1, 2, 4, 0 };
- pSmi->videoRAMKBytes = mem_table[(config >> 6)] * 1024;
- break;
- }
- case SMI_LYNX3D:
- {
- int mem_table[4] = { 0, 2, 4, 6 };
- pSmi->videoRAMKBytes = mem_table[(config >> 6)] * 1024 + 512;
- break;
- }
- case SMI_LYNX3DM:
- {
- int mem_table[4] = { 16, 2, 4, 8 };
- pSmi->videoRAMKBytes = mem_table[(config >> 6)] * 1024;
- break;
- }
- case SMI_COUGAR3DR:
- {
- /* DANGER - Cougar3DR BIOS is broken - hardcode video ram size */
- /* per instructions from Silicon Motion engineers */
- pSmi->videoRAMKBytes = 16 * 1024;
- break;
- }
- }
- pSmi->videoRAMBytes = pSmi->videoRAMKBytes * 1024;
- pScrn->videoRam = pSmi->videoRAMKBytes;
- }
-
- xf86DrvMsg(pScrn->scrnIndex, X_PROBED, "videoram: %dkB\n",
- pSmi->videoRAMKBytes);
-
+ SMI_MapMmio(pScrn);
+ SMI_DetectMem(pScrn);
SMI_MapMem(pScrn);
-
SMI_DisableVideo(pScrn);
/* detect the panel size */
@@ -1919,119 +1874,117 @@ SMI_DetectPanelSize(ScrnInfoPtr pScrn)
}
static Bool
-SMI_MapMem(ScrnInfoPtr pScrn)
+SMI_MapMmio(ScrnInfoPtr pScrn)
{
- SMIPtr pSmi = SMIPTR(pScrn);
- vgaHWPtr hwp;
- CARD32 memBase;
-
- ENTER_PROC("SMI_MapMem");
+ SMIPtr pSmi = SMIPTR(pScrn);
+ CARD32 memBase;
- /* Map the Lynx register space */
switch (pSmi->Chipset) {
- default:
- memBase = PCI_REGION_BASE(pSmi->PciInfo, 0, REGION_MEM) + 0x400000;
- pSmi->MapSize = 0x10000;
- break;
- case SMI_COUGAR3DR:
- memBase = PCI_REGION_BASE(pSmi->PciInfo, 1, REGION_MEM);
- pSmi->MapSize = 0x200000;
- break;
- case SMI_LYNX3D:
- memBase = PCI_REGION_BASE(pSmi->PciInfo, 0, REGION_MEM) + 0x680000;
- pSmi->MapSize = 0x180000;
- break;
- case SMI_LYNXEM:
- case SMI_LYNXEMplus:
- memBase = PCI_REGION_BASE(pSmi->PciInfo, 0, REGION_MEM) + 0x400000;
- pSmi->MapSize = 0x400000;
- break;
- case SMI_LYNX3DM:
- memBase = PCI_REGION_BASE(pSmi->PciInfo, 0, REGION_MEM);
- pSmi->MapSize = 0x200000;
- break;
- case SMI_MSOC:
- memBase = PCI_REGION_BASE(pSmi->PciInfo, 1, REGION_MEM);
- pSmi->MapSize = 0x200000;
- break;
+ case SMI_COUGAR3DR:
+ memBase = PCI_REGION_BASE(pSmi->PciInfo, 1, REGION_MEM);
+ pSmi->MapSize = 0x200000;
+ break;
+ case SMI_LYNX3D:
+ memBase = PCI_REGION_BASE(pSmi->PciInfo, 0, REGION_MEM) + 0x680000;
+ pSmi->MapSize = 0x180000;
+ break;
+ case SMI_LYNXEM:
+ case SMI_LYNXEMplus:
+ memBase = PCI_REGION_BASE(pSmi->PciInfo, 0, REGION_MEM) + 0x400000;
+ pSmi->MapSize = 0x400000;
+ break;
+ case SMI_LYNX3DM:
+ memBase = PCI_REGION_BASE(pSmi->PciInfo, 0, REGION_MEM);
+ pSmi->MapSize = 0x200000;
+ break;
+ case SMI_MSOC:
+ memBase = PCI_REGION_BASE(pSmi->PciInfo, 1, REGION_MEM);
+ pSmi->MapSize = 0x200000;
+ break;
+ default:
+ memBase = PCI_REGION_BASE(pSmi->PciInfo, 0, REGION_MEM) + 0x400000;
+ pSmi->MapSize = 0x10000;
+ break;
}
+
#ifndef XSERVER_LIBPCIACCESS
pSmi->MapBase = xf86MapPciMem(pScrn->scrnIndex, VIDMEM_MMIO, pSmi->PciTag,
memBase, pSmi->MapSize);
#else
{
- void** result = (void**)&pSmi->MapBase;
- int err = pci_device_map_range(pSmi->PciInfo,
- memBase,
- pSmi->MapSize,
- PCI_DEV_MAP_FLAG_WRITABLE,
- result);
-
- if (err)
- return FALSE;
+ void **result = (void**)&pSmi->MapBase;
+ int err = pci_device_map_range(pSmi->PciInfo,
+ memBase,
+ pSmi->MapSize,
+ PCI_DEV_MAP_FLAG_WRITABLE,
+ result);
+
+ if (err)
+ return (FALSE);
}
#endif
+
if (pSmi->MapBase == NULL) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Internal error: could not map "
"MMIO registers.\n");
- LEAVE_PROC("SMI_MapMem");
- return FALSE;
+ return (FALSE);
}
switch (pSmi->Chipset) {
- default:
- pSmi->DPRBase = pSmi->MapBase + 0x8000;
- pSmi->VPRBase = pSmi->MapBase + 0xC000;
- pSmi->CPRBase = pSmi->MapBase + 0xE000;
- pSmi->IOBase = NULL;
- pSmi->DataPortBase = pSmi->MapBase;
- pSmi->DataPortSize = 0x8000;
- break;
- case SMI_COUGAR3DR:
- pSmi->DPRBase = pSmi->MapBase + 0x000000;
- pSmi->VPRBase = pSmi->MapBase + 0x000800;
- pSmi->CPRBase = pSmi->MapBase + 0x001000;
- pSmi->FPRBase = pSmi->MapBase + 0x005800;
- pSmi->IOBase = pSmi->MapBase + 0x0C0000;
- pSmi->DataPortBase = pSmi->MapBase + 0x100000;
- pSmi->DataPortSize = 0x100000;
- break;
- case SMI_LYNX3D:
- pSmi->DPRBase = pSmi->MapBase + 0x000000;
- pSmi->VPRBase = pSmi->MapBase + 0x000800;
- pSmi->CPRBase = pSmi->MapBase + 0x001000;
- pSmi->IOBase = pSmi->MapBase + 0x040000;
- pSmi->DataPortBase = pSmi->MapBase + 0x080000;
- pSmi->DataPortSize = 0x100000;
- break;
- case SMI_LYNXEM:
- case SMI_LYNXEMplus:
- pSmi->DPRBase = pSmi->MapBase + 0x008000;
- pSmi->VPRBase = pSmi->MapBase + 0x00C000;
- pSmi->CPRBase = pSmi->MapBase + 0x00E000;
- pSmi->IOBase = pSmi->MapBase + 0x300000;
- pSmi->DataPortBase = pSmi->MapBase /*+ 0x100000*/;
- pSmi->DataPortSize = 0x8000 /*0x200000*/;
- break;
- case SMI_LYNX3DM:
- pSmi->DPRBase = pSmi->MapBase + 0x000000;
- pSmi->VPRBase = pSmi->MapBase + 0x000800;
- pSmi->CPRBase = pSmi->MapBase + 0x001000;
- pSmi->IOBase = pSmi->MapBase + 0x0C0000;
- pSmi->DataPortBase = pSmi->MapBase + 0x100000;
- pSmi->DataPortSize = 0x100000;
- break;
- case SMI_MSOC:
- pSmi->DPRBase = pSmi->MapBase + 0x100000;
- pSmi->VPRBase = pSmi->MapBase + 0x000000;
- pSmi->CPRBase = pSmi->MapBase + 0x090000;
- pSmi->DCRBase = pSmi->MapBase + 0x080000;
- pSmi->SCRBase = pSmi->MapBase + 0x000000;
- pSmi->IOBase = 0;
- pSmi->DataPortBase = pSmi->MapBase + 0x110000;
- pSmi->DataPortSize = 0x10000;
- break;
+ case SMI_COUGAR3DR:
+ pSmi->DPRBase = pSmi->MapBase + 0x000000;
+ pSmi->VPRBase = pSmi->MapBase + 0x000800;
+ pSmi->CPRBase = pSmi->MapBase + 0x001000;
+ pSmi->FPRBase = pSmi->MapBase + 0x005800;
+ pSmi->IOBase = pSmi->MapBase + 0x0C0000;
+ pSmi->DataPortBase = pSmi->MapBase + 0x100000;
+ pSmi->DataPortSize = 0x100000;
+ break;
+ case SMI_LYNX3D:
+ pSmi->DPRBase = pSmi->MapBase + 0x000000;
+ pSmi->VPRBase = pSmi->MapBase + 0x000800;
+ pSmi->CPRBase = pSmi->MapBase + 0x001000;
+ pSmi->IOBase = pSmi->MapBase + 0x040000;
+ pSmi->DataPortBase = pSmi->MapBase + 0x080000;
+ pSmi->DataPortSize = 0x100000;
+ break;
+ case SMI_LYNXEM:
+ case SMI_LYNXEMplus:
+ pSmi->DPRBase = pSmi->MapBase + 0x008000;
+ pSmi->VPRBase = pSmi->MapBase + 0x00C000;
+ pSmi->CPRBase = pSmi->MapBase + 0x00E000;
+ pSmi->IOBase = pSmi->MapBase + 0x300000;
+ pSmi->DataPortBase = pSmi->MapBase /*+ 0x100000*/;
+ pSmi->DataPortSize = 0x8000 /*0x200000*/;
+ break;
+ case SMI_LYNX3DM:
+ pSmi->DPRBase = pSmi->MapBase + 0x000000;
+ pSmi->VPRBase = pSmi->MapBase + 0x000800;
+ pSmi->CPRBase = pSmi->MapBase + 0x001000;
+ pSmi->IOBase = pSmi->MapBase + 0x0C0000;
+ pSmi->DataPortBase = pSmi->MapBase + 0x100000;
+ pSmi->DataPortSize = 0x100000;
+ break;
+ case SMI_MSOC:
+ pSmi->DPRBase = pSmi->MapBase + 0x100000;
+ pSmi->VPRBase = pSmi->MapBase + 0x000000;
+ pSmi->CPRBase = pSmi->MapBase + 0x090000;
+ pSmi->DCRBase = pSmi->MapBase + 0x080000;
+ pSmi->SCRBase = pSmi->MapBase + 0x000000;
+ pSmi->IOBase = 0;
+ pSmi->DataPortBase = pSmi->MapBase + 0x110000;
+ pSmi->DataPortSize = 0x10000;
+ break;
+ default:
+ pSmi->DPRBase = pSmi->MapBase + 0x8000;
+ pSmi->VPRBase = pSmi->MapBase + 0xC000;
+ pSmi->CPRBase = pSmi->MapBase + 0xE000;
+ pSmi->IOBase = NULL;
+ pSmi->DataPortBase = pSmi->MapBase;
+ pSmi->DataPortSize = 0x8000;
+ break;
}
+
xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, VERBLEV,
"Physical MMIO at 0x%08lX\n", (unsigned long)memBase);
xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, VERBLEV,
@@ -2044,9 +1997,17 @@ SMI_MapMem(ScrnInfoPtr pScrn)
"DataPort=%p - %p\n", pSmi->DataPortBase,
pSmi->DataPortBase + pSmi->DataPortSize - 1);
- pScrn->memPhysBase = PCI_REGION_BASE(pSmi->PciInfo, 0, REGION_MEM);
+ return (TRUE);
+}
+
+static Bool
+SMI_DetectMem(ScrnInfoPtr pScrn)
+{
+ SMIPtr pSmi = SMIPTR(pScrn);
- if (pSmi->videoRAMBytes == 0 && IS_MSOC(pSmi)) {
+ if ((pScrn->videoRam = pScrn->confScreen->device->videoRam))
+ pSmi->videoRAMKBytes = pScrn->videoRam;
+ else if (IS_MSOC(pSmi)) {
unsigned int value;
unsigned int total_memory;
@@ -2062,10 +2023,57 @@ SMI_MapMem(ScrnInfoPtr pScrn)
total_memory = 8 * 1024;
pSmi->videoRAMKBytes = total_memory - FB_RESERVE4USB;
- pSmi->videoRAMBytes = pSmi->videoRAMKBytes * 1024;
- pScrn->videoRam = pSmi->videoRAMKBytes;
- pSmi->FBReserved = pSmi->videoRAMBytes - 4096;
+ }
+ else {
+ unsigned char config;
+ static int lynx3d_table[4] = { 0, 2, 4, 6 };
+ static int lynx3dm_table[4] = { 16, 2, 4, 8 };
+ static int default_table[4] = { 1, 2, 4, 0 };
+ config = VGAIN8_INDEX(pSmi, VGA_SEQ_INDEX, VGA_SEQ_DATA, 0x71);
+ switch (pSmi->Chipset) {
+ case SMI_LYNX3D:
+ pSmi->videoRAMKBytes = lynx3d_table[config >> 6] * 1024 + 512;
+ break;
+ case SMI_LYNX3DM:
+ pSmi->videoRAMKBytes = lynx3dm_table[(config >> 6)] * 1024;
+ break;
+ case SMI_COUGAR3DR:
+ /* DANGER - Cougar3DR BIOS is broken - hardcode video ram size
+ * per instructions from Silicon Motion engineers */
+ pSmi->videoRAMKBytes = 16 * 1024;
+ break;
+ default:
+ pSmi->videoRAMKBytes = default_table[(config >> 6)] * 1024;
+ break;
+ }
+ }
+
+ pSmi->videoRAMBytes = pSmi->videoRAMKBytes * 1024;
+ pScrn->videoRam = pSmi->videoRAMKBytes;
+ xf86DrvMsg(pScrn->scrnIndex, X_PROBED,
+ "videoram: %dkB\n", pSmi->videoRAMKBytes);
+
+ return (TRUE);
+}
+
+static Bool
+SMI_MapMem(ScrnInfoPtr pScrn)
+{
+ SMIPtr pSmi = SMIPTR(pScrn);
+ vgaHWPtr hwp;
+ CARD32 memBase;
+
+ ENTER_PROC("SMI_MapMem");
+
+ if (pSmi->MapBase == NULL && SMI_MapMmio(pScrn) == FALSE) {
+ LEAVE_PROC("SMI_MapMem");
+ return (FALSE);
+ }
+
+ pScrn->memPhysBase = PCI_REGION_BASE(pSmi->PciInfo, 0, REGION_MEM);
+
+ if (IS_MSOC(pSmi)) {
if (pSmi->IsSecondary) {
pSmi->FBOffset = 0;
pScrn->fbOffset = pSmi->fbMapOffset = pScrn->videoRam * 1024;
@@ -2075,88 +2083,80 @@ SMI_MapMem(ScrnInfoPtr pScrn)
pScrn->fbOffset = pSmi->fbMapOffset = 0;
}
}
- else
+ else {
SMI_EnableMmio(pScrn);
- if (pSmi->videoRAMBytes) {
- /* Map the frame buffer */
if (pSmi->Chipset == SMI_LYNX3DM)
pSmi->fbMapOffset = 0x200000;
else
pSmi->fbMapOffset = 0x0;
- if (!IS_MSOC(pSmi)) {
- pSmi->FBOffset = 0;
- pScrn->fbOffset = pSmi->FBOffset + pSmi->fbMapOffset;
- }
+ pSmi->FBOffset = 0;
+ pScrn->fbOffset = pSmi->FBOffset + pSmi->fbMapOffset;
+ }
#ifndef XSERVER_LIBPCIACCESS
- pSmi->FBBase = xf86MapPciMem(pScrn->scrnIndex,
- VIDMEM_FRAMEBUFFER,
- pSmi->PciTag,
- pScrn->memPhysBase + pSmi->fbMapOffset,
- pSmi->videoRAMBytes);
+ pSmi->FBBase = xf86MapPciMem(pScrn->scrnIndex,
+ VIDMEM_FRAMEBUFFER,
+ pSmi->PciTag,
+ pScrn->memPhysBase + pSmi->fbMapOffset,
+ pSmi->videoRAMBytes);
#else
- {
- void** result = (void**)&pSmi->FBBase;
- int err = pci_device_map_range(pSmi->PciInfo,
- pScrn->memPhysBase + pSmi->fbMapOffset,
- pSmi->videoRAMBytes,
- PCI_DEV_MAP_FLAG_WRITABLE |
- PCI_DEV_MAP_FLAG_WRITE_COMBINE,
- result);
-
- if (err)
+ {
+ void **result = (void**)&pSmi->FBBase;
+ int err = pci_device_map_range(pSmi->PciInfo,
+ pScrn->memPhysBase +
+ pSmi->fbMapOffset,
+ pSmi->videoRAMBytes,
+ PCI_DEV_MAP_FLAG_WRITABLE |
+ PCI_DEV_MAP_FLAG_WRITE_COMBINE,
+ result);
+
+ if (err)
return FALSE;
- }
+ }
#endif
-
- if (pSmi->FBBase == NULL) {
- xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Internal error: could not "
- "map framebuffer.\n");
- LEAVE_PROC("SMI_MapMem");
- return FALSE;
- }
- xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, VERBLEV,
- "Physical frame buffer at 0x%08lX offset: 0x%08lX\n",
- pScrn->memPhysBase, pScrn->fbOffset);
- xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, VERBLEV,
- "Logical frame buffer at %p - %p\n", pSmi->FBBase,
- pSmi->FBBase + pSmi->videoRAMBytes - 1);
-
- xf86DrvMsg(pScrn->scrnIndex, X_INFO,
- "Cursor Offset: %08lX\n",
- (unsigned long)pSmi->FBCursorOffset);
+ if (pSmi->FBBase == NULL) {
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "Internal error: could not map framebuffer.\n");
+ LEAVE_PROC("SMI_MapMem");
+ return (FALSE);
+ }
- /* set up the fifo reserved space */
- if (IS_MSOC(pSmi)) {
- pSmi->FBCursorOffset = pSmi->videoRAMBytes - 2048;
- pSmi->FBReserved = pSmi->videoRAMBytes - 4096;
- }
- else {
- /* Set up offset to hwcursor memory area. It's a 1K chunk at the end of
- * the frame buffer.
- */
- pSmi->FBCursorOffset = pSmi->videoRAMBytes - 1024;
- if (VGAIN8_INDEX(pSmi, VGA_SEQ_INDEX, VGA_SEQ_DATA, 0x30) & 0x01)/* #1074 */ {
- CARD32 fifoOffset = 0;
- fifoOffset |= VGAIN8_INDEX(pSmi, VGA_SEQ_INDEX, VGA_SEQ_DATA, 0x46) << 3;
- fifoOffset |= VGAIN8_INDEX(pSmi, VGA_SEQ_INDEX, VGA_SEQ_DATA, 0x47) << 11;
- fifoOffset |= (VGAIN8_INDEX(pSmi, VGA_SEQ_INDEX, VGA_SEQ_DATA, 0x49)
- & 0x1C) << 17;
- pSmi->FBReserved = fifoOffset; /* PDR#1074 */
- }
- else
- pSmi->FBReserved = pSmi->videoRAMBytes - 2048;
- }
+ xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, VERBLEV,
+ "Physical frame buffer at 0x%08lX offset: 0x%08lX\n",
+ pScrn->memPhysBase, pScrn->fbOffset);
+ xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, VERBLEV,
+ "Logical frame buffer at %p - %p\n", pSmi->FBBase,
+ pSmi->FBBase + pSmi->videoRAMBytes - 1);
- xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Reserved: %08lX\n",
- (unsigned long)pSmi->FBReserved);
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO,
+ "Cursor Offset: %08lX\n", (unsigned long)pSmi->FBCursorOffset);
+ /* set up the fifo reserved space */
+ if (IS_MSOC(pSmi)) {
+ pSmi->FBCursorOffset = pSmi->videoRAMBytes - 2048;
+ pSmi->FBReserved = pSmi->videoRAMBytes - 4096;
}
+ else {
+ /* Set up offset to hwcursor memory area. It's a 1K chunk at the end of
+ * the frame buffer.
+ */
+ pSmi->FBCursorOffset = pSmi->videoRAMBytes - 1024;
+ if (VGAIN8_INDEX(pSmi, VGA_SEQ_INDEX, VGA_SEQ_DATA, 0x30) & 0x01)/* #1074 */ {
+ CARD32 fifoOffset = 0;
+ fifoOffset |= VGAIN8_INDEX(pSmi, VGA_SEQ_INDEX, VGA_SEQ_DATA,
+ 0x46) << 3;
+ fifoOffset |= VGAIN8_INDEX(pSmi, VGA_SEQ_INDEX, VGA_SEQ_DATA,
+ 0x47) << 11;
+ fifoOffset |= (VGAIN8_INDEX(pSmi, VGA_SEQ_INDEX, VGA_SEQ_DATA,
+ 0x49) & 0x1C) << 17;
+ pSmi->FBReserved = fifoOffset; /* PDR#1074 */
+ }
+ else
+ pSmi->FBReserved = pSmi->videoRAMBytes - 2048;
- if (!IS_MSOC(pSmi)) {
/* Assign hwp->MemBase & IOBase here */
hwp = VGAHWPTR(pScrn);
if (pSmi->IOBase != NULL)
@@ -2174,6 +2174,9 @@ SMI_MapMem(ScrnInfoPtr pScrn)
}
}
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Reserved: %08lX\n",
+ (unsigned long)pSmi->FBReserved);
+
LEAVE_PROC("SMI_MapMem");
return TRUE;
}
@@ -2197,10 +2200,16 @@ SMI_UnmapMem(ScrnInfoPtr pScrn)
SMI_DisableMmio(pScrn);
- xf86UnMapVidMem(pScrn->scrnIndex, (pointer) pSmi->MapBase, pSmi->MapSize);
- if (pSmi->FBBase != NULL) {
+ if (pSmi->MapBase) {
+ xf86UnMapVidMem(pScrn->scrnIndex, (pointer)pSmi->MapBase,
+ pSmi->MapSize);
+ pSmi->MapBase = NULL;
+ }
+
+ if (pSmi->FBBase) {
xf86UnMapVidMem(pScrn->scrnIndex, (pointer) pSmi->FBBase,
pSmi->videoRAMBytes);
+ pSmi->FBBase != NULL;
}
LEAVE_PROC("SMI_UnmapMem");
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 18:06:36 +0000