Aurelien
/
xf86-video-intel
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Make GTT dumper work on other 9XX chips

This commit is contained in:
Zhenyu Wang 2008-10-16 10:28:16 +08:00
parent 986c8df79e
commit 2419bce9ef
1 changed files with 26 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
src/reg_dumper/gtt.c
View File

@ -36,22 +36,42 @@
#include "reg_dumper.h"
#include "../i810_reg.h"
#define INGTT(offset) INREG(gtt_base + (offset) / (KB(4) / 4))
#define INGTT(offset) (*(volatile uint32_t *)(gtt + (offset) / (KB(4) / 4)))
int main(int argc, char **argv)
{
I830Rec i830;
I830Ptr pI830 = &i830;
int gtt_base, start, aper_size;
int start, aper_size;
unsigned char *gtt;
intel_i830rec_init(pI830);
if (IS_G4X(pI830) || IS_GM45(pI830))
gtt_base = MB(2);
else {
if (!IS_I9XX(pI830)) {
printf("Unsupported chipset for gtt dumper\n");
exit(1);
}
aper_size = MB(256);
if (IS_G4X(pI830) || IS_GM45(pI830))
gtt = (unsigned char *)(pI830->mmio + MB(2));
else if (IS_I965G(pI830))
gtt = (unsigned char *)(pI830->mmio + KB(512));
else {
/* 915/945 chips has GTT range in bar 3*/
int err = 0;
err = pci_device_map_range (pI830->pci_dev,
pI830->pci_dev->regions[3].base_addr,
pI830->pci_dev->regions[3].size,
PCI_DEV_MAP_FLAG_WRITABLE,
(void **)&gtt);
if (err != 0) {
fprintf(stderr, "mapping GTT bar failed\n");
exit(1);
}
}
aper_size = pI830->pci_dev->regions[2].size;
for (start = 0; start < aper_size; start += KB(4)) {
uint32_t start_pte = INGTT(start);
uint32_t end;