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Convert weird rtdsc usage to get_cycles.

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I'm not convinced that get_cycles is the right approach here, but it's
better than the weird way that rtdsc was being used.
This commit is contained in:
Ian Romanick 2007-07-05 17:18:12 -07:00
parent fc37781dd3
commit 2695e8e209
1 changed files with 10 additions and 14 deletions
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24
linux-core/xgi_misc.c
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@ -127,12 +127,10 @@ bool xgi_ge_irq_handler(struct xgi_info * info)
// We got GE stall interrupt.
ge_3d_status[0x04] = int_status | 0x04000000;
if (TRUE == is_support_auto_reset) {
if (is_support_auto_reset) {
bool is_wrong_signal = FALSE;
static U32 last_int_tick_low,
last_int_tick_high;
static U32 new_int_tick_low;
static U32 continoue_int_count = 0;
static cycles_t last_tick;
static unsigned continue_int_count = 0;
// OE II is busy.
while (old_ge_status & 0x001c0000) {
u16 check;
@ -190,19 +188,17 @@ bool xgi_ge_irq_handler(struct xgi_info * info)
if (is_wrong_signal) {
// Nothing but skip.
} else if (0 == continoue_int_count++) {
rdtsc(last_int_tick_low,
last_int_tick_high);
} else if (0 == continue_int_count++) {
last_tick = get_cycles();
} else {
rdtscl(new_int_tick_low);
if ((new_int_tick_low -
last_int_tick_low) >
const cycles_t new_tick = get_cycles();
if ((new_tick - last_tick) >
STALL_INTERRUPT_RESET_THRESHOLD) {
continoue_int_count = 0;
} else if (continoue_int_count >= 3) {
continue_int_count = 0;
} else if (continue_int_count >= 3) {
int time_out;
continoue_int_count = 0;
continue_int_count = 0;
// GE Hung up, need reset.
XGI_INFO("Reset GE!\n");