diff options
| author | Ian Romanick <idr@us.ibm.com> | 2007-07-05 17:18:12 -0700 |
|---|---|---|
| committer | Ian Romanick <idr@us.ibm.com> | 2007-07-05 17:18:12 -0700 |
| commit | 2695e8e209228dfc2e6a9b10bc118d0794602b37 (patch) | |
| tree | 07ff9e286747e471499a741361cfd89714f33c2a | |
| parent | fc37781dd30b53815dd71ce576eb2147d23f0914 (diff) | |
Convert weird rtdsc usage to get_cycles.
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.
| -rw-r--r-- | linux-core/xgi_misc.c | 24 |
1 files changed, 10 insertions, 14 deletions
diff --git a/linux-core/xgi_misc.c b/linux-core/xgi_misc.c index 9bf8205b..a0ed18c2 100644 --- a/linux-core/xgi_misc.c +++ b/linux-core/xgi_misc.c @@ -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"); |