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cuda: don't call cuda_update() when writing to ACR register

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The wire protocol for reading data to/from the VIA is triggered by changing
inputs on port B rather than changing the timer configuration via the ACR.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Mark Cave-Ayland 2018-02-09 18:51:33 +00:00 committed by David Gibson
parent 42a0938f92
commit eb0788cb73
1 changed files with 0 additions and 1 deletions
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hw/misc/macio/cuda.c
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@ -407,7 +407,6 @@ static void cuda_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
case CUDA_REG_ACR:
s->acr = val;
cuda_timer_update(s, &s->timers[0], qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
cuda_update(s);
break;
case CUDA_REG_PCR:
s->pcr = val;