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intel_gpu_top: use debugfs interface for forcewake

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Using debugfs facilities for forcewake-related stuff.

Acked-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
This commit is contained in:
Eugeni Dodonov 2011-11-08 15:47:03 -02:00
parent f4ba3f529e
commit 31a4b13132
1 changed files with 4 additions and 31 deletions
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35
tools/intel_gpu_top.c
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@ -310,33 +310,6 @@ struct ring {
int idle;
};
static void gen6_force_wake_get(void)
{
int count;
if (!IS_GEN6(devid))
return;
/* This will probably have undesirable side-effects upon the system. */
count = 0;
while (count++ < 50 && (INREG(FORCEWAKE_ACK) & 1))
usleep(10);
OUTREG(FORCEWAKE, 1);
count = 0;
while (count++ < 50 && (INREG(FORCEWAKE_ACK) & 1) == 0)
usleep(10);
}
static void gen6_force_wake_put(void)
{
if (!IS_GEN6(devid))
return;
OUTREG(FORCEWAKE, 0);
}
static uint32_t ring_read(struct ring *ring, uint32_t reg)
{
return INREG(ring->mmio + reg);
@ -344,9 +317,7 @@ static uint32_t ring_read(struct ring *ring, uint32_t reg)
static void ring_init(struct ring *ring)
{
gen6_force_wake_get();
ring->size = (((ring_read(ring, RING_LEN) & RING_NR_PAGES) >> 12) + 1) * 4096;
gen6_force_wake_put();
}
static void ring_reset(struct ring *ring)
@ -361,10 +332,8 @@ static void ring_sample(struct ring *ring)
if (!ring->size)
return;
gen6_force_wake_get();
ring->head = ring_read(ring, RING_HEAD) & HEAD_ADDR;
ring->tail = ring_read(ring, RING_TAIL) & TAIL_ADDR;
gen6_force_wake_put();
if (ring->tail == ring->head)
ring->idle++;
@ -534,6 +503,9 @@ int main(int argc, char **argv)
top_bits_sorted[i] = &top_bits[i];
}
/* Grab access to the registers */
intel_register_access_init(pci_dev, 1);
ring_init(&render_ring);
if (IS_GEN4(devid) || IS_GEN5(devid))
ring_init(&bsd_ring);
@ -733,5 +705,6 @@ int main(int argc, char **argv)
fclose(output);
intel_register_access_fini();
return 0;
}