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gpu-top: Correct computation of ring size

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2011-01-09 14:01:47 +00:00
parent 98eb5a5e24
commit afaf5ef27c
1 changed files with 2 additions and 2 deletions
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4
tools/intel_gpu_top.c
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@ -292,7 +292,7 @@ print_percentage_bar(float percent, int cur_line_len)
struct ring {
const char *name;
uint32_t mmio;
uint32_t head, tail, size;
int head, tail, size;
uint64_t full;
int idle;
};
@ -332,7 +332,7 @@ 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) * 4096;
ring->size = (((ring_read(ring, RING_LEN) & RING_NR_PAGES) >> 12) + 1) * 4096;
gen6_force_wake_put();
}