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benchmarks/gem_latency: Fix for !LLC

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Late last night I forgot I had only added the llc CPU mmaping and not
the !llc GTT mapping for byt/bsw.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2015-12-19 10:31:49 +00:00
parent 39bad606c5
commit 2f74892ebd
1 changed files with 6 additions and 2 deletions
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8
benchmarks/gem_latency.c
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@ -91,7 +91,10 @@ static void setup_batch(struct producer *p, int gen, uint32_t scratch)
p->exec[1].relocation_count = 3;
p->exec[1].relocs_ptr = (uintptr_t)p->reloc;
p->exec[1].handle = gem_create(fd, 4096);
map = gem_mmap__cpu(fd, p->exec[1].handle, 0, 4096, PROT_WRITE);
if (gem_has_llc(fd))
map = gem_mmap__cpu(fd, p->exec[1].handle, 0, 4096, PROT_WRITE);
else
map = gem_mmap__gtt(fd, p->exec[1].handle, 4096, PROT_WRITE);
/* XY_SRC_COPY */
map[i++] = COPY_BLT_CMD | BLT_WRITE_ALPHA | BLT_WRITE_RGB;
@ -152,7 +155,8 @@ static void setup_batch(struct producer *p, int gen, uint32_t scratch)
static void measure_latency(struct producer *p, igt_stats_t *stats)
{
gem_sync(fd, p->exec[1].handle);
igt_stats_push(stats, INREG(BCS_TIMESTAMP) - *p->last_timestamp);
#define READ(x) *(volatile uint32_t *)((volatile char *)igt_global_mmio + x)
igt_stats_push(stats, READ(BCS_TIMESTAMP) - *p->last_timestamp);
}
static void *producer(void *arg)