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drm/radeon: add sync helper function 

Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
This commit is contained in:
Christian König 2012-08-09 16:35:36 +02:00 committed by Alex Deucher
parent d66a76269a
commit f82cbddddb
1 changed files with 14 additions and 6 deletions
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20
drivers/gpu/drm/radeon/radeon_cs.c
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@ -115,19 +115,27 @@ static int radeon_cs_get_ring(struct radeon_cs_parser *p, u32 ring, s32 priority
return 0;
}
static void radeon_cs_sync_to(struct radeon_cs_parser *p,
struct radeon_fence *fence)
{
struct radeon_fence *other;
if (!fence)
return;
other = p->ib.sync_to[fence->ring];
p->ib.sync_to[fence->ring] = radeon_fence_later(fence, other);
}
static void radeon_cs_sync_rings(struct radeon_cs_parser *p)
{
int i;
for (i = 0; i < p->nrelocs; i++) {
struct radeon_fence *a, *b;
if (!p->relocs[i].robj || !p->relocs[i].robj->tbo.sync_obj)
if (!p->relocs[i].robj)
continue;
a = p->relocs[i].robj->tbo.sync_obj;
b = p->ib.sync_to[a->ring];
p->ib.sync_to[a->ring] = radeon_fence_later(a, b);
radeon_cs_sync_to(p, p->relocs[i].robj->tbo.sync_obj);
}
}