Commit f82cbddd authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

drm/radeon: add sync helper function 



Signed-off-by: default avatarChristian König <deathsimple@vodafone.de>
Reviewed-by: default avatarJerome Glisse <jglisse@redhat.com>
parent d66a7626

drivers/gpu/drm/radeon/radeon_cs.c

+14 −6
Original line number Diff line number Diff line
@@ -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);

	}

}