drm/etnaviv: track fences by IDR instead of seqno

This moves away from using the internal seqno as the userspace fence
reference. By moving to a generic ID, we can later replace the internal
fence by something different than the etnaviv seqno fence.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
index 7623905210dc..0170eb0a0923 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
@@ -128,6 +128,7 @@ struct etnaviv_gpu {
 	u32 idle_mask;
 
 	/* Fencing support */
+	struct idr fence_idr;
 	u32 next_fence;
 	u32 active_fence;
 	u32 completed_fence;