[PATCH] drm/amdgpu: fix ring space allocation for IB scheduling

[Alex Deucher]

GFX IB frame is much bigger than other ring, so set the
limit larger.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
index 2aa741c..e11e4cf 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
@@ -152,7 +152,11 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
 		return -EINVAL;
 	}
 
-	r = amdgpu_ring_alloc(ring, 256 * num_ibs);
+	/* GFX DMA frame is much bigger than other rings */
+	if (ring->type == AMDGPU_RING_TYPE_GFX)
+		r = amdgpu_ring_alloc(ring, 512 + num_ibs * 16);
+	else
+		r = amdgpu_ring_alloc(ring, 256 + num_ibs * 16);
 	if (r) {
 		dev_err(adev->dev, "scheduling IB failed (%d).\n", r);
 		return r;
-- 
2.5.5