drm/amdgpu: remove AMDGPU_NUM_SYNCS

Just a leftover from semaphores.
Signed-off-by: NChristian König <christian.koenig@amd.com>
Reviewed-by: NAlex Deucher <alexander.deucer@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu.h

@@ -104,9 +104,6 @@ extern int amdgpu_powerplay;
 /* max number of IP instances */
 #define AMDGPU_MAX_SDMA_INSTANCES		2
 
-/* number of hw syncs before falling back on blocking */
-#define AMDGPU_NUM_SYNCS			4
-
 /* hardcode that limit for now */
 #define AMDGPU_VA_RESERVED_SIZE			(8 << 20)
 

drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c

@@ -147,7 +147,7 @@ int amdgpu_ib_schedule(struct amdgpu_device *adev, unsigned num_ibs,
 		return -EINVAL;
 	}
 
-	r = amdgpu_ring_alloc(ring, (256 + AMDGPU_NUM_SYNCS * 8) * num_ibs);
+	r = amdgpu_ring_alloc(ring, 256 * num_ibs);
 	if (r) {
 		dev_err(adev->dev, "scheduling IB failed (%d).\n", r);
 		return r;