drm/i915/error: remove unused gen8_engine_sync_index

Leftover from Gen8 ringbuffer support removal

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180305222122.3547-1-daniele.ceraolospurio@intel.com
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index a7933c9..ef29fb4 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -1102,27 +1102,6 @@ static void i915_gem_record_fences(struct drm_i915_private *dev_priv,
        error->nfence = i;
 }
 
-static inline u32
-gen8_engine_sync_index(struct intel_engine_cs *engine,
-                      struct intel_engine_cs *other)
-{
-       int idx;
-
-       /*
-        * rcs -> 0 = vcs, 1 = bcs, 2 = vecs, 3 = vcs2;
-        * vcs -> 0 = bcs, 1 = vecs, 2 = vcs2, 3 = rcs;
-        * bcs -> 0 = vecs, 1 = vcs2. 2 = rcs, 3 = vcs;
-        * vecs -> 0 = vcs2, 1 = rcs, 2 = vcs, 3 = bcs;
-        * vcs2 -> 0 = rcs, 1 = vcs, 2 = bcs, 3 = vecs;
-        */
-
-       idx = (other - engine) - 1;
-       if (idx < 0)
-               idx += I915_NUM_ENGINES;
-
-       return idx;
-}
-
 static void gen6_record_semaphore_state(struct intel_engine_cs *engine,
                                        struct drm_i915_error_engine *ee)
 {