drm/i915: Remove duplicate intel_logical_ring_workarounds_emit

intel_ring_workarounds_emit is exactly the same code.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170214150017.16058-1-tvrtko.ursulin@linux.intel.com

drivers/gpu/drm/i915/intel_lrc.c

@@ -890,39 +890,6 @@ static int execlists_request_alloc(struct drm_i915_gem_request *request)
 	return ret;
 }
 
-static int intel_logical_ring_workarounds_emit(struct drm_i915_gem_request *req)
-{
-	struct i915_workarounds *w = &req->i915->workarounds;
-	u32 *cs;
-	int ret, i;
-
-	if (w->count == 0)
-		return 0;
-
-	ret = req->engine->emit_flush(req, EMIT_BARRIER);
-	if (ret)
-		return ret;
-
-	cs = intel_ring_begin(req, w->count * 2 + 2);
-	if (IS_ERR(cs))
-		return PTR_ERR(cs);
-
-	*cs++ = MI_LOAD_REGISTER_IMM(w->count);
-	for (i = 0; i < w->count; i++) {
-		*cs++ = i915_mmio_reg_offset(w->reg[i].addr);
-		*cs++ = w->reg[i].value;
-	}
-	*cs++ = MI_NOOP;
-
-	intel_ring_advance(req, cs);
-
-	ret = req->engine->emit_flush(req, EMIT_BARRIER);
-	if (ret)
-		return ret;
-
-	return 0;
-}
-
 #define wa_ctx_emit(batch, index, cmd)					\
 	do {								\
 		int __index = (index)++;				\
@@ -1672,7 +1639,7 @@ static int gen8_init_rcs_context(struct drm_i915_gem_request *req)
 {
 	int ret;
 
-	ret = intel_logical_ring_workarounds_emit(req);
+	ret = intel_ring_workarounds_emit(req);
 	if (ret)
 		return ret;
 

drivers/gpu/drm/i915/intel_ringbuffer.c

@@ -644,7 +644,7 @@ static void reset_ring_common(struct intel_engine_cs *engine,
 	}
 }
 
-static int intel_ring_workarounds_emit(struct drm_i915_gem_request *req)
+int intel_ring_workarounds_emit(struct drm_i915_gem_request *req)
 {
 	struct i915_workarounds *w = &req->i915->workarounds;
 	u32 *cs;

drivers/gpu/drm/i915/intel_ringbuffer.h

@@ -560,6 +560,7 @@ static inline u32 intel_engine_last_submit(struct intel_engine_cs *engine)
 }
 
 int init_workarounds_ring(struct intel_engine_cs *engine);
+int intel_ring_workarounds_emit(struct drm_i915_gem_request *req);
 
 void intel_engine_get_instdone(struct intel_engine_cs *engine,
 			       struct intel_instdone *instdone);