drm/i915: Remove unused function parameter

The function parameter 'exclude' in funciton
i915_sw_fence_await_reservation() is not used.
Remove it.
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220922213916.12112-1-niranjana.vishwanathapura@intel.com

drivers/gpu/drm/i915/display/intel_atomic_plane.c

@@ -1005,7 +1005,7 @@ intel_prepare_plane_fb(struct drm_plane *_plane,
 		 */
 		if (intel_crtc_needs_modeset(crtc_state)) {
 			ret = i915_sw_fence_await_reservation(&state->commit_ready,
-							      old_obj->base.resv, NULL,
+							      old_obj->base.resv,
 							      false, 0,
 							      GFP_KERNEL);
 			if (ret < 0)
@@ -1039,8 +1039,7 @@ intel_prepare_plane_fb(struct drm_plane *_plane,
 		struct dma_fence *fence;
 
 		ret = i915_sw_fence_await_reservation(&state->commit_ready,
-						      obj->base.resv, NULL,
-						      false,
+						      obj->base.resv, false,
 						      i915_fence_timeout(dev_priv),
 						      GFP_KERNEL);
 		if (ret < 0)

drivers/gpu/drm/i915/gem/i915_gem_clflush.c

@@ -113,7 +113,7 @@ bool i915_gem_clflush_object(struct drm_i915_gem_object *obj,
 		clflush = clflush_work_create(obj);
 	if (clflush) {
 		i915_sw_fence_await_reservation(&clflush->base.chain,
-						obj->base.resv, NULL, true,
+						obj->base.resv, true,
 						i915_fence_timeout(i915),
 						I915_FENCE_GFP);
 		dma_resv_add_fence(obj->base.resv, &clflush->base.dma,

drivers/gpu/drm/i915/i915_sw_fence.c

@@ -571,7 +571,6 @@ int __i915_sw_fence_await_dma_fence(struct i915_sw_fence *fence,
 
 int i915_sw_fence_await_reservation(struct i915_sw_fence *fence,
 				    struct dma_resv *resv,
-				    const struct dma_fence_ops *exclude,
 				    bool write,
 				    unsigned long timeout,
 				    gfp_t gfp)

drivers/gpu/drm/i915/i915_sw_fence.h

@@ -91,7 +91,6 @@ int i915_sw_fence_await_dma_fence(struct i915_sw_fence *fence,
 
 int i915_sw_fence_await_reservation(struct i915_sw_fence *fence,
 				    struct dma_resv *resv,
-				    const struct dma_fence_ops *exclude,
 				    bool write,
 				    unsigned long timeout,
 				    gfp_t gfp);