drm/i915/gvt: export find_mmio_info

export find_mmio_info to be accessible by other gvt components

Cc: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Yan Zhao <yan.y.zhao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20201223034536.17176-1-yan.y.zhao@intel.comReviewed-by: Zhenyu Wang <zhenyuw@linux.intel.com>

drivers/gpu/drm/i915/gvt/handlers.c

@@ -83,7 +83,7 @@ static void write_vreg(struct intel_vgpu *vgpu, unsigned int offset,
 	memcpy(&vgpu_vreg(vgpu, offset), p_data, bytes);
 }
 
-static struct intel_gvt_mmio_info *find_mmio_info(struct intel_gvt *gvt,
+struct intel_gvt_mmio_info *intel_gvt_find_mmio_info(struct intel_gvt *gvt,
 						  unsigned int offset)
 {
 	struct intel_gvt_mmio_info *e;
@@ -118,7 +118,7 @@ static int new_mmio_info(struct intel_gvt *gvt,
 			return -ENOMEM;
 
 		info->offset = i;
-		p = find_mmio_info(gvt, info->offset);
+		p = intel_gvt_find_mmio_info(gvt, info->offset);
 		if (p) {
 			WARN(1, "dup mmio definition offset %x\n",
 				info->offset);
@@ -3625,7 +3625,7 @@ int intel_vgpu_mmio_reg_rw(struct intel_vgpu *vgpu, unsigned int offset,
 	/*
 	 * Normal tracked MMIOs.
 	 */
-	mmio_info = find_mmio_info(gvt, offset);
+	mmio_info = intel_gvt_find_mmio_info(gvt, offset);
 	if (!mmio_info) {
 		gvt_dbg_mmio("untracked MMIO %08x len %d\n", offset, bytes);
 		goto default_rw;

drivers/gpu/drm/i915/gvt/mmio.h

@@ -80,6 +80,9 @@ int intel_gvt_for_each_tracked_mmio(struct intel_gvt *gvt,
 	int (*handler)(struct intel_gvt *gvt, u32 offset, void *data),
 	void *data);
 
+struct intel_gvt_mmio_info *intel_gvt_find_mmio_info(struct intel_gvt *gvt,
+						  unsigned int offset);
+
 int intel_vgpu_init_mmio(struct intel_vgpu *vgpu);
 void intel_vgpu_reset_mmio(struct intel_vgpu *vgpu, bool dmlr);
 void intel_vgpu_clean_mmio(struct intel_vgpu *vgpu);