[PATCH 2/2] drm/i915/gvt: Export intel_gvt_render_mmio_to_ring_id()

[Zhi Wang]

Since many emulation logic needs to convert the offset of ring registers
into ring id, we export it for other caller which might need it.

Signed-off-by: Zhi Wang <zhi.a.wang at intel.com>
---
 drivers/gpu/drm/i915/gvt/handlers.c | 7 ++++---
 drivers/gpu/drm/i915/gvt/mmio.h     | 2 ++
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
index 11a6302..05e4176 100644
--- a/drivers/gpu/drm/i915/gvt/handlers.c
+++ b/drivers/gpu/drm/i915/gvt/handlers.c
@@ -137,7 +137,8 @@ static int new_mmio_info(struct intel_gvt *gvt,
 	return 0;
 }
 
-static int render_mmio_to_ring_id(struct intel_gvt *gvt, unsigned int reg)
+int intel_gvt_render_mmio_to_ring_id(struct intel_gvt *gvt,
+		unsigned int reg)
 {
 	enum intel_engine_id id;
 	struct intel_engine_cs *engine;
@@ -1456,7 +1457,7 @@ static int instdone_mmio_read(struct intel_vgpu *vgpu,
 static int elsp_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
 		void *p_data, unsigned int bytes)
 {
-	int ring_id = render_mmio_to_ring_id(vgpu->gvt, offset);
+	int ring_id = intel_gvt_render_mmio_to_ring_id(vgpu->gvt, offset);
 	struct intel_vgpu_execlist *execlist;
 	u32 data = *(u32 *)p_data;
 	int ret = 0;
@@ -1484,7 +1485,7 @@ static int ring_mode_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
 {
 	struct intel_vgpu_submission *s = &vgpu->submission;
 	u32 data = *(u32 *)p_data;
-	int ring_id = render_mmio_to_ring_id(vgpu->gvt, offset);
+	int ring_id = intel_gvt_render_mmio_to_ring_id(vgpu->gvt, offset);
 	bool enable_execlist;
 	int ret;
 
diff --git a/drivers/gpu/drm/i915/gvt/mmio.h b/drivers/gpu/drm/i915/gvt/mmio.h
index 32cd64d..dbc04ad 100644
--- a/drivers/gpu/drm/i915/gvt/mmio.h
+++ b/drivers/gpu/drm/i915/gvt/mmio.h
@@ -65,6 +65,8 @@ struct intel_gvt_mmio_info {
 	struct hlist_node node;
 };
 
+int intel_gvt_render_mmio_to_ring_id(struct intel_gvt *gvt,
+		unsigned int reg);
 unsigned long intel_gvt_get_device_type(struct intel_gvt *gvt);
 bool intel_gvt_match_device(struct intel_gvt *gvt, unsigned long device);
 
-- 
2.7.4