[PATCH -next] drm/amd/display: Make calculate_integer_scaling static

[YueHaibing]

Fix sparse warning:

drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_resource.c:963:6:
 warning: symbol 'calculate_integer_scaling' was not declared. Should it be static?

Reported-by: Hulk Robot <hulkci at huawei.com>
Signed-off-by: YueHaibing <yuehaibing at huawei.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index 70e601a..3769830 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -960,7 +960,7 @@ static bool are_rects_integer_multiples(struct rect src, struct rect dest)
 	return false;
 }
 
-void calculate_integer_scaling(struct pipe_ctx *pipe_ctx)
+static void calculate_integer_scaling(struct pipe_ctx *pipe_ctx)
 {
 	if (!pipe_ctx->plane_state->scaling_quality.integer_scaling)
 		return;
-- 
2.7.4