disp: msm: sde: Correct initialization value for frame count

For calculating fps, correct frame count initialization
from 1 to 0 to avoid counting one extra frame on every
periodicity window.

Change-Id: I53cea321bb4d3335cc58e08df2f530cd1a306297
Signed-off-by: Shubhashree Dhar <dhar@codeaurora.org>

msm/sde/sde_crtc.c

@@ -276,7 +276,7 @@ static ssize_t measured_fps_show(struct device *device,
 	struct drm_crtc *crtc;
 	struct sde_crtc *sde_crtc;
 	unsigned int fps_int, fps_decimal;
-	u64 fps = 0, frame_count = 1;
+	u64 fps = 0, frame_count = 0;
 	ktime_t current_time;
 	int i = 0, current_time_index;
 	u64 diff_us;
@@ -355,7 +355,7 @@ static ssize_t measured_fps_show(struct device *device,
 	fps_int = (unsigned int) sde_crtc->fps_info.measured_fps;
 	fps_decimal = do_div(fps_int, 10);
 	return scnprintf(buf, PAGE_SIZE,
-		"fps: %d.%d duration:%d frame_count:%lld", fps_int, fps_decimal,
+	"fps: %d.%d duration:%d frame_count:%lld\n", fps_int, fps_decimal,
 			sde_crtc->fps_info.fps_periodic_duration, frame_count);
 }