disp: msm: sde: log intf framecount in event logs

Log hardware interface framecount during te and vblank irqs for
command and video mode panels, respectively. This will help in
debugging any missed frames.

Change-Id: Ie86f686c4cc12de6a1f31aa47d4c7a5b8a68ea55
Signed-off-by: Nilaan Gunabalachandran <ngunabal@codeaurora.org>

msm/sde/sde_hw_intf.c

@@ -628,6 +628,9 @@ static int sde_hw_intf_get_vsync_info(struct sde_hw_intf *intf,
 	val = SDE_REG_READ(c, INTF_TEAR_LINE_COUNT);
 	info->wr_ptr_line_count = val & 0xffff;
 
+	val = SDE_REG_READ(c, INTF_FRAME_COUNT);
+	info->intf_frame_count = val;
+
 	return 0;
 }