drm/bridge: tc358764: Use BIT() macro for actual bits

None of these four bits are bitfields, use BIT() macro and treat
them as bits. No functional change.
Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230615201635.565973-1-marex@denx.de

drivers/gpu/drm/bridge/tc358764.c

@@ -42,10 +42,10 @@
 
 /* Video path registers */
 #define VP_CTRL			0x0450 /* Video Path Control */
-#define VP_CTRL_MSF(v)		FLD_VAL(v, 0, 0) /* Magic square in RGB666 */
-#define VP_CTRL_VTGEN(v)	FLD_VAL(v, 4, 4) /* Use chip clock for timing */
-#define VP_CTRL_EVTMODE(v)	FLD_VAL(v, 5, 5) /* Event mode */
-#define VP_CTRL_RGB888(v)	FLD_VAL(v, 8, 8) /* RGB888 mode */
+#define VP_CTRL_MSF		BIT(0) /* Magic square in RGB666 */
+#define VP_CTRL_VTGEN		BIT(4) /* Use chip clock for timing */
+#define VP_CTRL_EVTMODE		BIT(5) /* Event mode */
+#define VP_CTRL_RGB888		BIT(8) /* RGB888 mode */
 #define VP_CTRL_VSDELAY(v)	FLD_VAL(v, 31, 20) /* VSYNC delay */
 #define VP_CTRL_HSPOL		BIT(17) /* Polarity of HSYNC signal */
 #define VP_CTRL_DEPOL		BIT(18) /* Polarity of DE signal */
@@ -233,8 +233,8 @@ static int tc358764_init(struct tc358764 *ctx)
 	tc358764_write(ctx, DSI_STARTDSI, DSI_RX_START);
 
 	/* configure video path */
-	tc358764_write(ctx, VP_CTRL, VP_CTRL_VSDELAY(15) | VP_CTRL_RGB888(1) |
-		       VP_CTRL_EVTMODE(1) | VP_CTRL_HSPOL | VP_CTRL_VSPOL);
+	tc358764_write(ctx, VP_CTRL, VP_CTRL_VSDELAY(15) | VP_CTRL_RGB888 |
+		       VP_CTRL_EVTMODE | VP_CTRL_HSPOL | VP_CTRL_VSPOL);
 
 	/* reset PHY */
 	tc358764_write(ctx, LV_PHY0, LV_PHY0_RST(1) |