drm: mxsfb: Reorder mxsfb_crtc_mode_set_nofb()

Reorder mxsfb_crtc_mode_set_nofb() such that all functions which perform
register IO are called from one single location in this function. This is
a clean up. No functional change.
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Alexander Stein <alexander.stein@ew.tq-group.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Robby Cai <robby.cai@nxp.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Stefan Agner <stefan@agner.ch>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220417020800.336675-4-marex@denx.de

drivers/gpu/drm/mxsfb/mxsfb_kms.c

@@ -282,15 +282,6 @@ static void mxsfb_crtc_mode_set_nofb(struct mxsfb_drm_private *mxsfb,
 	u32 bus_flags = mxsfb->connector->display_info.bus_flags;
 	int err;
 
-	/* Mandatory eLCDIF reset as per the Reference Manual */
-	err = mxsfb_reset_block(mxsfb);
-	if (err)
-		return;
-
-	mxsfb_set_formats(mxsfb, bus_format);
-
-	clk_set_rate(mxsfb->clk, m->crtc_clock * 1000);
-
 	if (mxsfb->bridge && mxsfb->bridge->timings)
 		bus_flags = mxsfb->bridge->timings->input_bus_flags;
 
@@ -301,6 +292,15 @@ static void mxsfb_crtc_mode_set_nofb(struct mxsfb_drm_private *mxsfb,
 			     bus_flags);
 	DRM_DEV_DEBUG_DRIVER(drm->dev, "Mode flags: 0x%08X\n", m->flags);
 
+	/* Mandatory eLCDIF reset as per the Reference Manual */
+	err = mxsfb_reset_block(mxsfb);
+	if (err)
+		return;
+
+	mxsfb_set_formats(mxsfb, bus_format);
+
+	clk_set_rate(mxsfb->clk, m->crtc_clock * 1000);
+
 	mxsfb_set_mode(mxsfb, bus_flags);
 }