drm/vc4: txp: Reorder the variable assignments

The current order of variable assignments is unneccessarily complex,
let's make it simpler.
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20221123-rpi-kunit-tests-v1-14-051a0bb60a16@cerno.tech

drivers/gpu/drm/vc4/vc4_txp.c

@@ -490,7 +490,6 @@ static int vc4_txp_bind(struct device *dev, struct device *master, void *data)
 	struct drm_device *drm = dev_get_drvdata(master);
 	struct vc4_crtc *vc4_crtc;
 	struct vc4_txp *txp;
-	struct drm_crtc *crtc;
 	struct drm_encoder *encoder;
 	int ret, irq;
 
@@ -501,18 +500,16 @@ static int vc4_txp_bind(struct device *dev, struct device *master, void *data)
 	txp = drmm_kzalloc(drm, sizeof(*txp), GFP_KERNEL);
 	if (!txp)
 		return -ENOMEM;
-	vc4_crtc = &txp->base;
-	crtc = &vc4_crtc->base;
-
-	vc4_crtc->pdev = pdev;
-	vc4_crtc->data = &vc4_txp_crtc_data;
-	vc4_crtc->feeds_txp = true;
 
 	txp->pdev = pdev;
-
 	txp->regs = vc4_ioremap_regs(pdev, 0);
 	if (IS_ERR(txp->regs))
 		return PTR_ERR(txp->regs);
+
+	vc4_crtc = &txp->base;
+	vc4_crtc->pdev = pdev;
+	vc4_crtc->data = &vc4_txp_crtc_data;
+	vc4_crtc->feeds_txp = true;
 	vc4_crtc->regset.base = txp->regs;
 	vc4_crtc->regset.regs = txp_regs;
 	vc4_crtc->regset.nregs = ARRAY_SIZE(txp_regs);
@@ -533,7 +530,7 @@ static int vc4_txp_bind(struct device *dev, struct device *master, void *data)
 		return ret;
 
 	encoder = &txp->connector.encoder;
-	encoder->possible_crtcs = drm_crtc_mask(crtc);
+	encoder->possible_crtcs = drm_crtc_mask(&vc4_crtc->base);
 
 	ret = devm_request_irq(dev, irq, vc4_txp_interrupt, 0,
 			       dev_name(dev), txp);