drm/vc4: vec: Remove vc4_dev vec pointer

There's no user for that pointer so let's just get rid of it.
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20220711173939.1132294-55-maxime@cerno.tech

drivers/gpu/drm/vc4/vc4_drv.h

@@ -84,7 +84,6 @@ struct vc4_dev {
 
 	struct vc4_hvs *hvs;
 	struct vc4_v3d *v3d;
-	struct vc4_vec *vec;
 
 	struct vc4_hang_state *hang_state;
 

drivers/gpu/drm/vc4/vc4_vec.c

@@ -532,7 +532,6 @@ static int vc4_vec_bind(struct device *dev, struct device *master, void *data)
 {
 	struct platform_device *pdev = to_platform_device(dev);
 	struct drm_device *drm = dev_get_drvdata(master);
-	struct vc4_dev *vc4 = to_vc4_dev(drm);
 	struct vc4_vec *vec;
 	struct vc4_vec_encoder *vc4_vec_encoder;
 	int ret;
@@ -585,8 +584,6 @@ static int vc4_vec_bind(struct device *dev, struct device *master, void *data)
 
 	dev_set_drvdata(dev, vec);
 
-	vc4->vec = vec;
-
 	vc4_debugfs_add_regset32(drm, "vec_regs", &vec->regset);
 
 	return 0;
@@ -601,15 +598,11 @@ static int vc4_vec_bind(struct device *dev, struct device *master, void *data)
 static void vc4_vec_unbind(struct device *dev, struct device *master,
 			   void *data)
 {
-	struct drm_device *drm = dev_get_drvdata(master);
-	struct vc4_dev *vc4 = to_vc4_dev(drm);
 	struct vc4_vec *vec = dev_get_drvdata(dev);
 
 	vc4_vec_connector_destroy(vec->connector);
 	drm_encoder_cleanup(vec->encoder);
 	pm_runtime_disable(dev);
-
-	vc4->vec = NULL;
 }
 
 static const struct component_ops vc4_vec_ops = {