drm/mgag200: Separate DRM and PCI functionality from each other

Moving the DRM driver structures from the middle of the PCI code to
the top of the file makes it more readable. Also remove an obsolete
comment.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200605135803.19811-9-tzimmermann@suse.de

drivers/gpu/drm/mgag200/mgag200_drv.c

@@ -17,17 +17,31 @@
 
 #include "mgag200_drv.h"
 
-/*
- * This is the generic driver code. This binds the driver to the drm core,
- * which then performs further device association and calls our graphics init
- * functions
- */
-
 int mgag200_modeset = -1;
 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
 module_param_named(modeset, mgag200_modeset, int, 0400);
 
-static struct drm_driver driver;
+/*
+ * DRM driver
+ */
+
+DEFINE_DRM_GEM_FOPS(mgag200_driver_fops);
+
+static struct drm_driver driver = {
+	.driver_features = DRIVER_ATOMIC | DRIVER_GEM | DRIVER_MODESET,
+	.fops = &mgag200_driver_fops,
+	.name = DRIVER_NAME,
+	.desc = DRIVER_DESC,
+	.date = DRIVER_DATE,
+	.major = DRIVER_MAJOR,
+	.minor = DRIVER_MINOR,
+	.patchlevel = DRIVER_PATCHLEVEL,
+	DRM_GEM_SHMEM_DRIVER_OPS,
+};
+
+/*
+ * PCI driver
+ */
 
 static const struct pci_device_id pciidlist[] = {
 	{ PCI_VENDOR_ID_MATROX, 0x522, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
@@ -91,20 +105,6 @@ static void mga_pci_remove(struct pci_dev *pdev)
 	drm_dev_put(dev);
 }
 
-DEFINE_DRM_GEM_FOPS(mgag200_driver_fops);
-
-static struct drm_driver driver = {
-	.driver_features = DRIVER_ATOMIC | DRIVER_GEM | DRIVER_MODESET,
-	.fops = &mgag200_driver_fops,
-	.name = DRIVER_NAME,
-	.desc = DRIVER_DESC,
-	.date = DRIVER_DATE,
-	.major = DRIVER_MAJOR,
-	.minor = DRIVER_MINOR,
-	.patchlevel = DRIVER_PATCHLEVEL,
-	DRM_GEM_SHMEM_DRIVER_OPS,
-};
-
 static struct pci_driver mgag200_pci_driver = {
 	.name = DRIVER_NAME,
 	.id_table = pciidlist,