[PATCH RESEND v4 v4 2/4] drm/vc4: Support nomodeset

[Maxime Ripard]

If we have nomodeset on the kernel command line we should have the
firmware framebuffer driver kept as is and not try to load the
full-blown KMS driver.

In this case, let's just register the v3d driver.

Signed-off-by: Maxime Ripard <maxime at cerno.tech>
---
 drivers/gpu/drm/vc4/vc4_drv.c | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/vc4/vc4_drv.c b/drivers/gpu/drm/vc4/vc4_drv.c
index 16abc3a3d601..12694e2201e7 100644
--- a/drivers/gpu/drm/vc4/vc4_drv.c
+++ b/drivers/gpu/drm/vc4/vc4_drv.c
@@ -357,12 +357,22 @@ static int __init vc4_drm_register(void)
 {
 	int ret;
 
-	ret = platform_register_drivers(component_drivers,
-					ARRAY_SIZE(component_drivers));
-	if (ret)
-		return ret;
+	if (!drm_firmware_drivers_only()) {
+		ret = platform_register_drivers(component_drivers,
+						ARRAY_SIZE(component_drivers));
+		if (ret)
+			return ret;
 
-	return platform_driver_register(&vc4_platform_driver);
+		ret = platform_driver_register(&vc4_platform_driver);
+		if (ret)
+			return ret;
+	} else {
+		ret = platform_driver_register(&vc4_v3d_driver);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
 }
 
 static void __exit vc4_drm_unregister(void)
-- 
2.33.1