[PATCH RESEND v4 v5 2/4] drm/vc4: Support nomodeset

Maxime Ripard
2021-12-15T09:51:29Z

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@cerno.tech>
---
drivers/gpu/drm/vc4/vc4_drv.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/vc4/vc4_drv.c b/drivers/gpu/drm/vc4/vc4_drv.c
index 16abc3a3d601..d3cae84a4c4e 100644
--- a/drivers/gpu/drm/vc4/vc4_drv.c
+++ b/drivers/gpu/drm/vc4/vc4_drv.c
@@ -357,6 +357,9 @@ static int __init vc4_drm_register(void)
{
int ret;

+ if (drm_firmware_drivers_only())
+ return -ENODEV;
+
ret = platform_register_drivers(component_drivers,
ARRAY_SIZE(component_drivers));
if (ret)
--
2.33.1