According to disable Documentation/admin-guide/kernel-parameters.txt, this parameter can be used to disable kernel modesetting. DRM drivers will not perform display-mode changes or accelerated rendering and only the systewm system framebuffer will be available if it was set-up. But only a few DRM drivers currently check for nomodeset, make this driver to also support the command line parameter. Signed-off-by: Javier Martinez Canillas <javierm@xxxxxxxxxx> --- drivers/gpu/drm/tiny/hx8357d.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/tiny/hx8357d.c b/drivers/gpu/drm/tiny/hx8357d.c index 9b33c05732aa..fd788d36efdd 100644 --- a/drivers/gpu/drm/tiny/hx8357d.c +++ b/drivers/gpu/drm/tiny/hx8357d.c @@ -225,6 +225,9 @@ static int hx8357d_probe(struct spi_device *spi) u32 rotation = 0; int ret; + if (drm_firmware_drivers_only()) + return -ENODEV; + dbidev = devm_drm_dev_alloc(dev, &hx8357d_driver, struct mipi_dbi_dev, drm); if (IS_ERR(dbidev)) -- 2.33.1
