| Date | Mon, 24 Jan 2022 17:09:55 +0000 | Subject | Re: [PATCH 02/60] drm/arm/hdlcd: Add support for the nomodeset kernel parameter | From | Carsten Haitzler <> |
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Seems fine.
Reviewed-by: Carsten Haitzler <carsten.haitzler@arm.com>
On 12/15/21 00:59, Javier Martinez Canillas wrote: > 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@redhat.com> > --- > > drivers/gpu/drm/arm/hdlcd_drv.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c > index 479c2422a2e0..0939a64a9bd2 100644 > --- a/drivers/gpu/drm/arm/hdlcd_drv.c > +++ b/drivers/gpu/drm/arm/hdlcd_drv.c > @@ -382,6 +382,9 @@ static int hdlcd_probe(struct platform_device *pdev) > struct device_node *port; > struct component_match *match = NULL; > > + if (drm_firmware_drivers_only()) > + return -ENODEV; > + > /* there is only one output port inside each device, find it */ > port = of_graph_get_remote_node(pdev->dev.of_node, 0, 0); > if (!port)
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