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SubjectRe: [PATCH 01/60] drm/komeda: Add support for the nomodeset kernel parameter
From
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/display/komeda/komeda_drv.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_drv.c b/drivers/gpu/drm/arm/display/komeda/komeda_drv.c
> index e7933930a657..4f6d5c2103ec 100644
> --- a/drivers/gpu/drm/arm/display/komeda/komeda_drv.c
> +++ b/drivers/gpu/drm/arm/display/komeda/komeda_drv.c
> @@ -9,6 +9,7 @@
> #include <linux/platform_device.h>
> #include <linux/component.h>
> #include <linux/pm_runtime.h>
> +#include <drm/drm_drv.h>
> #include <drm/drm_of.h>
> #include "komeda_dev.h"
> #include "komeda_kms.h"
> @@ -117,6 +118,9 @@ static int komeda_platform_probe(struct platform_device *pdev)
> struct component_match *match = NULL;
> struct device_node *child;
>
> + if (drm_firmware_drivers_only())
> + return -EINVAL;
> +
> if (!dev->of_node)
> return -ENODEV;
>

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