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Date: Wed, 15 Dec 2021 01:59:38 +0100 From: Javier Martinez Canillas <javierm@...hat.com> To: linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org Cc: Javier Martinez Canillas <javierm@...hat.com>, Emma Anholt <emma@...olt.net> Subject: [PATCH 30/60] drm/pl111: Add support for the nomodeset kernel parameter 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@...hat.com> --- drivers/gpu/drm/pl111/pl111_drv.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/pl111/pl111_drv.c b/drivers/gpu/drm/pl111/pl111_drv.c index 520301b405f1..7a316c8d8301 100644 --- a/drivers/gpu/drm/pl111/pl111_drv.c +++ b/drivers/gpu/drm/pl111/pl111_drv.c @@ -243,6 +243,9 @@ static int pl111_amba_probe(struct amba_device *amba_dev, struct drm_device *drm; int ret; + if (drm_firmware_drivers_only()) + return -ENODEV; + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; -- 2.33.1
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