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drm/tilcdc: Add support for the nomodeset kernel parameter

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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 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>
Acked-by: Jyri Sarha <jyri.sarha@iki.fi>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20211217003752.3946210-37-javierm@redhat.com
This commit is contained in:
Javier Martinez Canillas 2021-12-17 01:37:51 +01:00
parent 93804f5d2d
commit 9b71ce89b5
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GPG Key ID: C751E590D63F3D69
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/tilcdc/tilcdc_drv.c
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@ -604,6 +604,9 @@ static struct platform_driver tilcdc_platform_driver = {
static int __init tilcdc_drm_init(void)
{
if (drm_firmware_drivers_only())
return -ENODEV;
DBG("init");
tilcdc_panel_init();
return platform_driver_register(&tilcdc_platform_driver);