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drm/gma500: 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: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20211217003752.3946210-24-javierm@redhat.com
This commit is contained in:
Javier Martinez Canillas 2021-12-17 01:37:38 +01:00
parent 87a628abd8
commit ba4a28bb16
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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/gma500/psb_drv.c
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@ -538,6 +538,9 @@ static struct pci_driver psb_pci_driver = {
static int __init psb_init(void)
{
if (drm_firmware_drivers_only())
return -ENODEV;
return pci_register_driver(&psb_pci_driver);
}