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drm/bochs: Implement nomodeset

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Up until now, the bochsdrm driver didn't handle the nomodeset option
at boot, and didn't provide a "modeset" module option either.

This patch implements both.

The new parameter can be used by specifying bochs-drm.modeset=0
at boot time.

Signed-off-by: Max Staudt <mstaudt@suse.de>
Link: http://patchwork.freedesktop.org/patch/msgid/1484763012-17783-1-git-send-email-mstaudt@suse.de
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: David Airlie <airlied@gmail.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Max Staudt 2017-01-18 19:10:12 +01:00 committed by Gerd Hoffmann
parent 4078f57571
commit 1acf566195
1 changed files with 10 additions and 0 deletions
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10
drivers/gpu/drm/bochs/bochs_drv.c
View file

@ -12,6 +12,10 @@
#include "bochs.h"
static int bochs_modeset = -1;
module_param_named(modeset, bochs_modeset, int, 0444);
MODULE_PARM_DESC(modeset, "enable/disable kernel modesetting");
static bool enable_fbdev = true;
module_param_named(fbdev, enable_fbdev, bool, 0444);
MODULE_PARM_DESC(fbdev, "register fbdev device");
@ -214,6 +218,12 @@ static struct pci_driver bochs_pci_driver = {
static int __init bochs_init(void)
{
if (vgacon_text_force() && bochs_modeset == -1)
return -EINVAL;
if (bochs_modeset == 0)
return -EINVAL;
return drm_pci_init(&bochs_driver, &bochs_pci_driver);
}