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drm/nouveau: allow modeset module option to select 'headless mode' 

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2011-07-04 13:14:05 +10:00
parent 1575b3646c
commit 03bc9675d3
3 changed files with 11 additions and 1 deletions
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2
drivers/gpu/drm/nouveau/nouveau_drv.c
View File

@ -41,7 +41,7 @@ int nouveau_agpmode = -1;
module_param_named(agpmode, nouveau_agpmode, int, 0400);
MODULE_PARM_DESC(modeset, "Enable kernel modesetting");
static int nouveau_modeset = -1; /* kms */
int nouveau_modeset = -1;
module_param_named(modeset, nouveau_modeset, int, 0400);
MODULE_PARM_DESC(vbios, "Override default VBIOS location");

1
drivers/gpu/drm/nouveau/nouveau_drv.h
View File

@ -798,6 +798,7 @@ nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
}
/* nouveau_drv.c */
extern int nouveau_modeset;
extern int nouveau_agpmode;
extern int nouveau_duallink;
extern int nouveau_uscript_lvds;

9
drivers/gpu/drm/nouveau/nouveau_state.c
View File

@ -431,6 +431,15 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
return 1;
}
/* headless mode */
if (nouveau_modeset == 2) {
engine->display.early_init = nouveau_stub_init;
engine->display.late_takedown = nouveau_stub_takedown;
engine->display.create = nouveau_stub_init;
engine->display.init = nouveau_stub_init;
engine->display.destroy = nouveau_stub_takedown;
}
return 0;
}