Commit 03bc9675 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

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



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 1575b364

drivers/gpu/drm/nouveau/nouveau_drv.c

+1 −1
Original line number Diff line number Diff line
@@ -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");

drivers/gpu/drm/nouveau/nouveau_drv.h

+1 −0
Original line number Diff line number Diff line
@@ -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;

drivers/gpu/drm/nouveau/nouveau_state.c

+9 −0
Original line number Diff line number Diff line
@@ -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;

}