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Commit 61b365a5 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau: populate master subdev pointer only when fully constructed 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent bdefc8cb

drivers/gpu/drm/nouveau/core/core/subdev.c

+0 −3
Original line number Diff line number Diff line
@@ -104,11 +104,8 @@ nouveau_subdev_create_(struct nouveau_object *parent, 


	if (parent) {

		struct nouveau_device *device = nv_device(parent);

		int subidx = nv_hclass(subdev) & 0xff;



		subdev->debug = nouveau_dbgopt(device->dbgopt, subname);

		subdev->mmio  = nv_subdev(device)->mmio;

		device->subdev[subidx] = *pobject;

	}



	return 0;

drivers/gpu/drm/nouveau/core/engine/device/base.c

+2 −0
Original line number Diff line number Diff line
@@ -268,6 +268,8 @@ nouveau_devobj_ctor(struct nouveau_object *parent, 
		if (ret)

			return ret;



		device->subdev[i] = devobj->subdev[i];



		/* note: can't init *any* subdevs until devinit has been run

		 * due to not knowing exactly what the vbios init tables will

		 * mess with.  devinit also can't be run until all of its

drivers/gpu/drm/nouveau/core/include/subdev/fb.h

+5 −0
Original line number Diff line number Diff line
@@ -75,6 +75,11 @@ struct nouveau_fb { 
static inline struct nouveau_fb *

nouveau_fb(void *obj)

{

	/* fbram uses this before device subdev pointer is valid */

	if (nv_iclass(obj, NV_SUBDEV_CLASS) &&

	    nv_subidx(obj) == NVDEV_SUBDEV_FB)

		return obj;



	return (void *)nv_device(obj)->subdev[NVDEV_SUBDEV_FB];

}