Commit dfcbd550 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau/imem/nv50: map bar2 write-combined 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent be55287a

drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c

+3 −2
Original line number Diff line number Diff line
@@ -142,7 +142,7 @@ nv50_instobj_kmap(struct nv50_instobj *iobj, struct nvkm_vmm *vmm) 


	/* Make the mapping visible to the host. */

	iobj->bar = bar;

	iobj->map = ioremap(device->func->resource_addr(device, 3) +

	iobj->map = ioremap_wc(device->func->resource_addr(device, 3) +

			       (u32)iobj->bar.offset, size);

	if (!iobj->map) {

		nvkm_warn(subdev, "PRAMIN ioremap failed\n");
@@ -164,6 +164,7 @@ nv50_instobj_release(struct nvkm_memory *memory) 
	struct nv50_instmem *imem = iobj->imem;

	struct nvkm_subdev *subdev = &imem->base.subdev;



	wmb();

	nvkm_bar_flush(subdev->device->bar);



	if (refcount_dec_and_mutex_lock(&iobj->maps, &subdev->mutex)) {