Commit 9fcaa149 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau/device: post write to NV_PMC_BOOT_1 when flipping endian switch 



fdo#88868

Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 404ba3f7

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

+4 −2
Original line number Diff line number Diff line
@@ -340,11 +340,13 @@ nvkm_devobj_ctor(struct nvkm_object *parent, struct nvkm_object *engine, 


		/* switch mmio to cpu's native endianness */

#ifndef __BIG_ENDIAN

		if (ioread32_native(map + 0x000004) != 0x00000000)

		if (ioread32_native(map + 0x000004) != 0x00000000) {

#else

		if (ioread32_native(map + 0x000004) == 0x00000000)

		if (ioread32_native(map + 0x000004) == 0x00000000) {

#endif

			iowrite32_native(0x01000001, map + 0x000004);

			ioread32_native(map);

		}



		/* read boot0 and strapping information */

		boot0 = ioread32_native(map + 0x000000);