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Commit b84f30e6 authored by Ben Skeggs's avatar Ben Skeggs
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drm/nvc0: remove vm hack forcing large/small pages to not share a PDE 



Appears to be fixed with commit:

"drm/nv50-nvc0: make sure vma is definitely unmapped when destroying bo"

Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent e73f88af

drivers/gpu/drm/nouveau/nouveau_vm.c

+1 −12
Original line number Original line Diff line number Diff line
@@ -314,18 +314,7 @@ nouveau_vm_new(struct drm_device *dev, u64 offset, u64 length, u64 mm_offset, 
		vm->spg_shift = 12;

		vm->spg_shift = 12;

		vm->lpg_shift = 17;

		vm->lpg_shift = 17;

		pgt_bits = 27;

		pgt_bits = 27;



		/* Should be 4096 everywhere, this is a hack that's

		 * currently necessary to avoid an elusive bug that

		 * causes corruption when mixing small/large pages

		 */

		if (length < (1ULL << 40))

		block = 4096;

		block = 4096;

		else {

			block = (1 << pgt_bits);

			if (length < block)

				block = length;

		}

	} else {

	} else {

		kfree(vm);

		kfree(vm);

		return -ENOSYS;

		return -ENOSYS;