drm/nouveau/ltc: protect clearing of comptags with mutex (f4e65efc) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/gpu/drm/nouveau/nvkm/subdev/ltc/base.c

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -47,8 +47,10 @@ nvkm_ltc_tags_clear(struct nvkm_ltc *ltc, u32 first, u32 count)

	BUG_ON((first > limit) \|\| (limit >= ltc->num_tags));		BUG_ON((first > limit) \|\| (limit >= ltc->num_tags));

			mutex_lock(&ltc->subdev.mutex);
	ltc->func->cbc_clear(ltc, first, limit);		ltc->func->cbc_clear(ltc, first, limit);
	ltc->func->cbc_wait(ltc);		ltc->func->cbc_wait(ltc);
			mutex_unlock(&ltc->subdev.mutex);
	}		}

	int		int