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authorAlexandre Courbot <acourbot@nvidia.com>2016-12-14 17:02:52 +0900
committerBen Skeggs <bskeggs@redhat.com>2017-02-17 15:14:32 +1000
commit63f542e4733a3609488c31961036995aa55d2450 (patch)
tree97645bf1c81a37ac69592082630f49a598d5afbc /drivers
parent425c816a806230bcaf17ceb41faeb477f285f781 (diff)
downloadlinux-63f542e4733a3609488c31961036995aa55d2450.tar.bz2
drm/nouveau/secboot: clear halt interrupt after ACR is run
The halt interrupt must be cleared after ACR is run, otherwise the LS PMU firmware will not be able to run. Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r352.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r352.c b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r352.c
index 421cf78d2aa5..1aa37ea18580 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r352.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r352.c
@@ -774,6 +774,8 @@ acr_r352_bootstrap(struct acr_r352 *acr, struct nvkm_secboot *sb)
nvkm_debug(&sb->subdev, "running HS load blob\n");
ret = sb->func->run_blob(sb, acr->load_blob);
+ /* clear halt interrupt */
+ nvkm_falcon_clear_interrupt(sb->boot_falcon, 0x10);
if (ret)
return ret;
nvkm_debug(&sb->subdev, "HS load blob completed\n");