From: Ben Skeggs <bske...@redhat.com>
Fixes OOPS on boards with ANX9805 DP encoders.
Signed-off-by: Ben Skeggs <bske...@redhat.com>
---
drivers/gpu/drm/nouveau/dispnv50/disp.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c
b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index 42e1665ba11a..1ecd3d63b108 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -1873,6 +1873,8 @@ nv50_pior_destroy(struct drm_encoder *encoder)
nvif_outp_dtor(&nv_encoder->outp);
drm_encoder_cleanup(encoder);
+
+ mutex_destroy(&nv_encoder->dp.hpd_irq_lock);
kfree(encoder);
}
@@ -1917,6 +1919,8 @@ nv50_pior_create(struct drm_connector *connector, struct
dcb_output *dcbe)
nv_encoder->i2c = ddc;
nv_encoder->aux = aux;
+ mutex_init(&nv_encoder->dp.hpd_irq_lock);
+
encoder = to_drm_encoder(nv_encoder);
encoder->possible_crtcs = dcbe->heads;
encoder->possible_clones = 0;
--
2.41.0
