This addresses the following gcc warning with "make W=1":
drivers/gpu/drm/nouveau/dispnv50/disp.c: In function ‘nv50_mstm_prepare’:
drivers/gpu/drm/nouveau/dispnv50/disp.c:1378:6: warning:
variable ‘ret’ set but not used [-Wunused-but-set-variable]
Signed-off-by: Tian Tao <tiantao6@xxxxxxxxxxxxx>
---
drivers/gpu/drm/nouveau/dispnv50/disp.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index b111fe2..d05c57c 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -1379,6 +1379,9 @@ nv50_mstm_prepare(struct nv50_mstm *mstm)
NV_ATOMIC(drm, "%s: mstm prepare\n", mstm->outp->base.base.name);
ret = drm_dp_update_payload_part1(&mstm->mgr);
+ if (ret) {
+ NV_ATOMIC(drm, "failed to update payload %d\n", ret);
+ }
drm_for_each_encoder(encoder, mstm->outp->base.base.dev) {
if (encoder->encoder_type == DRM_MODE_ENCODER_DPMST) {
--
2.7.4
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