2021-04-16 15:49:31

by Lee Jones

Subject: [PATCH 02/40] drm/nouveau/dispnv50/disp: Remove unused variable 'ret'

Fixes the following W=1 kernel build warning(s):

drivers/gpu/drm/nouveau/dispnv50/disp.c:1381:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]

Cc: Ben Skeggs <[email protected]>
Cc: David Airlie <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Lee Jones <[email protected]>
---
drivers/gpu/drm/nouveau/dispnv50/disp.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index 1c9c0cdf85dbc..4801aafd9552b 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -1410,10 +1410,9 @@ nv50_mstm_prepare(struct nv50_mstm *mstm)
{
struct nouveau_drm *drm = nouveau_drm(mstm->outp->base.base.dev);
struct drm_encoder *encoder;
- int ret;

NV_ATOMIC(drm, "%s: mstm prepare\n", mstm->outp->base.base.name);
- ret = drm_dp_update_payload_part1(&mstm->mgr);
+ drm_dp_update_payload_part1(&mstm->mgr);

drm_for_each_encoder(encoder, mstm->outp->base.base.dev) {
if (encoder->encoder_type == DRM_MODE_ENCODER_DPMST) {
--
2.27.0

2021-04-19 11:47:09

by Karol Herbst

Subject: Re: [Nouveau] [PATCH 02/40] drm/nouveau/dispnv50/disp: Remove unused variable 'ret'

On Fri, Apr 16, 2021 at 4:37 PM Lee Jones <[email protected]> wrote:
>
> Fixes the following W=1 kernel build warning(s):
>
> drivers/gpu/drm/nouveau/dispnv50/disp.c:1381:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
>

not a big fan of just ignoring return codes, I'd rather see it handled
somehow, unless somebody knowing more about the details here says it's
okay.

> Cc: Ben Skeggs <[email protected]>
> Cc: David Airlie <[email protected]>
> Cc: Daniel Vetter <[email protected]>
> Cc: [email protected]
> Cc: [email protected]
> Signed-off-by: Lee Jones <[email protected]>
> ---
> drivers/gpu/drm/nouveau/dispnv50/disp.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
> index 1c9c0cdf85dbc..4801aafd9552b 100644
> --- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
> +++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
> @@ -1410,10 +1410,9 @@ nv50_mstm_prepare(struct nv50_mstm *mstm)
> {
> struct nouveau_drm *drm = nouveau_drm(mstm->outp->base.base.dev);
> struct drm_encoder *encoder;
> - int ret;
>
> NV_ATOMIC(drm, "%s: mstm prepare\n", mstm->outp->base.base.name);
> - ret = drm_dp_update_payload_part1(&mstm->mgr);
> + drm_dp_update_payload_part1(&mstm->mgr);
>
> drm_for_each_encoder(encoder, mstm->outp->base.base.dev) {
> if (encoder->encoder_type == DRM_MODE_ENCODER_DPMST) {
> --
> 2.27.0
>
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