2021-11-15 07:14:55

by 赵军奎

Subject: [PATCH] drm/amd/amdgpu: remove useless break after return

This change is to remove useless break after return.

Signed-off-by: Bernard Zhao <[email protected]>
---
drivers/gpu/drm/amd/amdgpu/dce_v8_0.c | 4 ----
1 file changed, 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
index b200b9e722d9..8318ee8339f1 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
@@ -2092,22 +2092,18 @@ static int dce_v8_0_pick_dig_encoder(struct drm_encoder *encoder)
return 1;
else
return 0;
- break;
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
if (dig->linkb)
return 3;
else
return 2;
- break;
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
if (dig->linkb)
return 5;
else
return 4;
- break;
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
return 6;
- break;
default:
DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
return 0;
--
2.33.1

2021-11-15 07:32:12

by Joe Perches

Subject: Re: [PATCH] drm/amd/amdgpu: remove useless break after return

On Sun, 2021-11-14 at 23:14 -0800, Bernard Zhao wrote:
> This change is to remove useless break after return.
[]
> diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
[]
> @@ -2092,22 +2092,18 @@ static int dce_v8_0_pick_dig_encoder(struct drm_encoder *encoder)
> return 1;
> else
> return 0;
> - break;
> case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
> if (dig->linkb)
> return 3;
> else
> return 2;
> - break;
> case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
> if (dig->linkb)
> return 5;
> else
> return 4;
> - break;
> case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
> return 6;
> - break;
> default:
> DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
> return 0;

Perhaps rewrite to make the sequential numbering more obvious.
---
drivers/gpu/drm/amd/amdgpu/dce_v8_0.c | 19 +++----------------
1 file changed, 3 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
index b200b9e722d97..7307524b706b4 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
@@ -2088,26 +2088,13 @@ static int dce_v8_0_pick_dig_encoder(struct drm_encoder *encoder)

switch (amdgpu_encoder->encoder_id) {
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
- if (dig->linkb)
- return 1;
- else
- return 0;
- break;
+ return !dig->linkb ? 0 : 1;
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
- if (dig->linkb)
- return 3;
- else
- return 2;
- break;
+ return !dig->linkb ? 2 : 3;
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
- if (dig->linkb)
- return 5;
- else
- return 4;
- break;
+ return !dig->linkb ? 4 : 5;
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
return 6;
- break;
default:
DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
return 0;

2021-11-17 21:25:55

by Alex Deucher

Subject: Re: [PATCH] drm/amd/amdgpu: remove useless break after return

Applied thanks. If you want to make the numbering more sequential,
please also update the other dce files if you make that change.

Alex

On Mon, Nov 15, 2021 at 2:14 AM Bernard Zhao <[email protected]> wrote:
>
> This change is to remove useless break after return.
>
> Signed-off-by: Bernard Zhao <[email protected]>
> ---
> drivers/gpu/drm/amd/amdgpu/dce_v8_0.c | 4 ----
> 1 file changed, 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
> index b200b9e722d9..8318ee8339f1 100644
> --- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
> @@ -2092,22 +2092,18 @@ static int dce_v8_0_pick_dig_encoder(struct drm_encoder *encoder)
> return 1;
> else
> return 0;
> - break;
> case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
> if (dig->linkb)
> return 3;
> else
> return 2;
> - break;
> case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
> if (dig->linkb)
> return 5;
> else
> return 4;
> - break;
> case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
> return 6;
> - break;
> default:
> DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
> return 0;
> --
> 2.33.1
>