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

From: Joe Perches
Date: Mon Nov 15 2021 - 02:32:13 EST


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;