2023-01-12 03:29:36

by Jiapeng Chong

[permalink] [raw]
Subject: [PATCH] drm/amd/display: Remove useless else if

The assignment of the else and if branches is the same, so the if else
here is redundant, so we remove it.

./drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c:1951:2-4: WARNING: possible condition with no effect (if == else).

Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3719
Reported-by: Abaci Robot <[email protected]>
Signed-off-by: Jiapeng Chong <[email protected]>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 4300ce98ce8d..aa3024e58d12 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1948,10 +1948,7 @@ static int dm_dmub_sw_init(struct amdgpu_device *adev)
dmub_asic = DMUB_ASIC_DCN21;
break;
case IP_VERSION(3, 0, 0):
- if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(10, 3, 0))
- dmub_asic = DMUB_ASIC_DCN30;
- else
- dmub_asic = DMUB_ASIC_DCN30;
+ dmub_asic = DMUB_ASIC_DCN30;
break;
case IP_VERSION(3, 0, 1):
dmub_asic = DMUB_ASIC_DCN301;
--
2.20.1.7.g153144c


2023-01-12 19:30:59

by Alex Deucher

[permalink] [raw]
Subject: Re: [PATCH] drm/amd/display: Remove useless else if

Applied. Thanks!

On Wed, Jan 11, 2023 at 10:21 PM Jiapeng Chong
<[email protected]> wrote:
>
> The assignment of the else and if branches is the same, so the if else
> here is redundant, so we remove it.
>
> ./drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c:1951:2-4: WARNING: possible condition with no effect (if == else).
>
> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3719
> Reported-by: Abaci Robot <[email protected]>
> Signed-off-by: Jiapeng Chong <[email protected]>
> ---
> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> index 4300ce98ce8d..aa3024e58d12 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -1948,10 +1948,7 @@ static int dm_dmub_sw_init(struct amdgpu_device *adev)
> dmub_asic = DMUB_ASIC_DCN21;
> break;
> case IP_VERSION(3, 0, 0):
> - if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(10, 3, 0))
> - dmub_asic = DMUB_ASIC_DCN30;
> - else
> - dmub_asic = DMUB_ASIC_DCN30;
> + dmub_asic = DMUB_ASIC_DCN30;
> break;
> case IP_VERSION(3, 0, 1):
> dmub_asic = DMUB_ASIC_DCN301;
> --
> 2.20.1.7.g153144c
>