[PATCH] drm/amd/display: Remove redundant code and semicolons

David Wu davidwu2 at amd.com
Thu Jun 20 17:43:21 UTC 2024


On 2024-06-20 13:21, Alex Deucher wrote:
> On Thu, Jun 20, 2024 at 1:18 PM David Wu <davidwu2 at amd.com> wrote:
>> see inline, please
>> David
>>
>> On 2024-06-20 12:50, Alex Deucher wrote:
>>> On Thu, Jun 20, 2024 at 12:07 PM David Wu <davidwu2 at amd.com> wrote:
>>>> I think the "break;" there is to silence the compilation warning - it is
>>>> ugly but needed.
>>> Which break?  It looks fine to me.
>> example here - code is fine but the compiler will complain about missing
>> "break" for case statement.
>>
>> -               return 256; break;
>> +               return 256;
> It shouldn't.  Actually a number of checkers will complain about
> having a break after a return.
maybe in my experience I am using a quite outdated compiler with -Wall. 
(I have to add "break" after "return" which drives me nuts!)
> Alex
>
>>> Alex
>>>
>>>> David
>>>>
>>>> On 2024-06-20 11:38, Alex Deucher wrote:
>>>>> Applied.  Thanks!
>>>>>
>>>>> Alex
>>>>>
>>>>> On Thu, Jun 20, 2024 at 5:07 AM Jiapeng Chong
>>>>> <jiapeng.chong at linux.alibaba.com> wrote:
>>>>>> No functional modification involved.
>>>>>>
>>>>>> ./drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_shared.c:3171:2-3: Unneeded semicolon.
>>>>>> ./drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_shared.c:3185:2-3: Unneeded semicolon.
>>>>>> ./drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_shared.c:3200:2-3: Unneeded semicolon.
>>>>>>
>>>>>> Reported-by: Abaci Robot <abaci at linux.alibaba.com>
>>>>>> Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=9365
>>>>>> Signed-off-by: Jiapeng Chong <jiapeng.chong at linux.alibaba.com>
>>>>>> ---
>>>>>>     .../dml21/src/dml2_core/dml2_core_shared.c    | 46 +++++++++----------
>>>>>>     1 file changed, 23 insertions(+), 23 deletions(-)
>>>>>>
>>>>>> diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_shared.c b/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_shared.c
>>>>>> index cfa4c4475821..1a9895b1833f 100644
>>>>>> --- a/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_shared.c
>>>>>> +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_shared.c
>>>>>> @@ -3142,62 +3142,62 @@ static unsigned int dml_get_tile_block_size_bytes(enum dml2_swizzle_mode sw_mode
>>>>>>     {
>>>>>>            switch (sw_mode) {
>>>>>>            case (dml2_sw_linear):
>>>>>> -               return 256; break;
>>>>>> +               return 256;
>>>>>>            case (dml2_sw_256b_2d):
>>>>>> -               return 256; break;
>>>>>> +               return 256;
>>>>>>            case (dml2_sw_4kb_2d):
>>>>>> -               return 4096; break;
>>>>>> +               return 4096;
>>>>>>            case (dml2_sw_64kb_2d):
>>>>>> -               return 65536; break;
>>>>>> +               return 65536;
>>>>>>            case (dml2_sw_256kb_2d):
>>>>>> -               return 262144; break;
>>>>>> +               return 262144;
>>>>>>            case (dml2_gfx11_sw_linear):
>>>>>> -               return 256; break;
>>>>>> +               return 256;
>>>>>>            case (dml2_gfx11_sw_64kb_d):
>>>>>> -               return 65536; break;
>>>>>> +               return 65536;
>>>>>>            case (dml2_gfx11_sw_64kb_d_t):
>>>>>> -               return 65536; break;
>>>>>> +               return 65536;
>>>>>>            case (dml2_gfx11_sw_64kb_d_x):
>>>>>> -               return 65536; break;
>>>>>> +               return 65536;
>>>>>>            case (dml2_gfx11_sw_64kb_r_x):
>>>>>> -               return 65536; break;
>>>>>> +               return 65536;
>>>>>>            case (dml2_gfx11_sw_256kb_d_x):
>>>>>> -               return 262144; break;
>>>>>> +               return 262144;
>>>>>>            case (dml2_gfx11_sw_256kb_r_x):
>>>>>> -               return 262144; break;
>>>>>> +               return 262144;
>>>>>>            default:
>>>>>>                    DML2_ASSERT(0);
>>>>>>                    return 256;
>>>>>> -       };
>>>>>> +       }
>>>>>>     }
>>>>>>
>>>>>>     const char *dml2_core_internal_bw_type_str(enum dml2_core_internal_bw_type bw_type)
>>>>>>     {
>>>>>>            switch (bw_type) {
>>>>>>            case (dml2_core_internal_bw_sdp):
>>>>>> -               return("dml2_core_internal_bw_sdp"); break;
>>>>>> +               return("dml2_core_internal_bw_sdp");
>>>>>>            case (dml2_core_internal_bw_dram):
>>>>>> -               return("dml2_core_internal_bw_dram"); break;
>>>>>> +               return("dml2_core_internal_bw_dram");
>>>>>>            case (dml2_core_internal_bw_max):
>>>>>> -               return("dml2_core_internal_bw_max"); break;
>>>>>> +               return("dml2_core_internal_bw_max");
>>>>>>            default:
>>>>>> -               return("dml2_core_internal_bw_unknown"); break;
>>>>>> -       };
>>>>>> +               return("dml2_core_internal_bw_unknown");
>>>>>> +       }
>>>>>>     }
>>>>>>
>>>>>>     const char *dml2_core_internal_soc_state_type_str(enum dml2_core_internal_soc_state_type dml2_core_internal_soc_state_type)
>>>>>>     {
>>>>>>            switch (dml2_core_internal_soc_state_type) {
>>>>>>            case (dml2_core_internal_soc_state_sys_idle):
>>>>>> -               return("dml2_core_internal_soc_state_sys_idle"); break;
>>>>>> +               return("dml2_core_internal_soc_state_sys_idle");
>>>>>>            case (dml2_core_internal_soc_state_sys_active):
>>>>>> -               return("dml2_core_internal_soc_state_sys_active"); break;
>>>>>> +               return("dml2_core_internal_soc_state_sys_active");
>>>>>>            case (dml2_core_internal_soc_state_svp_prefetch):
>>>>>> -               return("dml2_core_internal_soc_state_svp_prefetch"); break;
>>>>>> +               return("dml2_core_internal_soc_state_svp_prefetch");
>>>>>>            case dml2_core_internal_soc_state_max:
>>>>>>            default:
>>>>>> -               return("dml2_core_internal_soc_state_unknown"); break;
>>>>>> -       };
>>>>>> +               return("dml2_core_internal_soc_state_unknown");
>>>>>> +       }
>>>>>>     }
>>>>>>
>>>>>>     static bool dml_is_vertical_rotation(enum dml2_rotation_angle Scan)
>>>>>> --
>>>>>> 2.20.1.7.g153144c
>>>>>>


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