linux-kernel - Re: [PATCH v2] drm/amd/display: enable more strict compile checks

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Message-ID: <cede79cd-4986-ce3c-ab74-a4497e9e1230@amd.com>
Date:   Wed, 24 May 2023 15:27:55 -0400
From:   Hamza Mahfooz <hamza.mahfooz@....com>
To:     Alex Deucher <alexdeucher@...il.com>
Cc:     amd-gfx@...ts.freedesktop.org, Leo Li <sunpeng.li@....com>,
        Kenny Ho <kenny.ho@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>,
        Rodrigo Siqueira <Rodrigo.Siqueira@....com>,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        Daniel Vetter <daniel@...ll.ch>,
        Alex Deucher <alexander.deucher@....com>,
        David Airlie <airlied@...il.com>,
        Harry Wentland <harry.wentland@....com>,
        Christian König <christian.koenig@....com>
Subject: Re: [PATCH v2] drm/amd/display: enable more strict compile checks

On 5/24/23 15:22, Alex Deucher wrote:
> On Wed, May 24, 2023 at 3:20 PM Hamza Mahfooz <hamza.mahfooz@....com> wrote:
>>
>> Currently, there are quite a number of issues that are quite easy for
>> the CI to catch, that slip through the cracks. Among them, there are
>> unused variable and indentation issues. Also, we should consider all
>> warnings to be compile errors, since the community will eventually end
>> up complaining about them. So, enable -Werror, -Wunused and
>> -Wmisleading-indentation for all kernel builds.
>>
>> Cc: Alex Deucher <alexander.deucher@....com>
>> Cc: Harry Wentland <harry.wentland@....com>
>> Cc: Kenny Ho <kenny.ho@....com>
>> Signed-off-by: Hamza Mahfooz <hamza.mahfooz@....com>
>> ---
>> v2: fix grammatical error
>> ---
>>   drivers/gpu/drm/amd/display/Makefile | 2 ++
>>   1 file changed, 2 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/amd/display/Makefile b/drivers/gpu/drm/amd/display/Makefile
>> index 0d610cb376bb..3c44162ebe21 100644
>> --- a/drivers/gpu/drm/amd/display/Makefile
>> +++ b/drivers/gpu/drm/amd/display/Makefile
>> @@ -26,6 +26,8 @@
>>
>>   AMDDALPATH = $(RELATIVE_AMD_DISPLAY_PATH)
>>
>> +subdir-ccflags-y += -Werror -Wunused -Wmisleading-indentation
>> +
> 
> Care to enable this for the rest of amdgpu as well?  Or send out an
> additional patch to do that?  Either way:
> Reviewed-by: Alex Deucher <alexander.deucher@....com>

As far as I can tell, if `CONFIG_DRM_AMD_DC` is set it will run these
checks on at least the base driver code.

> 
> Alex
> 
>>   subdir-ccflags-y += -I$(FULL_AMD_DISPLAY_PATH)/dc/inc/
>>   subdir-ccflags-y += -I$(FULL_AMD_DISPLAY_PATH)/dc/inc/hw
>>   subdir-ccflags-y += -I$(FULL_AMD_DISPLAY_PATH)/dc/clk_mgr
>> --
>> 2.40.1
>>
-- 
Hamza