[PATCH v2] drm/amd/display: enable more strict compile checks

Hamza Mahfooz hamza.mahfooz at amd.com
Wed May 24 19:57:12 UTC 2023


On 5/24/23 15:54, Harry Wentland wrote:
> 
> 
> On 5/24/23 15:27, Hamza Mahfooz wrote:
>> On 5/24/23 15:22, Alex Deucher wrote:
>>> On Wed, May 24, 2023 at 3:20 PM Hamza Mahfooz <hamza.mahfooz at amd.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 at amd.com>
>>>> Cc: Harry Wentland <harry.wentland at amd.com>
>>>> Cc: Kenny Ho <kenny.ho at amd.com>
>>>> Signed-off-by: Hamza Mahfooz <hamza.mahfooz at amd.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 at amd.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.
>>
> 
> It's probable best to put that into amdgpu/Makefile in that case.

I tried the following, but it doesn't seem to work:

diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile 
b/drivers/gpu/drm/amd/amdgpu/Makefile
index 74a9aa6fe18c..d97bde0796dc 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -39,6 +39,8 @@ ccflags-y := -I$(FULL_AMD_PATH)/include/asic_reg \
         -I$(FULL_AMD_DISPLAY_PATH)/amdgpu_dm \
         -I$(FULL_AMD_PATH)/amdkfd

+ccflags-y += -Werror -Wunused -Wmisleading-indentation
+
  amdgpu-y := amdgpu_drv.o

  # add KMS driver

> 
> Harry
> 
>>>
>>> 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



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