[PATCH v5 2/2] drm/xe/xe_gt_idle: add debugfs entry for powergating info

[Jani Nikula]

On Tue, 10 Sep 2024, Riana Tauro <riana.tauro at intel.com> wrote:
> Hi Michal
>
> On 9/9/2024 6:42 PM, Michal Wajdeczko wrote:
>> 
>> 
>> On 09.09.2024 14:38, Riana Tauro wrote:
>>> Hi Jani
>>>
>>> On 9/9/2024 5:32 PM, Jani Nikula wrote:
>>>> On Fri, 06 Sep 2024, Riana Tauro <riana.tauro at intel.com> wrote:
>>>>> @@ -288,6 +300,7 @@ static const struct drm_info_list debugfs_list[] = {
>>>>>        {"topology", .show = xe_gt_debugfs_simple_show, .data = topology},
>>>>>        {"steering", .show = xe_gt_debugfs_simple_show, .data = steering},
>>>>>        {"ggtt", .show = xe_gt_debugfs_simple_show, .data = ggtt},
>>>>> +    {"powergate_info", .show = xe_gt_debugfs_simple_show, .data =
>>>>> powergate_info},
>>>>>        {"register-save-restore", .show = xe_gt_debugfs_simple_show,
>>>>> .data = register_save_restore},
>>>>>        {"workarounds", .show = xe_gt_debugfs_simple_show, .data =
>>>>> workarounds},
>>>>>        {"pat", .show = xe_gt_debugfs_simple_show, .data = pat},
>>>>> diff --git a/drivers/gpu/drm/xe/xe_gt_idle.c
>>>>> b/drivers/gpu/drm/xe/xe_gt_idle.c
>>>>> index 3924f9f3d0a5..85a35ed153a3 100644
>>>>> --- a/drivers/gpu/drm/xe/xe_gt_idle.c
>>>>> +++ b/drivers/gpu/drm/xe/xe_gt_idle.c
>>>>> @@ -53,6 +53,11 @@ pc_to_xe(struct xe_guc_pc *pc)
>>>>>        return gt_to_xe(gt);
>>>>>    }
>>>>>    +static inline const char *str_up_down(bool v)
>>>>> +{
>>>>> +    return v ? "up" : "down";
>>>>> +}
>>>>
>>>> Please don't add functions with names that are obviously going to have
>>>> name collisions with core kernel headers. This now conflicts in
>>>> linux-next [1]. Please rename until we can merge the real str_up_down()
>>>> from upstream to drm-xe-next.
>>>>
>>>> Also, please don't use static inline in .c files. Just let the compiler
>>>> do its thing.
>>> This was suggested in a review comment to have a local copy till the
>>> function lands in the tree
>>>
>>> https://patchwork.freedesktop.org/patch/605708/?series=136477&rev=1
>> 
>> and there was heads-up [2] for potential conflict that was likely missed
>> 
>> [2]
>> https://lore.kernel.org/intel-xe/7b0a9a05-3a98-4ec7-9c21-f9743602b16a@intel.com/
> Sorry, i thought this was regarding cherry-picking the commit to 
> drm-xe-next.

Side note, cherry-picking stuff from other trees is also not something
we generally do.

BR,
Jani.


>
> Will remove this for now
>>>
>>> Will remove this and use the function once its merged to drm-xe-next.
>>>
>>> Thanks
>>> Riana
>>>>
>>>> BR,
>>>> Jani.
>>>>
>>>>
>>>> [1] https://lore.kernel.org/r/20240909195939.067c1c13@canb.auug.org.au
>>>>
>>>>

-- 
Jani Nikula, Intel