[PATCH] drm/i915/display: Maintain alphabetical order for HAS_AS_SDP and HAS_CMRR

[Jani Nikula]

On Wed, 12 Mar 2025, Lucas De Marchi <lucas.demarchi at intel.com> wrote:
> On Thu, Mar 13, 2025 at 10:08:30AM +0530, Nautiyal, Ankit K wrote:
>>
>>On 3/12/2025 10:37 PM, Gustavo Sousa wrote:
>>>Quoting Jani Nikula (2025-03-11 15:08:48-03:00)
>>>>On Tue, 11 Mar 2025, Ankit Nautiyal <ankit.k.nautiyal at intel.com> wrote:
>>>>>Reorder the macros HAS_AS_SDP and HAS_CMRR as per alphabetical order.
>>>>>
>>>>>Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal at intel.com>
>>>>>---
>>>>>  drivers/gpu/drm/i915/display/intel_display_device.h | 4 ++--
>>>>>  1 file changed, 2 insertions(+), 2 deletions(-)
>>>>>
>>>>>diff --git a/drivers/gpu/drm/i915/display/intel_display_device.h b/drivers/gpu/drm/i915/display/intel_display_device.h
>>>>>index 717286981687..332647c4ca81 100644
>>>>>--- a/drivers/gpu/drm/i915/display/intel_display_device.h
>>>>>+++ b/drivers/gpu/drm/i915/display/intel_display_device.h
>>>>>@@ -142,10 +142,12 @@ struct intel_display_platforms {
>>>>>          func(supports_tv);
>>>>>  #define HAS_4TILE(__display)                ((__display)->platform.dg2 || DISPLAY_VER(__display) >= 14)
>>>>>+#define HAS_AS_SDP(__display)                (DISPLAY_VER(__display) >= 13)
>>>>>  #define HAS_ASYNC_FLIPS(__display)        (DISPLAY_VER(__display) >= 5)
>>>>Y comes before _ in asciibetical order.
>>>Maybe that's just me, but I feel that's counter-intuitive in a context
>>>where we use _ to separate words.
>>
>>I do agree. I was assuming that we sort the words separated by '_' as 
>>delimiter.
>>
>>For a given hypothetical list, I thought the ordering will result in 
>>similar items grouped together
>>
>>(please forgive me for making up silly names here)
>>
>>HAS_HD
>>HAS_HD_AUDIO
>>HAS_HD_DISPLAY
>>HAS_HD_SUPPORT
>>HAS_HDMI
>>HAS_HDMI_PCON
>>HAS_HDR
>>
>>But with the `sort` command it will be:
>>
>>HAS_HD
>>HAS_HDMI
>>HAS_HDMI_PCON
>>HAS_HDR
>>HAS_HD_AUDIO
>>HAS_HD_DISPLAY
>>HAS_HD_SUPPORT
>>
>>However, if majority of folks use editor's sort command it becomes 
>>simpler to have the ASCII ordering for everyone.
>
> we would need another command to do "the right thing", for whatever
> definition of "right" we want.  Not sure if it's worth pursuing as the
> sort is also used in other places like includes and build objects in
> the Makefile. Would we change all of them?

This.

Just use what the common tools do as the default, and go with that.


BR,
Jani.

-- 
Jani Nikula, Intel