Re: [Intel-gfx] [PATCH v4 1/2] drm/edid: Name the detailed monitor range flags

[Jani Nikula <jani.nikula@linux.intel.com>]

On Fri, 06 Mar 2020, Manasi Navare <manasi.d.navare@intel.com> wrote:
> On Fri, Mar 06, 2020 at 12:30:46PM +0200, Jani Nikula wrote:
>> On Thu, 05 Mar 2020, Manasi Navare <manasi.d.navare@intel.com> wrote:
>> > This patch adds defines for the detailed monitor
>> > range flags as per the EDID specification.
>> >
>> > Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
>> > Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
>> > Cc: Harry Wentland <harry.wentland@amd.com>
>> > Cc: Clinton A Taylor <clinton.a.taylor@intel.com>
>> > Cc: Kazlauskas Nicholas <Nicholas.Kazlauskas@amd.com>
>> > Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
>> > ---
>> >  include/drm/drm_edid.h | 5 +++++
>> >  1 file changed, 5 insertions(+)
>> >
>> > diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
>> > index f0b03d401c27..f89c97623845 100644
>> > --- a/include/drm/drm_edid.h
>> > +++ b/include/drm/drm_edid.h
>> > @@ -91,6 +91,11 @@ struct detailed_data_string {
>> >  	u8 str[13];
>> >  } __attribute__((packed));
>> >  
>> > +#define EDID_DEFAULT_GTF_SUPPORT_FLAG   0x00
>> > +#define EDID_RANGE_LIMITS_ONLY_FLAG     0x01
>> > +#define EDID_SECONDARY_GTF_SUPPORT_FLAG 0x02
>> > +#define EDID_CVT_SUPPORT_FLAG           0x04
>> 
>> Bikeshed for consideration:
>> 
>> drm_edid.h has some macros with DRM_EDID_ prefix, some with EDID_
>> prefix, and then some with no prefix at all really. Should we start
>> consolidating on something when we add more?
>>
>
> Yes Jani I did notice the same thing and didnt know which convention
> to continue to follow but I noticed that majority of the defines were
> just EDID_ so just used that for these new defines.

Ah, look again, DRM_EDID_ trumps EDID_ 51 to 15.

> Is there a particular way you wish to consolidate this and use a specific
> convention for #defines?
>
> I can atleast change these new defines based on a preferred convention and then
> separate patches to change the rest in .h and corresponding usages in .c files.

I'd suggest DRM_EDID_ for new ones, perhaps eventually rename old ones.

BR,
Jani.


>
> Regards
> Manasi
>  
>> BR,
>> Jani.
>> 
>> 
>> > +
>> >  struct detailed_data_monitor_range {
>> >  	u8 min_vfreq;
>> >  	u8 max_vfreq;
>> 
>> -- 
>> Jani Nikula, Intel Open Source Graphics Center

-- 
Jani Nikula, Intel Open Source Graphics Center
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