[Intel-gfx] [PATCH 1/6] drm: Renaming DP training vswing/pre-emph defines
Jindal, Sonika
sonika.jindal at intel.com
Tue Aug 5 13:33:56 CEST 2014
On 8/5/2014 4:45 PM, Daniel Vetter wrote:
> On Tue, Aug 05, 2014 at 04:38:17PM +0530, sonika.jindal at intel.com wrote:
>> From: Sonika Jindal <sonika.jindal at intel.com>
>>
>> Renaming defines to have levels instead of nominal values.
>>
>> Signed-off-by: Sonika Jindal <sonika.jindal at intel.com>
>
> You can't split up patches like this since this will break compilation.
> For larger stuff (and imo this is right above the cutoff) you first need
> to add the new functions/defines, then convert everyone over. And only
> when all the drivers are converted can we apply the patch to remove the
> old functions/defines.
> -Daniel
>
Got your concern. So, I will repost the first patch keeping both the
defines and an additional last patch for removing the extra defines.
>> ---
>> include/drm/drm_dp_helper.h | 16 ++++++++--------
>> 1 file changed, 8 insertions(+), 8 deletions(-)
>>
>> diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
>> index a21568b..70f362b 100644
>> --- a/include/drm/drm_dp_helper.h
>> +++ b/include/drm/drm_dp_helper.h
>> @@ -190,16 +190,16 @@
>> # define DP_TRAIN_VOLTAGE_SWING_MASK 0x3
>> # define DP_TRAIN_VOLTAGE_SWING_SHIFT 0
>> # define DP_TRAIN_MAX_SWING_REACHED (1 << 2)
>> -# define DP_TRAIN_VOLTAGE_SWING_400 (0 << 0)
>> -# define DP_TRAIN_VOLTAGE_SWING_600 (1 << 0)
>> -# define DP_TRAIN_VOLTAGE_SWING_800 (2 << 0)
>> -# define DP_TRAIN_VOLTAGE_SWING_1200 (3 << 0)
>> +# define DP_TRAIN_VOLTAGE_SWING_LEVEL_0 (0 << 0)
>> +# define DP_TRAIN_VOLTAGE_SWING_LEVEL_1 (1 << 0)
>> +# define DP_TRAIN_VOLTAGE_SWING_LEVEL_2 (2 << 0)
>> +# define DP_TRAIN_VOLTAGE_SWING_LEVEL_3 (3 << 0)
>>
>> # define DP_TRAIN_PRE_EMPHASIS_MASK (3 << 3)
>> -# define DP_TRAIN_PRE_EMPHASIS_0 (0 << 3)
>> -# define DP_TRAIN_PRE_EMPHASIS_3_5 (1 << 3)
>> -# define DP_TRAIN_PRE_EMPHASIS_6 (2 << 3)
>> -# define DP_TRAIN_PRE_EMPHASIS_9_5 (3 << 3)
>> +# define DP_TRAIN_PRE_EMPHASIS_LEVEL_0 (0 << 3)
>> +# define DP_TRAIN_PRE_EMPHASIS_LEVEL_1 (1 << 3)
>> +# define DP_TRAIN_PRE_EMPHASIS_LEVEL_2 (2 << 3)
>> +# define DP_TRAIN_PRE_EMPHASIS_LEVEL_3 (3 << 3)
>>
>> # define DP_TRAIN_PRE_EMPHASIS_SHIFT 3
>> # define DP_TRAIN_MAX_PRE_EMPHASIS_REACHED (1 << 5)
>> --
>> 1.7.10.4
>>
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>
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