[Intel-gfx] [PATCH v2 1/2] drm/dp: Bit definition for D3 power state that keeps AUX fully powered
Jani Nikula
jani.nikula at linux.intel.com
Fri Oct 27 10:25:01 UTC 2017
On Mon, 14 Aug 2017, Harry Wentland <harry.wentland at amd.com> wrote:
> On 2017-08-11 02:10 PM, Dhinakaran Pandiyan wrote:
>> DPCD 600h - SET_POWER & SET_DP_PWR_VOLTAGE defines power state
>>
>> 101 = Set Main-Link for local Sink device and all downstream Sink
>> devices to D3 (power-down mode), keep AUX block fully powered, ready to
>> reply within a Response Timeout period of 300us.
>>
>> This state is useful in a MST dock + MST monitor configuration that
>> doesn't wake up from D3 state.
>>
>> v2: Use spaces instead of tabs (Jani)
>>
>> Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan at intel.com>
>
> Reviewed-by: Harry Wentland <harry.wentland at amd.com>
Pushed this one to drm-misc-next, thanks for the patch and review, and
sorry for the delay.
BR,
Jani.
>
> Harry
>
>> ---
>> include/drm/drm_dp_helper.h | 1 +
>> 1 file changed, 1 insertion(+)
>>
>> diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
>> index b17476a..47a6cdb 100644
>> --- a/include/drm/drm_dp_helper.h
>> +++ b/include/drm/drm_dp_helper.h
>> @@ -618,6 +618,7 @@
>> # define DP_SET_POWER_D0 0x1
>> # define DP_SET_POWER_D3 0x2
>> # define DP_SET_POWER_MASK 0x3
>> +# define DP_SET_POWER_D3_AUX_ON 0x5
>>
>> #define DP_EDP_DPCD_REV 0x700 /* eDP 1.2 */
>> # define DP_EDP_11 0x00
>>
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--
Jani Nikula, Intel Open Source Technology Center
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