Commit e42a34de authored Sep 06, 2019 by Bhawanpreet Lakha Committed by Alex Deucher Sep 17, 2019

drm/amd/display: Implement voltage limitation for dali



[Why]
we only want the lowest voltage to be available for dali.

[How]
Use the get_highest_allowed_voltage_level function
to return 0 for dali

Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent 8ad050e6

drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -708,6 +708,10 @@ static void hack_bounding_box(struct dcn_bw_internal_vars *v,

		unsigned int get_highest_allowed_voltage_level(uint32_t hw_internal_rev)
		{
		/* for dali, the highest voltage level we want is 0 */
		if (ASICREV_IS_DALI(hw_internal_rev))
		return 0;

		/* we are ok with all levels */
		return 4;
		}

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