Commit 3f689345 authored by Martin Leung's avatar Martin Leung Committed by Alex Deucher
Browse files

drm/amd/display: revert Power down hardware if timer not trigger 



Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: default avatarGeorge Shen <George.Shen@amd.com>
Acked-by: default avatarTom Chung <chiahsuan.chung@amd.com>
Signed-off-by: default avatarMartin Leung <Martin.Leung@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 180c4592

drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c

+1 −25
Original line number Diff line number Diff line
@@ -615,37 +615,13 @@ static void dcn31_clk_mgr_helper_populate_bw_params(struct clk_mgr_internal *clk 
	}

}



void dcn31_set_low_power_state(struct clk_mgr *clk_mgr_base)

{

	int display_count;

	struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);

	struct dc *dc = clk_mgr_base->ctx->dc;

	struct dc_state *context = dc->current_state;



	if (clk_mgr_base->clks.pwr_state != DCN_PWR_STATE_LOW_POWER) {

		display_count = dcn31_get_active_display_cnt_wa(dc, context);

		/* if we can go lower, go lower */

		if (display_count == 0) {

			union display_idle_optimization_u idle_info = { 0 };



			idle_info.idle_info.df_request_disabled = 1;

			idle_info.idle_info.phy_ref_clk_off = 1;

			idle_info.idle_info.s0i2_rdy = 1;

			dcn31_smu_set_display_idle_optimization(clk_mgr, idle_info.data);

			/* update power state */

			clk_mgr_base->clks.pwr_state = DCN_PWR_STATE_LOW_POWER;

		}

	}

}



static struct clk_mgr_funcs dcn31_funcs = {

	.get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz,

	.update_clocks = dcn31_update_clocks,

	.init_clocks = dcn31_init_clocks,

	.enable_pme_wa = dcn31_enable_pme_wa,

	.are_clock_states_equal = dcn31_are_clock_states_equal,

	.notify_wm_ranges = dcn31_notify_wm_ranges,

	.set_low_power_state = dcn31_set_low_power_state

	.notify_wm_ranges = dcn31_notify_wm_ranges

};

extern struct clk_mgr_funcs dcn3_fpga_funcs;