Commit aa66df58 authored by Yongqiang Sun's avatar Yongqiang Sun Committed by Alex Deucher
Browse files

drm/amd/display: Add debug option to disable dmcu 



Signed-off-by: default avatarYongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: default avatarTony Cheng <Tony.Cheng@amd.com>
Acked-by: default avatarHarry Wentland <Harry.Wentland@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent ea24af3e

drivers/gpu/drm/amd/display/dc/dc.h

+1 −0
Original line number Diff line number Diff line
@@ -147,6 +147,7 @@ struct dc_debug { 
	bool disable_dfs_bypass;

	bool disable_power_gate;

	bool disable_clock_gate;

	bool disable_dmcu;

};



struct dc {

drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c

+3 −0
Original line number Diff line number Diff line
@@ -1821,6 +1821,9 @@ void dce110_link_encoder_init_dmcu_backlight_settings( 
	uint32_t s2;

	uint32_t value;



	if (enc->ctx->dc->debug.disable_dmcu)

		return;



	bl_pwm_cntl = REG_READ(BL_PWM_CNTL);



	/* It must not be 0, so we have to restore them