diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c b/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c index b48190f549079bb113dfc7d370fa8c7ff0c59439..b231bd53613e893e7e82b1ebe19d8ba517dea4b0 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c @@ -323,6 +323,15 @@ static bool dce_abm_immediate_disable(struct abm *abm) /* notifyDMCUMsg */ REG_UPDATE(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT, 1); + abm->stored_backlight_registers.BL_PWM_CNTL = + REG_READ(BL_PWM_CNTL); + abm->stored_backlight_registers.BL_PWM_CNTL2 = + REG_READ(BL_PWM_CNTL2); + abm->stored_backlight_registers.BL_PWM_PERIOD_CNTL = + REG_READ(BL_PWM_PERIOD_CNTL); + + REG_GET(LVTMA_PWRSEQ_REF_DIV, BL_PWM_REF_DIV, + &abm->stored_backlight_registers.LVTMA_PWRSEQ_REF_DIV_BL_PWM_REF_DIV); return true; }