From: Charlene Liu <charlene.liu@xxxxxxx> Signed-off-by: Charlene Liu <charlene.liu at amd.com> Reviewed-by: Tony Cheng <Tony.Cheng at amd.com> Acked-by: Harry Wentland <harry.wentland at amd.com> --- drivers/gpu/drm/amd/display/dc/dce/dce_abm.c | 9 +++++++++ 1 file changed, 9 insertions(+) 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 b48190f54907..b231bd53613e 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; } -- 2.14.1
