From: Hansen Dsouza <Hansen.Dsouza@xxxxxxx> [Why] Spread on DPREFCLK by 0.3 percent can have a negative effect on sink when PHY SSC is also spread by 0.3 percent [How] Add boot option for DMU to lower PHY SSC Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx> Signed-off-by: Hansen Dsouza <Hansen.Dsouza@xxxxxxx> Signed-off-by: Zaeem Mohamed <zaeem.mohamed@xxxxxxx> --- drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c index d9f31b191c69..3d0bba602b53 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c @@ -371,6 +371,7 @@ void dmub_dcn31_enable_dmub_boot_options(struct dmub_srv *dmub, const struct dmu boot_options.bits.usb4_cm_version = params->usb4_cm_version; boot_options.bits.dpia_hpd_int_enable_supported = params->dpia_hpd_int_enable_supported; boot_options.bits.power_optimization = params->power_optimization; + boot_options.bits.lower_hbr3_phy_ssc = params->lower_hbr3_phy_ssc; boot_options.bits.sel_mux_phy_c_d_phy_f_g = (dmub->asic == DMUB_ASIC_DCN31B) ? 1 : 0; -- 2.34.1