diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_cx0_phy.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c index ed8e640b96b0..801235a5bc0a 100644 --- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c @@ -3239,14 +3239,22 @@ void intel_lnl_mac_transmit_lfps(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state) { struct intel_display *display = to_intel_display(encoder); - u8 owned_lane_mask = intel_cx0_get_owned_lane_mask(encoder); - bool enable = intel_alpm_is_alpm_aux_less(enc_to_intel_dp(encoder), - crtc_state); + intel_wakeref_t wakeref; int i; + u8 owned_lane_mask; - if (DISPLAY_VER(display) < 20) + if (DISPLAY_VER(display) < 20 || + !intel_alpm_is_alpm_aux_less(enc_to_intel_dp(encoder), crtc_state)) return; + owned_lane_mask = intel_cx0_get_owned_lane_mask(encoder); + + wakeref = intel_cx0_phy_transaction_begin(encoder); + + if (intel_encoder_is_c10phy(encoder)) + intel_cx0_rmw(encoder, owned_lane_mask, PHY_C10_VDR_CONTROL(1), 0, + C10_VDR_CTRL_MSGBUS_ACCESS, MB_WRITE_COMMITTED); + for (i = 0; i < 4; i++) { int tx = i % 2 + 1; u8 lane_mask = i < 2 ? INTEL_CX0_LANE0 : INTEL_CX0_LANE1; @@ -3256,9 +3264,10 @@ void intel_lnl_mac_transmit_lfps(struct intel_encoder *encoder, intel_cx0_rmw(encoder, lane_mask, PHY_CMN1_CONTROL(tx, 0), CONTROL0_MAC_TRANSMIT_LFPS, - enable ? CONTROL0_MAC_TRANSMIT_LFPS : 0, - MB_WRITE_COMMITTED); + CONTROL0_MAC_TRANSMIT_LFPS, MB_WRITE_COMMITTED); } + + intel_cx0_phy_transaction_end(encoder, wakeref); } static u8 cx0_power_control_disable_val(struct intel_encoder *encoder) |