diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_ddi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_ddi.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index cbd1060e9664..0405396c7750 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -73,11 +73,13 @@ #include "intel_lspcon.h" #include "intel_mg_phy_regs.h" #include "intel_modeset_lock.h" +#include "intel_panel.h" #include "intel_pfit.h" #include "intel_pps.h" #include "intel_psr.h" #include "intel_quirks.h" #include "intel_snps_phy.h" +#include "intel_step.h" #include "intel_tc.h" #include "intel_vdsc.h" #include "intel_vdsc_regs.h" @@ -1394,6 +1396,21 @@ static void tgl_dkl_phy_set_signal_levels(struct intel_encoder *encoder, for (ln = 0; ln < 2; ln++) { int level; + /* Wa_16011342517:adl-p */ + if (display->platform.alderlake_p && + IS_DISPLAY_STEP(display, STEP_A0, STEP_D0)) { + if ((intel_encoder_is_hdmi(encoder) && + crtc_state->port_clock == 594000) || + (intel_encoder_is_dp(encoder) && + crtc_state->port_clock == 162000)) { + intel_dkl_phy_rmw(display, DKL_TX_DPCNTL2(tc_port, ln), + LOADGEN_SHARING_PMD_DISABLE, 1); + } else { + intel_dkl_phy_rmw(display, DKL_TX_DPCNTL2(tc_port, ln), + LOADGEN_SHARING_PMD_DISABLE, 0); + } + } + intel_dkl_phy_write(display, DKL_TX_PMD_LANE_SUS(tc_port, ln), 0); level = intel_ddi_level(encoder, crtc_state, 2*ln+0); @@ -3355,6 +3372,8 @@ static void intel_ddi_enable_dp(struct intel_atomic_state *state, drm_connector_update_privacy_screen(conn_state); intel_edp_backlight_on(crtc_state, conn_state); + intel_panel_prepare(crtc_state, conn_state); + if (!intel_lspcon_active(dig_port) || intel_dp_has_hdmi_sink(&dig_port->dp)) intel_dp_set_infoframes(encoder, true, crtc_state, conn_state); @@ -3552,6 +3571,7 @@ static void intel_ddi_disable_dp(struct intel_atomic_state *state, intel_dp->link.active = false; + intel_panel_unprepare(old_conn_state); intel_psr_disable(intel_dp, old_crtc_state); intel_alpm_disable(intel_dp); intel_edp_backlight_off(old_conn_state); |