ssc_enabled does not get set for c20 phy. This patch makes sure we set ssc_enabled for both c10 and c20.
Signed-off-by: Suraj Kandpal <[email protected]> --- drivers/gpu/drm/i915/display/intel_cx0_phy.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c index 058013c74991..d123851e53cb 100644 --- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c @@ -2033,21 +2033,27 @@ intel_c10pll_tables_get(struct intel_crtc_state *crtc_state, return NULL; } -static void intel_c10pll_update_pll(struct intel_crtc_state *crtc_state, +static void intel_cx0pll_update_ssc(struct intel_crtc_state *crtc_state, struct intel_encoder *encoder) { struct intel_display *display = to_intel_display(encoder); struct intel_cx0pll_state *pll_state = &crtc_state->dpll_hw_state.cx0pll; - int i; if (intel_crtc_has_dp_encoder(crtc_state)) { if (intel_panel_use_ssc(display)) { struct intel_dp *intel_dp = enc_to_intel_dp(encoder); - pll_state->ssc_enabled = (intel_dp->dpcd[DP_MAX_DOWNSPREAD] & DP_MAX_DOWNSPREAD_0_5); } } +} + +static void intel_c10pll_update_pll(struct intel_crtc_state *crtc_state, + struct intel_encoder *encoder) +{ + struct intel_display *display = to_intel_display(encoder); + struct intel_cx0pll_state *pll_state = &crtc_state->dpll_hw_state.cx0pll; + int i; if (pll_state->ssc_enabled) return; @@ -2070,6 +2076,7 @@ static int intel_c10pll_calc_state(struct intel_crtc_state *crtc_state, for (i = 0; tables[i]; i++) { if (crtc_state->port_clock == tables[i]->clock) { crtc_state->dpll_hw_state.cx0pll.c10 = *tables[i]; + intel_cx0pll_update_ssc(crtc_state, encoder); intel_c10pll_update_pll(crtc_state, encoder); crtc_state->dpll_hw_state.cx0pll.use_c10 = true; @@ -2354,6 +2361,7 @@ static int intel_c20pll_calc_state(struct intel_crtc_state *crtc_state, for (i = 0; tables[i]; i++) { if (crtc_state->port_clock == tables[i]->clock) { crtc_state->dpll_hw_state.cx0pll.c20 = *tables[i]; + intel_cx0pll_update_ssc(crtc_state, encoder); crtc_state->dpll_hw_state.cx0pll.use_c10 = false; return 0; } -- 2.34.1
