drm/i915: Pass crtc_state down to cnl dpll funcs

Simplify the calling convention of the dpll funcs by plumbing
the crtc state deeper.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190207173230.22368-7-ville.syrjala@linux.intel.com
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>

diff --git a/drivers/gpu/drm/i915/intel_dpll_mgr.c b/drivers/gpu/drm/i915/intel_dpll_mgr.c
index 9200fc7..0841c2c 100644 (file)
--- a/drivers/gpu/drm/i915/intel_dpll_mgr.c
+++ b/drivers/gpu/drm/i915/intel_dpll_mgr.c
@@ -2233,11 +2233,11 @@ int cnl_hdmi_pll_ref_clock(struct drm_i915_private *dev_priv)
 }
 
 static bool
-cnl_ddi_calculate_wrpll(int clock,
-                       struct drm_i915_private *dev_priv,
+cnl_ddi_calculate_wrpll(struct intel_crtc_state *crtc_state,
                        struct skl_wrpll_params *wrpll_params)
 {
-       u32 afe_clock = clock * 5;
+       struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev);
+       u32 afe_clock = crtc_state->port_clock * 5;
        u32 ref_clock;
        u32 dco_min = 7998000;
        u32 dco_max = 10000000;
@@ -2273,23 +2273,20 @@ cnl_ddi_calculate_wrpll(int clock,
 
        ref_clock = cnl_hdmi_pll_ref_clock(dev_priv);
 
-       cnl_wrpll_params_populate(wrpll_params, best_dco, ref_clock, pdiv, qdiv,
-                                 kdiv);
+       cnl_wrpll_params_populate(wrpll_params, best_dco, ref_clock,
+                                 pdiv, qdiv, kdiv);
 
        return true;
 }
 
-static bool cnl_ddi_hdmi_pll_dividers(struct intel_crtc *crtc,
-                                     struct intel_crtc_state *crtc_state,
-                                     int clock)
+static bool cnl_ddi_hdmi_pll_dividers(struct intel_crtc_state *crtc_state)
 {
-       struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
        u32 cfgcr0, cfgcr1;
        struct skl_wrpll_params wrpll_params = { 0, };
 
        cfgcr0 = DPLL_CFGCR0_HDMI_MODE;
 
-       if (!cnl_ddi_calculate_wrpll(clock, dev_priv, &wrpll_params))
+       if (!cnl_ddi_calculate_wrpll(crtc_state, &wrpll_params))
                return false;
 
        cfgcr0 |= DPLL_CFGCR0_DCO_FRACTION(wrpll_params.dco_fraction) |
@@ -2310,14 +2307,14 @@ static bool cnl_ddi_hdmi_pll_dividers(struct intel_crtc *crtc,
 }
 
 static bool
-cnl_ddi_dp_set_dpll_hw_state(int clock,
+cnl_ddi_dp_set_dpll_hw_state(struct intel_crtc_state *crtc_state,
                             struct intel_dpll_hw_state *dpll_hw_state)
 {
        u32 cfgcr0;
 
        cfgcr0 = DPLL_CFGCR0_SSC_ENABLE;
 
-       switch (clock / 2) {
+       switch (crtc_state->port_clock / 2) {
        case 81000:
                cfgcr0 |= DPLL_CFGCR0_LINK_RATE_810;
                break;
@@ -2355,22 +2352,20 @@ static struct intel_shared_dpll *
 cnl_get_dpll(struct intel_crtc_state *crtc_state,
             struct intel_encoder *encoder)
 {
-       struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
        struct intel_shared_dpll *pll;
-       int clock = crtc_state->port_clock;
        bool bret;
        struct intel_dpll_hw_state dpll_hw_state;
 
        memset(&dpll_hw_state, 0, sizeof(dpll_hw_state));
 
        if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) {
-               bret = cnl_ddi_hdmi_pll_dividers(crtc, crtc_state, clock);
+               bret = cnl_ddi_hdmi_pll_dividers(crtc_state);
                if (!bret) {
                        DRM_DEBUG_KMS("Could not get HDMI pll dividers.\n");
                        return NULL;
                }
        } else if (intel_crtc_has_dp_encoder(crtc_state)) {
-               bret = cnl_ddi_dp_set_dpll_hw_state(clock, &dpll_hw_state);
+               bret = cnl_ddi_dp_set_dpll_hw_state(crtc_state, &dpll_hw_state);
                if (!bret) {
                        DRM_DEBUG_KMS("Could not set DP dpll HW state.\n");
                        return NULL;
@@ -2539,7 +2534,7 @@ static bool icl_calc_dpll_state(struct intel_crtc_state *crtc_state,
                ret = icl_calc_tbt_pll(dev_priv, clock, &pll_params);
        else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI) ||
                 intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI))
-               ret = cnl_ddi_calculate_wrpll(clock, dev_priv, &pll_params);
+               ret = cnl_ddi_calculate_wrpll(crtc_state, &pll_params);
        else
                ret = icl_calc_dp_combo_pll(dev_priv, clock, &pll_params);