drm/i915/icl: Use helper functions to classify the ports

Use intel_port_is_tc and intel_port_is_combophy
functions to replace the individual port checks
from port C to F and port A to B respectively.

Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Madhav Chauhan <madhav.chauhan@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181003072203.12848-5-mahesh1.kumar@intel.com

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 93fb961..cfab3c3 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -9269,24 +9269,17 @@ static void icelake_get_ddi_pll(struct drm_i915_private *dev_priv,
        u32 temp;
 
        /* TODO: TBT pll not implemented. */
-       switch (port) {
-       case PORT_A:
-       case PORT_B:
+       if (intel_port_is_combophy(dev_priv, port)) {
                temp = I915_READ(DPCLKA_CFGCR0_ICL) &
                       DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(port);
                id = temp >> DPCLKA_CFGCR0_DDI_CLK_SEL_SHIFT(port);
 
                if (WARN_ON(id != DPLL_ID_ICL_DPLL0 && id != DPLL_ID_ICL_DPLL1))
                        return;
-               break;
-       case PORT_C:
-       case PORT_D:
-       case PORT_E:
-       case PORT_F:
+       } else if (intel_port_is_tc(dev_priv, port)) {
                id = icl_port_to_mg_pll_id(port);
-               break;
-       default:
-               MISSING_CASE(port);
+       } else {
+               WARN(1, "Invalid port %x\n", port);
                return;
        }
 

diff --git a/drivers/gpu/drm/i915/intel_dpll_mgr.c b/drivers/gpu/drm/i915/intel_dpll_mgr.c
index e96383a..86f37cb 100644 (file)
--- a/drivers/gpu/drm/i915/intel_dpll_mgr.c
+++ b/drivers/gpu/drm/i915/intel_dpll_mgr.c
@@ -2867,6 +2867,7 @@ static struct intel_shared_dpll *
 icl_get_dpll(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state,
             struct intel_encoder *encoder)
 {
+       struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
        struct intel_digital_port *intel_dig_port =
                        enc_to_dig_port(&encoder->base);
        struct intel_shared_dpll *pll;
@@ -2876,18 +2877,12 @@ icl_get_dpll(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state,
        int clock = crtc_state->port_clock;
        bool ret;
 
-       switch (port) {
-       case PORT_A:
-       case PORT_B:
+       if (intel_port_is_combophy(dev_priv, port)) {
                min = DPLL_ID_ICL_DPLL0;
                max = DPLL_ID_ICL_DPLL1;
                ret = icl_calc_dpll_state(crtc_state, encoder, clock,
                                          &pll_state);
-               break;
-       case PORT_C:
-       case PORT_D:
-       case PORT_E:
-       case PORT_F:
+       } else if (intel_port_is_tc(dev_priv, port)) {
                if (intel_dig_port->tc_type == TC_PORT_TBT) {
                        min = DPLL_ID_ICL_TBTPLL;
                        max = min;
@@ -2899,8 +2894,7 @@ icl_get_dpll(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state,
                        ret = icl_calc_mg_pll_state(crtc_state, encoder, clock,
                                                    &pll_state);
                }
-               break;
-       default:
+       } else {
                MISSING_CASE(port);
                return NULL;
        }