[Intel-gfx] [PATCH 1/2] drm/i915/icl: Add TBT checks for PLL calculations

[Anusha Srivatsa]

Add missing TBT check in the Pll calculation.

v2: do not use a auxiliary function to check if status is
TBT or not. (Paulo)

Cc: Paulo Zanoni <paulo.r.zanoni at intel.com>
Cc: Lucas De Marchi <lucas.demarchi at intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa at intel.com>
---
 drivers/gpu/drm/i915/intel_dpll_mgr.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_dpll_mgr.c b/drivers/gpu/drm/i915/intel_dpll_mgr.c
index 7e5e6eb..ba49078 100644
--- a/drivers/gpu/drm/i915/intel_dpll_mgr.c
+++ b/drivers/gpu/drm/i915/intel_dpll_mgr.c
@@ -428,6 +428,7 @@ ibx_get_dpll(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state,
 	     struct intel_encoder *encoder)
 {
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+
 	struct intel_shared_dpll *pll;
 	enum intel_dpll_id i;
 
@@ -2866,6 +2867,9 @@ static struct intel_shared_dpll *
 icl_get_dpll(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state,
 	     struct intel_encoder *encoder)
 {
+	struct intel_digital_port *intel_dig_port =
+			enc_to_dig_port(&encoder->base);
+
 	struct intel_shared_dpll *pll;
 	struct intel_dpll_hw_state pll_state = {};
 	enum port port = encoder->port;
@@ -2885,7 +2889,7 @@ icl_get_dpll(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state,
 	case PORT_D:
 	case PORT_E:
 	case PORT_F:
-		if (0 /* TODO: TBT PLLs */) {
+		if (intel_dig_port->tc_type == TC_PORT_TBT) {
 			min = DPLL_ID_ICL_TBTPLL;
 			max = min;
 			ret = icl_calc_dpll_state(crtc_state, encoder, clock,
-- 
2.7.4