[PATCH v2 04/26] drm/i915/cx0: Move the HDMI FRL function to intel_hdmi

[Suraj Kandpal <suraj.kandpal@intel.com>]

Move the is_hdmi_frl to intel_hdmi.c. Rename it appropriately and
make it non static.

Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
---
 drivers/gpu/drm/i915/display/intel_cx0_phy.c | 21 +++-----------------
 drivers/gpu/drm/i915/display/intel_hdmi.c    | 14 +++++++++++++
 drivers/gpu/drm/i915/display/intel_hdmi.h    |  1 +
 3 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
index c99e0885e737..6991707abdc7 100644
--- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
@@ -2590,20 +2590,6 @@ static bool is_dp2(u32 clock)
 	return false;
 }
 
-static bool is_hdmi_frl(u32 clock)
-{
-	switch (clock) {
-	case 300000: /* 3 Gbps */
-	case 600000: /* 6 Gbps */
-	case 800000: /* 8 Gbps */
-	case 1000000: /* 10 Gbps */
-	case 1200000: /* 12 Gbps */
-		return true;
-	default:
-		return false;
-	}
-}
-
 static bool intel_c20_protocol_switch_valid(struct intel_encoder *encoder)
 {
 	struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
@@ -2617,7 +2603,7 @@ static int intel_get_c20_custom_width(u32 clock, bool dp)
 {
 	if (dp && is_dp2(clock))
 		return 2;
-	else if (is_hdmi_frl(clock))
+	else if (intel_hdmi_is_frl(clock))
 		return 1;
 	else
 		return 0;
@@ -2706,11 +2692,10 @@ static void intel_c20_pll_program(struct intel_display *display,
 
 	/* 5. For DP or 6. For HDMI */
 	serdes = 0;
-
 	if (is_dp)
 		serdes = PHY_C20_IS_DP |
 			 PHY_C20_DP_RATE(intel_c20_get_dp_rate(port_clock));
-	else if (is_hdmi_frl(port_clock))
+	else if (intel_hdmi_is_frl(port_clock))
 		serdes = PHY_C20_IS_HDMI_FRL;
 
 	intel_cx0_rmw(encoder, owned_lane_mask, PHY_C20_VDR_CUSTOM_SERDES_RATE,
@@ -2777,7 +2762,7 @@ static void intel_program_port_clock_ctl(struct intel_encoder *encoder,
 
 	val |= XELPDP_FORWARD_CLOCK_UNGATE;
 
-	if (!is_dp && is_hdmi_frl(port_clock))
+	if (!is_dp && intel_hdmi_is_frl(port_clock))
 		val |= XELPDP_DDI_CLOCK_SELECT_PREP(display, XELPDP_DDI_CLOCK_SELECT_DIV18CLK);
 	else
 		val |= XELPDP_DDI_CLOCK_SELECT_PREP(display, XELPDP_DDI_CLOCK_SELECT_MAXPCLK);
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
index 4ab7e2e3bfd4..e81c3e5aa250 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -68,6 +68,20 @@
 #include "intel_snps_phy.h"
 #include "intel_vrr.h"
 
+bool intel_hdmi_is_frl(u32 clock)
+{
+	switch (clock) {
+	case 300000: /* 3 Gbps */
+	case 600000: /* 6 Gbps */
+	case 800000: /* 8 Gbps */
+	case 1000000: /* 10 Gbps */
+	case 1200000: /* 12 Gbps */
+		return true;
+	default:
+		return false;
+	}
+}
+
 static void
 assert_hdmi_port_disabled(struct intel_hdmi *intel_hdmi)
 {
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.h b/drivers/gpu/drm/i915/display/intel_hdmi.h
index dec2ad7dd8a2..be2fad57e4ad 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.h
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.h
@@ -60,6 +60,7 @@ int intel_hdmi_dsc_get_num_slices(const struct intel_crtc_state *crtc_state,
 				  int src_max_slices, int src_max_slice_width,
 				  int hdmi_max_slices, int hdmi_throughput);
 int intel_hdmi_dsc_get_slice_height(int vactive);
+bool intel_hdmi_is_frl(u32 clock);
 
 void hsw_write_infoframe(struct intel_encoder *encoder,
 			 const struct intel_crtc_state *crtc_state,
-- 
2.34.1