[PATCH v3 08/19] drm/i915/xe2hpd: update pll values in sync with Bspec

[Radhakrishna Sripada]

From: Ravi Kumar Vodapalli <ravi.kumar.vodapalli at intel.com>

DP/eDP and HDMI pll values are updated for Xe2_HPD platform

v2: Removed the unsupported mtl_c20_dp_uhbr20 from xehpd_c20_dp_tables

Bspec: 74165
Signed-off-by: Ravi Kumar Vodapalli <ravi.kumar.vodapalli at intel.com>
Signed-off-by: Balasubramani Vivekanandan <balasubramani.vivekanandan at intel.com>
Reviewed-by: Matt Roper <matthew.d.roper at intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada at intel.com>
---
 drivers/gpu/drm/i915/display/intel_cx0_phy.c | 46 +++++++++++++++++++-
 1 file changed, 44 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
index d16aab31349f..368daf43382a 100644
--- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
@@ -1087,6 +1087,41 @@ static const struct intel_c20pll_state * const xe2hpd_c20_edp_tables[] = {
 	NULL,
 };
 
+static const struct intel_c20pll_state xe2hpd_c20_dp_uhbr13_5 = {
+	.clock = 1350000, /* 13.5 Gbps */
+	.tx = {	0xbea0, /* tx cfg0 */
+		0x4800, /* tx cfg1 */
+		0x0000, /* tx cfg2 */
+		},
+	.cmn = {0x0500, /* cmn cfg0*/
+		0x0005, /* cmn cfg1 */
+		0x0000, /* cmn cfg2 */
+		0x0000, /* cmn cfg3 */
+		},
+	.mpllb = { 0x015f,	/* mpllb cfg0 */
+		0x2205,		/* mpllb cfg1 */
+		0x1b17,		/* mpllb cfg2 */
+		0xffc1,		/* mpllb cfg3 */
+		0xbd00,		/* mpllb cfg4 */
+		0x9ec3,		/* mpllb cfg5 */
+		0x2000,		/* mpllb cfg6 */
+		0x0001,		/* mpllb cfg7 */
+		0x4800,		/* mpllb cfg8 */
+		0x0000,		/* mpllb cfg9 */
+		0x0000,		/* mpllb cfg10 */
+		},
+};
+
+static const struct intel_c20pll_state * const xe2hpd_c20_dp_tables[] = {
+	&mtl_c20_dp_rbr,
+	&mtl_c20_dp_hbr1,
+	&mtl_c20_dp_hbr2,
+	&mtl_c20_dp_hbr3,
+	&mtl_c20_dp_uhbr10,
+	&xe2hpd_c20_dp_uhbr13_5,
+	NULL,
+};
+
 /*
  * HDMI link rates with 38.4 MHz reference clock.
  */
@@ -2203,13 +2238,20 @@ static const struct intel_c20pll_state * const *
 intel_c20_pll_tables_get(struct intel_crtc_state *crtc_state,
 			 struct intel_encoder *encoder)
 {
-	if (intel_crtc_has_dp_encoder(crtc_state))
+	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
+
+	if (intel_crtc_has_dp_encoder(crtc_state)) {
 		if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP))
 			return xe2hpd_c20_edp_tables;
+
+		if (DISPLAY_VER_FULL(i915) == IP_VER(14, 1))
+			return xe2hpd_c20_dp_tables;
 		else
 			return mtl_c20_dp_tables;
-	else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
+
+	} else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) {
 		return mtl_c20_hdmi_tables;
+	}
 
 	MISSING_CASE(encoder->type);
 	return NULL;
-- 
2.34.1