From dc5742b6197f1cd41302b0cc4d66a830e2b4880a Mon Sep 17 00:00:00 2001
From: Suraj Kandpal <suraj.kandpal@intel.com>
Date: Sat, 1 Nov 2025 08:54:56 +0530
Subject: [PATCH] drm/i915/ltphy: Add LT Phy Programming recipe tables

Add the LT Phy programming recipe tables for eDP, DP & HDMI and a
function to use the correct table.

Bspec: 74667
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Arun R Murthy <arun.r.murthy@intel.com>
Link: https://patch.msgid.link/20251101032513.4171255-9-suraj.kandpal@intel.com
---
 drivers/gpu/drm/i915/display/intel_dpll.c     |  29 +-
 drivers/gpu/drm/i915/display/intel_dpll_mgr.h |  11 +
 drivers/gpu/drm/i915/display/intel_lt_phy.c   | 992 ++++++++++++++++++
 drivers/gpu/drm/i915/display/intel_lt_phy.h   |   5 +
 4 files changed, 1036 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dpll.c b/drivers/gpu/drm/i915/display/intel_dpll.c
index f969c5399a511..8c3ef5867a12d 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll.c
+++ b/drivers/gpu/drm/i915/display/intel_dpll.c
@@ -17,6 +17,7 @@
 #include "intel_display_types.h"
 #include "intel_dpio_phy.h"
 #include "intel_dpll.h"
+#include "intel_lt_phy.h"
 #include "intel_lvds.h"
 #include "intel_lvds_regs.h"
 #include "intel_panel.h"
@@ -1232,6 +1233,26 @@ static int mtl_crtc_compute_clock(struct intel_atomic_state *state,
 	return 0;
 }
 
+static int xe3plpd_crtc_compute_clock(struct intel_atomic_state *state,
+				      struct intel_crtc *crtc)
+{
+	struct intel_crtc_state *crtc_state =
+		intel_atomic_get_new_crtc_state(state, crtc);
+	struct intel_encoder *encoder =
+		intel_get_crtc_new_encoder(state, crtc_state);
+	int ret;
+
+	ret = intel_lt_phy_pll_calc_state(crtc_state, encoder);
+	if (ret)
+		return ret;
+
+	/* TODO: Do the readback via intel_compute_shared_dplls() */
+
+	crtc_state->hw.adjusted_mode.crtc_clock = intel_crtc_dotclock(crtc_state);
+
+	return 0;
+}
+
 static int ilk_fb_cb_factor(const struct intel_crtc_state *crtc_state)
 {
 	struct intel_display *display = to_intel_display(crtc_state);
@@ -1691,6 +1712,10 @@ static int i8xx_crtc_compute_clock(struct intel_atomic_state *state,
 	return 0;
 }
 
+static const struct intel_dpll_global_funcs xe3plpd_dpll_funcs = {
+	.crtc_compute_clock = xe3plpd_crtc_compute_clock,
+};
+
 static const struct intel_dpll_global_funcs mtl_dpll_funcs = {
 	.crtc_compute_clock = mtl_crtc_compute_clock,
 };
@@ -1789,7 +1814,9 @@ int intel_dpll_crtc_get_dpll(struct intel_atomic_state *state,
 void
 intel_dpll_init_clock_hook(struct intel_display *display)
 {
-	if (DISPLAY_VER(display) >= 14)
+	if (HAS_LT_PHY(display))
+		display->funcs.dpll = &xe3plpd_dpll_funcs;
+	else if (DISPLAY_VER(display) >= 14)
 		display->funcs.dpll = &mtl_dpll_funcs;
 	else if (display->platform.dg2)
 		display->funcs.dpll = &dg2_dpll_funcs;
diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.h b/drivers/gpu/drm/i915/display/intel_dpll_mgr.h
index f131bdd1c975d..6183da90b28d3 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.h
+++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.h
@@ -267,6 +267,16 @@ struct intel_cx0pll_state {
 	bool tbt_mode;
 };
 
+struct intel_lt_phy_pll_state {
+	u32 clock; /* in kHz */
+	u8 addr_msb[13];
+	u8 addr_lsb[13];
+	u8 data[13][4];
+	u8 config[3];
+	bool ssc_enabled;
+	bool tbt_mode;
+};
+
 struct intel_dpll_hw_state {
 	union {
 		struct i9xx_dpll_hw_state i9xx;
@@ -276,6 +286,7 @@ struct intel_dpll_hw_state {
 		struct icl_dpll_hw_state icl;
 		struct intel_mpllb_state mpllb;
 		struct intel_cx0pll_state cx0pll;
+		struct intel_lt_phy_pll_state ltpll;
 	};
 };
 
diff --git a/drivers/gpu/drm/i915/display/intel_lt_phy.c b/drivers/gpu/drm/i915/display/intel_lt_phy.c
index 768b14a9914a7..22686da809d0d 100644
--- a/drivers/gpu/drm/i915/display/intel_lt_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_lt_phy.c
@@ -12,6 +12,7 @@
 #include "intel_de.h"
 #include "intel_display.h"
 #include "intel_display_types.h"
+#include "intel_dpll_mgr.h"
 #include "intel_hdmi.h"
 #include "intel_lt_phy.h"
 #include "intel_lt_phy_regs.h"
@@ -24,6 +25,957 @@
 					 INTEL_LT_PHY_LANE0)
 #define MODE_DP				3
 
+static const struct intel_lt_phy_pll_state xe3plpd_lt_dp_rbr = {
+	.clock = 162000,
+	.config = {
+		0x83,
+		0x2d,
+		0x0,
+	},
+	.addr_msb = {
+		0x87,
+		0x87,
+		0x87,
+		0x87,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+	},
+	.addr_lsb = {
+		0x10,
+		0x0c,
+		0x14,
+		0xe4,
+		0x0c,
+		0x10,
+		0x14,
+		0x18,
+		0x48,
+		0x40,
+		0x4c,
+		0x24,
+		0x44,
+	},
+	.data = {
+		{ 0x0,  0x4c, 0x2,  0x0  },
+		{ 0x5,  0xa,  0x2a, 0x20 },
+		{ 0x80, 0x0,  0x0,  0x0  },
+		{ 0x4,  0x4,  0x82, 0x28 },
+		{ 0xfa, 0x16, 0x83, 0x11 },
+		{ 0x80, 0x0f, 0xf9, 0x53 },
+		{ 0x84, 0x26, 0x5,  0x4  },
+		{ 0x0,  0xe0, 0x1,  0x0  },
+		{ 0x4b, 0x48, 0x0,  0x0  },
+		{ 0x27, 0x8,  0x0,  0x0  },
+		{ 0x5a, 0x13, 0x29, 0x13 },
+		{ 0x0,  0x5b, 0xe0, 0x0a },
+		{ 0x0,  0x0,  0x0,  0x0  },
+	},
+};
+
+static const struct intel_lt_phy_pll_state xe3plpd_lt_dp_hbr1 = {
+	.clock = 270000,
+	.config = {
+		0x8b,
+		0x2d,
+		0x0,
+	},
+	.addr_msb = {
+		0x87,
+		0x87,
+		0x87,
+		0x87,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+	},
+	.addr_lsb = {
+		0x10,
+		0x0c,
+		0x14,
+		0xe4,
+		0x0c,
+		0x10,
+		0x14,
+		0x18,
+		0x48,
+		0x40,
+		0x4c,
+		0x24,
+		0x44,
+	},
+	.data = {
+		{ 0x0,  0x4c, 0x2,  0x0  },
+		{ 0x3,  0xca, 0x34, 0xa0 },
+		{ 0xe0, 0x0,  0x0,  0x0  },
+		{ 0x5,  0x4,  0x81, 0xad },
+		{ 0xfa, 0x11, 0x83, 0x11 },
+		{ 0x80, 0x0f, 0xf9, 0x53 },
+		{ 0x84, 0x26, 0x7,  0x4  },
+		{ 0x0,  0xe0, 0x1,  0x0  },
+		{ 0x43, 0x48, 0x0,  0x0  },
+		{ 0x27, 0x8,  0x0,  0x0  },
+		{ 0x5a, 0x13, 0x29, 0x13 },
+		{ 0x0,  0x5b, 0xe0, 0x0d },
+		{ 0x0,  0x0,  0x0,  0x0  },
+	},
+};
+
+static const struct intel_lt_phy_pll_state xe3plpd_lt_dp_hbr2 = {
+	.clock = 540000,
+	.config = {
+		0x93,
+		0x2d,
+		0x0,
+	},
+	.addr_msb = {
+		0x87,
+		0x87,
+		0x87,
+		0x87,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+	},
+	.addr_lsb = {
+		0x10,
+		0x0c,
+		0x14,
+		0xe4,
+		0x0c,
+		0x10,
+		0x14,
+		0x18,
+		0x48,
+		0x40,
+		0x4c,
+		0x24,
+		0x44,
+	},
+	.data = {
+		{ 0x0,  0x4c, 0x2,  0x0  },
+		{ 0x1,  0x4d, 0x34, 0xa0 },
+		{ 0xe0, 0x0,  0x0,  0x0  },
+		{ 0xa,  0x4,  0x81, 0xda },
+		{ 0xfa, 0x11, 0x83, 0x11 },
+		{ 0x80, 0x0f, 0xf9, 0x53 },
+		{ 0x84, 0x26, 0x7,  0x4  },
+		{ 0x0,  0xe0, 0x1,  0x0  },
+		{ 0x43, 0x48, 0x0,  0x0  },
+		{ 0x27, 0x8,  0x0,  0x0  },
+		{ 0x5a, 0x13, 0x29, 0x13 },
+		{ 0x0,  0x5b, 0xe0, 0x0d },
+		{ 0x0,  0x0,  0x0,  0x0  },
+	},
+};
+
+static const struct intel_lt_phy_pll_state xe3plpd_lt_dp_hbr3 = {
+	.clock = 810000,
+	.config = {
+		0x9b,
+		0x2d,
+		0x0,
+	},
+	.addr_msb = {
+		0x87,
+		0x87,
+		0x87,
+		0x87,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+	},
+	.addr_lsb = {
+		0x10,
+		0x0c,
+		0x14,
+		0xe4,
+		0x0c,
+		0x10,
+		0x14,
+		0x18,
+		0x48,
+		0x40,
+		0x4c,
+		0x24,
+		0x44,
+	},
+	.data = {
+		{ 0x0,  0x4c, 0x2,  0x0  },
+		{ 0x1,  0x4a, 0x34, 0xa0 },
+		{ 0xe0, 0x0,  0x0,  0x0  },
+		{ 0x5,  0x4,  0x80, 0xa8 },
+		{ 0xfa, 0x11, 0x83, 0x11 },
+		{ 0x80, 0x0f, 0xf9, 0x53 },
+		{ 0x84, 0x26, 0x7,  0x4  },
+		{ 0x0,  0xe0, 0x1,  0x0  },
+		{ 0x43, 0x48, 0x0,  0x0  },
+		{ 0x27, 0x8,  0x0,  0x0  },
+		{ 0x5a, 0x13, 0x29, 0x13 },
+		{ 0x0,  0x5b, 0xe0, 0x0d },
+		{ 0x0,  0x0,  0x0,  0x0  },
+	},
+};
+
+static const struct intel_lt_phy_pll_state xe3plpd_lt_dp_uhbr10 = {
+	.clock = 1000000,
+	.config = {
+		0x43,
+		0x2d,
+		0x0,
+	},
+	.addr_msb = {
+		0x85,
+		0x85,
+		0x85,
+		0x85,
+		0x86,
+		0x86,
+		0x86,
+		0x86,
+		0x86,
+		0x86,
+		0x86,
+		0x86,
+		0x86,
+	},
+	.addr_lsb = {
+		0x10,
+		0x0c,
+		0x14,
+		0xe4,
+		0x0c,
+		0x10,
+		0x14,
+		0x18,
+		0x48,
+		0x40,
+		0x4c,
+		0x24,
+		0x44,
+	},
+	.data = {
+		{ 0x0,  0x4c, 0x2,  0x0  },
+		{ 0x1,  0xa,  0x20, 0x80 },
+		{ 0x6a, 0xaa, 0xaa, 0xab },
+		{ 0x0,  0x3,  0x4,  0x94 },
+		{ 0xfa, 0x1c, 0x83, 0x11 },
+		{ 0x80, 0x0f, 0xf9, 0x53 },
+		{ 0x84, 0x26, 0x4,  0x4  },
+		{ 0x0,  0xe0, 0x1,  0x0  },
+		{ 0x45, 0x48, 0x0,  0x0  },
+		{ 0x27, 0x8,  0x0,  0x0  },
+		{ 0x5a, 0x14, 0x2a, 0x14 },
+		{ 0x0,  0x5b, 0xe0, 0x8  },
+		{ 0x0,  0x0,  0x0,  0x0  },
+	},
+};
+
+static const struct intel_lt_phy_pll_state xe3plpd_lt_dp_uhbr13_5 = {
+	.clock = 1350000,
+	.config = {
+		0xcb,
+		0x2d,
+		0x0,
+	},
+	.addr_msb = {
+		0x87,
+		0x87,
+		0x87,
+		0x87,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+	},
+	.addr_lsb = {
+		0x10,
+		0x0c,
+		0x14,
+		0xe4,
+		0x0c,
+		0x10,
+		0x14,
+		0x18,
+		0x48,
+		0x40,
+		0x4c,
+		0x24,
+		0x44,
+	},
+	.data = {
+		{ 0x0,  0x4c, 0x2,  0x0  },
+		{ 0x2,  0x9,  0x2b, 0xe0 },
+		{ 0x90, 0x0,  0x0,  0x0  },
+		{ 0x8,  0x4,  0x80, 0xe0 },
+		{ 0xfa, 0x15, 0x83, 0x11 },
+		{ 0x80, 0x0f, 0xf9, 0x53 },
+		{ 0x84, 0x26, 0x6,  0x4  },
+		{ 0x0,  0xe0, 0x1,  0x0  },
+		{ 0x49, 0x48, 0x0,  0x0  },
+		{ 0x27, 0x8,  0x0,  0x0  },
+		{ 0x5a, 0x13, 0x29, 0x13 },
+		{ 0x0,  0x57, 0xe0, 0x0c },
+		{ 0x0,  0x0,  0x0,  0x0  },
+	},
+};
+
+static const struct intel_lt_phy_pll_state xe3plpd_lt_dp_uhbr20 = {
+	.clock = 2000000,
+	.config = {
+		0x53,
+		0x2d,
+		0x0,
+	},
+	.addr_msb = {
+		0x85,
+		0x85,
+		0x85,
+		0x85,
+		0x86,
+		0x86,
+		0x86,
+		0x86,
+		0x86,
+		0x86,
+		0x86,
+		0x86,
+		0x86,
+	},
+	.addr_lsb = {
+		0x10,
+		0x0c,
+		0x14,
+		0xe4,
+		0x0c,
+		0x10,
+		0x14,
+		0x18,
+		0x48,
+		0x40,
+		0x4c,
+		0x24,
+		0x44,
+	},
+	.data = {
+		{ 0x0,  0x4c, 0x2,  0x0  },
+		{ 0x1,  0xa,  0x20, 0x80 },
+		{ 0x6a, 0xaa, 0xaa, 0xab },
+		{ 0x0,  0x3,  0x4,  0x94 },
+		{ 0xfa, 0x1c, 0x83, 0x11 },
+		{ 0x80, 0x0f, 0xf9, 0x53 },
+		{ 0x84, 0x26, 0x4,  0x4  },
+		{ 0x0,  0xe0, 0x1,  0x0  },
+		{ 0x45, 0x48, 0x0,  0x0  },
+		{ 0x27, 0x8,  0x0,  0x0  },
+		{ 0x5a, 0x14, 0x2a, 0x14 },
+		{ 0x0,  0x5b, 0xe0, 0x8  },
+		{ 0x0,  0x0,  0x0,  0x0  },
+	},
+};
+
+static const struct intel_lt_phy_pll_state * const xe3plpd_lt_dp_tables[] = {
+	&xe3plpd_lt_dp_rbr,
+	&xe3plpd_lt_dp_hbr1,
+	&xe3plpd_lt_dp_hbr2,
+	&xe3plpd_lt_dp_hbr3,
+	&xe3plpd_lt_dp_uhbr10,
+	&xe3plpd_lt_dp_uhbr13_5,
+	&xe3plpd_lt_dp_uhbr20,
+	NULL,
+};
+
+static const struct intel_lt_phy_pll_state xe3plpd_lt_edp_2_16 = {
+	.clock = 216000,
+	.config = {
+		0xa3,
+		0x2d,
+		0x1,
+	},
+	.addr_msb = {
+		0x87,
+		0x87,
+		0x87,
+		0x87,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+	},
+	.addr_lsb = {
+		0x10,
+		0x0c,
+		0x14,
+		0xe4,
+		0x0c,
+		0x10,
+		0x14,
+		0x18,
+		0x48,
+		0x40,
+		0x4c,
+		0x24,
+		0x44,
+	},
+	.data = {
+		{ 0x0,  0x4c, 0x2,  0x0  },
+		{ 0x3,  0xca, 0x2a, 0x20 },
+		{ 0x80, 0x0,  0x0,  0x0  },
+		{ 0x6,  0x4,  0x81, 0xbc },
+		{ 0xfa, 0x16, 0x83, 0x11 },
+		{ 0x80, 0x0f, 0xf9, 0x53 },
+		{ 0x84, 0x26, 0x5,  0x4  },
+		{ 0x0,  0xe0, 0x1,  0x0  },
+		{ 0x4b, 0x48, 0x0,  0x0  },
+		{ 0x27, 0x8,  0x0,  0x0  },
+		{ 0x5a, 0x13, 0x29, 0x13 },
+		{ 0x0,  0x5b, 0xe0, 0x0a },
+		{ 0x0,  0x0,  0x0,  0x0  },
+	},
+};
+
+static const struct intel_lt_phy_pll_state xe3plpd_lt_edp_2_43 = {
+	.clock = 243000,
+	.config = {
+		0xab,
+		0x2d,
+		0x1,
+	},
+	.addr_msb = {
+		0x87,
+		0x87,
+		0x87,
+		0x87,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+	},
+	.addr_lsb = {
+		0x10,
+		0x0c,
+		0x14,
+		0xe4,
+		0x0c,
+		0x10,
+		0x14,
+		0x18,
+		0x48,
+		0x40,
+		0x4c,
+		0x24,
+		0x44,
+	},
+	.data = {
+		{ 0x0,  0x4c, 0x2,  0x0  },
+		{ 0x3,  0xca, 0x2f, 0x60 },
+		{ 0xb0, 0x0,  0x0,  0x0  },
+		{ 0x6,  0x4,  0x81, 0xbc },
+		{ 0xfa, 0x13, 0x83, 0x11 },
+		{ 0x80, 0x0f, 0xf9, 0x53 },
+		{ 0x84, 0x26, 0x6,  0x4  },
+		{ 0x0,  0xe0, 0x1,  0x0  },
+		{ 0x47, 0x48, 0x0,  0x0  },
+		{ 0x0,  0x0,  0x0,  0x0  },
+		{ 0x5a, 0x13, 0x29, 0x13 },
+		{ 0x0,  0x5b, 0xe0, 0x0c },
+		{ 0x0,  0x0,  0x0,  0x0  },
+	},
+};
+
+static const struct intel_lt_phy_pll_state xe3plpd_lt_edp_3_24 = {
+	.clock = 324000,
+	.config = {
+		0xb3,
+		0x2d,
+		0x1,
+	},
+	.addr_msb = {
+		0x87,
+		0x87,
+		0x87,
+		0x87,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+	},
+	.addr_lsb = {
+		0x10,
+		0x0c,
+		0x14,
+		0xe4,
+		0x0c,
+		0x10,
+		0x14,
+		0x18,
+		0x48,
+		0x40,
+		0x4c,
+		0x24,
+		0x44,
+	},
+	.data = {
+		{ 0x0,  0x4c, 0x2,  0x0  },
+		{ 0x2,  0x8a, 0x2a, 0x20 },
+		{ 0x80, 0x0,  0x0,  0x0  },
+		{ 0x6,  0x4,  0x81, 0x28 },
+		{ 0xfa, 0x16, 0x83, 0x11 },
+		{ 0x80, 0x0f, 0xf9, 0x53 },
+		{ 0x84, 0x26, 0x5,  0x4  },
+		{ 0x0,  0xe0, 0x1,  0x0  },
+		{ 0x4b, 0x48, 0x0,  0x0  },
+		{ 0x27, 0x8,  0x0,  0x0  },
+		{ 0x5a, 0x13, 0x29, 0x13 },
+		{ 0x0,  0x5b, 0xe0, 0x0a },
+		{ 0x0,  0x0,  0x0,  0x0  },
+	},
+};
+
+static const struct intel_lt_phy_pll_state xe3plpd_lt_edp_4_32 = {
+	.clock = 432000,
+	.config = {
+		0xbb,
+		0x2d,
+		0x1,
+	},
+	.addr_msb = {
+		0x87,
+		0x87,
+		0x87,
+		0x87,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+	},
+	.addr_lsb = {
+		0x10,
+		0x0c,
+		0x14,
+		0xe4,
+		0x0c,
+		0x10,
+		0x14,
+		0x18,
+		0x48,
+		0x40,
+		0x4c,
+		0x24,
+		0x44,
+	},
+	.data = {
+		{ 0x0,  0x4c, 0x2,  0x0  },
+		{ 0x1,  0x4d, 0x2a, 0x20 },
+		{ 0x80, 0x0,  0x0,  0x0  },
+		{ 0xc,  0x4,  0x81, 0xbc },
+		{ 0xfa, 0x16, 0x83, 0x11 },
+		{ 0x80, 0x0f, 0xf9, 0x53 },
+		{ 0x84, 0x26, 0x5,  0x4  },
+		{ 0x0,  0xe0, 0x1,  0x0  },
+		{ 0x4b, 0x48, 0x0,  0x0  },
+		{ 0x27, 0x8,  0x0,  0x0  },
+		{ 0x5a, 0x13, 0x29, 0x13 },
+		{ 0x0,  0x5b, 0xe0, 0x0a },
+		{ 0x0,  0x0,  0x0,  0x0  },
+	},
+};
+
+static const struct intel_lt_phy_pll_state xe3plpd_lt_edp_6_75 = {
+	.clock = 675000,
+	.config = {
+		0xdb,
+		0x2d,
+		0x1,
+	},
+	.addr_msb = {
+		0x87,
+		0x87,
+		0x87,
+		0x87,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+	},
+	.addr_lsb = {
+		0x10,
+		0x0c,
+		0x14,
+		0xe4,
+		0x0c,
+		0x10,
+		0x14,
+		0x18,
+		0x48,
+		0x40,
+		0x4c,
+		0x24,
+		0x44,
+	},
+	.data = {
+		{ 0x0,  0x4c, 0x2,  0x0  },
+		{ 0x1,  0x4a, 0x2b, 0xe0 },
+		{ 0x90, 0x0,  0x0,  0x0  },
+		{ 0x6,  0x4,  0x80, 0xa8 },
+		{ 0xfa, 0x15, 0x83, 0x11 },
+		{ 0x80, 0x0f, 0xf9, 0x53 },
+		{ 0x84, 0x26, 0x6,  0x4  },
+		{ 0x0,  0xe0, 0x1,  0x0  },
+		{ 0x49, 0x48, 0x0,  0x0  },
+		{ 0x27, 0x8,  0x0,  0x0  },
+		{ 0x5a, 0x13, 0x29, 0x13 },
+		{ 0x0,  0x57, 0xe0, 0x0c },
+		{ 0x0,  0x0,  0x0,  0x0  },
+	},
+};
+
+static const struct intel_lt_phy_pll_state * const xe3plpd_lt_edp_tables[] = {
+	&xe3plpd_lt_dp_rbr,
+	&xe3plpd_lt_edp_2_16,
+	&xe3plpd_lt_edp_2_43,
+	&xe3plpd_lt_dp_hbr1,
+	&xe3plpd_lt_edp_3_24,
+	&xe3plpd_lt_edp_4_32,
+	&xe3plpd_lt_dp_hbr2,
+	&xe3plpd_lt_edp_6_75,
+	&xe3plpd_lt_dp_hbr3,
+	NULL,
+};
+
+static const struct intel_lt_phy_pll_state xe3plpd_lt_hdmi_252 = {
+	.clock = 25200,
+	.config = {
+		0x84,
+		0x2d,
+		0x0,
+	},
+	.addr_msb = {
+		0x87,
+		0x87,
+		0x87,
+		0x87,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+	},
+	.addr_lsb = {
+		0x10,
+		0x0c,
+		0x14,
+		0xe4,
+		0x0c,
+		0x10,
+		0x14,
+		0x18,
+		0x48,
+		0x40,
+		0x4c,
+		0x24,
+		0x44,
+	},
+	.data = {
+		{ 0x0,  0x4c, 0x2,  0x0  },
+		{ 0x0c, 0x15, 0x27, 0x60 },
+		{ 0x0,  0x0,  0x0,  0x0  },
+		{ 0x8,  0x4,  0x98, 0x28 },
+		{ 0x42, 0x0,  0x84, 0x10 },
+		{ 0x80, 0x0f, 0xd9, 0xb5 },
+		{ 0x86, 0x0,  0x0,  0x0  },
+		{ 0x1,  0xa0, 0x1,  0x0  },
+		{ 0x4b, 0x0,  0x0,  0x0  },
+		{ 0x28, 0x0,  0x0,  0x0  },
+		{ 0x0,  0x14, 0x2a, 0x14 },
+		{ 0x0,  0x0,  0x0,  0x0  },
+		{ 0x0,  0x0,  0x0,  0x0  },
+	},
+};
+
+static const struct intel_lt_phy_pll_state xe3plpd_lt_hdmi_272 = {
+	.clock = 27200,
+	.config = {
+		0x84,
+		0x2d,
+		0x0,
+	},
+	.addr_msb = {
+		0x87,
+		0x87,
+		0x87,
+		0x87,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+	},
+	.addr_lsb = {
+		0x10,
+		0x0c,
+		0x14,
+		0xe4,
+		0x0c,
+		0x10,
+		0x14,
+		0x18,
+		0x48,
+		0x40,
+		0x4c,
+		0x24,
+		0x44,
+	},
+	.data = {
+		{ 0x0,  0x4c, 0x2,  0x0  },
+		{ 0x0b, 0x15, 0x26, 0xa0 },
+		{ 0x60, 0x0,  0x0,  0x0  },
+		{ 0x8,  0x4,  0x96, 0x28 },
+		{ 0xfa, 0x0c, 0x84, 0x11 },
+		{ 0x80, 0x0f, 0xd9, 0x53 },
+		{ 0x86, 0x0,  0x0,  0x0  },
+		{ 0x1,  0xa0, 0x1,  0x0  },
+		{ 0x4b, 0x0,  0x0,  0x0  },
+		{ 0x28, 0x0,  0x0,  0x0  },
+		{ 0x0,  0x14, 0x2a, 0x14 },
+		{ 0x0,  0x0,  0x0,  0x0  },
+		{ 0x0,  0x0,  0x0,  0x0  },
+	},
+};
+
+static const struct intel_lt_phy_pll_state xe3plpd_lt_hdmi_742p5 = {
+	.clock = 74250,
+	.config = {
+		0x84,
+		0x2d,
+		0x0,
+	},
+	.addr_msb = {
+		0x87,
+		0x87,
+		0x87,
+		0x87,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+	},
+	.addr_lsb = {
+		0x10,
+		0x0c,
+		0x14,
+		0xe4,
+		0x0c,
+		0x10,
+		0x14,
+		0x18,
+		0x48,
+		0x40,
+		0x4c,
+		0x24,
+		0x44,
+	},
+	.data = {
+		{ 0x0,  0x4c, 0x2,  0x0  },
+		{ 0x4,  0x15, 0x26, 0xa0 },
+		{ 0x60, 0x0,  0x0,  0x0  },
+		{ 0x8,  0x4,  0x88, 0x28 },
+		{ 0xfa, 0x0c, 0x84, 0x11 },
+		{ 0x80, 0x0f, 0xd9, 0x53 },
+		{ 0x86, 0x0,  0x0,  0x0  },
+		{ 0x1,  0xa0, 0x1,  0x0  },
+		{ 0x4b, 0x0,  0x0,  0x0  },
+		{ 0x28, 0x0,  0x0,  0x0  },
+		{ 0x0,  0x14, 0x2a, 0x14 },
+		{ 0x0,  0x0,  0x0,  0x0  },
+		{ 0x0,  0x0,  0x0,  0x0  },
+	},
+};
+
+static const struct intel_lt_phy_pll_state xe3plpd_lt_hdmi_1p485 = {
+	.clock = 148500,
+	.config = {
+		0x84,
+		0x2d,
+		0x0,
+	},
+	.addr_msb = {
+		0x87,
+		0x87,
+		0x87,
+		0x87,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+	},
+	.addr_lsb = {
+		0x10,
+		0x0c,
+		0x14,
+		0xe4,
+		0x0c,
+		0x10,
+		0x14,
+		0x18,
+		0x48,
+		0x40,
+		0x4c,
+		0x24,
+		0x44,
+	},
+	.data = {
+		{ 0x0,  0x4c, 0x2,  0x0  },
+		{ 0x2,  0x15, 0x26, 0xa0 },
+		{ 0x60, 0x0,  0x0,  0x0  },
+		{ 0x8,  0x4,  0x84, 0x28 },
+		{ 0xfa, 0x0c, 0x84, 0x11 },
+		{ 0x80, 0x0f, 0xd9, 0x53 },
+		{ 0x86, 0x0,  0x0,  0x0  },
+		{ 0x1,  0xa0, 0x1,  0x0  },
+		{ 0x4b, 0x0,  0x0,  0x0  },
+		{ 0x28, 0x0,  0x0,  0x0  },
+		{ 0x0,  0x14, 0x2a, 0x14 },
+		{ 0x0,  0x0,  0x0,  0x0  },
+		{ 0x0,  0x0,  0x0,  0x0  },
+	},
+};
+
+static const struct intel_lt_phy_pll_state xe3plpd_lt_hdmi_5p94 = {
+	.clock = 594000,
+	.config = {
+		0x84,
+		0x2d,
+		0x0,
+	},
+	.addr_msb = {
+		0x87,
+		0x87,
+		0x87,
+		0x87,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+		0x88,
+	},
+	.addr_lsb = {
+		0x10,
+		0x0c,
+		0x14,
+		0xe4,
+		0x0c,
+		0x10,
+		0x14,
+		0x18,
+		0x48,
+		0x40,
+		0x4c,
+		0x24,
+		0x44,
+	},
+	.data = {
+		{ 0x0,  0x4c, 0x2,  0x0  },
+		{ 0x0,  0x95, 0x26, 0xa0 },
+		{ 0x60, 0x0,  0x0,  0x0  },
+		{ 0x8,  0x4,  0x81, 0x28 },
+		{ 0xfa, 0x0c, 0x84, 0x11 },
+		{ 0x80, 0x0f, 0xd9, 0x53 },
+		{ 0x86, 0x0,  0x0,  0x0  },
+		{ 0x1,  0xa0, 0x1,  0x0  },
+		{ 0x4b, 0x0,  0x0,  0x0  },
+		{ 0x28, 0x0,  0x0,  0x0  },
+		{ 0x0,  0x14, 0x2a, 0x14 },
+		{ 0x0,  0x0,  0x0,  0x0  },
+		{ 0x0,  0x0,  0x0,  0x0  },
+	},
+};
+
+static const struct intel_lt_phy_pll_state * const xe3plpd_lt_hdmi_tables[] = {
+	&xe3plpd_lt_hdmi_252,
+	&xe3plpd_lt_hdmi_272,
+	&xe3plpd_lt_hdmi_742p5,
+	&xe3plpd_lt_hdmi_1p485,
+	&xe3plpd_lt_hdmi_5p94,
+	NULL,
+};
+
 static u8 intel_lt_phy_get_owned_lane_mask(struct intel_encoder *encoder)
 {
 	struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
@@ -236,6 +1188,46 @@ static void intel_lt_phy_transaction_end(struct intel_encoder *encoder, intel_wa
 	intel_display_power_put(display, POWER_DOMAIN_DC_OFF, wakeref);
 }
 
+static const struct intel_lt_phy_pll_state * const *
+intel_lt_phy_pll_tables_get(struct intel_crtc_state *crtc_state,
+			    struct intel_encoder *encoder)
+{
+	if (intel_crtc_has_dp_encoder(crtc_state)) {
+		if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP))
+			return xe3plpd_lt_edp_tables;
+
+		return xe3plpd_lt_dp_tables;
+	} else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) {
+		return xe3plpd_lt_hdmi_tables;
+	}
+
+	MISSING_CASE(encoder->type);
+	return NULL;
+}
+
+int
+intel_lt_phy_pll_calc_state(struct intel_crtc_state *crtc_state,
+			    struct intel_encoder *encoder)
+{
+	const struct intel_lt_phy_pll_state * const *tables;
+	int i;
+
+	tables = intel_lt_phy_pll_tables_get(crtc_state, encoder);
+	if (!tables)
+		return -EINVAL;
+
+	for (i = 0; tables[i]; i++) {
+		if (crtc_state->port_clock == tables[i]->clock) {
+			crtc_state->dpll_hw_state.ltpll = *tables[i];
+			return 0;
+		}
+	}
+
+	/* TODO: Add a function to compute the data for HDMI TMDS*/
+
+	return -EINVAL;
+}
+
 void intel_lt_phy_pll_enable(struct intel_encoder *encoder,
 			     const struct intel_crtc_state *crtc_state)
 {
diff --git a/drivers/gpu/drm/i915/display/intel_lt_phy.h b/drivers/gpu/drm/i915/display/intel_lt_phy.h
index bd3ff3007e1d5..3f255c9b0f963 100644
--- a/drivers/gpu/drm/i915/display/intel_lt_phy.h
+++ b/drivers/gpu/drm/i915/display/intel_lt_phy.h
@@ -13,5 +13,10 @@ struct intel_crtc_state;
 
 void intel_lt_phy_pll_enable(struct intel_encoder *encoder,
 			     const struct intel_crtc_state *crtc_state);
+int
+intel_lt_phy_pll_calc_state(struct intel_crtc_state *crtc_state,
+			    struct intel_encoder *encoder);
+
+#define HAS_LT_PHY(display) (DISPLAY_VER(display) >= 35)
 
 #endif /* __INTEL_LT_PHY_H__ */
-- 
2.47.3