1 files changed, 127 insertions, 31 deletions

diff --git a/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c b/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c
index 4d21ce734343..395dba8c9e4d 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c
@@ -3,13 +3,14 @@
  * Copyright © 2020 Intel Corporation
  */
 
-#include "i915_drv.h"
+#include "intel_cx0_phy.h"
 #include "intel_ddi.h"
 #include "intel_ddi_buf_trans.h"
 #include "intel_de.h"
 #include "intel_display_types.h"
+#include "intel_display_utils.h"
 #include "intel_dp.h"
-#include "intel_cx0_phy.h"
+#include "intel_lt_phy.h"
 
 /* HDMI/DVI modes ignore everything but the last 2 items. So we share
  * them for both DP and FDI transports, allowing those ports to
@@ -1115,6 +1116,69 @@ static const struct intel_ddi_buf_trans mtl_c20_trans_uhbr = {
 	.num_entries = ARRAY_SIZE(_mtl_c20_trans_uhbr),
 };
 
+/* DP1.4 */
+static const union intel_ddi_buf_trans_entry _xe3plpd_lt_trans_dp14[] = {
+	{ .lt = { 1, 0, 0, 21, 0  } },
+	{ .lt = { 1, 1, 0, 24, 3  } },
+	{ .lt = { 1, 2, 0, 28, 7  } },
+	{ .lt = { 0, 3, 0, 35, 13 } },
+	{ .lt = { 1, 1, 0, 27, 0  } },
+	{ .lt = { 1, 2, 0, 31, 4  } },
+	{ .lt = { 0, 3, 0, 39, 9  } },
+	{ .lt = { 1, 2, 0, 35, 0  } },
+	{ .lt = { 0, 3, 0, 41, 7  } },
+	{ .lt = { 0, 3, 0, 48, 0  } },
+};
+
+/* DP2.1 */
+static const union intel_ddi_buf_trans_entry _xe3plpd_lt_trans_uhbr[] = {
+	{ .lt = { 0, 0, 0, 48, 0  } },
+	{ .lt = { 0, 0, 0, 43, 5  } },
+	{ .lt = { 0, 0, 0, 40, 8  } },
+	{ .lt = { 0, 0, 0, 37, 11 } },
+	{ .lt = { 0, 0, 0, 33, 15 } },
+	{ .lt = { 0, 0, 2, 46, 0  } },
+	{ .lt = { 0, 0, 2, 42, 4  } },
+	{ .lt = { 0, 0, 2, 38, 8  } },
+	{ .lt = { 0, 0, 2, 35, 11 } },
+	{ .lt = { 0, 0, 2, 33, 13 } },
+	{ .lt = { 0, 0, 4, 44, 0  } },
+	{ .lt = { 0, 0, 4, 40, 4  } },
+	{ .lt = { 0, 0, 4, 37, 7  } },
+	{ .lt = { 0, 0, 4, 33, 11 } },
+	{ .lt = { 0, 0, 8, 40, 0  } },
+	{ .lt = { 1, 0, 2, 26, 2  } },
+};
+
+/* eDp */
+static const union intel_ddi_buf_trans_entry _xe3plpd_lt_trans_edp[] = {
+	{ .lt = { 1, 0, 0, 12, 0 } },
+	{ .lt = { 1, 1, 0, 13, 1 } },
+	{ .lt = { 1, 2, 0, 15, 3 } },
+	{ .lt = { 1, 3, 0, 19, 7 } },
+	{ .lt = { 1, 1, 0, 14, 0 } },
+	{ .lt = { 1, 2, 0, 16, 2 } },
+	{ .lt = { 1, 3, 0, 21, 5 } },
+	{ .lt = { 1, 2, 0, 18, 0 } },
+	{ .lt = { 1, 3, 0, 22, 4 } },
+	{ .lt = { 1, 3, 0, 26, 0 } },
+};
+
+static const struct intel_ddi_buf_trans xe3plpd_lt_trans_dp14 = {
+	.entries = _xe3plpd_lt_trans_dp14,
+	.num_entries = ARRAY_SIZE(_xe3plpd_lt_trans_dp14),
+};
+
+static const struct intel_ddi_buf_trans xe3plpd_lt_trans_uhbr = {
+	.entries = _xe3plpd_lt_trans_uhbr,
+	.num_entries = ARRAY_SIZE(_xe3plpd_lt_trans_uhbr),
+};
+
+static const struct intel_ddi_buf_trans xe3plpd_lt_trans_edp = {
+	.entries = _xe3plpd_lt_trans_edp,
+	.num_entries = ARRAY_SIZE(_xe3plpd_lt_trans_edp),
+};
+
 bool is_hobl_buf_trans(const struct intel_ddi_buf_trans *table)
 {
 	return table == &tgl_combo_phy_trans_edp_hbr2_hobl;
@@ -1407,10 +1471,10 @@ tgl_get_combo_buf_trans_dp(struct intel_encoder *encoder,
 			   const struct intel_crtc_state *crtc_state,
 			   int *n_entries)
 {
-	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+	struct intel_display *display = to_intel_display(encoder);
 
 	if (crtc_state->port_clock > 270000) {
-		if (IS_TIGERLAKE_UY(dev_priv)) {
+		if (display->platform.tigerlake_uy) {
 			return intel_get_buf_trans(&tgl_uy_combo_phy_trans_dp_hbr2,
 						   n_entries);
 		} else {
@@ -1687,72 +1751,104 @@ dg2_get_snps_buf_trans(struct intel_encoder *encoder,
 }
 
 static const struct intel_ddi_buf_trans *
-mtl_get_cx0_buf_trans(struct intel_encoder *encoder,
+mtl_get_c10_buf_trans(struct intel_encoder *encoder,
+		      const struct intel_crtc_state *crtc_state,
+		      int *n_entries)
+{
+	return intel_get_buf_trans(&mtl_c10_trans_dp14, n_entries);
+}
+
+static const struct intel_ddi_buf_trans *
+mtl_get_c20_buf_trans(struct intel_encoder *encoder,
 		      const struct intel_crtc_state *crtc_state,
 		      int *n_entries)
 {
-	if (intel_crtc_has_dp_encoder(crtc_state) && crtc_state->port_clock >= 1000000)
+	if (intel_crtc_has_dp_encoder(crtc_state) && intel_dp_is_uhbr(crtc_state))
 		return intel_get_buf_trans(&mtl_c20_trans_uhbr, n_entries);
-	else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI) && !(intel_encoder_is_c10phy(encoder)))
+	else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
 		return intel_get_buf_trans(&mtl_c20_trans_hdmi, n_entries);
-	else if (!intel_encoder_is_c10phy(encoder))
+	else
 		return intel_get_buf_trans(&mtl_c20_trans_dp14, n_entries);
+}
+
+static const struct intel_ddi_buf_trans *
+xe3plpd_get_lt_buf_trans(struct intel_encoder *encoder,
+			 const struct intel_crtc_state *crtc_state,
+			 int *n_entries)
+{
+	if (intel_crtc_has_dp_encoder(crtc_state) && intel_dp_is_uhbr(crtc_state))
+		return intel_get_buf_trans(&xe3plpd_lt_trans_uhbr, n_entries);
+	else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP))
+		return intel_get_buf_trans(&xe3plpd_lt_trans_edp, n_entries);
 	else
-		return intel_get_buf_trans(&mtl_c10_trans_dp14, n_entries);
+		return intel_get_buf_trans(&xe3plpd_lt_trans_dp14, n_entries);
 }
 
 void intel_ddi_buf_trans_init(struct intel_encoder *encoder)
 {
-	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
+	struct intel_display *display = to_intel_display(encoder);
 
-	if (DISPLAY_VER(i915) >= 14) {
-		encoder->get_buf_trans = mtl_get_cx0_buf_trans;
-	} else if (IS_DG2(i915)) {
+	if (HAS_LT_PHY(display)) {
+		encoder->get_buf_trans = xe3plpd_get_lt_buf_trans;
+	} else if (DISPLAY_VER(display) >= 14) {
+		if (intel_encoder_is_c10phy(encoder))
+			encoder->get_buf_trans = mtl_get_c10_buf_trans;
+		else
+			encoder->get_buf_trans = mtl_get_c20_buf_trans;
+	} else if (display->platform.dg2) {
 		encoder->get_buf_trans = dg2_get_snps_buf_trans;
-	} else if (IS_ALDERLAKE_P(i915)) {
+	} else if (display->platform.alderlake_p) {
 		if (intel_encoder_is_combo(encoder))
 			encoder->get_buf_trans = adlp_get_combo_buf_trans;
 		else
 			encoder->get_buf_trans = adlp_get_dkl_buf_trans;
-	} else if (IS_ALDERLAKE_S(i915)) {
+	} else if (display->platform.alderlake_s) {
 		encoder->get_buf_trans = adls_get_combo_buf_trans;
-	} else if (IS_ROCKETLAKE(i915)) {
+	} else if (display->platform.rocketlake) {
 		encoder->get_buf_trans = rkl_get_combo_buf_trans;
-	} else if (IS_DG1(i915)) {
+	} else if (display->platform.dg1) {
 		encoder->get_buf_trans = dg1_get_combo_buf_trans;
-	} else if (DISPLAY_VER(i915) >= 12) {
+	} else if (DISPLAY_VER(display) >= 12) {
 		if (intel_encoder_is_combo(encoder))
 			encoder->get_buf_trans = tgl_get_combo_buf_trans;
 		else
 			encoder->get_buf_trans = tgl_get_dkl_buf_trans;
-	} else if (DISPLAY_VER(i915) == 11) {
-		if (IS_JASPERLAKE(i915))
+	} else if (DISPLAY_VER(display) == 11) {
+		if (display->platform.jasperlake)
 			encoder->get_buf_trans = jsl_get_combo_buf_trans;
-		else if (IS_ELKHARTLAKE(i915))
+		else if (display->platform.elkhartlake)
 			encoder->get_buf_trans = ehl_get_combo_buf_trans;
 		else if (intel_encoder_is_combo(encoder))
 			encoder->get_buf_trans = icl_get_combo_buf_trans;
 		else
 			encoder->get_buf_trans = icl_get_mg_buf_trans;
-	} else if (IS_GEMINILAKE(i915) || IS_BROXTON(i915)) {
+	} else if (display->platform.geminilake || display->platform.broxton) {
 		encoder->get_buf_trans = bxt_get_buf_trans;
-	} else if (IS_COMETLAKE_ULX(i915) || IS_COFFEELAKE_ULX(i915) || IS_KABYLAKE_ULX(i915)) {
+	} else if (display->platform.cometlake_ulx ||
+		   display->platform.coffeelake_ulx ||
+		   display->platform.kabylake_ulx) {
 		encoder->get_buf_trans = kbl_y_get_buf_trans;
-	} else if (IS_COMETLAKE_ULT(i915) || IS_COFFEELAKE_ULT(i915) || IS_KABYLAKE_ULT(i915)) {
+	} else if (display->platform.cometlake_ult ||
+		   display->platform.coffeelake_ult ||
+		   display->platform.kabylake_ult) {
 		encoder->get_buf_trans = kbl_u_get_buf_trans;
-	} else if (IS_COMETLAKE(i915) || IS_COFFEELAKE(i915) || IS_KABYLAKE(i915)) {
+	} else if (display->platform.cometlake ||
+		   display->platform.coffeelake ||
+		   display->platform.kabylake) {
 		encoder->get_buf_trans = kbl_get_buf_trans;
-	} else if (IS_SKYLAKE_ULX(i915)) {
+	} else if (display->platform.skylake_ulx) {
 		encoder->get_buf_trans = skl_y_get_buf_trans;
-	} else if (IS_SKYLAKE_ULT(i915)) {
+	} else if (display->platform.skylake_ult) {
 		encoder->get_buf_trans = skl_u_get_buf_trans;
-	} else if (IS_SKYLAKE(i915)) {
+	} else if (display->platform.skylake) {
 		encoder->get_buf_trans = skl_get_buf_trans;
-	} else if (IS_BROADWELL(i915)) {
+	} else if (display->platform.broadwell) {
 		encoder->get_buf_trans = bdw_get_buf_trans;
-	} else if (IS_HASWELL(i915)) {
+	} else if (display->platform.haswell) {
 		encoder->get_buf_trans = hsw_get_buf_trans;
 	} else {
-		MISSING_CASE(INTEL_INFO(i915)->platform);
+		struct pci_dev *pdev = to_pci_dev(display->drm->dev);
+
+		MISSING_CASE(pdev->device);
 	}
 }