From c091463f2365ac6dceb3049c4220644d95f97636 Mon Sep 17 00:00:00 2001
From: jsg <jsg@openbsd.org>
Date: Wed, 4 May 2022 05:25:28 +0000
Subject: [PATCH] drm/i915/adl-n: Enable ADL-N platform

From Tejas Upadhyay
7e28d0b26759846485978ada860ef4a427e06c8f in mainline linux
---
 sys/dev/pci/drm/i915/i915_drv.h           | 2 ++
 sys/dev/pci/drm/i915/i915_pci.c           | 1 +
 sys/dev/pci/drm/i915/intel_device_info.c  | 7 +++++++
 sys/dev/pci/drm/i915/intel_device_info.h  | 3 +++
 sys/dev/pci/drm/include/drm/i915_pciids.h | 6 ++++++
 5 files changed, 19 insertions(+)

diff --git a/sys/dev/pci/drm/i915/i915_drv.h b/sys/dev/pci/drm/i915/i915_drv.h
index f46df5b4aa0..33f46d82fd7 100644
--- a/sys/dev/pci/drm/i915/i915_drv.h
+++ b/sys/dev/pci/drm/i915/i915_drv.h
@@ -1528,6 +1528,8 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
 	IS_SUBPLATFORM(dev_priv, INTEL_DG2, INTEL_SUBPLATFORM_G11)
 #define IS_ADLS_RPLS(dev_priv) \
 	IS_SUBPLATFORM(dev_priv, INTEL_ALDERLAKE_S, INTEL_SUBPLATFORM_RPL_S)
+#define IS_ADLP_N(dev_priv) \
+	IS_SUBPLATFORM(dev_priv, INTEL_ALDERLAKE_P, INTEL_SUBPLATFORM_N)
 #define IS_HSW_EARLY_SDV(dev_priv) (IS_HASWELL(dev_priv) && \
 				    (INTEL_DEVID(dev_priv) & 0xFF00) == 0x0C00)
 #define IS_BDW_ULT(dev_priv) \
diff --git a/sys/dev/pci/drm/i915/i915_pci.c b/sys/dev/pci/drm/i915/i915_pci.c
index aa7096030f9..708d7029245 100644
--- a/sys/dev/pci/drm/i915/i915_pci.c
+++ b/sys/dev/pci/drm/i915/i915_pci.c
@@ -1115,6 +1115,7 @@ const struct pci_device_id pciidlist[] = {
 	INTEL_RKL_IDS(&rkl_info),
 	INTEL_ADLS_IDS(&adl_s_info),
 	INTEL_ADLP_IDS(&adl_p_info),
+	INTEL_ADLN_IDS(&adl_p_info),
 	INTEL_RPLS_IDS(&adl_s_info),
 	{0, 0, 0}
 };
diff --git a/sys/dev/pci/drm/i915/intel_device_info.c b/sys/dev/pci/drm/i915/intel_device_info.c
index dc479c784de..cb55cdba1d3 100644
--- a/sys/dev/pci/drm/i915/intel_device_info.c
+++ b/sys/dev/pci/drm/i915/intel_device_info.c
@@ -177,6 +177,10 @@ static const u16 subplatform_portf_ids[] = {
 	INTEL_ICL_PORT_F_IDS(0),
 };
 
+static const u16 subplatform_n_ids[] = {
+	INTEL_ADLN_IDS(0),
+};
+
 static const u16 subplatform_rpls_ids[] = {
 	INTEL_RPLS_IDS(0),
 };
@@ -217,6 +221,9 @@ void intel_device_info_subplatform_init(struct drm_i915_private *i915)
 	} else if (find_devid(devid, subplatform_portf_ids,
 			      ARRAY_SIZE(subplatform_portf_ids))) {
 		mask = BIT(INTEL_SUBPLATFORM_PORTF);
+	} else if (find_devid(devid, subplatform_n_ids,
+				ARRAY_SIZE(subplatform_n_ids))) {
+		mask = BIT(INTEL_SUBPLATFORM_N);
 	} else if (find_devid(devid, subplatform_rpls_ids,
 			      ARRAY_SIZE(subplatform_rpls_ids))) {
 		mask = BIT(INTEL_SUBPLATFORM_RPL_S);
diff --git a/sys/dev/pci/drm/i915/intel_device_info.h b/sys/dev/pci/drm/i915/intel_device_info.h
index 23c9d34a2f5..359825ed693 100644
--- a/sys/dev/pci/drm/i915/intel_device_info.h
+++ b/sys/dev/pci/drm/i915/intel_device_info.h
@@ -113,6 +113,9 @@ enum intel_platform {
 /* ADL-S */
 #define INTEL_SUBPLATFORM_RPL_S	0
 
+/* ADL-P */
+#define INTEL_SUBPLATFORM_N    0
+
 enum intel_ppgtt_type {
 	INTEL_PPGTT_NONE = I915_GEM_PPGTT_NONE,
 	INTEL_PPGTT_ALIASING = I915_GEM_PPGTT_ALIASING,
diff --git a/sys/dev/pci/drm/include/drm/i915_pciids.h b/sys/dev/pci/drm/include/drm/i915_pciids.h
index baf3d1d3d56..533890dc9da 100644
--- a/sys/dev/pci/drm/include/drm/i915_pciids.h
+++ b/sys/dev/pci/drm/include/drm/i915_pciids.h
@@ -666,6 +666,12 @@
 	INTEL_VGA_DEVICE(0x46C2, info), \
 	INTEL_VGA_DEVICE(0x46C3, info)
 
+/* ADL-N */
+#define INTEL_ADLN_IDS(info) \
+	INTEL_VGA_DEVICE(0x46D0, info), \
+	INTEL_VGA_DEVICE(0x46D1, info), \
+	INTEL_VGA_DEVICE(0x46D2, info)
+
 /* RPL-S */
 #define INTEL_RPLS_IDS(info) \
 	INTEL_VGA_DEVICE(0xA780, info), \
-- 
2.20.1