[PATCH V3] drm/i915/adl-n: Enable ADL-N platform

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Adding PCI device ids and enabling ADL-N platform.
ADL-N from i915 point of view is subplatform of ADL-P.

BSpec: 68397

Changes since V2:
	- Added version log history
Changes since V1:
	- replace IS_ALDERLAKE_N with IS_ADLP_N - Jani Nikula

Signed-off-by: Tejas Upadhyay <tejaskumarx.surendrakumar.upadhyay@xxxxxxxxx>
---
 arch/x86/kernel/early-quirks.c           | 1 +
 drivers/gpu/drm/i915/i915_drv.h          | 2 ++
 drivers/gpu/drm/i915/i915_pci.c          | 1 +
 drivers/gpu/drm/i915/intel_device_info.c | 7 +++++++
 drivers/gpu/drm/i915/intel_device_info.h | 3 +++
 include/drm/i915_pciids.h                | 6 ++++++
 6 files changed, 20 insertions(+)

diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index fd2d3ab38ebb..1ca3a56fdc2d 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -554,6 +554,7 @@ static const struct pci_device_id intel_early_ids[] __initconst = {
 	INTEL_RKL_IDS(&gen11_early_ops),
 	INTEL_ADLS_IDS(&gen11_early_ops),
 	INTEL_ADLP_IDS(&gen11_early_ops),
+	INTEL_ADLN_IDS(&gen11_early_ops),
 	INTEL_RPLS_IDS(&gen11_early_ops),
 };
 
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index a0f54a69b11d..b2ec85a3e40a 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1283,6 +1283,8 @@ 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/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index 708a23415e9c..6a19e9da53cc 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -1132,6 +1132,7 @@ static 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_DG1_IDS(&dg1_info),
 	INTEL_RPLS_IDS(&adl_s_info),
 	{0, 0, 0}
diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
index a3446a2abcb2..54944d87cd3c 100644
--- a/drivers/gpu/drm/i915/intel_device_info.c
+++ b/drivers/gpu/drm/i915/intel_device_info.c
@@ -170,6 +170,10 @@ 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),
 };
@@ -210,6 +214,9 @@ 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/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h
index 213ae2c07126..e341d90f28a2 100644
--- a/drivers/gpu/drm/i915/intel_device_info.h
+++ b/drivers/gpu/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/include/drm/i915_pciids.h b/include/drm/i915_pciids.h
index baf3d1d3d566..533890dc9da1 100644
--- a/include/drm/i915_pciids.h
+++ b/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), \
-- 
2.31.1




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