From fc0215d0c8168cf8dfaa59796b7e7cf680947c57 Mon Sep 17 00:00:00 2001
From: Tejas Upadhyay <tejaskumarx.surendrakumar.upadhyay@intel.com>
Date: Thu, 3 Mar 2022 17:02:52 +0530
Subject: drm/i915/adl-n: Add stepping info
Git-commit: 8d80cceecdd98de6d2281d39d6571a1fe08e5af9
Patch-mainline: v5.19-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225

Add ADL-N stepping-substepping info in
accordance to BSpec.

Bspec: 68397

Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Tejas Upadhyay <tejaskumarx.surendrakumar.upadhyay@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220303113252.212873-1-tejaskumarx.surendrakumar.upadhyay@intel.com
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/i915/intel_step.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_step.c b/drivers/gpu/drm/i915/intel_step.c
index 4fd69ecd1481..74e8e4680028 100644
--- a/drivers/gpu/drm/i915/intel_step.c
+++ b/drivers/gpu/drm/i915/intel_step.c
@@ -131,6 +131,10 @@ static const struct intel_step_info adls_rpls_revids[] = {
 	[0xC] = { COMMON_GT_MEDIA_STEP(D0), .display_step = STEP_C0 },
 };
 
+static const struct intel_step_info adlp_n_revids[] = {
+	[0x0] = { COMMON_GT_MEDIA_STEP(A0), .display_step = STEP_D0 },
+};
+
 void intel_step_init(struct drm_i915_private *i915)
 {
 	const struct intel_step_info *revids = NULL;
@@ -150,6 +154,9 @@ void intel_step_init(struct drm_i915_private *i915)
 	} else if (IS_XEHPSDV(i915)) {
 		revids = xehpsdv_revids;
 		size = ARRAY_SIZE(xehpsdv_revids);
+	} else if (IS_ADLP_N(i915)) {
+		revids = adlp_n_revids;
+		size = ARRAY_SIZE(adlp_n_revids);
 	} else if (IS_ALDERLAKE_P(i915)) {
 		revids = adlp_revids;
 		size = ARRAY_SIZE(adlp_revids);
-- 
2.38.1