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

Bspec: 68397

Cc: Matt Roper <matthew.d.ro...@intel.com>
Signed-off-by: Tejas Upadhyay <tejaskumarx.surendrakumar.upadh...@intel.com>
---
 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);
-- 
2.34.1

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