drm/i915/rpl-p: Add stepping info

Add stepping-substepping info in accordance to bpsec changes.

Bspec: 55376

Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: NMatt Atwood <matthew.s.atwood@intel.com>
Reviewed-by: NMatt Roper <matthew.d.roper@intel.com>
Signed-off-by: NMatt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221117214132.152061-1-matthew.s.atwood@intel.com

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_rplp_revids[] = {
+	[0x4] = { COMMON_GT_MEDIA_STEP(C0), .display_step = STEP_E0 },
+};
+
 static const struct intel_step_info adlp_n_revids[] = {
 	[0x0] = { COMMON_GT_MEDIA_STEP(A0), .display_step = STEP_D0 },
 };
@@ -187,6 +191,9 @@ void intel_step_init(struct drm_i915_private *i915)
 	} else if (IS_ADLP_N(i915)) {
 		revids = adlp_n_revids;
 		size = ARRAY_SIZE(adlp_n_revids);
+	} else if (IS_ADLP_RPLP(i915)) {
+		revids = adlp_rplp_revids;
+		size = ARRAY_SIZE(adlp_rplp_revids);
 	} else if (IS_ALDERLAKE_P(i915)) {
 		revids = adlp_revids;
 		size = ARRAY_SIZE(adlp_revids);