[PATCH 1/1][SRU][L][OEM-6.0] drm/i915/rpl-p: Add stepping info

[AceLan Kao]

From: Matt Atwood <matthew.s.atwood at intel.com>

BugLink: https://launchpad.net/bugs/1998419

Add stepping-substepping info in accordance to bpsec changes.

Bspec: 55376

Cc: Anusha Srivatsa <anusha.srivatsa at intel.com>
Signed-off-by: Matt Atwood <matthew.s.atwood at intel.com>
Reviewed-by: Matt Roper <matthew.d.roper at intel.com>
Signed-off-by: Matt Roper <matthew.d.roper at intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221117214132.152061-1-matthew.s.atwood@intel.com
(cherry picked from commit dc73ac63e63ac1c0b8bd3d29cf0c17c98ea92146 drm-tip/drm-tip)
Signed-off-by: Chia-Lin Kao (AceLan) <acelan.kao at canonical.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 42b3133d8387..2ce5e447c332 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_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 },
 };
@@ -162,6 +166,9 @@ 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);
-- 
2.34.1