From: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>
[Why & How]
To determine whether the chip is yellow carp or not and which revision
it is.
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/display/include/dal_asic_id.h | 13 +++++++++++++
drivers/gpu/drm/amd/display/include/dal_types.h | 3 +++
2 files changed, 16 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/include/dal_asic_id.h b/drivers/gpu/drm/amd/display/include/dal_asic_id.h
index cb35eae29ca0..d615a8e00f8c 100644
--- a/drivers/gpu/drm/amd/display/include/dal_asic_id.h
+++ b/drivers/gpu/drm/amd/display/include/dal_asic_id.h
@@ -224,6 +224,19 @@ enum {
#define ASICREV_IS_GREEN_SARDINE(eChipRev) ((eChipRev >= GREEN_SARDINE_A0) && (eChipRev < 0xFF))
#endif
+#if defined(CONFIG_DRM_AMD_DC_DCN3_1)
+#define FAMILY_YELLOW_CARP 146
+
+#define YELLOW_CARP_A0 0x01
+#define YELLOW_CARP_B0 0x02 // TODO: DCN31 - update with correct B0 ID
+#define YELLOW_CARP_UNKNOWN 0xFF
+
+#ifndef ASICREV_IS_YELLOW_CARP
+#define ASICREV_IS_YELLOW_CARP(eChipRev) ((eChipRev >= YELLOW_CARP_A0) && (eChipRev < YELLOW_CARP_UNKNOWN))
+#endif
+#endif
+
+
/*
* ASIC chip ID
*/
diff --git a/drivers/gpu/drm/amd/display/include/dal_types.h b/drivers/gpu/drm/amd/display/include/dal_types.h
index 85aed509c01f..59453ced9ece 100644
--- a/drivers/gpu/drm/amd/display/include/dal_types.h
+++ b/drivers/gpu/drm/amd/display/include/dal_types.h
@@ -55,6 +55,9 @@ enum dce_version {
DCN_VERSION_3_01,
DCN_VERSION_3_02,
DCN_VERSION_3_03,
+#if defined(CONFIG_DRM_AMD_DC_DCN3_1)
+ DCN_VERSION_3_1,
+#endif
DCN_VERSION_MAX
};
--
2.31.1
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