drm/amd/display: Add DCN3.1 yellow carp asic family IDs

[Why & How] To determine whether the chip is yellow carp or not and which revision it is. Acked-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
mariux64 · Jun 4, 2021 · d997ea5 · d997ea5
1 parent 7536256
commit d997ea5
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diff --git 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
@@ -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
 };