[PATCH] drm/amdgpu: Fix unique_id references for Sienna Cichlid

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Since unique_id is only supported in PMFW 0x3A5300 and higher, we will
only be able to use it inside Smu_Metrics_V3_t, which requires PMFW
0x3A4900 and higher. Remove the unique_id/serial_number references from
the v1 and v2 tables to avoid any confusion, and return 0 if metrics_v1
or metrics_v2 are used to try to get the unique_id/serial_number.

Signed-off-by: Kent Russell <kent.russell@xxxxxxx>
---
 .../swsmu/inc/pmfw_if/smu11_driver_if_sienna_cichlid.h |  6 ------
 .../gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c    | 10 ++++------
 2 files changed, 4 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu11_driver_if_sienna_cichlid.h b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu11_driver_if_sienna_cichlid.h
index 5831145646e6..08f0bb2af5d2 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu11_driver_if_sienna_cichlid.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu11_driver_if_sienna_cichlid.h
@@ -1420,9 +1420,6 @@ typedef struct {
   uint8_t  PcieWidth              ;
   uint16_t AverageGfxclkFrequencyTarget;
 
-  uint32_t PublicSerialNumLower32;
-  uint32_t PublicSerialNumUpper32;
-
   uint16_t Padding16_2;
 } SmuMetrics_t;
 
@@ -1480,9 +1477,6 @@ typedef struct {
   uint8_t  PcieWidth              ;
   uint16_t AverageGfxclkFrequencyTarget;
 
-  uint32_t PublicSerialNumLower32;
-  uint32_t PublicSerialNumUpper32;
-
   uint16_t Padding16_2;
 } SmuMetrics_V2_t;
 
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
index b2f3d80e5945..ab3e9d8b831e 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
@@ -716,14 +716,12 @@ static int sienna_cichlid_get_smu_metrics_data(struct smu_context *smu,
 			use_metrics_v2 ? metrics_v2->CurrFanSpeed : metrics->CurrFanSpeed;
 		break;
 	case METRICS_UNIQUE_ID_UPPER32:
-		*value = use_metrics_v3 ? metrics_v3->PublicSerialNumUpper32 :
-			use_metrics_v2 ? metrics_v2->PublicSerialNumUpper32 :
-			metrics->PublicSerialNumUpper32;
+		/* Only supported in 0x3A5300+, metrics_v3 requires 0x3A4900+ */
+		*value = use_metrics_v3 ? metrics_v3->PublicSerialNumUpper32 : 0;
 		break;
 	case METRICS_UNIQUE_ID_LOWER32:
-		*value = use_metrics_v3 ? metrics_v3->PublicSerialNumLower32 :
-			use_metrics_v2 ? metrics_v2->PublicSerialNumLower32 :
-			metrics->PublicSerialNumLower32;
+		/* Only supported in 0x3A5300+, metrics_v3 requires 0x3A4900+ */
+		*value = use_metrics_v3 ? metrics_v3->PublicSerialNumLower32 : 0;
 		break;
 	default:
 		*value = UINT_MAX;
-- 
2.25.1




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