From d96c6f40118b6561fd198a4faa5c6579453e44f6 Mon Sep 17 00:00:00 2001
From: Michael Strauss <michael.strauss@amd.com>
Date: Mon, 4 Nov 2019 13:39:20 -0500
Subject: drm/amd/display: Fix Dali clk mgr construct
Git-commit: 10f51857b753af25cc048d8c5791433ee94f9164
Patch-mainline: v5.6-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
[WHY]
Dali is currently being misinterpreted as Renoir,
as a result uses wrong clk mgr constructor
[HOW]
Add check to init Dali as Raven2 before it can be misidentified
Clean up & fix Raven2 & Dali ASIC checks
Signed-off-by: Michael Strauss <michael.strauss@amd.com>
Reviewed-by: Eric Yang <eric.yang2@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c | 7 +++++++
drivers/gpu/drm/amd/display/include/dal_asic_id.h | 12 +++++-------
2 files changed, 12 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c
index a7c4c1d1fc59..6d60ef822619 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c
@@ -134,6 +134,13 @@ struct clk_mgr *dc_clk_mgr_create(struct dc_context *ctx, struct pp_smu_funcs *p
#if defined(CONFIG_DRM_AMD_DC_DCN)
case FAMILY_RV:
+ if (ASICREV_IS_DALI(asic_id.hw_internal_rev)) {
+ /* TEMP: this check has to come before ASICREV_IS_RENOIR */
+ /* which also incorrectly returns true for Dali */
+ rv2_clk_mgr_construct(ctx, clk_mgr, pp_smu);
+ break;
+ }
+
if (ASICREV_IS_RENOIR(asic_id.hw_internal_rev)) {
rn_clk_mgr_construct(ctx, clk_mgr, pp_smu, dccg);
break;
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 6f56208a9471..72b659c63aea 100644
--- a/drivers/gpu/drm/amd/display/include/dal_asic_id.h
+++ b/drivers/gpu/drm/amd/display/include/dal_asic_id.h
@@ -134,19 +134,17 @@
#define PICASSO_A0 0x41
/* DCN1_01 */
#define RAVEN2_A0 0x81
+#define RAVEN2_15D8_REV_E3 0xE3
+#define RAVEN2_15D8_REV_E4 0xE4
#define RAVEN1_F0 0xF0
#define RAVEN_UNKNOWN 0xFF
-#define PICASSO_15D8_REV_E3 0xE3
-#define PICASSO_15D8_REV_E4 0xE4
-
#define ASICREV_IS_RAVEN(eChipRev) ((eChipRev >= RAVEN_A0) && eChipRev < RAVEN_UNKNOWN)
#define ASICREV_IS_PICASSO(eChipRev) ((eChipRev >= PICASSO_A0) && (eChipRev < RAVEN2_A0))
-#define ASICREV_IS_RAVEN2(eChipRev) ((eChipRev >= RAVEN2_A0) && (eChipRev < PICASSO_15D8_REV_E3))
-#define ASICREV_IS_DALI(eChipRev) ((eChipRev >= PICASSO_15D8_REV_E3) && (eChipRev < RAVEN1_F0))
-
+#define ASICREV_IS_RAVEN2(eChipRev) ((eChipRev >= RAVEN2_A0) && (eChipRev < RAVEN1_F0))
#define ASICREV_IS_RV1_F0(eChipRev) ((eChipRev >= RAVEN1_F0) && (eChipRev < RAVEN_UNKNOWN))
-
+#define ASICREV_IS_DALI(eChipRev) ((eChipRev == RAVEN2_15D8_REV_E3) \
+ || (eChipRev == RAVEN2_15D8_REV_E4))
#define FAMILY_RV 142 /* DCN 1*/
--
2.28.0