From 63b89dd5d006346d26b1ce8cf63238aebeb043ca Mon Sep 17 00:00:00 2001
From: Evan Quan <evan.quan@amd.com>
Date: Thu, 7 Apr 2022 09:51:41 -0400
Subject: drm/amdgpu: add FGCG support
Git-commit: d6b9a91f5d1bd9f8027dbab1119a3a51f0afed26
Patch-mainline: v5.19-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
Add the CG flag for Fine Grained Clock Gating.
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/include/amd_shared.h | 1 +
drivers/gpu/drm/amd/pm/amdgpu_pm.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h
index 9086df53660c..9ae4060a9d0f 100644
--- a/drivers/gpu/drm/amd/include/amd_shared.h
+++ b/drivers/gpu/drm/amd/include/amd_shared.h
@@ -148,6 +148,7 @@ enum amd_powergating_state {
#define AMD_CG_SUPPORT_ATHUB_MGCG (1ULL << 29)
#define AMD_CG_SUPPORT_JPEG_MGCG (1ULL << 30)
#define AMD_CG_SUPPORT_GFX_FGCG (1ULL << 31)
+#define AMD_CG_SUPPORT_REPEATER_FGCG (1ULL << 32)
/* PG flags */
#define AMD_PG_SUPPORT_GFX_PG (1 << 0)
#define AMD_PG_SUPPORT_GFX_SMG (1 << 1)
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index 05f1ac355ba8..e92d07f88048 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -66,6 +66,7 @@ static const struct cg_flag_name clocks[] = {
{AMD_CG_SUPPORT_HDP_SD, "Host Data Path Shutdown"},
{AMD_CG_SUPPORT_IH_CG, "Interrupt Handler Clock Gating"},
{AMD_CG_SUPPORT_JPEG_MGCG, "JPEG Medium Grain Clock Gating"},
+ {AMD_CG_SUPPORT_REPEATER_FGCG, "Repeater Fine Grain Clock Gating"},
{AMD_CG_SUPPORT_ATHUB_MGCG, "Address Translation Hub Medium Grain Clock Gating"},
{AMD_CG_SUPPORT_ATHUB_LS, "Address Translation Hub Light Sleep"},
--
2.38.1