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From 23d7a488e4c126fd9f4bc1fae696288df0d14270 Mon Sep 17 00:00:00 2001
From: Likun Gao <Likun.Gao@amd.com>
Date: Fri, 11 Jan 2019 17:42:47 +0800
Subject: [PATCH 1436/2940] drm/amd/powerplay: add golden dpm table to backup
default DPM table (v2)
Backup default DPM table into golden dpm table.
v2: fix dpm_context and golden_dpm_context kfree two times issue.
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 3 ++-
drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 2 ++
drivers/gpu/drm/amd/powerplay/vega20_ppt.c | 14 ++++++++++++++
3 files changed, 18 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
index 635c8b8e6d8d..9e376eea847d 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
@@ -201,8 +201,9 @@ struct smu_table_context
};
struct smu_dpm_context {
- void *dpm_context;
uint32_t dpm_context_size;
+ void *dpm_context;
+ void *golden_dpm_context;
};
struct smu_power_context {
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index 037d900c450c..534319f24eb0 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -272,7 +272,9 @@ static int smu_v11_0_fini_dpm_context(struct smu_context *smu)
return -EINVAL;
kfree(smu_dpm->dpm_context);
+ kfree(smu_dpm->golden_dpm_context);
smu_dpm->dpm_context = NULL;
+ smu_dpm->golden_dpm_context = NULL;
smu_dpm->dpm_context_size = 0;
return 0;
diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
index c398899320d1..aa7f41a59e82 100644
--- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
@@ -136,11 +136,22 @@ static int vega20_allocate_dpm_context(struct smu_context *smu)
{
struct smu_dpm_context *smu_dpm = &smu->smu_dpm;
+ if (smu_dpm->dpm_context)
+ return -EINVAL;
+
smu_dpm->dpm_context = kzalloc(sizeof(struct vega20_dpm_table),
GFP_KERNEL);
if (!smu_dpm->dpm_context)
return -ENOMEM;
+ if (smu_dpm->golden_dpm_context)
+ return -EINVAL;
+
+ smu_dpm->golden_dpm_context = kzalloc(sizeof(struct vega20_dpm_table),
+ GFP_KERNEL);
+ if (!smu_dpm->golden_dpm_context)
+ return -ENOMEM;
+
smu_dpm->dpm_context_size = sizeof(struct vega20_dpm_table);
return 0;
@@ -610,6 +621,9 @@ static int vega20_set_default_dpm_table(struct smu_context *smu)
}
vega20_init_single_dpm_state(&(single_dpm_table->dpm_state));
+ memcpy(smu_dpm->golden_dpm_context, dpm_table,
+ sizeof(struct vega20_dpm_table));
+
return 0;
}
--
2.17.1
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