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From dc08bc87736f8aa882c78d2de63371984ce0e9bf Mon Sep 17 00:00:00 2001
From: Eric Huang <JinHuiEric.Huang@amd.com>
Date: Fri, 15 Apr 2016 17:14:53 -0400
Subject: [PATCH 1029/1110] drm/amd/powerplay: revise reading/writing pptable
on Tonga
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c | 37 +++++++++++++++--------
drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.h | 2 ++
2 files changed, 27 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c
index 0d9cf4d..bc61c07 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c
@@ -4443,17 +4443,14 @@ int tonga_reset_asic_tasks(struct pp_hwmgr *hwmgr)
int tonga_hwmgr_backend_fini(struct pp_hwmgr *hwmgr)
{
- if (NULL != hwmgr->dyn_state.vddc_dep_on_dal_pwrl) {
- kfree(hwmgr->dyn_state.vddc_dep_on_dal_pwrl);
- hwmgr->dyn_state.vddc_dep_on_dal_pwrl = NULL;
- }
+ struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
- if (NULL != hwmgr->backend) {
- kfree(hwmgr->backend);
- hwmgr->backend = NULL;
+ if (data->soft_pp_table) {
+ kfree(data->soft_pp_table);
+ data->soft_pp_table = NULL;
}
- return 0;
+ return phm_hwmgr_backend_fini(hwmgr);
}
/**
@@ -6058,18 +6055,34 @@ static int tonga_get_pp_table(struct pp_hwmgr *hwmgr, char **table)
{
struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
- *table = (char *)&data->smc_state_table;
+ if (!data->soft_pp_table) {
+ data->soft_pp_table = kzalloc(hwmgr->soft_pp_table_size, GFP_KERNEL);
+ if (!data->soft_pp_table)
+ return -ENOMEM;
+ memcpy(data->soft_pp_table, hwmgr->soft_pp_table,
+ hwmgr->soft_pp_table_size);
+ }
+
+ *table = (char *)&data->soft_pp_table;
- return sizeof(struct SMU72_Discrete_DpmTable);
+ return hwmgr->soft_pp_table_size;
}
static int tonga_set_pp_table(struct pp_hwmgr *hwmgr, const char *buf, size_t size)
{
struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
- void *table = (void *)&data->smc_state_table;
+ if (!data->soft_pp_table) {
+ data->soft_pp_table = kzalloc(hwmgr->soft_pp_table_size, GFP_KERNEL);
+ if (!data->soft_pp_table)
+ return -ENOMEM;
+ }
+
+ memcpy(data->soft_pp_table, buf, size);
+
+ hwmgr->soft_pp_table = data->soft_pp_table;
- memcpy(table, buf, size);
+ /* TODO: re-init powerplay to implement modified pptable */
return 0;
}
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.h b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.h
index f88d3bb..c6a6b40 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.h
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.h
@@ -353,6 +353,8 @@ struct tonga_hwmgr {
bool acp_power_gated; /* 1: gated, 0:not gated */
bool pg_acp_init;
+ /* soft pptable for re-uploading into smu */
+ void *soft_pp_table;
};
typedef struct tonga_hwmgr tonga_hwmgr;
--
2.7.4
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