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drm/amd/pm: support BAMACO reset on smu_v13_0_7

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support BAMACO reset on smu_v13_0_7, take BAMACO as a subset of BACO
for the low latency, and it only happens on specific platforms.

Signed-off-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Kenneth Feng 2022-06-01 09:20:28 +08:00 committed by Alex Deucher
parent 5d6ec040ab
commit 7fc83cd079
2 changed files with 56 additions and 2 deletions
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1
drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
View File

@ -432,6 +432,7 @@ struct smu_baco_context
{
uint32_t state;
bool platform_support;
bool maco_support;
};
struct smu_freq_info {

57
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
View File

@ -303,6 +303,8 @@ static int smu_v13_0_7_check_powerplay_table(struct smu_context *smu)
struct smu_13_0_7_powerplay_table *powerplay_table =
table_context->power_play_table;
struct smu_baco_context *smu_baco = &smu->smu_baco;
PPTable_t *smc_pptable = table_context->driver_pptable;
BoardTable_t *BoardTable = &smc_pptable->BoardTable;
if (powerplay_table->platform_caps & SMU_13_0_7_PP_PLATFORM_CAP_HARDWAREDC)
smu->dc_controlled_by_gpio = true;
@ -311,6 +313,9 @@ static int smu_v13_0_7_check_powerplay_table(struct smu_context *smu)
powerplay_table->platform_caps & SMU_13_0_7_PP_PLATFORM_CAP_MACO)
smu_baco->platform_support = true;
if (smu_baco->platform_support && (BoardTable->HsrEnabled || BoardTable->VddqOffEnabled))
smu_baco->maco_support = true;
table_context->thermal_controller_type =
powerplay_table->thermal_controller_type;
@ -1537,6 +1542,54 @@ static int smu_v13_0_7_set_power_profile_mode(struct smu_context *smu, long *inp
return ret;
}
static int smu_v13_0_7_baco_set_state(struct smu_context *smu,
enum smu_baco_state state)
{
struct smu_baco_context *smu_baco = &smu->smu_baco;
struct amdgpu_device *adev = smu->adev;
bool is_maco_support = smu_baco->maco_support;
int ret;
if (smu_v13_0_baco_get_state(smu) == state)
return 0;
if (state == SMU_BACO_STATE_ENTER) {
ret = smu_cmn_send_smc_msg_with_param(smu,
SMU_MSG_EnterBaco,
(is_maco_support ? 2 : 0),
NULL);
} else {
ret = smu_cmn_send_smc_msg(smu,
SMU_MSG_ExitBaco,
NULL);
if (ret)
return ret;
/* clear vbios scratch 6 and 7 for coming asic reinit */
WREG32(adev->bios_scratch_reg_offset + 6, 0);
WREG32(adev->bios_scratch_reg_offset + 7, 0);
}
if (!ret)
smu_baco->state = state;
return ret;
}
static int smu_v13_0_7_baco_enter(struct smu_context *smu)
{
int ret = 0;
ret = smu_v13_0_7_baco_set_state(smu,
SMU_BACO_STATE_ENTER);
if (ret)
return ret;
msleep(10);
return ret;
}
static const struct pptable_funcs smu_v13_0_7_ppt_funcs = {
.get_allowed_feature_mask = smu_v13_0_7_get_allowed_feature_mask,
.set_default_dpm_table = smu_v13_0_7_set_default_dpm_table,
@ -1591,8 +1644,8 @@ static const struct pptable_funcs smu_v13_0_7_ppt_funcs = {
.set_pp_feature_mask = smu_cmn_set_pp_feature_mask,
.baco_is_support = smu_v13_0_baco_is_support,
.baco_get_state = smu_v13_0_baco_get_state,
.baco_set_state = smu_v13_0_baco_set_state,
.baco_enter = smu_v13_0_baco_enter,
.baco_set_state = smu_v13_0_7_baco_set_state,
.baco_enter = smu_v13_0_7_baco_enter,
.baco_exit = smu_v13_0_baco_exit,
};