From 7c1fa0bf65a53c70fe09a050cd59714e1081a934 Mon Sep 17 00:00:00 2001 From: Evan Quan Date: Mon, 25 Apr 2022 17:20:40 +0800 Subject: [PATCH] drm/amd/pm: enable BACO support for SMU 13.0.0 Enable SMU 13.0.0 BACO support. Signed-off-by: Evan Quan Reviewed-by: Likun Gao Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h | 11 ++++ drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c | 75 ++++++++++++++++++++++ .../gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c | 7 ++ 3 files changed, 93 insertions(+) diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h index 4a52ab737dd5..013be82db1f3 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h +++ b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h @@ -282,5 +282,16 @@ int smu_v13_0_deep_sleep_control(struct smu_context *smu, int smu_v13_0_gfx_ulv_control(struct smu_context *smu, bool enablement); +bool smu_v13_0_baco_is_support(struct smu_context *smu); + +enum smu_baco_state smu_v13_0_baco_get_state(struct smu_context *smu); + +int smu_v13_0_baco_set_state(struct smu_context *smu, + enum smu_baco_state state); + +int smu_v13_0_baco_enter(struct smu_context *smu); + +int smu_v13_0_baco_exit(struct smu_context *smu); + #endif #endif diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c index 2c57bc573ee8..d73deb3e596f 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c @@ -2206,3 +2206,78 @@ int smu_v13_0_gfx_ulv_control(struct smu_context *smu, return ret; } + +bool smu_v13_0_baco_is_support(struct smu_context *smu) +{ + struct smu_baco_context *smu_baco = &smu->smu_baco; + + if (amdgpu_sriov_vf(smu->adev) || + !smu_baco->platform_support) + return false; + + if (smu_cmn_feature_is_supported(smu, SMU_FEATURE_BACO_BIT) && + !smu_cmn_feature_is_enabled(smu, SMU_FEATURE_BACO_BIT)) + return false; + + return true; +} + +enum smu_baco_state smu_v13_0_baco_get_state(struct smu_context *smu) +{ + struct smu_baco_context *smu_baco = &smu->smu_baco; + + return smu_baco->state; +} + +int smu_v13_0_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; + int ret = 0; + + 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, + 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; +} + +int smu_v13_0_baco_enter(struct smu_context *smu) +{ + int ret = 0; + + ret = smu_v13_0_baco_set_state(smu, + SMU_BACO_STATE_ENTER); + if (ret) + return ret; + + msleep(10); + + return ret; +} + +int smu_v13_0_baco_exit(struct smu_context *smu) +{ + return smu_v13_0_baco_set_state(smu, + SMU_BACO_STATE_EXIT); +} diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c index 71312ed26fb9..44da7e06a012 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c @@ -95,6 +95,7 @@ static struct cmn2asic_msg_mapping smu_v13_0_0_message_map[SMU_MSG_MAX_COUNT] = MSG_MAP(UseDefaultPPTable, PPSMC_MSG_UseDefaultPPTable, 0), MSG_MAP(RunDcBtc, PPSMC_MSG_RunDcBtc, 0), MSG_MAP(EnterBaco, PPSMC_MSG_EnterBaco, 0), + MSG_MAP(ExitBaco, PPSMC_MSG_ExitBaco, 0), MSG_MAP(SetSoftMinByFreq, PPSMC_MSG_SetSoftMinByFreq, 1), MSG_MAP(SetSoftMaxByFreq, PPSMC_MSG_SetSoftMaxByFreq, 1), MSG_MAP(SetHardMinByFreq, PPSMC_MSG_SetHardMinByFreq, 1), @@ -150,6 +151,7 @@ static struct cmn2asic_mapping smu_v13_0_0_feature_mask_map[SMU_FEATURE_COUNT] = [SMU_FEATURE_DS_MP0CLK_BIT] = {1, FEATURE_SOC_MPCLK_DS_BIT}, [SMU_FEATURE_DS_MP1CLK_BIT] = {1, FEATURE_BACO_MPCLK_DS_BIT}, [SMU_FEATURE_GFX_ULV_BIT] = {1, FEATURE_GFX_ULV_BIT}, + [SMU_FEATURE_BACO_BIT] = {1, FEATURE_BACO_BIT}, }; static struct cmn2asic_mapping smu_v13_0_0_table_map[SMU_TABLE_COUNT] = { @@ -1595,6 +1597,11 @@ static const struct pptable_funcs smu_v13_0_0_ppt_funcs = { .set_tool_table_location = smu_v13_0_set_tool_table_location, .deep_sleep_control = smu_v13_0_deep_sleep_control, .gfx_ulv_control = smu_v13_0_gfx_ulv_control, + .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_exit = smu_v13_0_baco_exit, }; void smu_v13_0_0_set_ppt_funcs(struct smu_context *smu) -- 2.11.0