From 5f38ac54e60562323ea4abb1bfb37d043ee23357 Mon Sep 17 00:00:00 2001 From: Kenneth Feng Date: Wed, 25 Oct 2023 11:20:38 +0800 Subject: [PATCH] drm/amd/pm: fix the high voltage and temperature issue fix the high voltage and temperature issue after the driver is unloaded on smu 13.0.0, smu 13.0.7 and smu 13.0.10 v2 - fix the code format and make sure it is used on the unload case only. Signed-off-by: Kenneth Feng Reviewed-by: Yang Wang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 24 ++++++++++---- drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 33 +++++++++++++++++-- drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h | 1 + drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h | 2 ++ .../gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c | 13 ++++++++ .../drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c | 18 ++++++++-- .../drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c | 18 ++++++++-- 7 files changed, 94 insertions(+), 15 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index bd940cb9322e..436bd8455573 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3962,13 +3962,23 @@ int amdgpu_device_init(struct amdgpu_device *adev, } } } else { - tmp = amdgpu_reset_method; - /* It should do a default reset when loading or reloading the driver, - * regardless of the module parameter reset_method. - */ - amdgpu_reset_method = AMD_RESET_METHOD_NONE; - r = amdgpu_asic_reset(adev); - amdgpu_reset_method = tmp; + switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) { + case IP_VERSION(13, 0, 0): + case IP_VERSION(13, 0, 7): + case IP_VERSION(13, 0, 10): + r = psp_gpu_reset(adev); + break; + default: + tmp = amdgpu_reset_method; + /* It should do a default reset when loading or reloading the driver, + * regardless of the module parameter reset_method. + */ + amdgpu_reset_method = AMD_RESET_METHOD_NONE; + r = amdgpu_asic_reset(adev); + amdgpu_reset_method = tmp; + break; + } + if (r) { dev_err(adev->dev, "asic reset on init failed\n"); goto failed; diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c index 9f86c1fecbb1..23b00eddc1af 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c @@ -733,7 +733,7 @@ static int smu_early_init(void *handle) smu->adev = adev; smu->pm_enabled = !!amdgpu_dpm; smu->is_apu = false; - smu->smu_baco.state = SMU_BACO_STATE_EXIT; + smu->smu_baco.state = SMU_BACO_STATE_NONE; smu->smu_baco.platform_support = false; smu->user_dpm_profile.fan_mode = -1; @@ -1742,10 +1742,31 @@ static int smu_smc_hw_cleanup(struct smu_context *smu) return 0; } +static int smu_reset_mp1_state(struct smu_context *smu) +{ + struct amdgpu_device *adev = smu->adev; + int ret = 0; + + if ((!adev->in_runpm) && (!adev->in_suspend) && + (!amdgpu_in_reset(adev))) + switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) { + case IP_VERSION(13, 0, 0): + case IP_VERSION(13, 0, 7): + case IP_VERSION(13, 0, 10): + ret = smu_set_mp1_state(smu, PP_MP1_STATE_UNLOAD); + break; + default: + break; + } + + return ret; +} + static int smu_hw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; struct smu_context *smu = adev->powerplay.pp_handle; + int ret; if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev)) return 0; @@ -1763,7 +1784,15 @@ static int smu_hw_fini(void *handle) adev->pm.dpm_enabled = false; - return smu_smc_hw_cleanup(smu); + ret = smu_smc_hw_cleanup(smu); + if (ret) + return ret; + + ret = smu_reset_mp1_state(smu); + if (ret) + return ret; + + return 0; } static void smu_late_fini(void *handle) diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h index 839553a86aa2..8def291b18bc 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h @@ -419,6 +419,7 @@ enum smu_reset_mode { enum smu_baco_state { SMU_BACO_STATE_ENTER = 0, SMU_BACO_STATE_EXIT, + SMU_BACO_STATE_NONE, }; struct smu_baco_context { 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 cc02f979e9e9..95cb919718ae 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 @@ -299,5 +299,7 @@ int smu_v13_0_update_pcie_parameters(struct smu_context *smu, uint8_t pcie_gen_cap, uint8_t pcie_width_cap); +int smu_v13_0_disable_pmfw_state(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 a49e5adf7cc3..cf1b84060bc3 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 @@ -2477,3 +2477,16 @@ int smu_v13_0_update_pcie_parameters(struct smu_context *smu, return 0; } + +int smu_v13_0_disable_pmfw_state(struct smu_context *smu) +{ + int ret; + struct amdgpu_device *adev = smu->adev; + + WREG32_PCIE(MP1_Public | (smnMP1_FIRMWARE_FLAGS & 0xffffffff), 0); + + ret = RREG32_PCIE(MP1_Public | + (smnMP1_FIRMWARE_FLAGS & 0xffffffff)); + + return ret == 0 ? 0 : -EINVAL; +} 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 34bd99b0e137..997934bc12cf 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 @@ -2602,14 +2602,20 @@ static int smu_v13_0_0_baco_enter(struct smu_context *smu) static int smu_v13_0_0_baco_exit(struct smu_context *smu) { struct amdgpu_device *adev = smu->adev; + int ret; if (adev->in_runpm && smu_cmn_is_audio_func_enabled(adev)) { /* Wait for PMFW handling for the Dstate change */ usleep_range(10000, 11000); - return smu_v13_0_baco_set_armd3_sequence(smu, BACO_SEQ_ULPS); + ret = smu_v13_0_baco_set_armd3_sequence(smu, BACO_SEQ_ULPS); } else { - return smu_v13_0_baco_exit(smu); + ret = smu_v13_0_baco_exit(smu); } + + if (!ret) + adev->gfx.is_poweron = false; + + return ret; } static bool smu_v13_0_0_is_mode1_reset_supported(struct smu_context *smu) @@ -2794,7 +2800,13 @@ static int smu_v13_0_0_set_mp1_state(struct smu_context *smu, switch (mp1_state) { case PP_MP1_STATE_UNLOAD: - ret = smu_cmn_set_mp1_state(smu, mp1_state); + ret = smu_cmn_send_smc_msg_with_param(smu, + SMU_MSG_PrepareMp1ForUnload, + 0x55, NULL); + + if (!ret && smu->smu_baco.state == SMU_BACO_STATE_EXIT) + ret = smu_v13_0_disable_pmfw_state(smu); + break; default: /* Ignore others */ diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c index ac0e1cc812bd..692780ef21d0 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c @@ -2498,7 +2498,13 @@ static int smu_v13_0_7_set_mp1_state(struct smu_context *smu, switch (mp1_state) { case PP_MP1_STATE_UNLOAD: - ret = smu_cmn_set_mp1_state(smu, mp1_state); + ret = smu_cmn_send_smc_msg_with_param(smu, + SMU_MSG_PrepareMp1ForUnload, + 0x55, NULL); + + if (!ret && smu->smu_baco.state == SMU_BACO_STATE_EXIT) + ret = smu_v13_0_disable_pmfw_state(smu); + break; default: /* Ignore others */ @@ -2524,14 +2530,20 @@ static int smu_v13_0_7_baco_enter(struct smu_context *smu) static int smu_v13_0_7_baco_exit(struct smu_context *smu) { struct amdgpu_device *adev = smu->adev; + int ret; if (adev->in_runpm && smu_cmn_is_audio_func_enabled(adev)) { /* Wait for PMFW handling for the Dstate change */ usleep_range(10000, 11000); - return smu_v13_0_baco_set_armd3_sequence(smu, BACO_SEQ_ULPS); + ret = smu_v13_0_baco_set_armd3_sequence(smu, BACO_SEQ_ULPS); } else { - return smu_v13_0_baco_exit(smu); + ret = smu_v13_0_baco_exit(smu); } + + if (!ret) + adev->gfx.is_poweron = false; + + return ret; } static bool smu_v13_0_7_is_mode1_reset_supported(struct smu_context *smu) -- 2.25.1