From: Jiadong Zhu Date: Fri, 27 Sep 2024 09:55:26 +0000 (+0800) Subject: drm/amd/pm: implement dpm sdma reset function X-Git-Tag: v6.14-rc1~174^2~14^2~195 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=610696505c3a2875f2863a5adc899ec2b0203180;p=thirdparty%2Fkernel%2Flinux.git drm/amd/pm: implement dpm sdma reset function Implement sdma soft reset by sending MSG_ResetSDMA on smu 13.0.6. v2: Add firmware version for the reset message. v3: Add ip version check. Print inst_mask on failure. Signed-off-by: Jiadong Zhu Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c index 9dc82f4d7c937..9e7a652d119bc 100644 --- a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c +++ b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c @@ -700,6 +700,21 @@ int amdgpu_dpm_send_rma_reason(struct amdgpu_device *adev) return ret; } +int amdgpu_dpm_reset_sdma(struct amdgpu_device *adev, uint32_t inst_mask) +{ + struct smu_context *smu = adev->powerplay.pp_handle; + int ret; + + if (!is_support_sw_smu(adev)) + return -EOPNOTSUPP; + + mutex_lock(&adev->pm.mutex); + ret = smu_reset_sdma(smu, inst_mask); + mutex_unlock(&adev->pm.mutex); + + return ret; +} + int amdgpu_dpm_get_dpm_freq_range(struct amdgpu_device *adev, enum pp_clock_type type, uint32_t *min, diff --git a/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h b/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h index 363af8990aa25..b64aea7cd1889 100644 --- a/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h +++ b/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h @@ -601,5 +601,6 @@ int amdgpu_dpm_set_pm_policy(struct amdgpu_device *adev, int policy_type, int policy_level); ssize_t amdgpu_dpm_get_pm_policy_info(struct amdgpu_device *adev, enum pp_pm_policy p_type, char *buf); +int amdgpu_dpm_reset_sdma(struct amdgpu_device *adev, uint32_t inst_mask); #endif diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c index 21bd635bcdfc1..6d22c7783898b 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c @@ -3895,3 +3895,13 @@ int smu_send_rma_reason(struct smu_context *smu) return ret; } + +int smu_reset_sdma(struct smu_context *smu, uint32_t inst_mask) +{ + int ret = 0; + + if (smu->ppt_funcs && smu->ppt_funcs->reset_sdma) + ret = smu->ppt_funcs->reset_sdma(smu, inst_mask); + + return ret; +} 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 3925815358ce9..c73f84cb51119 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h @@ -1372,6 +1372,11 @@ struct pptable_funcs { */ int (*send_rma_reason)(struct smu_context *smu); + /** + * @reset_sdma: message SMU to soft reset sdma instance. + */ + int (*reset_sdma)(struct smu_context *smu, uint32_t inst_mask); + /** * @get_ecc_table: message SMU to get ECC INFO table. */ @@ -1631,6 +1636,7 @@ void amdgpu_smu_stb_debug_fs_init(struct amdgpu_device *adev); int smu_send_hbm_bad_pages_num(struct smu_context *smu, uint32_t size); int smu_send_hbm_bad_channel_flag(struct smu_context *smu, uint32_t size); int smu_send_rma_reason(struct smu_context *smu); +int smu_reset_sdma(struct smu_context *smu, uint32_t inst_mask); int smu_set_pm_policy(struct smu_context *smu, enum pp_pm_policy p_type, int level); ssize_t smu_get_pm_policy_info(struct smu_context *smu, diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h index a299dc4a80714..e4cd6a0d13dad 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h +++ b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h @@ -275,7 +275,8 @@ __SMU_DUMMY_MAP(RmaDueToBadPageThreshold), \ __SMU_DUMMY_MAP(SelectPstatePolicy), \ __SMU_DUMMY_MAP(MALLPowerController), \ - __SMU_DUMMY_MAP(MALLPowerState), + __SMU_DUMMY_MAP(MALLPowerState), \ + __SMU_DUMMY_MAP(ResetSDMA), #undef __SMU_DUMMY_MAP #define __SMU_DUMMY_MAP(type) SMU_MSG_##type diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c index ab3c93ddce46f..8344f54e6674b 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c @@ -193,6 +193,7 @@ static const struct cmn2asic_msg_mapping smu_v13_0_6_message_map[SMU_MSG_MAX_COU MSG_MAP(SelectPLPDMode, PPSMC_MSG_SelectPLPDMode, 0), MSG_MAP(RmaDueToBadPageThreshold, PPSMC_MSG_RmaDueToBadPageThreshold, 0), MSG_MAP(SelectPstatePolicy, PPSMC_MSG_SelectPstatePolicy, 0), + MSG_MAP(ResetSDMA, PPSMC_MSG_ResetSDMA, 0), }; // clang-format on @@ -2716,6 +2717,27 @@ static int smu_v13_0_6_send_rma_reason(struct smu_context *smu) return ret; } +static int smu_v13_0_6_reset_sdma(struct smu_context *smu, uint32_t inst_mask) +{ + struct amdgpu_device *adev = smu->adev; + int ret = 0; + + /* the message is only valid on SMU 13.0.6 with pmfw 85.121.00 and above */ + if ((adev->flags & AMD_IS_APU) || + amdgpu_ip_version(adev, MP1_HWIP, 0) != IP_VERSION(13, 0, 6) || + smu->smc_fw_version < 0x00557900) + return 0; + + ret = smu_cmn_send_smc_msg_with_param(smu, + SMU_MSG_ResetSDMA, inst_mask, NULL); + if (ret) + dev_err(smu->adev->dev, + "failed to send ResetSDMA event with mask 0x%x\n", + inst_mask); + + return ret; +} + static int mca_smu_set_debug_mode(struct amdgpu_device *adev, bool enable) { struct smu_context *smu = adev->powerplay.pp_handle; @@ -3385,6 +3407,7 @@ static const struct pptable_funcs smu_v13_0_6_ppt_funcs = { .i2c_fini = smu_v13_0_6_i2c_control_fini, .send_hbm_bad_pages_num = smu_v13_0_6_smu_send_hbm_bad_page_num, .send_rma_reason = smu_v13_0_6_send_rma_reason, + .reset_sdma = smu_v13_0_6_reset_sdma, }; void smu_v13_0_6_set_ppt_funcs(struct smu_context *smu)