From: Lijo Lazar Date: Tue, 16 Dec 2025 06:07:11 +0000 (+0530) Subject: drm/amd/pm: Add message control for SMUv12 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=067e46a36bfc6897ebb0bd8a7f50ed98ca068ef2;p=thirdparty%2Fkernel%2Flinux.git drm/amd/pm: Add message control for SMUv12 Initialize smu message control in SMUv12 SOCs. Signed-off-by: Lijo Lazar Reviewed-by: Asad Kamal Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v12_0.h b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v12_0.h index 0886d8cffbd0..fd3937b08662 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v12_0.h +++ b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v12_0.h @@ -62,5 +62,8 @@ int smu_v12_0_set_driver_table_location(struct smu_context *smu); int smu_v12_0_get_vbios_bootup_values(struct smu_context *smu); +void smu_v12_0_init_msg_ctl(struct smu_context *smu, + const struct cmn2asic_msg_mapping *message_map); + #endif #endif diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c index c72ddef3fce5..7e41991f140e 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c @@ -1507,4 +1507,5 @@ void renoir_set_ppt_funcs(struct smu_context *smu) smu->param_reg = SOC15_REG_OFFSET(MP1, 0, mmMP1_SMN_C2PMSG_82); smu->msg_reg = SOC15_REG_OFFSET(MP1, 0, mmMP1_SMN_C2PMSG_66); smu->resp_reg = SOC15_REG_OFFSET(MP1, 0, mmMP1_SMN_C2PMSG_90); + smu_v12_0_init_msg_ctl(smu, renoir_message_map); } diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu12/smu_v12_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu12/smu_v12_0.c index 942bc3b0f700..2c20624caca4 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu12/smu_v12_0.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu12/smu_v12_0.c @@ -405,3 +405,20 @@ int smu_v12_0_get_vbios_bootup_values(struct smu_context *smu) return 0; } + +void smu_v12_0_init_msg_ctl(struct smu_context *smu, + const struct cmn2asic_msg_mapping *message_map) +{ + struct amdgpu_device *adev = smu->adev; + struct smu_msg_ctl *ctl = &smu->msg_ctl; + + ctl->smu = smu; + mutex_init(&ctl->lock); + ctl->config.msg_reg = SOC15_REG_OFFSET(MP1, 0, mmMP1_SMN_C2PMSG_66); + ctl->config.resp_reg = SOC15_REG_OFFSET(MP1, 0, mmMP1_SMN_C2PMSG_90); + ctl->config.arg_regs[0] = SOC15_REG_OFFSET(MP1, 0, mmMP1_SMN_C2PMSG_82); + ctl->config.num_arg_regs = 1; + ctl->ops = &smu_msg_v1_ops; + ctl->default_timeout = adev->usec_timeout * 20; + ctl->message_map = message_map; +}