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drm/amd/pm: Add message control for SMUv12

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Initialize smu message control in SMUv12 SOCs.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar 2025-12-16 11:37:11 +05:30 committed by Alex Deucher
parent 6d74c9ff6a
commit 067e46a36b
3 changed files with 21 additions and 0 deletions
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3
drivers/gpu/drm/amd/pm/swsmu/inc/smu_v12_0.h
View File

@ -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

1
drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c
View File

@ -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);
}

17
drivers/gpu/drm/amd/pm/swsmu/smu12/smu_v12_0.c
View File

@ -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;
}