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drm/amd/pm: Add message control for SMUv15

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Initialize smu message control in SMUv15 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 2026-01-08 09:54:59 +05:30 committed by Alex Deucher
parent 0d81c3982d
commit 34199fde4a
1 changed files with 17 additions and 0 deletions
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17
drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_0_ppt.c
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@ -1342,6 +1342,22 @@ static void smu_v15_0_0_set_smu_mailbox_registers(struct smu_context *smu)
smu->resp_reg = SOC15_REG_OFFSET(MP1, 0, mmMP1_SMN_C2PMSG_31);
}
static void smu_v15_0_0_init_msg_ctl(struct smu_context *smu)
{
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_30);
ctl->config.resp_reg = SOC15_REG_OFFSET(MP1, 0, mmMP1_SMN_C2PMSG_31);
ctl->config.arg_regs[0] = SOC15_REG_OFFSET(MP1, 0, mmMP1_SMN_C2PMSG_32);
ctl->config.num_arg_regs = 1;
ctl->ops = &smu_msg_v1_ops;
ctl->default_timeout = adev->usec_timeout * 20;
ctl->message_map = smu_v15_0_0_message_map;
}
void smu_v15_0_0_set_ppt_funcs(struct smu_context *smu)
{
@ -1352,4 +1368,5 @@ void smu_v15_0_0_set_ppt_funcs(struct smu_context *smu)
smu->is_apu = true;
smu_v15_0_0_set_smu_mailbox_registers(smu);
smu_v15_0_0_init_msg_ctl(smu);
}