From: Lijo Lazar Date: Thu, 8 Jan 2026 04:24:59 +0000 (+0530) Subject: drm/amd/pm: Add message control for SMUv15 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=34199fde4a8604d9d3ad2d939c5eed530460cc79;p=thirdparty%2Fkernel%2Flinux.git drm/amd/pm: Add message control for SMUv15 Initialize smu message control in SMUv15 SOCs. Signed-off-by: Lijo Lazar Reviewed-by: Asad Kamal Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_0_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_0_ppt.c index 05d4e8d293ea..bbde9ade02ac 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_0_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_0_ppt.c @@ -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); }