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drm/amdgpu/powerplay: add Renoir VCN power management

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Thus VCN can be powered up for normal operations

Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Aaron Liu <aaron.liu@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Leo Liu 2019-08-08 15:21:44 -05:00 • committed by Alex Deucher
parent 51548c0fe3
commit 4a6296680b
3 changed files with 21 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

8
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
View file

@ -1268,8 +1268,10 @@ static int smu_hw_init(void *handle)
return ret;
}
if (adev->asic_type == CHIP_RENOIR)
if (adev->asic_type == CHIP_RENOIR) {
smu_powergate_sdma(&adev->smu, false);
smu_powergate_vcn(&adev->smu, false);
}
if (!smu->pm_enabled)
return 0;
@ -1322,8 +1324,10 @@ static int smu_hw_fini(void *handle)
struct smu_table_context *table_context = &smu->smu_table;
int ret = 0;
if (adev->asic_type == CHIP_RENOIR)
if (adev->asic_type == CHIP_RENOIR) {
smu_powergate_sdma(&adev->smu, true);
smu_powergate_vcn(&adev->smu, true);
}
kfree(table_context->driver_pptable);
table_context->driver_pptable = NULL;

3
drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
View file

@ -474,6 +474,7 @@ struct smu_funcs
int (*populate_smc_pptable)(struct smu_context *smu);
int (*check_fw_version)(struct smu_context *smu);
int (*powergate_sdma)(struct smu_context *smu, bool gate);
int (*powergate_vcn)(struct smu_context *smu, bool gate);
int (*write_pptable)(struct smu_context *smu);
int (*set_min_dcef_deep_sleep)(struct smu_context *smu);
int (*set_tool_table_location)(struct smu_context *smu);
@ -552,6 +553,8 @@ struct smu_funcs
((smu)->funcs->setup_pptable ? (smu)->funcs->setup_pptable((smu)) : 0)
#define smu_powergate_sdma(smu, gate) \
((smu)->funcs->powergate_sdma ? (smu)->funcs->powergate_sdma((smu), (gate)) : 0)
#define smu_powergate_vcn(smu, gate) \
((smu)->funcs->powergate_vcn ? (smu)->funcs->powergate_vcn((smu), (gate)) : 0)
#define smu_get_vbios_bootup_values(smu) \
((smu)->funcs->get_vbios_bootup_values ? (smu)->funcs->get_vbios_bootup_values((smu)) : 0)
#define smu_get_clk_info_from_vbios(smu) \

12
drivers/gpu/drm/amd/powerplay/smu_v12_0.c
View file

@ -172,10 +172,22 @@ static int smu_v12_0_powergate_sdma(struct smu_context *smu, bool gate)
return smu_send_smc_msg(smu, SMU_MSG_PowerUpSdma);
}
static int smu_v12_0_powergate_vcn(struct smu_context *smu, bool gate)
{
if (!(smu->adev->flags & AMD_IS_APU))
return 0;
if (gate)
return smu_send_smc_msg(smu, SMU_MSG_PowerDownVcn);
else
return smu_send_smc_msg(smu, SMU_MSG_PowerUpVcn);
}
static const struct smu_funcs smu_v12_0_funcs = {
.check_fw_status = smu_v12_0_check_fw_status,
.check_fw_version = smu_v12_0_check_fw_version,
.powergate_sdma = smu_v12_0_powergate_sdma,
.powergate_vcn = smu_v12_0_powergate_vcn,
.send_smc_msg = smu_v12_0_send_msg,
.send_smc_msg_with_param = smu_v12_0_send_msg_with_param,
.read_smc_arg = smu_v12_0_read_arg,