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drm/amdgpu/powerplay: add power up/down SDMA interfaces for renoir 

1.Implement PowerUpSDMA/PowerDownSDMA interfaces in the swSMU for renoir
2.adjust smu ip block ahead of gfx&sdma ip block

Signed-off-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:
Aaron Liu 2019-08-09 10:34:40 -05:00 committed by Alex Deucher
parent 5dbbe6a77d
commit 97222cfac7
4 changed files with 42 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/drm/amd/amdgpu/soc15.c
View File

@ -760,10 +760,10 @@ int soc15_set_ip_blocks(struct amdgpu_device *adev)
amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
amdgpu_device_ip_block_add(adev, &psp_v12_0_ip_block);
amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
if (is_support_sw_smu(adev))
amdgpu_device_ip_block_add(adev, &smu_v12_0_ip_block);
amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
amdgpu_device_ip_block_add(adev, &vcn_v2_0_ip_block);

6
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
View File

@ -1263,6 +1263,9 @@ static int smu_hw_init(void *handle)
return ret;
}
if (adev->asic_type == CHIP_RENOIR)
smu_powergate_sdma(&adev->smu, false);
if (!smu->pm_enabled)
return 0;
@ -1310,6 +1313,9 @@ 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)
smu_powergate_sdma(&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

@ -473,6 +473,7 @@ struct smu_funcs
int (*parse_pptable)(struct smu_context *smu);
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 (*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);
@ -549,6 +550,8 @@ struct smu_funcs
((smu)->funcs->check_fw_status ? (smu)->funcs->check_fw_status((smu)) : 0)
#define smu_setup_pptable(smu) \
((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_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) \

35
drivers/gpu/drm/amd/powerplay/smu_v12_0.c
View File

@ -101,7 +101,6 @@ static int
smu_v12_0_send_msg_with_param(struct smu_context *smu, uint16_t msg,
uint32_t param)
{
struct amdgpu_device *adev = smu->adev;
int ret = 0, index = 0;
@ -128,27 +127,55 @@ smu_v12_0_send_msg_with_param(struct smu_context *smu, uint16_t msg,
return ret;
}
static int smu_v12_0_check_fw_status(struct smu_context *smu)
{
struct amdgpu_device *adev = smu->adev;
uint32_t mp1_fw_flags;
mp1_fw_flags = RREG32_PCIE(MP1_Public |
(smnMP1_FIRMWARE_FLAGS & 0xffffffff));
if ((mp1_fw_flags & MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED_MASK) >>
MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED__SHIFT)
return 0;
return -EIO;
}
static int smu_v12_0_check_fw_version(struct smu_context *smu)
{
uint32_t smu_version = 0xff;
uint32_t smc_if_version = 0xff;
int ret = 0;
ret = smu_send_smc_msg(smu, SMU_MSG_GetDriverIfVersion);
if (ret)
goto err;
ret = smu_read_smc_arg(smu, &smu_version);
ret = smu_read_smc_arg(smu, &smc_if_version);
if (ret)
goto err;
if (smu_version != smu->smc_if_version)
if (smc_if_version != smu->smc_if_version)
ret = -EINVAL;
err:
return ret;
}
static int smu_v12_0_powergate_sdma(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_PowerDownSdma);
else
return smu_send_smc_msg(smu, SMU_MSG_PowerUpSdma);
}
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,
.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,