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| author | Huang Rui | 2018-12-05 05:01:09 +0100 |
|---|---|---|
| committer | Alex Deucher | 2019-03-19 21:03:54 +0100 |
| commit | fad3ecf2359b564fa6e3ef7e87f44dd17947ab82 (patch) | |
| tree | fd3ab0c33b7793bd3db79f869ec35a4bcf5708b5 /drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | |
| parent | drm/amd/powerplay: add interfaces for smu resume (diff) | |
| download | kernel-qcow2-linux-fad3ecf2359b564fa6e3ef7e87f44dd17947ab82.tar.gz kernel-qcow2-linux-fad3ecf2359b564fa6e3ef7e87f44dd17947ab82.tar.xz kernel-qcow2-linux-fad3ecf2359b564fa6e3ef7e87f44dd17947ab82.zip | |
drm/amd/powerplay: add resume sequence placeholder for smu ip block
This patch adds resume sequence placeholder for smu ip block.
Signed-off-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/amdgpu_smu.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index e0a5597cf6c4..a6f19b525420 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -311,13 +311,50 @@ static int smu_resume(void *handle) if (adev->asic_type < CHIP_VEGA20) return -EINVAL; + pr_info("SMU is resuming...\n"); + + if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) { + ret = smu_load_microcode(smu); + if (ret) + return ret; + } + + ret = smu_check_fw_status(smu); + if (ret) { + pr_err("SMC firmware status is not correct\n"); + return ret; + } + mutex_lock(&smu->mutex); - /* TODO */ + ret = smu_set_tool_table_location(smu); + if (ret) + goto failed; + + ret = smu_write_pptable(smu); + if (ret) + goto failed; + + ret = smu_write_watermarks_table(smu); + if (ret) + goto failed; + + ret = smu_set_last_dcef_min_deep_sleep_clk(smu); + if (ret) + goto failed; + + ret = smu_system_features_control(smu, true); + if (ret) + goto failed; mutex_unlock(&smu->mutex); + pr_info("SMU is resumed successfully!\n"); + return 0; +failed: + mutex_unlock(&smu->mutex); + return ret; } static int smu_set_clockgating_state(void *handle, |