diff options
| author | Mario Limonciello <mario.limonciello@amd.com> | 2025-07-24 22:12:21 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-08-04 15:37:05 -0400 |
| commit | ed4efe426a49729952b3dc05d20e33b94409bdd1 (patch) | |
| tree | 864aa551fae3b882bf2f0e828bb096ec5ab9b436 /drivers/gpu | |
| parent | drm/amdgpu: Update external revid for GC v9.5.0 (diff) | |
| download | linux-ed4efe426a49729952b3dc05d20e33b94409bdd1.tar.gz linux-ed4efe426a49729952b3dc05d20e33b94409bdd1.zip | |
drm/amd: Restore cached power limit during resume
The power limit will be cached in smu->current_power_limit but
if the ASIC goes into S3 this value won't be restored.
Restore the value during SMU resume.
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://lore.kernel.org/r/20250725031222.3015095-2-superm1@kernel.org
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 26a609e053a6fc494403e95403bc6a2470383bec)
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c index 756afe78a6e5..310f51ff05b9 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c @@ -2226,6 +2226,12 @@ static int smu_resume(struct amdgpu_ip_block *ip_block) adev->pm.dpm_enabled = true; + if (smu->current_power_limit) { + ret = smu_set_power_limit(smu, smu->current_power_limit); + if (ret && ret != -EOPNOTSUPP) + return ret; + } + dev_info(adev->dev, "SMU is resumed successfully!\n"); return 0; |