diff options
| author | Evan Quan <evan.quan@amd.com> | 2020-03-20 21:09:21 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-03-26 00:00:11 +0300 |
| commit | 66c2f5db1fbdc987d23149082720bcbe46f41aa2 (patch) | |
| tree | 57fe1a47d83c7fbea782f00ee94d4fab6ce198aa /drivers | |
| parent | fa34520c953b57a3ace3cfb3bfa3b3f1c8e0d414 (diff) | |
| download | linux-66c2f5db1fbdc987d23149082720bcbe46f41aa2.tar.xz | |
drm/amdgpu/swSMU: correct the bootup power source for Navi1X (v2)
PMFW may boots those ASICs with DC mode. Need to set it back
to AC mode.
v2: split from Evan's original patch (Alex)
Bug: https://gitlab.freedesktop.org/drm/amd/issues/1043
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index f6d4b0ef46ad..2cfb911ab370 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -1154,6 +1154,21 @@ static int smu_smc_table_hw_init(struct smu_context *smu, } } } + + if (adev->asic_type >= CHIP_NAVI10 && + adev->asic_type <= CHIP_NAVI12) { + /* + * For Navi1X, manually switch it to AC mode as PMFW + * may boot it with DC mode. + * TODO: should check whether we are indeed under AC + * mode before doing this. + */ + ret = smu_set_power_source(smu, SMU_POWER_SOURCE_AC); + if (ret) { + pr_err("Failed to switch to AC mode!\n"); + return ret; + } + } } if (adev->asic_type != CHIP_ARCTURUS) { ret = smu_notify_display_change(smu); |