From: Evan Quan <[email protected]> PMFW may boots those ASICs with DC mode. Need to set it back to AC mode.
Signed-off-by: Evan Quan <[email protected]> Signed-off-by: Alex Deucher <[email protected]> --- drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) 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); -- 2.25.1 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
