From 5337aae9b5dbf1a166b27ddc874f724a77a36fe8 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 15 Oct 2019 14:27:01 -0400 Subject: [PATCH] drm/amdgpu/soc15: add support for baco reset with swSMU Add support for vega20 when the swSMU path is used. Reviewed-by: Evan Quan Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/soc15.c | 55 ++++++++++++++++++++++++-------------- 1 file changed, 35 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c index 86bc4cb..9be0168 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -478,44 +478,59 @@ static int soc15_asic_mode1_reset(struct amdgpu_device *adev) static int soc15_asic_get_baco_capability(struct amdgpu_device *adev, bool *cap) { - void *pp_handle = adev->powerplay.pp_handle; - const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; + if (is_support_sw_smu(adev)) { + struct smu_context *smu = &adev->smu; - if (!pp_funcs || !pp_funcs->get_asic_baco_capability) { - *cap = false; - return -ENOENT; - } + *cap = smu_baco_is_support(smu); + return 0; + } else { + void *pp_handle = adev->powerplay.pp_handle; + const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; - return pp_funcs->get_asic_baco_capability(pp_handle, cap); + if (!pp_funcs || !pp_funcs->get_asic_baco_capability) { + *cap = false; + return -ENOENT; + } + + return pp_funcs->get_asic_baco_capability(pp_handle, cap); + } } static int soc15_asic_baco_reset(struct amdgpu_device *adev) { - void *pp_handle = adev->powerplay.pp_handle; - const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; struct amdgpu_ras *ras = amdgpu_ras_get_context(adev); - if (!pp_funcs ||!pp_funcs->get_asic_baco_state ||!pp_funcs->set_asic_baco_state) - return -ENOENT; - /* avoid NBIF got stuck when do RAS recovery in BACO reset */ if (ras && ras->supported) adev->nbio.funcs->enable_doorbell_interrupt(adev, false); - /* enter BACO state */ - if (pp_funcs->set_asic_baco_state(pp_handle, 1)) - return -EIO; + dev_info(adev->dev, "GPU BACO reset\n"); + + if (is_support_sw_smu(adev)) { + struct smu_context *smu = &adev->smu; + + if (smu_baco_reset(smu)) + return -EIO; + } else { + void *pp_handle = adev->powerplay.pp_handle; + const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; + + if (!pp_funcs ||!pp_funcs->get_asic_baco_state ||!pp_funcs->set_asic_baco_state) + return -ENOENT; - /* exit BACO state */ - if (pp_funcs->set_asic_baco_state(pp_handle, 0)) - return -EIO; + /* enter BACO state */ + if (pp_funcs->set_asic_baco_state(pp_handle, 1)) + return -EIO; + + /* exit BACO state */ + if (pp_funcs->set_asic_baco_state(pp_handle, 0)) + return -EIO; + } /* re-enable doorbell interrupt after BACO exit */ if (ras && ras->supported) adev->nbio.funcs->enable_doorbell_interrupt(adev, true); - dev_info(adev->dev, "GPU BACO reset\n"); - return 0; } -- 2.7.4