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drm/amdgpu/soc15: add support for baco reset with swSMU

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Add support for vega20 when the swSMU path is used.

Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2019-10-15 14:27:01 -04:00
parent 31fa2991f4
commit 5337aae9b5
1 changed files with 35 additions and 20 deletions
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55
drivers/gpu/drm/amd/amdgpu/soc15.c
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@ -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;
if (!pp_funcs || !pp_funcs->get_asic_baco_capability) {
*cap = false;
return -ENOENT;
}
return pp_funcs->get_asic_baco_capability(pp_handle, cap);
}
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");
/* exit BACO state */
if (pp_funcs->set_asic_baco_state(pp_handle, 0))
return -EIO;
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;
/* 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;
}