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drm/amd/powerplay: handle features disablement for baco reset in SMU FW

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SMU FW will handle the features disablement for baco reset
on Arcturus.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan
2020-02-06 11:09:25 +08:00
committed by Alex Deucher
parent 86b93fd62d
commit 4a6f8f01ef
1 changed files with 45 additions and 14 deletions
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59
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
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@@ -1454,12 +1454,54 @@ int smu_reset(struct smu_context *smu)
return ret;
}
static int smu_disabled_dpms(struct smu_context *smu)
{
struct amdgpu_device *adev = smu->adev;
uint32_t smu_version;
int ret = 0;
ret = smu_get_smc_version(smu, NULL, &smu_version);
if (ret) {
pr_err("Failed to get smu version.\n");
return ret;
}
/*
* For baco reset on Arcturus, this operation
* (disable all smu feature) will be handled by SMU FW.
*/
if (adev->in_gpu_reset &&
(amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) &&
(adev->asic_type == CHIP_ARCTURUS && smu_version > 0x360e00))
return 0;
/* Disable all enabled SMU features */
ret = smu_system_features_control(smu, false);
if (ret) {
pr_err("Failed to disable smu features.\n");
return ret;
}
/* For baco reset, need to leave BACO feature enabled */
if (adev->in_gpu_reset &&
(amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) &&
!smu->is_apu &&
smu_feature_is_enabled(smu, SMU_FEATURE_BACO_BIT)) {
ret = smu_feature_set_enabled(smu, SMU_FEATURE_BACO_BIT, true);
if (ret) {
pr_warn("set BACO feature enabled failed, return %d\n", ret);
return ret;
}
}
return ret;
}
static int smu_suspend(void *handle)
{
int ret;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct smu_context *smu = &adev->smu;
bool baco_feature_is_enabled = false;
int ret;
if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev))
return 0;
@@ -1467,21 +1509,10 @@ static int smu_suspend(void *handle)
if (!smu->pm_enabled)
return 0;
if(!smu->is_apu)
baco_feature_is_enabled = smu_feature_is_enabled(smu, SMU_FEATURE_BACO_BIT);
if(!amdgpu_sriov_vf(adev)) {
ret = smu_system_features_control(smu, false);
ret = smu_disabled_dpms(smu);
if (ret)
return ret;
if (baco_feature_is_enabled) {
ret = smu_feature_set_enabled(smu, SMU_FEATURE_BACO_BIT, true);
if (ret) {
pr_warn("set BACO feature enabled failed, return %d\n", ret);
return ret;
}
}
}
smu->watermarks_bitmap &= ~(WATERMARKS_LOADED);