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drm/amdgpu: split swSMU baco_reset into enter and exit

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BACO - Bus Active, Chip Off

So we can use it for power savings rather than just reset.

Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher
2019-10-28 15:20:03 -04:00
parent b97e9d47e5
commit 11520f2708
9 changed files with 51 additions and 13 deletions
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7
drivers/gpu/drm/amd/amdgpu/nv.c
View File

@@ -353,7 +353,12 @@ static int nv_asic_reset(struct amdgpu_device *adev)
if (nv_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) {
if (!adev->in_suspend)
amdgpu_inc_vram_lost(adev);
ret = smu_baco_reset(smu);
ret = smu_baco_enter(smu);
if (ret)
return ret;
ret = smu_baco_exit(smu);
if (ret)
return ret;
} else {
if (!adev->in_suspend)
amdgpu_inc_vram_lost(adev);

10
drivers/gpu/drm/amd/amdgpu/soc15.c
View File

@@ -511,9 +511,15 @@ static int soc15_asic_baco_reset(struct amdgpu_device *adev)
if (is_support_sw_smu(adev)) {
struct smu_context *smu = &adev->smu;
int ret;
if (smu_baco_reset(smu))
return -EIO;
ret = smu_baco_enter(smu);
if (ret)
return ret;
ret = smu_baco_exit(smu);
if (ret)
return ret;
} else {
void *pp_handle = adev->powerplay.pp_handle;
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;