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drm/amdgpu: enable hibernate support on Navi1X

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BACO is needed to support hibernate on Navi1X.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Evan Quan 2020-05-07 18:17:55 +08:00 committed by Alex Deucher
parent 39b3128d7f
commit b2b6290a23
3 changed files with 4 additions and 1 deletions
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1
drivers/gpu/drm/amd/amdgpu/amdgpu.h
View file

@ -945,6 +945,7 @@ struct amdgpu_device {
/* s3/s4 mask */
bool in_suspend;
bool in_hibernate;
/* record last mm index being written through WREG32*/
unsigned long last_mm_index;

2
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
View file

@ -1181,7 +1181,9 @@ static int amdgpu_pmops_freeze(struct device *dev)
struct amdgpu_device *adev = drm_dev->dev_private;
int r;
adev->in_hibernate = true;
r = amdgpu_device_suspend(drm_dev, true);
adev->in_hibernate = false;
if (r)
return r;
return amdgpu_asic_reset(adev);

2
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
View file

@ -1476,7 +1476,7 @@ static int smu_disable_dpm(struct smu_context *smu)
bool use_baco = !smu->is_apu &&
((adev->in_gpu_reset &&
(amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO)) ||
(adev->in_runpm && amdgpu_asic_supports_baco(adev)));
((adev->in_runpm || adev->in_hibernate) && amdgpu_asic_supports_baco(adev)));
ret = smu_get_smc_version(smu, NULL, &smu_version);
if (ret) {