Is the resume failed, it's unlikely that the GPU will be usable. Reset the ASIC in hopes that it will be able to recover from the problem. Link: https://lore.kernel.org/stable/MN0PR12MB6101FA3FF375A961E67AE89CE2D09@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx/T/#mf90fc5d39b02d4cf7d430a49d3b58243083042a7 Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx> --- This is RFC as it's conceptual, and we should wait for testing that it actually works. drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 3b9dc1803be9..4c2a0aea5a6b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -2333,6 +2333,13 @@ static int amdgpu_pmops_resume(struct device *dev) adev->no_hw_access = true; r = amdgpu_device_resume(drm_dev, true); + if (r) { + dev_err(adev->dev, "resume failed with %d; attempting to reset ASIC\n", r); + r = amdgpu_asic_reset(adev); + if (!r) + r = amdgpu_device_resume(drm_dev, true); + } + if (amdgpu_acpi_is_s0ix_active(adev)) adev->in_s0ix = false; else -- 2.34.1
