Currently we track the refcount on ras block object for features by checking `if (obj && amdgpu_ras_is_feature_enabled(adev, head))`, which is a little unreliable. So introduce a dedicated flag to track the reference count. Signed-off-by: Jiang Liu <gerry@xxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 ++ drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 9 +++++++-- 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 2ef7d3102be3..fa19c5391d8c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -378,6 +378,8 @@ enum amdgpu_marker { AMDGPU_MARKER_IRQ6 = 6, AMDGPU_MARKER_IRQ7 = 7, AMDGPU_MARKER_IRQ_MAX = 47, + // used for ras blocks + AMDGPU_MARKER_RAS_FEATURE = 62, AMDGPU_MARKER_RAS_DEBUGFS = 63, }; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index 5e8838ffccaa..41978116b92b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -774,15 +774,20 @@ static int __amdgpu_ras_feature_enable(struct amdgpu_device *adev, obj = amdgpu_ras_create_obj(adev, head); if (!obj) return -EINVAL; - } else { + amdgpu_ras_set_marker(adev, head, AMDGPU_MARKER_RAS_FEATURE); + } else if (!amdgpu_ras_test_marker(adev, head, + AMDGPU_MARKER_RAS_FEATURE)) { /* In case we create obj somewhere else */ get_obj(obj); + amdgpu_ras_set_marker(adev, head, AMDGPU_MARKER_RAS_FEATURE); } con->features |= BIT(head->block); } else { if (obj && amdgpu_ras_is_feature_enabled(adev, head)) { con->features &= ~BIT(head->block); - put_obj(obj); + if (amdgpu_ras_test_and_clear_marker(adev, head, + AMDGPU_MARKER_RAS_FEATURE)) + put_obj(obj); } } -- 2.43.5