It avoids duplicated code and allows to output a warning. --- v4: move check inside the existing if (enable) test ---
Signed-off-by: Pierre-Eric Pelloux-Prayer <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 13 ++++--------- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 5 +++++ 2 files changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 54f7c81f287b..7167db54d722 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3309,9 +3309,7 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev) if (r) goto init_failed; - if (adev->mman.buffer_funcs_ring && - adev->mman.buffer_funcs_ring->sched.ready) - amdgpu_ttm_set_buffer_funcs_status(adev, true); + amdgpu_ttm_set_buffer_funcs_status(adev, true); /* Don't init kfd if whole hive need to be reset during init */ if (adev->init_lvl->level != AMDGPU_INIT_LEVEL_MINIMAL_XGMI) { @@ -4191,8 +4189,7 @@ static int amdgpu_device_ip_resume(struct amdgpu_device *adev) r = amdgpu_device_ip_resume_phase2(adev); - if (adev->mman.buffer_funcs_ring->sched.ready) - amdgpu_ttm_set_buffer_funcs_status(adev, true); + amdgpu_ttm_set_buffer_funcs_status(adev, true); if (r) return r; @@ -5321,8 +5318,7 @@ int amdgpu_device_suspend(struct drm_device *dev, bool notify_clients) return 0; unwind_evict: - if (adev->mman.buffer_funcs_ring->sched.ready) - amdgpu_ttm_set_buffer_funcs_status(adev, true); + amdgpu_ttm_set_buffer_funcs_status(adev, true); amdgpu_fence_driver_hw_init(adev); unwind_userq: @@ -6050,8 +6046,7 @@ int amdgpu_device_reinit_after_reset(struct amdgpu_reset_context *reset_context) if (r) goto out; - if (tmp_adev->mman.buffer_funcs_ring->sched.ready) - amdgpu_ttm_set_buffer_funcs_status(tmp_adev, true); + amdgpu_ttm_set_buffer_funcs_status(tmp_adev, true); r = amdgpu_device_ip_resume_phase3(tmp_adev); if (r) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index ad53789d0e2b..ef68c5f706d2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -2223,6 +2223,11 @@ u32 amdgpu_ttm_set_buffer_funcs_status(struct amdgpu_device *adev, bool enable) struct amdgpu_ring *ring; struct drm_gpu_scheduler *sched; + if (!adev->mman.buffer_funcs_ring || !adev->mman.buffer_funcs_ring->sched.ready) { + dev_warn(adev->dev, "Not enabling DMA transfers for in kernel use"); + return 0; + } + ring = adev->mman.buffer_funcs_ring; sched = &ring->sched; r = drm_sched_entity_init(&adev->mman.default_entity.base, -- 2.43.0
