drm/amdgpu: remove mclk_lock
Not needed any more. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
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8dacc127fc
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e176fe176d
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@ -1558,8 +1558,6 @@ struct amdgpu_dpm {
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struct amdgpu_pm {
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struct amdgpu_pm {
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struct mutex mutex;
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struct mutex mutex;
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/* write locked while reprogramming mclk */
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struct rw_semaphore mclk_lock;
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u32 current_sclk;
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u32 current_sclk;
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u32 current_mclk;
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u32 current_mclk;
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u32 default_sclk;
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u32 default_sclk;
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@ -1401,7 +1401,6 @@ int amdgpu_device_init(struct amdgpu_device *adev,
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mutex_init(&adev->gfx.gpu_clock_mutex);
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mutex_init(&adev->gfx.gpu_clock_mutex);
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mutex_init(&adev->srbm_mutex);
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mutex_init(&adev->srbm_mutex);
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mutex_init(&adev->grbm_idx_mutex);
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mutex_init(&adev->grbm_idx_mutex);
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init_rwsem(&adev->pm.mclk_lock);
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init_rwsem(&adev->exclusive_lock);
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init_rwsem(&adev->exclusive_lock);
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mutex_init(&adev->mn_lock);
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mutex_init(&adev->mn_lock);
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hash_init(adev->mn_hash);
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hash_init(adev->mn_hash);
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@ -272,11 +272,9 @@ int amdgpu_bo_create_restricted(struct amdgpu_device *adev,
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bo->flags = flags;
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bo->flags = flags;
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amdgpu_fill_placement_to_bo(bo, placement);
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amdgpu_fill_placement_to_bo(bo, placement);
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/* Kernel allocation are uninterruptible */
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/* Kernel allocation are uninterruptible */
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down_read(&adev->pm.mclk_lock);
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r = ttm_bo_init(&adev->mman.bdev, &bo->tbo, size, type,
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r = ttm_bo_init(&adev->mman.bdev, &bo->tbo, size, type,
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&bo->placement, page_align, !kernel, NULL,
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&bo->placement, page_align, !kernel, NULL,
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acc_size, sg, NULL, &amdgpu_ttm_bo_destroy);
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acc_size, sg, NULL, &amdgpu_ttm_bo_destroy);
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up_read(&adev->pm.mclk_lock);
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if (unlikely(r != 0)) {
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if (unlikely(r != 0)) {
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return r;
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return r;
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}
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}
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@ -581,7 +581,6 @@ force:
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}
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}
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mutex_lock(&adev->ddev->struct_mutex);
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mutex_lock(&adev->ddev->struct_mutex);
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down_write(&adev->pm.mclk_lock);
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mutex_lock(&adev->ring_lock);
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mutex_lock(&adev->ring_lock);
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/* update whether vce is active */
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/* update whether vce is active */
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@ -629,7 +628,6 @@ force:
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done:
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done:
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mutex_unlock(&adev->ring_lock);
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mutex_unlock(&adev->ring_lock);
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up_write(&adev->pm.mclk_lock);
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mutex_unlock(&adev->ddev->struct_mutex);
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mutex_unlock(&adev->ddev->struct_mutex);
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}
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}
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@ -966,52 +966,20 @@ void amdgpu_ttm_set_active_vram_size(struct amdgpu_device *adev, u64 size)
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man->size = size >> PAGE_SHIFT;
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man->size = size >> PAGE_SHIFT;
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}
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}
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static struct vm_operations_struct amdgpu_ttm_vm_ops;
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static const struct vm_operations_struct *ttm_vm_ops = NULL;
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static int amdgpu_ttm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
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{
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struct ttm_buffer_object *bo;
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struct amdgpu_device *adev;
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int r;
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bo = (struct ttm_buffer_object *)vma->vm_private_data;
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if (bo == NULL) {
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return VM_FAULT_NOPAGE;
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}
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adev = amdgpu_get_adev(bo->bdev);
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down_read(&adev->pm.mclk_lock);
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r = ttm_vm_ops->fault(vma, vmf);
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up_read(&adev->pm.mclk_lock);
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return r;
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}
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int amdgpu_mmap(struct file *filp, struct vm_area_struct *vma)
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int amdgpu_mmap(struct file *filp, struct vm_area_struct *vma)
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{
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{
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struct drm_file *file_priv;
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struct drm_file *file_priv;
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struct amdgpu_device *adev;
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struct amdgpu_device *adev;
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int r;
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if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET)) {
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if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET))
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return -EINVAL;
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return -EINVAL;
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}
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file_priv = filp->private_data;
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file_priv = filp->private_data;
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adev = file_priv->minor->dev->dev_private;
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adev = file_priv->minor->dev->dev_private;
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if (adev == NULL) {
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if (adev == NULL)
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return -EINVAL;
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return -EINVAL;
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}
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r = ttm_bo_mmap(filp, vma, &adev->mman.bdev);
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return ttm_bo_mmap(filp, vma, &adev->mman.bdev);
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if (unlikely(r != 0)) {
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return r;
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}
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if (unlikely(ttm_vm_ops == NULL)) {
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ttm_vm_ops = vma->vm_ops;
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amdgpu_ttm_vm_ops = *ttm_vm_ops;
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amdgpu_ttm_vm_ops.fault = &amdgpu_ttm_fault;
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}
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vma->vm_ops = &amdgpu_ttm_vm_ops;
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return 0;
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}
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}
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int amdgpu_copy_buffer(struct amdgpu_ring *ring,
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int amdgpu_copy_buffer(struct amdgpu_ring *ring,
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