Hey Alex, any objections that I merge those two patches through drm-misc-next?
It's a cleanup I wanted to do for years and Thomas finally fixed up TTM for this.
Cheers, Christian. Am 07.11.19 um 13:01 schrieb Christian König:
From: Christian König <ckoenig.leichtzumer...@gmail.com> Finally clean up the VMA setup for radeon now that TTM exports the necessary functions. No functional change, but only compile tested. Signed-off-by: Christian König <christian.koe...@amd.com> Reviewed-by: Huang Rui <ray.hu...@amd.com> --- drivers/gpu/drm/radeon/radeon_ttm.c | 29 ++++++++++++++--------------- 1 file changed, 14 insertions(+), 15 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c index 098bc9f40b98..91993a233cb0 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -881,9 +881,6 @@ void radeon_ttm_set_active_vram_size(struct radeon_device *rdev, u64 size) man->size = size >> PAGE_SHIFT; }-static struct vm_operations_struct radeon_ttm_vm_ops;-static const struct vm_operations_struct *ttm_vm_ops = NULL; - static vm_fault_t radeon_ttm_fault(struct vm_fault *vmf) { struct ttm_buffer_object *bo; @@ -891,34 +888,36 @@ static vm_fault_t radeon_ttm_fault(struct vm_fault *vmf) vm_fault_t ret;bo = (struct ttm_buffer_object *)vmf->vma->vm_private_data;- if (bo == NULL) { + if (bo == NULL) return VM_FAULT_NOPAGE; - } + rdev = radeon_get_rdev(bo->bdev); down_read(&rdev->pm.mclk_lock); - ret = ttm_vm_ops->fault(vmf); + ret = ttm_bo_vm_fault(vmf); up_read(&rdev->pm.mclk_lock); return ret; }+static struct vm_operations_struct radeon_ttm_vm_ops = {+ .fault = radeon_ttm_fault, + .open = ttm_bo_vm_open, + .close = ttm_bo_vm_close, + .access = ttm_bo_vm_access +}; + int radeon_mmap(struct file *filp, struct vm_area_struct *vma) { int r; struct drm_file *file_priv = filp->private_data; struct radeon_device *rdev = file_priv->minor->dev->dev_private;- if (rdev == NULL) {+ if (rdev == NULL) return -EINVAL; - } + r = ttm_bo_mmap(filp, vma, &rdev->mman.bdev); - if (unlikely(r != 0)) { + if (unlikely(r != 0)) return r; - } - if (unlikely(ttm_vm_ops == NULL)) { - ttm_vm_ops = vma->vm_ops; - radeon_ttm_vm_ops = *ttm_vm_ops; - radeon_ttm_vm_ops.fault = &radeon_ttm_fault; - } + vma->vm_ops = &radeon_ttm_vm_ops; return 0; }
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