diff options
| author | Hillf Danton <hdanton@sina.com> | 2020-08-23 07:32:42 +0800 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2020-09-22 18:49:51 +0300 |
| commit | 0db575350cb1a2fa724f0198fd40b2c91ace5cb7 (patch) | |
| tree | 0906990471642370183c101178c9818076c3b2b3 /drivers/misc/habanalabs/common/command_buffer.c | |
| parent | c5e0ec66f01d6621a64837428efcbbe731d90cd5 (diff) | |
habanalabs: make use of dma_mmap_coherent
Add dma_mmap_coherent() for goya and gaudi to match their use of
dma_alloc_coherent(), see the Link tag for why.
Link: https://lore.kernel.org/lkml/20200609091727.GA23814@lst.de/
Cc: Christoph Hellwig <hch@lst.de>
Cc: Zhang Li <li.zhang@bitmain.com>
Cc: Ding Z Nan <oshack@hotmail.com>
Signed-off-by: Hillf Danton <hdanton@sina.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/misc/habanalabs/common/command_buffer.c')
| -rw-r--r-- | drivers/misc/habanalabs/common/command_buffer.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/misc/habanalabs/common/command_buffer.c b/drivers/misc/habanalabs/common/command_buffer.c index 6563e4dfe7b6..ba63cee74050 100644 --- a/drivers/misc/habanalabs/common/command_buffer.c +++ b/drivers/misc/habanalabs/common/command_buffer.c @@ -300,7 +300,6 @@ int hl_cb_mmap(struct hl_fpriv *hpriv, struct vm_area_struct *vma) { struct hl_device *hdev = hpriv->hdev; struct hl_cb *cb; - phys_addr_t address; u32 handle, user_cb_size; int rc; @@ -360,12 +359,8 @@ int hl_cb_mmap(struct hl_fpriv *hpriv, struct vm_area_struct *vma) vma->vm_private_data = cb; - /* Calculate address for CB */ - address = virt_to_phys((void *) (uintptr_t) cb->kernel_address); - - rc = hdev->asic_funcs->cb_mmap(hdev, vma, cb->kernel_address, - address, cb->size); - + rc = hdev->asic_funcs->cb_mmap(hdev, vma, (void *) cb->kernel_address, + cb->bus_address, cb->size); if (rc) { spin_lock(&cb->lock); cb->mmap = false; |