On Tue, Jun 19, 2018 at 4:47 PM, Christian König
<christian.koenig at amd.com> wrote:
> Am 18.06.2018 um 10:18 schrieb Daniel Vetter:
>>
>> On Fri, Jun 01, 2018 at 02:00:17PM +0200, Christian König wrote:
>>>
>>> Neither used nor correctly implemented anywhere. Just completely remove
>>> the interface.
>>>
>>> Signed-off-by: Christian König <christian.koenig at amd.com>
>>
>> I wonder whether we can nuke the normal kmap stuff too ... everyone seems
>> to want/use the vmap stuff for kernel-internal mapping needs.
>>
>> Anyway, this looks good.
>>>
>>> ---
>>> drivers/dma-buf/dma-buf.c | 44
>>> ----------------------
>>> drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c | 2 -
>>> drivers/gpu/drm/armada/armada_gem.c | 2 -
>>> drivers/gpu/drm/drm_prime.c | 26 -------------
>>> drivers/gpu/drm/i915/i915_gem_dmabuf.c | 11 ------
>>> drivers/gpu/drm/i915/selftests/mock_dmabuf.c | 2 -
>>> drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c | 2 -
>>> drivers/gpu/drm/tegra/gem.c | 14 -------
>>> drivers/gpu/drm/udl/udl_dmabuf.c | 17 ---------
>>> drivers/gpu/drm/vmwgfx/vmwgfx_prime.c | 13 -------
>>> .../media/common/videobuf2/videobuf2-dma-contig.c | 1 -
>>> drivers/media/common/videobuf2/videobuf2-dma-sg.c | 1 -
>>> drivers/media/common/videobuf2/videobuf2-vmalloc.c | 1 -
>>> drivers/staging/android/ion/ion.c | 2 -
>>> drivers/tee/tee_shm.c | 6 ---
>>> include/drm/drm_prime.h | 4 --
>>> include/linux/dma-buf.h | 4 --
>>> 17 files changed, 152 deletions(-)
>>>
>>> diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
>>> index e99a8d19991b..e4c657d9fad7 100644
>>> --- a/drivers/dma-buf/dma-buf.c
>>> +++ b/drivers/dma-buf/dma-buf.c
>>> @@ -405,7 +405,6 @@ struct dma_buf *dma_buf_export(const struct
>>> dma_buf_export_info *exp_info)
>>> || !exp_info->ops->map_dma_buf
>>> || !exp_info->ops->unmap_dma_buf
>>> || !exp_info->ops->release
>>> - || !exp_info->ops->map_atomic
>>> || !exp_info->ops->map
>>> || !exp_info->ops->mmap)) {
>>> return ERR_PTR(-EINVAL);
>>> @@ -687,14 +686,6 @@ EXPORT_SYMBOL_GPL(dma_buf_unmap_attachment);
>>> * void \*dma_buf_kmap(struct dma_buf \*, unsigned long);
>>> * void dma_buf_kunmap(struct dma_buf \*, unsigned long, void \*);
>>> *
>>> - * There are also atomic variants of these interfaces. Like for kmap
>>> they
>>> - * facilitate non-blocking fast-paths. Neither the importer nor the
>>> exporter
>>> - * (in the callback) is allowed to block when using these.
>>> - *
>>> - * Interfaces::
>>> - * void \*dma_buf_kmap_atomic(struct dma_buf \*, unsigned long);
>>> - * void dma_buf_kunmap_atomic(struct dma_buf \*, unsigned long,
>>> void \*);
>>> - *
>>> * For importers all the restrictions of using kmap apply, like the
>>> limited
>>> * supply of kmap_atomic slots. Hence an importer shall only hold
>>> onto at
>>> * max 2 atomic dma_buf kmaps at the same time (in any given process
>>> context).
>>
>> This is also about atomic kmap ...
>>
>> And the subsequent language around "Note that these calls need to always
>> succeed." is also not true, might be good to update that stating that kmap
>> is optional (like we say already for vmap).
>>
>> With those docs nits addressed:
>>
>> Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>
>
>
> I've fixed up patch #1 and #2 and added your Reviewed-by tag.
>
> Since I finally had time to install dim do you have any objections that I
> now run "dim push drm-misc-next" with those two applied?
Go ahead, that's the point of commit rights. dim might complain if you
cherry picked them and didn't pick them up using dim apply though ...
-Daniel
> Regards,
> Christian.
>
>
>>
>>> @@ -859,41 +850,6 @@ int dma_buf_end_cpu_access(struct dma_buf *dmabuf,
>>> }
>>> EXPORT_SYMBOL_GPL(dma_buf_end_cpu_access);
>>> -/**
>>> - * dma_buf_kmap_atomic - Map a page of the buffer object into kernel
>>> address
>>> - * space. The same restrictions as for kmap_atomic and friends apply.
>>> - * @dmabuf: [in] buffer to map page from.
>>> - * @page_num: [in] page in PAGE_SIZE units to map.
>>> - *
>>> - * This call must always succeed, any necessary preparations that might
>>> fail
>>> - * need to be done in begin_cpu_access.
>>> - */
>>> -void *dma_buf_kmap_atomic(struct dma_buf *dmabuf, unsigned long
>>> page_num)
>>> -{
>>> - WARN_ON(!dmabuf);
>>> -
>>> - return dmabuf->ops->map_atomic(dmabuf, page_num);
>>> -}
>>> -EXPORT_SYMBOL_GPL(dma_buf_kmap_atomic);
>>> -
>>> -/**
>>> - * dma_buf_kunmap_atomic - Unmap a page obtained by dma_buf_kmap_atomic.
>>> - * @dmabuf: [in] buffer to unmap page from.
>>> - * @page_num: [in] page in PAGE_SIZE units to unmap.
>>> - * @vaddr: [in] kernel space pointer obtained from
>>> dma_buf_kmap_atomic.
>>> - *
>>> - * This call must always succeed.
>>> - */
>>> -void dma_buf_kunmap_atomic(struct dma_buf *dmabuf, unsigned long
>>> page_num,
>>> - void *vaddr)
>>> -{
>>> - WARN_ON(!dmabuf);
>>> -
>>> - if (dmabuf->ops->unmap_atomic)
>>> - dmabuf->ops->unmap_atomic(dmabuf, page_num, vaddr);
>>> -}
>>> -EXPORT_SYMBOL_GPL(dma_buf_kunmap_atomic);
>>> -
>>> /**
>>> * dma_buf_kmap - Map a page of the buffer object into kernel address
>>> space. The
>>> * same restrictions as for kmap and friends apply.
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
>>> index f1500f1ec0f5..a156b3891a3f 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
>>> @@ -244,9 +244,7 @@ static const struct dma_buf_ops amdgpu_dmabuf_ops = {
>>> .release = drm_gem_dmabuf_release,
>>> .begin_cpu_access = amdgpu_gem_begin_cpu_access,
>>> .map = drm_gem_dmabuf_kmap,
>>> - .map_atomic = drm_gem_dmabuf_kmap_atomic,
>>> .unmap = drm_gem_dmabuf_kunmap,
>>> - .unmap_atomic = drm_gem_dmabuf_kunmap_atomic,
>>> .mmap = drm_gem_dmabuf_mmap,
>>> .vmap = drm_gem_dmabuf_vmap,
>>> .vunmap = drm_gem_dmabuf_vunmap,
>>> diff --git a/drivers/gpu/drm/armada/armada_gem.c
>>> b/drivers/gpu/drm/armada/armada_gem.c
>>> index a97f509743a5..3fb37c75c065 100644
>>> --- a/drivers/gpu/drm/armada/armada_gem.c
>>> +++ b/drivers/gpu/drm/armada/armada_gem.c
>>> @@ -490,8 +490,6 @@ static const struct dma_buf_ops
>>> armada_gem_prime_dmabuf_ops = {
>>> .map_dma_buf = armada_gem_prime_map_dma_buf,
>>> .unmap_dma_buf = armada_gem_prime_unmap_dma_buf,
>>> .release = drm_gem_dmabuf_release,
>>> - .map_atomic = armada_gem_dmabuf_no_kmap,
>>> - .unmap_atomic = armada_gem_dmabuf_no_kunmap,
>>> .map = armada_gem_dmabuf_no_kmap,
>>> .unmap = armada_gem_dmabuf_no_kunmap,
>>> .mmap = armada_gem_dmabuf_mmap,
>>> diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
>>> index 4a3a232fea67..b28fa8f44c8b 100644
>>> --- a/drivers/gpu/drm/drm_prime.c
>>> +++ b/drivers/gpu/drm/drm_prime.c
>>> @@ -426,30 +426,6 @@ void drm_gem_dmabuf_vunmap(struct dma_buf *dma_buf,
>>> void *vaddr)
>>> }
>>> EXPORT_SYMBOL(drm_gem_dmabuf_vunmap);
>>> -/**
>>> - * drm_gem_dmabuf_kmap_atomic - map_atomic implementation for GEM
>>> - *
>>> - * Not implemented. This can be used as the &dma_buf_ops.map_atomic
>>> callback.
>>> - */
>>> -void *drm_gem_dmabuf_kmap_atomic(struct dma_buf *dma_buf,
>>> - unsigned long page_num)
>>> -{
>>> - return NULL;
>>> -}
>>> -EXPORT_SYMBOL(drm_gem_dmabuf_kmap_atomic);
>>> -
>>> -/**
>>> - * drm_gem_dmabuf_kunmap_atomic - unmap_atomic implementation for GEM
>>> - *
>>> - * Not implemented. This can be used as the &dma_buf_ops.unmap_atomic
>>> callback.
>>> - */
>>> -void drm_gem_dmabuf_kunmap_atomic(struct dma_buf *dma_buf,
>>> - unsigned long page_num, void *addr)
>>> -{
>>> -
>>> -}
>>> -EXPORT_SYMBOL(drm_gem_dmabuf_kunmap_atomic);
>>> -
>>> /**
>>> * drm_gem_dmabuf_kmap - map implementation for GEM
>>> *
>>> @@ -502,9 +478,7 @@ static const struct dma_buf_ops
>>> drm_gem_prime_dmabuf_ops = {
>>> .unmap_dma_buf = drm_gem_unmap_dma_buf,
>>> .release = drm_gem_dmabuf_release,
>>> .map = drm_gem_dmabuf_kmap,
>>> - .map_atomic = drm_gem_dmabuf_kmap_atomic,
>>> .unmap = drm_gem_dmabuf_kunmap,
>>> - .unmap_atomic = drm_gem_dmabuf_kunmap_atomic,
>>> .mmap = drm_gem_dmabuf_mmap,
>>> .vmap = drm_gem_dmabuf_vmap,
>>> .vunmap = drm_gem_dmabuf_vunmap,
>>> diff --git a/drivers/gpu/drm/i915/i915_gem_dmabuf.c
>>> b/drivers/gpu/drm/i915/i915_gem_dmabuf.c
>>> index 69a7aec49e84..82e2ca17a441 100644
>>> --- a/drivers/gpu/drm/i915/i915_gem_dmabuf.c
>>> +++ b/drivers/gpu/drm/i915/i915_gem_dmabuf.c
>>> @@ -111,15 +111,6 @@ static void i915_gem_dmabuf_vunmap(struct dma_buf
>>> *dma_buf, void *vaddr)
>>> i915_gem_object_unpin_map(obj);
>>> }
>>> -static void *i915_gem_dmabuf_kmap_atomic(struct dma_buf *dma_buf,
>>> unsigned long page_num)
>>> -{
>>> - return NULL;
>>> -}
>>> -
>>> -static void i915_gem_dmabuf_kunmap_atomic(struct dma_buf *dma_buf,
>>> unsigned long page_num, void *addr)
>>> -{
>>> -
>>> -}
>>> static void *i915_gem_dmabuf_kmap(struct dma_buf *dma_buf, unsigned
>>> long page_num)
>>> {
>>> struct drm_i915_gem_object *obj = dma_buf_to_obj(dma_buf);
>>> @@ -225,9 +216,7 @@ static const struct dma_buf_ops i915_dmabuf_ops = {
>>> .unmap_dma_buf = i915_gem_unmap_dma_buf,
>>> .release = drm_gem_dmabuf_release,
>>> .map = i915_gem_dmabuf_kmap,
>>> - .map_atomic = i915_gem_dmabuf_kmap_atomic,
>>> .unmap = i915_gem_dmabuf_kunmap,
>>> - .unmap_atomic = i915_gem_dmabuf_kunmap_atomic,
>>> .mmap = i915_gem_dmabuf_mmap,
>>> .vmap = i915_gem_dmabuf_vmap,
>>> .vunmap = i915_gem_dmabuf_vunmap,
>>> diff --git a/drivers/gpu/drm/i915/selftests/mock_dmabuf.c
>>> b/drivers/gpu/drm/i915/selftests/mock_dmabuf.c
>>> index 302f7d103635..f81fda8ea45e 100644
>>> --- a/drivers/gpu/drm/i915/selftests/mock_dmabuf.c
>>> +++ b/drivers/gpu/drm/i915/selftests/mock_dmabuf.c
>>> @@ -130,9 +130,7 @@ static const struct dma_buf_ops mock_dmabuf_ops = {
>>> .unmap_dma_buf = mock_unmap_dma_buf,
>>> .release = mock_dmabuf_release,
>>> .map = mock_dmabuf_kmap,
>>> - .map_atomic = mock_dmabuf_kmap_atomic,
>>> .unmap = mock_dmabuf_kunmap,
>>> - .unmap_atomic = mock_dmabuf_kunmap_atomic,
>>> .mmap = mock_dmabuf_mmap,
>>> .vmap = mock_dmabuf_vmap,
>>> .vunmap = mock_dmabuf_vunmap,
>>> diff --git a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c
>>> b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c
>>> index 8e41d649e248..1a073f9b2834 100644
>>> --- a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c
>>> +++ b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c
>>> @@ -148,8 +148,6 @@ static const struct dma_buf_ops omap_dmabuf_ops = {
>>> .release = drm_gem_dmabuf_release,
>>> .begin_cpu_access = omap_gem_dmabuf_begin_cpu_access,
>>> .end_cpu_access = omap_gem_dmabuf_end_cpu_access,
>>> - .map_atomic = omap_gem_dmabuf_kmap_atomic,
>>> - .unmap_atomic = omap_gem_dmabuf_kunmap_atomic,
>>> .map = omap_gem_dmabuf_kmap,
>>> .unmap = omap_gem_dmabuf_kunmap,
>>> .mmap = omap_gem_dmabuf_mmap,
>>> diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c
>>> index 8b0b4ff64bb4..d7661702c11c 100644
>>> --- a/drivers/gpu/drm/tegra/gem.c
>>> +++ b/drivers/gpu/drm/tegra/gem.c
>>> @@ -596,18 +596,6 @@ static int tegra_gem_prime_end_cpu_access(struct
>>> dma_buf *buf,
>>> return 0;
>>> }
>>> -static void *tegra_gem_prime_kmap_atomic(struct dma_buf *buf,
>>> - unsigned long page)
>>> -{
>>> - return NULL;
>>> -}
>>> -
>>> -static void tegra_gem_prime_kunmap_atomic(struct dma_buf *buf,
>>> - unsigned long page,
>>> - void *addr)
>>> -{
>>> -}
>>> -
>>> static void *tegra_gem_prime_kmap(struct dma_buf *buf, unsigned long
>>> page)
>>> {
>>> return NULL;
>>> @@ -648,8 +636,6 @@ static const struct dma_buf_ops
>>> tegra_gem_prime_dmabuf_ops = {
>>> .release = tegra_gem_prime_release,
>>> .begin_cpu_access = tegra_gem_prime_begin_cpu_access,
>>> .end_cpu_access = tegra_gem_prime_end_cpu_access,
>>> - .map_atomic = tegra_gem_prime_kmap_atomic,
>>> - .unmap_atomic = tegra_gem_prime_kunmap_atomic,
>>> .map = tegra_gem_prime_kmap,
>>> .unmap = tegra_gem_prime_kunmap,
>>> .mmap = tegra_gem_prime_mmap,
>>> diff --git a/drivers/gpu/drm/udl/udl_dmabuf.c
>>> b/drivers/gpu/drm/udl/udl_dmabuf.c
>>> index 5fdc8bdc2026..ae7225dedc30 100644
>>> --- a/drivers/gpu/drm/udl/udl_dmabuf.c
>>> +++ b/drivers/gpu/drm/udl/udl_dmabuf.c
>>> @@ -156,27 +156,12 @@ static void *udl_dmabuf_kmap(struct dma_buf
>>> *dma_buf, unsigned long page_num)
>>> return NULL;
>>> }
>>> -static void *udl_dmabuf_kmap_atomic(struct dma_buf *dma_buf,
>>> - unsigned long page_num)
>>> -{
>>> - /* TODO */
>>> -
>>> - return NULL;
>>> -}
>>> -
>>> static void udl_dmabuf_kunmap(struct dma_buf *dma_buf,
>>> unsigned long page_num, void *addr)
>>> {
>>> /* TODO */
>>> }
>>> -static void udl_dmabuf_kunmap_atomic(struct dma_buf *dma_buf,
>>> - unsigned long page_num,
>>> - void *addr)
>>> -{
>>> - /* TODO */
>>> -}
>>> -
>>> static int udl_dmabuf_mmap(struct dma_buf *dma_buf,
>>> struct vm_area_struct *vma)
>>> {
>>> @@ -191,9 +176,7 @@ static const struct dma_buf_ops udl_dmabuf_ops = {
>>> .map_dma_buf = udl_map_dma_buf,
>>> .unmap_dma_buf = udl_unmap_dma_buf,
>>> .map = udl_dmabuf_kmap,
>>> - .map_atomic = udl_dmabuf_kmap_atomic,
>>> .unmap = udl_dmabuf_kunmap,
>>> - .unmap_atomic = udl_dmabuf_kunmap_atomic,
>>> .mmap = udl_dmabuf_mmap,
>>> .release = drm_gem_dmabuf_release,
>>> };
>>> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c
>>> b/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c
>>> index fbffb37ccf42..373bc6da2f84 100644
>>> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c
>>> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c
>>> @@ -71,17 +71,6 @@ static void vmw_prime_dmabuf_vunmap(struct dma_buf
>>> *dma_buf, void *vaddr)
>>> {
>>> }
>>> -static void *vmw_prime_dmabuf_kmap_atomic(struct dma_buf *dma_buf,
>>> - unsigned long page_num)
>>> -{
>>> - return NULL;
>>> -}
>>> -
>>> -static void vmw_prime_dmabuf_kunmap_atomic(struct dma_buf *dma_buf,
>>> - unsigned long page_num, void *addr)
>>> -{
>>> -
>>> -}
>>> static void *vmw_prime_dmabuf_kmap(struct dma_buf *dma_buf,
>>> unsigned long page_num)
>>> {
>>> @@ -108,9 +97,7 @@ const struct dma_buf_ops vmw_prime_dmabuf_ops = {
>>> .unmap_dma_buf = vmw_prime_unmap_dma_buf,
>>> .release = NULL,
>>> .map = vmw_prime_dmabuf_kmap,
>>> - .map_atomic = vmw_prime_dmabuf_kmap_atomic,
>>> .unmap = vmw_prime_dmabuf_kunmap,
>>> - .unmap_atomic = vmw_prime_dmabuf_kunmap_atomic,
>>> .mmap = vmw_prime_dmabuf_mmap,
>>> .vmap = vmw_prime_dmabuf_vmap,
>>> .vunmap = vmw_prime_dmabuf_vunmap,
>>> diff --git a/drivers/media/common/videobuf2/videobuf2-dma-contig.c
>>> b/drivers/media/common/videobuf2/videobuf2-dma-contig.c
>>> index 12d0072c52c2..aff0ab7bf83d 100644
>>> --- a/drivers/media/common/videobuf2/videobuf2-dma-contig.c
>>> +++ b/drivers/media/common/videobuf2/videobuf2-dma-contig.c
>>> @@ -358,7 +358,6 @@ static const struct dma_buf_ops vb2_dc_dmabuf_ops = {
>>> .map_dma_buf = vb2_dc_dmabuf_ops_map,
>>> .unmap_dma_buf = vb2_dc_dmabuf_ops_unmap,
>>> .map = vb2_dc_dmabuf_ops_kmap,
>>> - .map_atomic = vb2_dc_dmabuf_ops_kmap,
>>> .vmap = vb2_dc_dmabuf_ops_vmap,
>>> .mmap = vb2_dc_dmabuf_ops_mmap,
>>> .release = vb2_dc_dmabuf_ops_release,
>>> diff --git a/drivers/media/common/videobuf2/videobuf2-dma-sg.c
>>> b/drivers/media/common/videobuf2/videobuf2-dma-sg.c
>>> index cf94765e593f..015e737095cd 100644
>>> --- a/drivers/media/common/videobuf2/videobuf2-dma-sg.c
>>> +++ b/drivers/media/common/videobuf2/videobuf2-dma-sg.c
>>> @@ -507,7 +507,6 @@ static const struct dma_buf_ops vb2_dma_sg_dmabuf_ops
>>> = {
>>> .map_dma_buf = vb2_dma_sg_dmabuf_ops_map,
>>> .unmap_dma_buf = vb2_dma_sg_dmabuf_ops_unmap,
>>> .map = vb2_dma_sg_dmabuf_ops_kmap,
>>> - .map_atomic = vb2_dma_sg_dmabuf_ops_kmap,
>>> .vmap = vb2_dma_sg_dmabuf_ops_vmap,
>>> .mmap = vb2_dma_sg_dmabuf_ops_mmap,
>>> .release = vb2_dma_sg_dmabuf_ops_release,
>>> diff --git a/drivers/media/common/videobuf2/videobuf2-vmalloc.c
>>> b/drivers/media/common/videobuf2/videobuf2-vmalloc.c
>>> index 298ffb9ecdae..467a4005164b 100644
>>> --- a/drivers/media/common/videobuf2/videobuf2-vmalloc.c
>>> +++ b/drivers/media/common/videobuf2/videobuf2-vmalloc.c
>>> @@ -346,7 +346,6 @@ static const struct dma_buf_ops
>>> vb2_vmalloc_dmabuf_ops = {
>>> .map_dma_buf = vb2_vmalloc_dmabuf_ops_map,
>>> .unmap_dma_buf = vb2_vmalloc_dmabuf_ops_unmap,
>>> .map = vb2_vmalloc_dmabuf_ops_kmap,
>>> - .map_atomic = vb2_vmalloc_dmabuf_ops_kmap,
>>> .vmap = vb2_vmalloc_dmabuf_ops_vmap,
>>> .mmap = vb2_vmalloc_dmabuf_ops_mmap,
>>> .release = vb2_vmalloc_dmabuf_ops_release,
>>> diff --git a/drivers/staging/android/ion/ion.c
>>> b/drivers/staging/android/ion/ion.c
>>> index 57e0d8035b2e..a46219ff5e16 100644
>>> --- a/drivers/staging/android/ion/ion.c
>>> +++ b/drivers/staging/android/ion/ion.c
>>> @@ -374,8 +374,6 @@ static const struct dma_buf_ops dma_buf_ops = {
>>> .detach = ion_dma_buf_detatch,
>>> .begin_cpu_access = ion_dma_buf_begin_cpu_access,
>>> .end_cpu_access = ion_dma_buf_end_cpu_access,
>>> - .map_atomic = ion_dma_buf_kmap,
>>> - .unmap_atomic = ion_dma_buf_kunmap,
>>> .map = ion_dma_buf_kmap,
>>> .unmap = ion_dma_buf_kunmap,
>>> };
>>> diff --git a/drivers/tee/tee_shm.c b/drivers/tee/tee_shm.c
>>> index 556960a1bab3..df4a1553b78b 100644
>>> --- a/drivers/tee/tee_shm.c
>>> +++ b/drivers/tee/tee_shm.c
>>> @@ -80,11 +80,6 @@ static void tee_shm_op_release(struct dma_buf *dmabuf)
>>> tee_shm_release(shm);
>>> }
>>> -static void *tee_shm_op_map_atomic(struct dma_buf *dmabuf, unsigned
>>> long pgnum)
>>> -{
>>> - return NULL;
>>> -}
>>> -
>>> static void *tee_shm_op_map(struct dma_buf *dmabuf, unsigned long
>>> pgnum)
>>> {
>>> return NULL;
>>> @@ -107,7 +102,6 @@ static const struct dma_buf_ops tee_shm_dma_buf_ops =
>>> {
>>> .map_dma_buf = tee_shm_op_map_dma_buf,
>>> .unmap_dma_buf = tee_shm_op_unmap_dma_buf,
>>> .release = tee_shm_op_release,
>>> - .map_atomic = tee_shm_op_map_atomic,
>>> .map = tee_shm_op_map,
>>> .mmap = tee_shm_op_mmap,
>>> };
>>> diff --git a/include/drm/drm_prime.h b/include/drm/drm_prime.h
>>> index ef338151cea8..d716d653b096 100644
>>> --- a/include/drm/drm_prime.h
>>> +++ b/include/drm/drm_prime.h
>>> @@ -93,10 +93,6 @@ void drm_gem_unmap_dma_buf(struct dma_buf_attachment
>>> *attach,
>>> enum dma_data_direction dir);
>>> void *drm_gem_dmabuf_vmap(struct dma_buf *dma_buf);
>>> void drm_gem_dmabuf_vunmap(struct dma_buf *dma_buf, void *vaddr);
>>> -void *drm_gem_dmabuf_kmap_atomic(struct dma_buf *dma_buf,
>>> - unsigned long page_num);
>>> -void drm_gem_dmabuf_kunmap_atomic(struct dma_buf *dma_buf,
>>> - unsigned long page_num, void *addr);
>>> void *drm_gem_dmabuf_kmap(struct dma_buf *dma_buf, unsigned long
>>> page_num);
>>> void drm_gem_dmabuf_kunmap(struct dma_buf *dma_buf, unsigned long
>>> page_num,
>>> void *addr);
>>> diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h
>>> index 346caf77937f..d17cadd76802 100644
>>> --- a/include/linux/dma-buf.h
>>> +++ b/include/linux/dma-buf.h
>>> @@ -205,8 +205,6 @@ struct dma_buf_ops {
>>> * to be restarted.
>>> */
>>> int (*end_cpu_access)(struct dma_buf *, enum dma_data_direction);
>>> - void *(*map_atomic)(struct dma_buf *, unsigned long);
>>> - void (*unmap_atomic)(struct dma_buf *, unsigned long, void *);
>>> void *(*map)(struct dma_buf *, unsigned long);
>>> void (*unmap)(struct dma_buf *, unsigned long, void *);
>>> @@ -394,8 +392,6 @@ int dma_buf_begin_cpu_access(struct dma_buf
>>> *dma_buf,
>>> enum dma_data_direction dir);
>>> int dma_buf_end_cpu_access(struct dma_buf *dma_buf,
>>> enum dma_data_direction dir);
>>> -void *dma_buf_kmap_atomic(struct dma_buf *, unsigned long);
>>> -void dma_buf_kunmap_atomic(struct dma_buf *, unsigned long, void *);
>>> void *dma_buf_kmap(struct dma_buf *, unsigned long);
>>> void dma_buf_kunmap(struct dma_buf *, unsigned long, void *);
>>>
>>> --
>>> 2.14.1
>>>
>>> _______________________________________________
>>> dri-devel mailing list
>>> dri-devel at lists.freedesktop.org
>>> https://lists.freedesktop.org/mailman/listinfo/dri-devel
>
>
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
