diff mbox series

drm: Remove defunct dma_buf_kmap stubs

Message ID 20180807174748.4503-1-chris@chris-wilson.co.uk (mailing list archive)
State New, archived
Headers show
Series drm: Remove defunct dma_buf_kmap stubs | expand

Commit Message

Chris Wilson Aug. 7, 2018, 5:47 p.m. UTC
Since commit 09ea0dfbf972 ("dma-buf: make map_atomic and map function
pointers optional"), we no longer need to provide stub no-op functions
as the core now provides them directly.

References: 09ea0dfbf972 ("dma-buf: make map_atomic and map function pointers optional")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c |  2 --
 drivers/gpu/drm/drm_prime.c               | 30 -----------------------
 include/drm/drm_prime.h                   |  3 ---
 3 files changed, 35 deletions(-)

Comments

Christian König Aug. 7, 2018, 5:54 p.m. UTC | #1
Am 07.08.2018 um 19:47 schrieb Chris Wilson:
> Since commit 09ea0dfbf972 ("dma-buf: make map_atomic and map function
> pointers optional"), we no longer need to provide stub no-op functions
> as the core now provides them directly.
>
> References: 09ea0dfbf972 ("dma-buf: make map_atomic and map function pointers optional")
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Daniel Vetter <daniel@ffwll.ch>
> Cc: Gerd Hoffmann <kraxel@redhat.com>
> Cc: Alex Deucher <alexander.deucher@amd.com>
> Cc: "Christian König" <christian.koenig@amd.com>

Reviewed-by: Christian König <christian.koenig@amd.com>


> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c |  2 --
>   drivers/gpu/drm/drm_prime.c               | 30 -----------------------
>   include/drm/drm_prime.h                   |  3 ---
>   3 files changed, 35 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
> index 1c5d97f4b4dd..3fdd5688da0b 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
> @@ -338,8 +338,6 @@ static const struct dma_buf_ops amdgpu_dmabuf_ops = {
>   	.unmap_dma_buf = drm_gem_unmap_dma_buf,
>   	.release = drm_gem_dmabuf_release,
>   	.begin_cpu_access = amdgpu_gem_begin_cpu_access,
> -	.map = drm_gem_dmabuf_kmap,
> -	.unmap = drm_gem_dmabuf_kunmap,
>   	.mmap = drm_gem_dmabuf_mmap,
>   	.vmap = drm_gem_dmabuf_vmap,
>   	.vunmap = drm_gem_dmabuf_vunmap,
> diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
> index 186db2e4c57a..e03d3bdaa59b 100644
> --- a/drivers/gpu/drm/drm_prime.c
> +++ b/drivers/gpu/drm/drm_prime.c
> @@ -433,34 +433,6 @@ void drm_gem_dmabuf_vunmap(struct dma_buf *dma_buf, void *vaddr)
>   }
>   EXPORT_SYMBOL(drm_gem_dmabuf_vunmap);
>   
> -/**
> - * drm_gem_dmabuf_kmap - map implementation for GEM
> - * @dma_buf: buffer to be mapped
> - * @page_num: page number within the buffer
> - *
> - * Not implemented. This can be used as the &dma_buf_ops.map callback.
> - */
> -void *drm_gem_dmabuf_kmap(struct dma_buf *dma_buf, unsigned long page_num)
> -{
> -	return NULL;
> -}
> -EXPORT_SYMBOL(drm_gem_dmabuf_kmap);
> -
> -/**
> - * drm_gem_dmabuf_kunmap - unmap implementation for GEM
> - * @dma_buf: buffer to be unmapped
> - * @page_num: page number within the buffer
> - * @addr: virtual address of the buffer
> - *
> - * Not implemented. This can be used as the &dma_buf_ops.unmap callback.
> - */
> -void drm_gem_dmabuf_kunmap(struct dma_buf *dma_buf, unsigned long page_num,
> -			   void *addr)
> -{
> -
> -}
> -EXPORT_SYMBOL(drm_gem_dmabuf_kunmap);
> -
>   /**
>    * drm_gem_dmabuf_mmap - dma_buf mmap implementation for GEM
>    * @dma_buf: buffer to be mapped
> @@ -489,8 +461,6 @@ static const struct dma_buf_ops drm_gem_prime_dmabuf_ops =  {
>   	.map_dma_buf = drm_gem_map_dma_buf,
>   	.unmap_dma_buf = drm_gem_unmap_dma_buf,
>   	.release = drm_gem_dmabuf_release,
> -	.map = drm_gem_dmabuf_kmap,
> -	.unmap = drm_gem_dmabuf_kunmap,
>   	.mmap = drm_gem_dmabuf_mmap,
>   	.vmap = drm_gem_dmabuf_vmap,
>   	.vunmap = drm_gem_dmabuf_vunmap,
> diff --git a/include/drm/drm_prime.h b/include/drm/drm_prime.h
> index d716d653b096..e2032fbc0f08 100644
> --- a/include/drm/drm_prime.h
> +++ b/include/drm/drm_prime.h
> @@ -93,9 +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(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);
>   int drm_gem_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma);
>   
>   int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, struct page **pages,
Daniel Vetter Aug. 7, 2018, 5:55 p.m. UTC | #2
On Tue, Aug 07, 2018 at 06:47:48PM +0100, Chris Wilson wrote:
> Since commit 09ea0dfbf972 ("dma-buf: make map_atomic and map function
> pointers optional"), we no longer need to provide stub no-op functions
> as the core now provides them directly.
> 
> References: 09ea0dfbf972 ("dma-buf: make map_atomic and map function pointers optional")
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Daniel Vetter <daniel@ffwll.ch>
> Cc: Gerd Hoffmann <kraxel@redhat.com>
> Cc: Alex Deucher <alexander.deucher@amd.com>
> Cc: "Christian König" <christian.koenig@amd.com>

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c |  2 --
>  drivers/gpu/drm/drm_prime.c               | 30 -----------------------
>  include/drm/drm_prime.h                   |  3 ---
>  3 files changed, 35 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
> index 1c5d97f4b4dd..3fdd5688da0b 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
> @@ -338,8 +338,6 @@ static const struct dma_buf_ops amdgpu_dmabuf_ops = {
>  	.unmap_dma_buf = drm_gem_unmap_dma_buf,
>  	.release = drm_gem_dmabuf_release,
>  	.begin_cpu_access = amdgpu_gem_begin_cpu_access,
> -	.map = drm_gem_dmabuf_kmap,
> -	.unmap = drm_gem_dmabuf_kunmap,
>  	.mmap = drm_gem_dmabuf_mmap,
>  	.vmap = drm_gem_dmabuf_vmap,
>  	.vunmap = drm_gem_dmabuf_vunmap,
> diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
> index 186db2e4c57a..e03d3bdaa59b 100644
> --- a/drivers/gpu/drm/drm_prime.c
> +++ b/drivers/gpu/drm/drm_prime.c
> @@ -433,34 +433,6 @@ void drm_gem_dmabuf_vunmap(struct dma_buf *dma_buf, void *vaddr)
>  }
>  EXPORT_SYMBOL(drm_gem_dmabuf_vunmap);
>  
> -/**
> - * drm_gem_dmabuf_kmap - map implementation for GEM
> - * @dma_buf: buffer to be mapped
> - * @page_num: page number within the buffer
> - *
> - * Not implemented. This can be used as the &dma_buf_ops.map callback.
> - */
> -void *drm_gem_dmabuf_kmap(struct dma_buf *dma_buf, unsigned long page_num)
> -{
> -	return NULL;
> -}
> -EXPORT_SYMBOL(drm_gem_dmabuf_kmap);
> -
> -/**
> - * drm_gem_dmabuf_kunmap - unmap implementation for GEM
> - * @dma_buf: buffer to be unmapped
> - * @page_num: page number within the buffer
> - * @addr: virtual address of the buffer
> - *
> - * Not implemented. This can be used as the &dma_buf_ops.unmap callback.
> - */
> -void drm_gem_dmabuf_kunmap(struct dma_buf *dma_buf, unsigned long page_num,
> -			   void *addr)
> -{
> -
> -}
> -EXPORT_SYMBOL(drm_gem_dmabuf_kunmap);
> -
>  /**
>   * drm_gem_dmabuf_mmap - dma_buf mmap implementation for GEM
>   * @dma_buf: buffer to be mapped
> @@ -489,8 +461,6 @@ static const struct dma_buf_ops drm_gem_prime_dmabuf_ops =  {
>  	.map_dma_buf = drm_gem_map_dma_buf,
>  	.unmap_dma_buf = drm_gem_unmap_dma_buf,
>  	.release = drm_gem_dmabuf_release,
> -	.map = drm_gem_dmabuf_kmap,
> -	.unmap = drm_gem_dmabuf_kunmap,
>  	.mmap = drm_gem_dmabuf_mmap,
>  	.vmap = drm_gem_dmabuf_vmap,
>  	.vunmap = drm_gem_dmabuf_vunmap,
> diff --git a/include/drm/drm_prime.h b/include/drm/drm_prime.h
> index d716d653b096..e2032fbc0f08 100644
> --- a/include/drm/drm_prime.h
> +++ b/include/drm/drm_prime.h
> @@ -93,9 +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(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);
>  int drm_gem_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma);
>  
>  int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, struct page **pages,
> -- 
> 2.18.0
>
Chris Wilson Aug. 7, 2018, 6:20 p.m. UTC | #3
Quoting Patchwork (2018-08-07 19:09:06)
> == Series Details ==
> 
> Series: drm: Remove defunct dma_buf_kmap stubs
> URL   : https://patchwork.freedesktop.org/series/47829/
> State : failure
> 
> == Summary ==
> 
> = CI Bug Log - changes from CI_DRM_4627 -> Patchwork_9871 =
> 
> == Summary - FAILURE ==
> 
>   Serious unknown changes coming with Patchwork_9871 absolutely need to be
>   verified manually.
>   
>   If you think the reported changes have nothing to do with the changes
>   introduced in Patchwork_9871, please notify your bug team to allow them
>   to document this new failure mode, which will reduce false positives in CI.
> 
>   External URL: https://patchwork.freedesktop.org/api/1.0/series/47829/revisions/1/mbox/
> 
> == Possible new issues ==
> 
>   Here are the unknown changes that may have been introduced in Patchwork_9871:
> 
>   === IGT changes ===
> 
>     ==== Possible regressions ====
> 
>     igt@gem_exec_fence@basic-await-default:
>       fi-gdg-551:         SKIP -> DMESG-FAIL +3

Grr. One little extra check to kill in dma_buf_export first(). Gerd,
come back here! :)
-Chris
diff mbox series

Patch

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
index 1c5d97f4b4dd..3fdd5688da0b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
@@ -338,8 +338,6 @@  static const struct dma_buf_ops amdgpu_dmabuf_ops = {
 	.unmap_dma_buf = drm_gem_unmap_dma_buf,
 	.release = drm_gem_dmabuf_release,
 	.begin_cpu_access = amdgpu_gem_begin_cpu_access,
-	.map = drm_gem_dmabuf_kmap,
-	.unmap = drm_gem_dmabuf_kunmap,
 	.mmap = drm_gem_dmabuf_mmap,
 	.vmap = drm_gem_dmabuf_vmap,
 	.vunmap = drm_gem_dmabuf_vunmap,
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
index 186db2e4c57a..e03d3bdaa59b 100644
--- a/drivers/gpu/drm/drm_prime.c
+++ b/drivers/gpu/drm/drm_prime.c
@@ -433,34 +433,6 @@  void drm_gem_dmabuf_vunmap(struct dma_buf *dma_buf, void *vaddr)
 }
 EXPORT_SYMBOL(drm_gem_dmabuf_vunmap);
 
-/**
- * drm_gem_dmabuf_kmap - map implementation for GEM
- * @dma_buf: buffer to be mapped
- * @page_num: page number within the buffer
- *
- * Not implemented. This can be used as the &dma_buf_ops.map callback.
- */
-void *drm_gem_dmabuf_kmap(struct dma_buf *dma_buf, unsigned long page_num)
-{
-	return NULL;
-}
-EXPORT_SYMBOL(drm_gem_dmabuf_kmap);
-
-/**
- * drm_gem_dmabuf_kunmap - unmap implementation for GEM
- * @dma_buf: buffer to be unmapped
- * @page_num: page number within the buffer
- * @addr: virtual address of the buffer
- *
- * Not implemented. This can be used as the &dma_buf_ops.unmap callback.
- */
-void drm_gem_dmabuf_kunmap(struct dma_buf *dma_buf, unsigned long page_num,
-			   void *addr)
-{
-
-}
-EXPORT_SYMBOL(drm_gem_dmabuf_kunmap);
-
 /**
  * drm_gem_dmabuf_mmap - dma_buf mmap implementation for GEM
  * @dma_buf: buffer to be mapped
@@ -489,8 +461,6 @@  static const struct dma_buf_ops drm_gem_prime_dmabuf_ops =  {
 	.map_dma_buf = drm_gem_map_dma_buf,
 	.unmap_dma_buf = drm_gem_unmap_dma_buf,
 	.release = drm_gem_dmabuf_release,
-	.map = drm_gem_dmabuf_kmap,
-	.unmap = drm_gem_dmabuf_kunmap,
 	.mmap = drm_gem_dmabuf_mmap,
 	.vmap = drm_gem_dmabuf_vmap,
 	.vunmap = drm_gem_dmabuf_vunmap,
diff --git a/include/drm/drm_prime.h b/include/drm/drm_prime.h
index d716d653b096..e2032fbc0f08 100644
--- a/include/drm/drm_prime.h
+++ b/include/drm/drm_prime.h
@@ -93,9 +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(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);
 int drm_gem_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma);
 
 int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, struct page **pages,