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* [PATCH -next] drm/ttm: remove set but not used variable 'vgdev'
@ 2019-03-20  2:03 YueHaibing
  2019-03-25  9:02 ` Daniel Vetter
  2019-03-25  9:26 ` [PATCH v2 -next] drm/virtio: " YueHaibing
  0 siblings, 2 replies; 6+ messages in thread
From: YueHaibing @ 2019-03-20  2:03 UTC (permalink / raw)
  To: David Airlie, Gerd Hoffmann, Daniel Vetter
  Cc: YueHaibing, dri-devel, virtualization, linux-kernel, kernel-janitors

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/gpu/drm/virtio/virtgpu_ttm.c: In function 'virtio_gpu_init_mem_type':
drivers/gpu/drm/virtio/virtgpu_ttm.c:117:28: warning:
 variable 'vgdev' set but not used [-Wunused-but-set-variable]

drivers/gpu/drm/virtio/virtgpu_ttm.c: In function 'virtio_gpu_bo_swap_notify':
drivers/gpu/drm/virtio/virtgpu_ttm.c:300:28: warning:
 variable 'vgdev' set but not used [-Wunused-but-set-variable]

It is never used since introduction in dc5698e80cf7 ("Add virtio gpu driver.")

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
 drivers/gpu/drm/virtio/virtgpu_ttm.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_ttm.c b/drivers/gpu/drm/virtio/virtgpu_ttm.c
index d6225ba20b30..eb007c2569d8 100644
--- a/drivers/gpu/drm/virtio/virtgpu_ttm.c
+++ b/drivers/gpu/drm/virtio/virtgpu_ttm.c
@@ -114,10 +114,6 @@ static const struct ttm_mem_type_manager_func virtio_gpu_bo_manager_func = {
 static int virtio_gpu_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
 				    struct ttm_mem_type_manager *man)
 {
-	struct virtio_gpu_device *vgdev;
-
-	vgdev = virtio_gpu_get_vgdev(bdev);
-
 	switch (type) {
 	case TTM_PL_SYSTEM:
 		/* System memory */
@@ -297,10 +293,8 @@ static void virtio_gpu_bo_move_notify(struct ttm_buffer_object *tbo,
 static void virtio_gpu_bo_swap_notify(struct ttm_buffer_object *tbo)
 {
 	struct virtio_gpu_object *bo;
-	struct virtio_gpu_device *vgdev;
 
 	bo = container_of(tbo, struct virtio_gpu_object, tbo);
-	vgdev = (struct virtio_gpu_device *)bo->gem_base.dev->dev_private;
 
 	if (bo->pages)
 		virtio_gpu_object_free_sg_table(bo);




^ permalink raw reply related	[flat|nested] 6+ messages in thread

* Re: [PATCH -next] drm/ttm: remove set but not used variable 'vgdev'
  2019-03-20  2:03 [PATCH -next] drm/ttm: remove set but not used variable 'vgdev' YueHaibing
@ 2019-03-25  9:02 ` Daniel Vetter
  2019-03-25  9:11   ` YueHaibing
  2019-03-25  9:26 ` [PATCH v2 -next] drm/virtio: " YueHaibing
  1 sibling, 1 reply; 6+ messages in thread
From: Daniel Vetter @ 2019-03-25  9:02 UTC (permalink / raw)
  To: YueHaibing
  Cc: David Airlie, Gerd Hoffmann, Daniel Vetter, dri-devel,
	virtualization, linux-kernel, kernel-janitors

On Wed, Mar 20, 2019 at 02:03:08AM +0000, YueHaibing wrote:
> Fixes gcc '-Wunused-but-set-variable' warning:
> 
> drivers/gpu/drm/virtio/virtgpu_ttm.c: In function 'virtio_gpu_init_mem_type':
> drivers/gpu/drm/virtio/virtgpu_ttm.c:117:28: warning:
>  variable 'vgdev' set but not used [-Wunused-but-set-variable]
> 
> drivers/gpu/drm/virtio/virtgpu_ttm.c: In function 'virtio_gpu_bo_swap_notify':
> drivers/gpu/drm/virtio/virtgpu_ttm.c:300:28: warning:
>  variable 'vgdev' set but not used [-Wunused-but-set-variable]
> 
> It is never used since introduction in dc5698e80cf7 ("Add virtio gpu driver.")
> 
> Signed-off-by: YueHaibing <yuehaibing@huawei.com>

Subject prefix should be drm/virtio: which is maybe the reason Gerd hasn't
spotted this yet.
-Daniel

> ---
>  drivers/gpu/drm/virtio/virtgpu_ttm.c | 6 ------
>  1 file changed, 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/virtio/virtgpu_ttm.c b/drivers/gpu/drm/virtio/virtgpu_ttm.c
> index d6225ba20b30..eb007c2569d8 100644
> --- a/drivers/gpu/drm/virtio/virtgpu_ttm.c
> +++ b/drivers/gpu/drm/virtio/virtgpu_ttm.c
> @@ -114,10 +114,6 @@ static const struct ttm_mem_type_manager_func virtio_gpu_bo_manager_func = {
>  static int virtio_gpu_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
>  				    struct ttm_mem_type_manager *man)
>  {
> -	struct virtio_gpu_device *vgdev;
> -
> -	vgdev = virtio_gpu_get_vgdev(bdev);
> -
>  	switch (type) {
>  	case TTM_PL_SYSTEM:
>  		/* System memory */
> @@ -297,10 +293,8 @@ static void virtio_gpu_bo_move_notify(struct ttm_buffer_object *tbo,
>  static void virtio_gpu_bo_swap_notify(struct ttm_buffer_object *tbo)
>  {
>  	struct virtio_gpu_object *bo;
> -	struct virtio_gpu_device *vgdev;
>  
>  	bo = container_of(tbo, struct virtio_gpu_object, tbo);
> -	vgdev = (struct virtio_gpu_device *)bo->gem_base.dev->dev_private;
>  
>  	if (bo->pages)
>  		virtio_gpu_object_free_sg_table(bo);
> 
> 
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH -next] drm/ttm: remove set but not used variable 'vgdev'
  2019-03-25  9:02 ` Daniel Vetter
@ 2019-03-25  9:11   ` YueHaibing
  0 siblings, 0 replies; 6+ messages in thread
From: YueHaibing @ 2019-03-25  9:11 UTC (permalink / raw)
  To: David Airlie, Gerd Hoffmann, dri-devel, virtualization,
	linux-kernel, kernel-janitors

On 2019/3/25 17:02, Daniel Vetter wrote:
> On Wed, Mar 20, 2019 at 02:03:08AM +0000, YueHaibing wrote:
>> Fixes gcc '-Wunused-but-set-variable' warning:
>>
>> drivers/gpu/drm/virtio/virtgpu_ttm.c: In function 'virtio_gpu_init_mem_type':
>> drivers/gpu/drm/virtio/virtgpu_ttm.c:117:28: warning:
>>  variable 'vgdev' set but not used [-Wunused-but-set-variable]
>>
>> drivers/gpu/drm/virtio/virtgpu_ttm.c: In function 'virtio_gpu_bo_swap_notify':
>> drivers/gpu/drm/virtio/virtgpu_ttm.c:300:28: warning:
>>  variable 'vgdev' set but not used [-Wunused-but-set-variable]
>>
>> It is never used since introduction in dc5698e80cf7 ("Add virtio gpu driver.")
>>
>> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
> 
> Subject prefix should be drm/virtio: which is maybe the reason Gerd hasn't
> spotted this yet.

Thanks, will fix it.

> -Daniel
> 
>> ---
>>  drivers/gpu/drm/virtio/virtgpu_ttm.c | 6 ------
>>  1 file changed, 6 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/virtio/virtgpu_ttm.c b/drivers/gpu/drm/virtio/virtgpu_ttm.c
>> index d6225ba20b30..eb007c2569d8 100644
>> --- a/drivers/gpu/drm/virtio/virtgpu_ttm.c
>> +++ b/drivers/gpu/drm/virtio/virtgpu_ttm.c
>> @@ -114,10 +114,6 @@ static const struct ttm_mem_type_manager_func virtio_gpu_bo_manager_func = {
>>  static int virtio_gpu_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
>>  				    struct ttm_mem_type_manager *man)
>>  {
>> -	struct virtio_gpu_device *vgdev;
>> -
>> -	vgdev = virtio_gpu_get_vgdev(bdev);
>> -
>>  	switch (type) {
>>  	case TTM_PL_SYSTEM:
>>  		/* System memory */
>> @@ -297,10 +293,8 @@ static void virtio_gpu_bo_move_notify(struct ttm_buffer_object *tbo,
>>  static void virtio_gpu_bo_swap_notify(struct ttm_buffer_object *tbo)
>>  {
>>  	struct virtio_gpu_object *bo;
>> -	struct virtio_gpu_device *vgdev;
>>  
>>  	bo = container_of(tbo, struct virtio_gpu_object, tbo);
>> -	vgdev = (struct virtio_gpu_device *)bo->gem_base.dev->dev_private;
>>  
>>  	if (bo->pages)
>>  		virtio_gpu_object_free_sg_table(bo);
>>
>>
>>
> 


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [PATCH v2 -next] drm/virtio: remove set but not used variable 'vgdev'
  2019-03-20  2:03 [PATCH -next] drm/ttm: remove set but not used variable 'vgdev' YueHaibing
  2019-03-25  9:02 ` Daniel Vetter
@ 2019-03-25  9:26 ` YueHaibing
  2019-03-27 14:47   ` Mukesh Ojha
  2019-03-28 10:32   ` Gerd Hoffmann
  1 sibling, 2 replies; 6+ messages in thread
From: YueHaibing @ 2019-03-25  9:26 UTC (permalink / raw)
  To: David Airlie, Gerd Hoffmann, Daniel Vetter
  Cc: YueHaibing, dri-devel, virtualization, linux-kernel, kernel-janitors

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/gpu/drm/virtio/virtgpu_ttm.c: In function 'virtio_gpu_init_mem_type':
drivers/gpu/drm/virtio/virtgpu_ttm.c:117:28: warning:
 variable 'vgdev' set but not used [-Wunused-but-set-variable]

drivers/gpu/drm/virtio/virtgpu_ttm.c: In function 'virtio_gpu_bo_swap_notify':
drivers/gpu/drm/virtio/virtgpu_ttm.c:300:28: warning:
 variable 'vgdev' set but not used [-Wunused-but-set-variable]

It is never used since introduction in dc5698e80cf7 ("Add virtio gpu driver.")

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
v2: fix patch prefix
---
 drivers/gpu/drm/virtio/virtgpu_ttm.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_ttm.c b/drivers/gpu/drm/virtio/virtgpu_ttm.c
index d6225ba20b30..eb007c2569d8 100644
--- a/drivers/gpu/drm/virtio/virtgpu_ttm.c
+++ b/drivers/gpu/drm/virtio/virtgpu_ttm.c
@@ -114,10 +114,6 @@ static const struct ttm_mem_type_manager_func virtio_gpu_bo_manager_func = {
 static int virtio_gpu_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
 				    struct ttm_mem_type_manager *man)
 {
-	struct virtio_gpu_device *vgdev;
-
-	vgdev = virtio_gpu_get_vgdev(bdev);
-
 	switch (type) {
 	case TTM_PL_SYSTEM:
 		/* System memory */
@@ -297,10 +293,8 @@ static void virtio_gpu_bo_move_notify(struct ttm_buffer_object *tbo,
 static void virtio_gpu_bo_swap_notify(struct ttm_buffer_object *tbo)
 {
 	struct virtio_gpu_object *bo;
-	struct virtio_gpu_device *vgdev;
 
 	bo = container_of(tbo, struct virtio_gpu_object, tbo);
-	vgdev = (struct virtio_gpu_device *)bo->gem_base.dev->dev_private;
 
 	if (bo->pages)
 		virtio_gpu_object_free_sg_table(bo);




^ permalink raw reply related	[flat|nested] 6+ messages in thread

* Re: [PATCH v2 -next] drm/virtio: remove set but not used variable 'vgdev'
  2019-03-25  9:26 ` [PATCH v2 -next] drm/virtio: " YueHaibing
@ 2019-03-27 14:47   ` Mukesh Ojha
  2019-03-28 10:32   ` Gerd Hoffmann
  1 sibling, 0 replies; 6+ messages in thread
From: Mukesh Ojha @ 2019-03-27 14:47 UTC (permalink / raw)
  To: YueHaibing, David Airlie, Gerd Hoffmann, Daniel Vetter
  Cc: dri-devel, virtualization, linux-kernel, kernel-janitors


On 3/25/2019 2:56 PM, YueHaibing wrote:
> Fixes gcc '-Wunused-but-set-variable' warning:
>
> drivers/gpu/drm/virtio/virtgpu_ttm.c: In function 'virtio_gpu_init_mem_type':
> drivers/gpu/drm/virtio/virtgpu_ttm.c:117:28: warning:
>   variable 'vgdev' set but not used [-Wunused-but-set-variable]
>
> drivers/gpu/drm/virtio/virtgpu_ttm.c: In function 'virtio_gpu_bo_swap_notify':
> drivers/gpu/drm/virtio/virtgpu_ttm.c:300:28: warning:
>   variable 'vgdev' set but not used [-Wunused-but-set-variable]
>
> It is never used since introduction in dc5698e80cf7 ("Add virtio gpu driver.")
>
> Signed-off-by: YueHaibing <yuehaibing@huawei.com>


Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>

-Mukesh

> ---
> v2: fix patch prefix
> ---
>   drivers/gpu/drm/virtio/virtgpu_ttm.c | 6 ------
>   1 file changed, 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/virtio/virtgpu_ttm.c b/drivers/gpu/drm/virtio/virtgpu_ttm.c
> index d6225ba20b30..eb007c2569d8 100644
> --- a/drivers/gpu/drm/virtio/virtgpu_ttm.c
> +++ b/drivers/gpu/drm/virtio/virtgpu_ttm.c
> @@ -114,10 +114,6 @@ static const struct ttm_mem_type_manager_func virtio_gpu_bo_manager_func = {
>   static int virtio_gpu_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
>   				    struct ttm_mem_type_manager *man)
>   {
> -	struct virtio_gpu_device *vgdev;
> -
> -	vgdev = virtio_gpu_get_vgdev(bdev);
> -
>   	switch (type) {
>   	case TTM_PL_SYSTEM:
>   		/* System memory */
> @@ -297,10 +293,8 @@ static void virtio_gpu_bo_move_notify(struct ttm_buffer_object *tbo,
>   static void virtio_gpu_bo_swap_notify(struct ttm_buffer_object *tbo)
>   {
>   	struct virtio_gpu_object *bo;
> -	struct virtio_gpu_device *vgdev;
>   
>   	bo = container_of(tbo, struct virtio_gpu_object, tbo);
> -	vgdev = (struct virtio_gpu_device *)bo->gem_base.dev->dev_private;
>   
>   	if (bo->pages)
>   		virtio_gpu_object_free_sg_table(bo);
>
>
>

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH v2 -next] drm/virtio: remove set but not used variable 'vgdev'
  2019-03-25  9:26 ` [PATCH v2 -next] drm/virtio: " YueHaibing
  2019-03-27 14:47   ` Mukesh Ojha
@ 2019-03-28 10:32   ` Gerd Hoffmann
  1 sibling, 0 replies; 6+ messages in thread
From: Gerd Hoffmann @ 2019-03-28 10:32 UTC (permalink / raw)
  To: YueHaibing
  Cc: David Airlie, Daniel Vetter, dri-devel, virtualization,
	linux-kernel, kernel-janitors

On Mon, Mar 25, 2019 at 09:26:31AM +0000, YueHaibing wrote:
> Fixes gcc '-Wunused-but-set-variable' warning:
> 
> drivers/gpu/drm/virtio/virtgpu_ttm.c: In function 'virtio_gpu_init_mem_type':
> drivers/gpu/drm/virtio/virtgpu_ttm.c:117:28: warning:
>  variable 'vgdev' set but not used [-Wunused-but-set-variable]
> 
> drivers/gpu/drm/virtio/virtgpu_ttm.c: In function 'virtio_gpu_bo_swap_notify':
> drivers/gpu/drm/virtio/virtgpu_ttm.c:300:28: warning:
>  variable 'vgdev' set but not used [-Wunused-but-set-variable]
> 
> It is never used since introduction in dc5698e80cf7 ("Add virtio gpu driver.")

Patch queued up.

thanks,
  Gerd


^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2019-03-28 10:32 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-03-20  2:03 [PATCH -next] drm/ttm: remove set but not used variable 'vgdev' YueHaibing
2019-03-25  9:02 ` Daniel Vetter
2019-03-25  9:11   ` YueHaibing
2019-03-25  9:26 ` [PATCH v2 -next] drm/virtio: " YueHaibing
2019-03-27 14:47   ` Mukesh Ojha
2019-03-28 10:32   ` Gerd Hoffmann

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