linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH] drm/amdgpu: mark symbols static where possible
@ 2016-09-18 14:09 Baoyou Xie
  2016-09-19 10:01 ` Christian König
  0 siblings, 1 reply; 4+ messages in thread
From: Baoyou Xie @ 2016-09-18 14:09 UTC (permalink / raw)
  To: alexander.deucher, christian.koenig, airlied, nils.wallmenius,
	Emily.Deng, cpaul, arindam.nath, David1.Zhou, Monk.Liu,
	Jerry.Zhang, dan.carpenter, tom.stdenis, michel.daenzer
  Cc: dri-devel, linux-kernel, arnd, baoyou.xie, xie.baoyou

We get 7 warnings when building kernel with W=1:
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:1990:5: warning: no previous prototype for 'amdgpu_pre_soft_reset' [-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c:1548:5: warning: no previous prototype for 'amdgpu_connector_virtual_dpms' [-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c:1560:5: warning: no previous prototype for 'amdgpu_connector_virtual_set_property' [-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c:330:5: warning: no previous prototype for 'amdgpu_cs_list_validate' [-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/dce_virtual.c:98:6: warning: no previous prototype for 'dce_virtual_stop_mc_access' [-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/dce_virtual.c:130:6: warning: no previous prototype for 'dce_virtual_resume_mc_access' [-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/dce_virtual.c:136:6: warning: no previous prototype for 'dce_virtual_set_vga_render_state' [-Wmissing-prototypes]

In fact, all of the functions are only used in the file
in which they are declared and don't need a declaration,
but can be made static.

So this patch marks both functions with 'static'.

Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c | 6 ++++--
 drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c         | 2 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c     | 2 +-
 drivers/gpu/drm/amd/amdgpu/dce_virtual.c       | 6 +++---
 4 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
index 319a5e1..decbba5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
@@ -1545,7 +1545,8 @@ static int amdgpu_connector_virtual_mode_valid(struct drm_connector *connector,
 	return MODE_OK;
 }
 
-int amdgpu_connector_virtual_dpms(struct drm_connector *connector, int mode)
+static int
+amdgpu_connector_virtual_dpms(struct drm_connector *connector, int mode)
 {
 	return 0;
 }
@@ -1557,7 +1558,8 @@ amdgpu_connector_virtual_detect(struct drm_connector *connector, bool force)
 	return connector_status_connected;
 }
 
-int amdgpu_connector_virtual_set_property(struct drm_connector *connector,
+static int
+amdgpu_connector_virtual_set_property(struct drm_connector *connector,
 				  struct drm_property *property,
 				  uint64_t val)
 {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index d80e5d3..b408eea 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -327,7 +327,7 @@ retry:
 	return r;
 }
 
-int amdgpu_cs_list_validate(struct amdgpu_cs_parser *p,
+static int amdgpu_cs_list_validate(struct amdgpu_cs_parser *p,
 			    struct list_head *validated)
 {
 	struct amdgpu_bo_list_entry *lobj;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index c38dc47..09b809d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1987,7 +1987,7 @@ static bool amdgpu_check_soft_reset(struct amdgpu_device *adev)
 	return asic_hang;
 }
 
-int amdgpu_pre_soft_reset(struct amdgpu_device *adev)
+static int amdgpu_pre_soft_reset(struct amdgpu_device *adev)
 {
 	int i, r = 0;
 
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
index 00663a7..2d02acd 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
@@ -95,7 +95,7 @@ static bool dce_virtual_is_display_hung(struct amdgpu_device *adev)
 	return false;
 }
 
-void dce_virtual_stop_mc_access(struct amdgpu_device *adev,
+static void dce_virtual_stop_mc_access(struct amdgpu_device *adev,
 			      struct amdgpu_mode_mc_save *save)
 {
 	switch (adev->asic_type) {
@@ -127,13 +127,13 @@ void dce_virtual_stop_mc_access(struct amdgpu_device *adev,
 
 	return;
 }
-void dce_virtual_resume_mc_access(struct amdgpu_device *adev,
+static void dce_virtual_resume_mc_access(struct amdgpu_device *adev,
 				struct amdgpu_mode_mc_save *save)
 {
 	return;
 }
 
-void dce_virtual_set_vga_render_state(struct amdgpu_device *adev,
+static void dce_virtual_set_vga_render_state(struct amdgpu_device *adev,
 				    bool render)
 {
 	return;
-- 
2.7.4

^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH] drm/amdgpu: mark symbols static where possible
  2016-09-18 14:09 [PATCH] drm/amdgpu: mark symbols static where possible Baoyou Xie
@ 2016-09-19 10:01 ` Christian König
  2016-09-20  4:38   ` Alex Deucher
  0 siblings, 1 reply; 4+ messages in thread
From: Christian König @ 2016-09-19 10:01 UTC (permalink / raw)
  To: Baoyou Xie, Deucher, Alexander, airlied, nils.wallmenius, Deng,
	Emily, cpaul, Nath, Arindam, Zhou, David(ChunMing),
	Liu, Monk, Zhang, Jerry, dan.carpenter, StDenis, Tom, Daenzer,
	Michel
  Cc: dri-devel, linux-kernel, arnd, xie.baoyou

Am 18.09.2016 um 16:09 schrieb Baoyou Xie:
> We get 7 warnings when building kernel with W=1:
> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:1990:5: warning: no previous prototype for 'amdgpu_pre_soft_reset' [-Wmissing-prototypes]
> drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c:1548:5: warning: no previous prototype for 'amdgpu_connector_virtual_dpms' [-Wmissing-prototypes]
> drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c:1560:5: warning: no previous prototype for 'amdgpu_connector_virtual_set_property' [-Wmissing-prototypes]
> drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c:330:5: warning: no previous prototype for 'amdgpu_cs_list_validate' [-Wmissing-prototypes]
> drivers/gpu/drm/amd/amdgpu/dce_virtual.c:98:6: warning: no previous prototype for 'dce_virtual_stop_mc_access' [-Wmissing-prototypes]
> drivers/gpu/drm/amd/amdgpu/dce_virtual.c:130:6: warning: no previous prototype for 'dce_virtual_resume_mc_access' [-Wmissing-prototypes]
> drivers/gpu/drm/amd/amdgpu/dce_virtual.c:136:6: warning: no previous prototype for 'dce_virtual_set_vga_render_state' [-Wmissing-prototypes]
>
> In fact, all of the functions are only used in the file
> in which they are declared and don't need a declaration,
> but can be made static.
>
> So this patch marks both functions with 'static'.
>
> Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>

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

> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c | 6 ++++--
>   drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c         | 2 +-
>   drivers/gpu/drm/amd/amdgpu/amdgpu_device.c     | 2 +-
>   drivers/gpu/drm/amd/amdgpu/dce_virtual.c       | 6 +++---
>   4 files changed, 9 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
> index 319a5e1..decbba5 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
> @@ -1545,7 +1545,8 @@ static int amdgpu_connector_virtual_mode_valid(struct drm_connector *connector,
>   	return MODE_OK;
>   }
>   
> -int amdgpu_connector_virtual_dpms(struct drm_connector *connector, int mode)
> +static int
> +amdgpu_connector_virtual_dpms(struct drm_connector *connector, int mode)
>   {
>   	return 0;
>   }
> @@ -1557,7 +1558,8 @@ amdgpu_connector_virtual_detect(struct drm_connector *connector, bool force)
>   	return connector_status_connected;
>   }
>   
> -int amdgpu_connector_virtual_set_property(struct drm_connector *connector,
> +static int
> +amdgpu_connector_virtual_set_property(struct drm_connector *connector,
>   				  struct drm_property *property,
>   				  uint64_t val)
>   {
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> index d80e5d3..b408eea 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> @@ -327,7 +327,7 @@ retry:
>   	return r;
>   }
>   
> -int amdgpu_cs_list_validate(struct amdgpu_cs_parser *p,
> +static int amdgpu_cs_list_validate(struct amdgpu_cs_parser *p,
>   			    struct list_head *validated)
>   {
>   	struct amdgpu_bo_list_entry *lobj;
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index c38dc47..09b809d 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -1987,7 +1987,7 @@ static bool amdgpu_check_soft_reset(struct amdgpu_device *adev)
>   	return asic_hang;
>   }
>   
> -int amdgpu_pre_soft_reset(struct amdgpu_device *adev)
> +static int amdgpu_pre_soft_reset(struct amdgpu_device *adev)
>   {
>   	int i, r = 0;
>   
> diff --git a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
> index 00663a7..2d02acd 100644
> --- a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
> +++ b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
> @@ -95,7 +95,7 @@ static bool dce_virtual_is_display_hung(struct amdgpu_device *adev)
>   	return false;
>   }
>   
> -void dce_virtual_stop_mc_access(struct amdgpu_device *adev,
> +static void dce_virtual_stop_mc_access(struct amdgpu_device *adev,
>   			      struct amdgpu_mode_mc_save *save)
>   {
>   	switch (adev->asic_type) {
> @@ -127,13 +127,13 @@ void dce_virtual_stop_mc_access(struct amdgpu_device *adev,
>   
>   	return;
>   }
> -void dce_virtual_resume_mc_access(struct amdgpu_device *adev,
> +static void dce_virtual_resume_mc_access(struct amdgpu_device *adev,
>   				struct amdgpu_mode_mc_save *save)
>   {
>   	return;
>   }
>   
> -void dce_virtual_set_vga_render_state(struct amdgpu_device *adev,
> +static void dce_virtual_set_vga_render_state(struct amdgpu_device *adev,
>   				    bool render)
>   {
>   	return;

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] drm/amdgpu: mark symbols static where possible
  2016-09-19 10:01 ` Christian König
@ 2016-09-20  4:38   ` Alex Deucher
  0 siblings, 0 replies; 4+ messages in thread
From: Alex Deucher @ 2016-09-20  4:38 UTC (permalink / raw)
  To: Christian König
  Cc: Baoyou Xie, Deucher, Alexander, airlied, nils.wallmenius, Deng,
	Emily, cpaul, Nath, Arindam, Zhou, David(ChunMing),
	Liu, Monk, Zhang, Jerry, dan.carpenter, StDenis, Tom, Daenzer,
	Michel, xie.baoyou, arnd, linux-kernel, dri-devel

On Mon, Sep 19, 2016 at 6:01 AM, Christian König
<christian.koenig@amd.com> wrote:
> Am 18.09.2016 um 16:09 schrieb Baoyou Xie:
>>
>> We get 7 warnings when building kernel with W=1:
>> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:1990:5: warning: no previous
>> prototype for 'amdgpu_pre_soft_reset' [-Wmissing-prototypes]
>> drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c:1548:5: warning: no
>> previous prototype for 'amdgpu_connector_virtual_dpms'
>> [-Wmissing-prototypes]
>> drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c:1560:5: warning: no
>> previous prototype for 'amdgpu_connector_virtual_set_property'
>> [-Wmissing-prototypes]
>> drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c:330:5: warning: no previous
>> prototype for 'amdgpu_cs_list_validate' [-Wmissing-prototypes]
>> drivers/gpu/drm/amd/amdgpu/dce_virtual.c:98:6: warning: no previous
>> prototype for 'dce_virtual_stop_mc_access' [-Wmissing-prototypes]
>> drivers/gpu/drm/amd/amdgpu/dce_virtual.c:130:6: warning: no previous
>> prototype for 'dce_virtual_resume_mc_access' [-Wmissing-prototypes]
>> drivers/gpu/drm/amd/amdgpu/dce_virtual.c:136:6: warning: no previous
>> prototype for 'dce_virtual_set_vga_render_state' [-Wmissing-prototypes]
>>
>> In fact, all of the functions are only used in the file
>> in which they are declared and don't need a declaration,
>> but can be made static.
>>
>> So this patch marks both functions with 'static'.
>>
>> Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
>
>
> Reviewed-by: Christian König <christian.koenig@amd.com>.
>

Applied.  thanks!

Alex

>
>> ---
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c | 6 ++++--
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c         | 2 +-
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_device.c     | 2 +-
>>   drivers/gpu/drm/amd/amdgpu/dce_virtual.c       | 6 +++---
>>   4 files changed, 9 insertions(+), 7 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
>> index 319a5e1..decbba5 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
>> @@ -1545,7 +1545,8 @@ static int
>> amdgpu_connector_virtual_mode_valid(struct drm_connector *connector,
>>         return MODE_OK;
>>   }
>>   -int amdgpu_connector_virtual_dpms(struct drm_connector *connector, int
>> mode)
>> +static int
>> +amdgpu_connector_virtual_dpms(struct drm_connector *connector, int mode)
>>   {
>>         return 0;
>>   }
>> @@ -1557,7 +1558,8 @@ amdgpu_connector_virtual_detect(struct drm_connector
>> *connector, bool force)
>>         return connector_status_connected;
>>   }
>>   -int amdgpu_connector_virtual_set_property(struct drm_connector
>> *connector,
>> +static int
>> +amdgpu_connector_virtual_set_property(struct drm_connector *connector,
>>                                   struct drm_property *property,
>>                                   uint64_t val)
>>   {
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
>> index d80e5d3..b408eea 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
>> @@ -327,7 +327,7 @@ retry:
>>         return r;
>>   }
>>   -int amdgpu_cs_list_validate(struct amdgpu_cs_parser *p,
>> +static int amdgpu_cs_list_validate(struct amdgpu_cs_parser *p,
>>                             struct list_head *validated)
>>   {
>>         struct amdgpu_bo_list_entry *lobj;
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> index c38dc47..09b809d 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> @@ -1987,7 +1987,7 @@ static bool amdgpu_check_soft_reset(struct
>> amdgpu_device *adev)
>>         return asic_hang;
>>   }
>>   -int amdgpu_pre_soft_reset(struct amdgpu_device *adev)
>> +static int amdgpu_pre_soft_reset(struct amdgpu_device *adev)
>>   {
>>         int i, r = 0;
>>   diff --git a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
>> b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
>> index 00663a7..2d02acd 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
>> @@ -95,7 +95,7 @@ static bool dce_virtual_is_display_hung(struct
>> amdgpu_device *adev)
>>         return false;
>>   }
>>   -void dce_virtual_stop_mc_access(struct amdgpu_device *adev,
>> +static void dce_virtual_stop_mc_access(struct amdgpu_device *adev,
>>                               struct amdgpu_mode_mc_save *save)
>>   {
>>         switch (adev->asic_type) {
>> @@ -127,13 +127,13 @@ void dce_virtual_stop_mc_access(struct amdgpu_device
>> *adev,
>>         return;
>>   }
>> -void dce_virtual_resume_mc_access(struct amdgpu_device *adev,
>> +static void dce_virtual_resume_mc_access(struct amdgpu_device *adev,
>>                                 struct amdgpu_mode_mc_save *save)
>>   {
>>         return;
>>   }
>>   -void dce_virtual_set_vga_render_state(struct amdgpu_device *adev,
>> +static void dce_virtual_set_vga_render_state(struct amdgpu_device *adev,
>>                                     bool render)
>>   {
>>         return;
>
>
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

^ permalink raw reply	[flat|nested] 4+ messages in thread

* [PATCH] drm/amdgpu: mark symbols static where possible
@ 2016-09-30 10:06 Baoyou Xie
  0 siblings, 0 replies; 4+ messages in thread
From: Baoyou Xie @ 2016-09-30 10:06 UTC (permalink / raw)
  To: alexander.deucher, christian.koenig, airlied, Monk.Liu,
	Maruthi.Bayyavarapu, Qingqing.Wang, ray.huang
  Cc: dri-devel, linux-kernel, arnd, baoyou.xie, xie.baoyou, han.fei,
	tang.qiang007

We get 2 warnings when building kernel with W=1:
drivers/gpu/drm/amd/amdgpu/si.c:908:5: warning: no previous prototype for 'si_pciep_rreg' [-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/si.c:921:6: warning: no previous prototype for 'si_pciep_wreg' [-Wmissing-prototypes]

In fact, these functions are only used in the file in which they are
declared and don't need a declaration, but can be made static.
So this patch marks these functions with 'static'.

Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
---
 drivers/gpu/drm/amd/amdgpu/si.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/si.c b/drivers/gpu/drm/amd/amdgpu/si.c
index dc9511c..bacdff8 100644
--- a/drivers/gpu/drm/amd/amdgpu/si.c
+++ b/drivers/gpu/drm/amd/amdgpu/si.c
@@ -905,7 +905,7 @@ static void si_pcie_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
 	spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
 }
 
-u32 si_pciep_rreg(struct amdgpu_device *adev, u32 reg)
+static u32 si_pciep_rreg(struct amdgpu_device *adev, u32 reg)
 {
 	unsigned long flags;
 	u32 r;
@@ -918,7 +918,7 @@ u32 si_pciep_rreg(struct amdgpu_device *adev, u32 reg)
 	return r;
 }
 
-void si_pciep_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
+static void si_pciep_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
 {
 	unsigned long flags;
 
-- 
2.7.4

^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2016-09-30 10:06 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2016-09-18 14:09 [PATCH] drm/amdgpu: mark symbols static where possible Baoyou Xie
2016-09-19 10:01 ` Christian König
2016-09-20  4:38   ` Alex Deucher
2016-09-30 10:06 Baoyou Xie

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).