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Groups > linux.kernel > #1485814 > unrolled thread

[PATCH] drm/amdgpu: mark symbols static where possible

Started byBaoyou Xie <baoyou.xie@linaro.org>
First post2016-09-18 16:20 +0200
Last post2016-09-20 06:40 +0200
Articles 2 — 2 participants

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  [PATCH] drm/amdgpu: mark symbols static where possible Baoyou Xie <baoyou.xie@linaro.org> - 2016-09-18 16:20 +0200
    Re: [PATCH] drm/amdgpu: mark symbols static where possible Alex Deucher <alexdeucher@gmail.com> - 2016-09-20 06:40 +0200

#1485814 — [PATCH] drm/amdgpu: mark symbols static where possible

FromBaoyou Xie <baoyou.xie@linaro.org>
Date2016-09-18 16:20 +0200
Subject[PATCH] drm/amdgpu: mark symbols static where possible
Message-ID<siL6N-IX-39@gated-at.bofh.it>
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

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#1487051

FromAlex Deucher <alexdeucher@gmail.com>
Date2016-09-20 06:40 +0200
Message-ID<sjl0C-6HJ-5@gated-at.bofh.it>
In reply to#1485814
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;
>
>
>
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> dri-devel mailing list
> dri-devel@lists.freedesktop.org
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