Re: [PATCH] drm/amd/display: Remove set but used 'temp'
On Tue, Sep 15, 2020 at 11:34 PM Ye Bin wrote:
>
> Addresses the following gcc warning with "make W=1":
>
> In file included from
> drivers/gpu/drm/amd/amdgpu/../display/dmub/src/../dmub_srv.h:67:0,
> from drivers/gpu/drm/amd/amdgpu/../display/dmub/src/dmub_dcn21.c:26:
> drivers/gpu/drm/amd/amdgpu/../display/dmub/src/../inc/dmub_cmd.h: In function
> ‘dmub_rb_flush_pending’:
> drivers/gpu/drm/amd/amdgpu/../display/dmub/src/../inc/dmub_cmd.h:795:12:
> warning: variable ‘temp’ set but not used
> [-Wunused-but-set-variable]
> uint64_t temp;
> ^
> In file included from
> drivers/gpu/drm/amd/amdgpu/../display/dmub/src/../dmub_srv.h:67:0,
> from
> drivers/gpu/drm/amd/amdgpu/../display/dmub/src/dmub_dcn30.c:26:
> drivers/gpu/drm/amd/amdgpu/../display/dmub/src/../inc/dmub_cmd.h: In function
> ‘dmub_rb_flush_pending’:
> drivers/gpu/drm/amd/amdgpu/../display/dmub/src/../inc/dmub_cmd.h:795:12:
> warning: variable ‘temp’ set but not used
> [-Wunused-but-set-variable]
>uint64_t temp;
>
> Reported-by: Hulk Robot
> Signed-off-by: Ye Bin
Applied. Thanks!
Alex
> ---
> drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
> b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
> index d7e7f2eda92f..e32828ffc3e0 100644
> --- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
> +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
> @@ -791,12 +791,10 @@ static inline void dmub_rb_flush_pending(const struct
> dmub_rb *rb)
>
> while (rptr != wptr) {
> uint64_t volatile *data = (uint64_t volatile
> *)rb->base_address + rptr / sizeof(uint64_t);
> - //uint64_t volatile *p = (uint64_t volatile *)data;
> - uint64_t temp;
> int i;
>
> for (i = 0; i < DMUB_RB_CMD_SIZE / sizeof(uint64_t); i++)
> - temp = *data++;
> + *data++;
>
> rptr += DMUB_RB_CMD_SIZE;
> if (rptr >= rb->capacity)
> --
> 2.16.2.dirty
>
> ___
> amd-gfx mailing list
> amd-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
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[PATCH] drm/amd/display: Remove set but used 'temp'
Addresses the following gcc warning with "make W=1":
In file included from
drivers/gpu/drm/amd/amdgpu/../display/dmub/src/../dmub_srv.h:67:0,
from drivers/gpu/drm/amd/amdgpu/../display/dmub/src/dmub_dcn21.c:26:
drivers/gpu/drm/amd/amdgpu/../display/dmub/src/../inc/dmub_cmd.h: In function
‘dmub_rb_flush_pending’:
drivers/gpu/drm/amd/amdgpu/../display/dmub/src/../inc/dmub_cmd.h:795:12:
warning: variable ‘temp’ set but not used
[-Wunused-but-set-variable]
uint64_t temp;
^
In file included from
drivers/gpu/drm/amd/amdgpu/../display/dmub/src/../dmub_srv.h:67:0,
from
drivers/gpu/drm/amd/amdgpu/../display/dmub/src/dmub_dcn30.c:26:
drivers/gpu/drm/amd/amdgpu/../display/dmub/src/../inc/dmub_cmd.h: In function
‘dmub_rb_flush_pending’:
drivers/gpu/drm/amd/amdgpu/../display/dmub/src/../inc/dmub_cmd.h:795:12:
warning: variable ‘temp’ set but not used
[-Wunused-but-set-variable]
uint64_t temp;
Reported-by: Hulk Robot
Signed-off-by: Ye Bin
---
drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
index d7e7f2eda92f..e32828ffc3e0 100644
--- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
+++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
@@ -791,12 +791,10 @@ static inline void dmub_rb_flush_pending(const struct
dmub_rb *rb)
while (rptr != wptr) {
uint64_t volatile *data = (uint64_t volatile *)rb->base_address
+ rptr / sizeof(uint64_t);
- //uint64_t volatile *p = (uint64_t volatile *)data;
- uint64_t temp;
int i;
for (i = 0; i < DMUB_RB_CMD_SIZE / sizeof(uint64_t); i++)
- temp = *data++;
+ *data++;
rptr += DMUB_RB_CMD_SIZE;
if (rptr >= rb->capacity)
--
2.16.2.dirty
___
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[PATCH] drm/amd/display: Remove set but used 'temp'
Addresses the following gcc warning with "make W=1":
In file included from
drivers/gpu/drm/amd/amdgpu/../display/dmub/src/../dmub_srv.h:67:0,
from drivers/gpu/drm/amd/amdgpu/../display/dmub/src/dmub_dcn21.c:26:
drivers/gpu/drm/amd/amdgpu/../display/dmub/src/../inc/dmub_cmd.h: In function
‘dmub_rb_flush_pending’:
drivers/gpu/drm/amd/amdgpu/../display/dmub/src/../inc/dmub_cmd.h:795:12:
warning: variable ‘temp’ set but not used
[-Wunused-but-set-variable]
uint64_t temp;
^
In file included from
drivers/gpu/drm/amd/amdgpu/../display/dmub/src/../dmub_srv.h:67:0,
from
drivers/gpu/drm/amd/amdgpu/../display/dmub/src/dmub_dcn30.c:26:
drivers/gpu/drm/amd/amdgpu/../display/dmub/src/../inc/dmub_cmd.h: In function
‘dmub_rb_flush_pending’:
drivers/gpu/drm/amd/amdgpu/../display/dmub/src/../inc/dmub_cmd.h:795:12:
warning: variable ‘temp’ set but not used
[-Wunused-but-set-variable]
uint64_t temp;
Reported-by: Hulk Robot
Signed-off-by: Ye Bin
---
drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
index d7e7f2eda92f..e32828ffc3e0 100644
--- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
+++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
@@ -791,12 +791,10 @@ static inline void dmub_rb_flush_pending(const struct
dmub_rb *rb)
while (rptr != wptr) {
uint64_t volatile *data = (uint64_t volatile *)rb->base_address
+ rptr / sizeof(uint64_t);
- //uint64_t volatile *p = (uint64_t volatile *)data;
- uint64_t temp;
int i;
for (i = 0; i < DMUB_RB_CMD_SIZE / sizeof(uint64_t); i++)
- temp = *data++;
+ *data++;
rptr += DMUB_RB_CMD_SIZE;
if (rptr >= rb->capacity)
--
2.16.2.dirty
___
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