From: Ye Bin <yebin10@huawei.com>
To: <alexander.deucher@amd.com>, <christian.koenig@amd.com>,
<amd-gfx@lists.freedesktop.org>
Cc: Ye Bin <yebin10@huawei.com>
Subject: [PATCH] drm/amd/display: Remove set but used 'temp'
Date: Thu, 10 Sep 2020 15:40:22 +0800 [thread overview]
Message-ID: <20200910074022.40224-1-yebin10@huawei.com> (raw)
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 <hulkci@huawei.com>
Signed-off-by: Ye Bin <yebin10@huawei.com>
---
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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next reply other threads:[~2020-09-11 9:50 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-10 7:40 Ye Bin [this message]
-- strict thread matches above, loose matches on Subject: below --
2020-09-16 1:08 [PATCH] drm/amd/display: Remove set but used 'temp' Ye Bin
2020-09-16 20:11 ` Alex Deucher
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