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drm/amd/display: Remove unused temp variable

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Remove unused temp variable from the dmub_rb_flush_pending function by
using arithmetic to remove the loop.

The -Wunused-but-set-variable warning was pointed out by Clang with the
following warning:

drivers/gpu/drm/amd/amdgpu/../display/dmub/inc/dmub_cmd.h:2921:12: warning:
variable 'temp' set but not used [-Wunused-but-set-variable]
    uint64_t temp;
             ^

v2: squash in revert and comment update (Alex)

Signed-off-by: Maíra Canal <maira.canal@usp.br>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Maíra Canal 2022-02-22 10:16:55 -03:00 • committed by Alex Deucher
parent 78be946dad
commit 23da6e0f7d
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
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@ -2921,6 +2921,10 @@ static inline void dmub_rb_flush_pending(const struct dmub_rb *rb)
uint64_t temp;
uint8_t i;
/* Don't remove this.
* The contents need to actually be read from the ring buffer
* for this function to be effective.
*/
for (i = 0; i < DMUB_RB_CMD_SIZE / sizeof(uint64_t); i++)
temp = *data++;