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| author | David Francis <David.Francis@amd.com> | 2018-05-24 16:40:12 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-05-24 17:07:56 +0200 |
| commit | b8f3439fa5358ac84d29fa2f4afa115500dec74c (patch) | |
| tree | 921d7433eb3c3b39f4ca56e4445eeb26f0e78e23 /drivers/gpu | |
| parent | drm/amdgpu: Update GFX info structure to match what vega20 used (diff) | |
| download | linux-b8f3439fa5358ac84d29fa2f4afa115500dec74c.tar.xz linux-b8f3439fa5358ac84d29fa2f4afa115500dec74c.zip | |
drm/amd/display: Remove use of division operator for long longs
In fixed31_32.h, in dc_fixpt_shl,'/' was used for division of one long
long int by another long long int. As there is no inbuilt long long
int division function in c, gcc inserted its own. However, gcc does not
link the library that contains this function. To avoid this, use
bitwise operators instead of /
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: David Francis <David.Francis@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/include/fixed31_32.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/include/fixed31_32.h b/drivers/gpu/drm/amd/display/include/fixed31_32.h index 76f64e910422..bb0d4ebba9f0 100644 --- a/drivers/gpu/drm/amd/display/include/fixed31_32.h +++ b/drivers/gpu/drm/amd/display/include/fixed31_32.h @@ -209,7 +209,7 @@ static inline struct fixed31_32 dc_fixpt_clamp( static inline struct fixed31_32 dc_fixpt_shl(struct fixed31_32 arg, unsigned char shift) { ASSERT(((arg.value >= 0) && (arg.value <= LLONG_MAX >> shift)) || - ((arg.value < 0) && (arg.value >= (LLONG_MIN / (1LL << shift))))); + ((arg.value < 0) && (arg.value >= ~(LLONG_MAX >> shift)))); arg.value = arg.value << shift; |