Commit b8f3439f authored by David Francis's avatar David Francis Committed by Alex Deucher

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: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarDavid Francis <David.Francis@amd.com>
Reviewed-by: default avatarDmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent f9fb22a2
...@@ -209,7 +209,7 @@ static inline struct fixed31_32 dc_fixpt_clamp( ...@@ -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) static inline struct fixed31_32 dc_fixpt_shl(struct fixed31_32 arg, unsigned char shift)
{ {
ASSERT(((arg.value >= 0) && (arg.value <= LLONG_MAX >> 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; arg.value = arg.value << shift;
......
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