diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dml/calcs/bw_fixed.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/calcs/bw_fixed.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/calcs/bw_fixed.c b/drivers/gpu/drm/amd/display/dc/dml/calcs/bw_fixed.c index 6ca288fb5fb9..3aa8dd0acd5e 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/calcs/bw_fixed.c +++ b/drivers/gpu/drm/amd/display/dc/dml/calcs/bw_fixed.c @@ -25,12 +25,11 @@ #include "dm_services.h" #include "bw_fixed.h" +#define MAX_I64 \ + ((int64_t)((1ULL << 63) - 1)) #define MIN_I64 \ - (int64_t)(-(1LL << 63)) - -#define MAX_I64 \ - (int64_t)((1ULL << 63) - 1) + (-MAX_I64 - 1) #define FRACTIONAL_PART_MASK \ ((1ULL << BW_FIXED_BITS_PER_FRACTIONAL_PART) - 1) @@ -49,6 +48,7 @@ static uint64_t abs_i64(int64_t arg) struct bw_fixed bw_int_to_fixed_nonconst(int64_t value) { struct bw_fixed res; + ASSERT(value < BW_FIXED_MAX_I32 && value > BW_FIXED_MIN_I32); res.value = value << BW_FIXED_BITS_PER_FRACTIONAL_PART; return res; @@ -78,14 +78,12 @@ struct bw_fixed bw_frc_to_fixed(int64_t numerator, int64_t denominator) { uint32_t i = BW_FIXED_BITS_PER_FRACTIONAL_PART; - do - { + do { remainder <<= 1; res_value <<= 1; - if (remainder >= arg2_value) - { + if (remainder >= arg2_value) { res_value |= 1; remainder -= arg2_value; } |