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drm/i915/fixed: prefer kernel types over stdint types

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While at it, conform to kernel spacing (i.e. no space) after cast. No
functional changes.

Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181116120729.7580-2-jani.nikula@intel.com
This commit is contained in:
Jani Nikula 2018-11-16 14:07:26 +02:00
parent 2d332ee123
commit 3122b9c527
1 changed files with 29 additions and 32 deletions
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61
drivers/gpu/drm/i915/i915_fixed.h
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@ -7,7 +7,7 @@
#define _I915_FIXED_H_
typedef struct {
uint32_t val;
u32 val;
} uint_fixed_16_16_t;
#define FP_16_16_MAX ({ \
@ -23,7 +23,7 @@ static inline bool is_fixed16_zero(uint_fixed_16_16_t val)
return false;
}
static inline uint_fixed_16_16_t u32_to_fixed16(uint32_t val)
static inline uint_fixed_16_16_t u32_to_fixed16(u32 val)
{
uint_fixed_16_16_t fp;
@ -33,12 +33,12 @@ static inline uint_fixed_16_16_t u32_to_fixed16(uint32_t val)
return fp;
}
static inline uint32_t fixed16_to_u32_round_up(uint_fixed_16_16_t fp)
static inline u32 fixed16_to_u32_round_up(uint_fixed_16_16_t fp)
{
return DIV_ROUND_UP(fp.val, 1 << 16);
}
static inline uint32_t fixed16_to_u32(uint_fixed_16_16_t fp)
static inline u32 fixed16_to_u32(uint_fixed_16_16_t fp)
{
return fp.val >> 16;
}
@ -61,86 +61,83 @@ static inline uint_fixed_16_16_t max_fixed16(uint_fixed_16_16_t max1,
return max;
}
static inline uint_fixed_16_16_t clamp_u64_to_fixed16(uint64_t val)
static inline uint_fixed_16_16_t clamp_u64_to_fixed16(u64 val)
{
uint_fixed_16_16_t fp;
WARN_ON(val > U32_MAX);
fp.val = (uint32_t) val;
fp.val = (u32)val;
return fp;
}
static inline uint32_t div_round_up_fixed16(uint_fixed_16_16_t val,
uint_fixed_16_16_t d)
static inline u32 div_round_up_fixed16(uint_fixed_16_16_t val,
uint_fixed_16_16_t d)
{
return DIV_ROUND_UP(val.val, d.val);
}
static inline uint32_t mul_round_up_u32_fixed16(uint32_t val,
uint_fixed_16_16_t mul)
static inline u32 mul_round_up_u32_fixed16(u32 val, uint_fixed_16_16_t mul)
{
uint64_t intermediate_val;
u64 intermediate_val;
intermediate_val = (uint64_t) val * mul.val;
intermediate_val = (u64)val * mul.val;
intermediate_val = DIV_ROUND_UP_ULL(intermediate_val, 1 << 16);
WARN_ON(intermediate_val > U32_MAX);
return (uint32_t) intermediate_val;
return (u32)intermediate_val;
}
static inline uint_fixed_16_16_t mul_fixed16(uint_fixed_16_16_t val,
uint_fixed_16_16_t mul)
{
uint64_t intermediate_val;
u64 intermediate_val;
intermediate_val = (uint64_t) val.val * mul.val;
intermediate_val = (u64)val.val * mul.val;
intermediate_val = intermediate_val >> 16;
return clamp_u64_to_fixed16(intermediate_val);
}
static inline uint_fixed_16_16_t div_fixed16(uint32_t val, uint32_t d)
static inline uint_fixed_16_16_t div_fixed16(u32 val, u32 d)
{
uint64_t interm_val;
u64 interm_val;
interm_val = (uint64_t)val << 16;
interm_val = (u64)val << 16;
interm_val = DIV_ROUND_UP_ULL(interm_val, d);
return clamp_u64_to_fixed16(interm_val);
}
static inline uint32_t div_round_up_u32_fixed16(uint32_t val,
uint_fixed_16_16_t d)
static inline u32 div_round_up_u32_fixed16(u32 val, uint_fixed_16_16_t d)
{
uint64_t interm_val;
u64 interm_val;
interm_val = (uint64_t)val << 16;
interm_val = (u64)val << 16;
interm_val = DIV_ROUND_UP_ULL(interm_val, d.val);
WARN_ON(interm_val > U32_MAX);
return (uint32_t) interm_val;
return (u32)interm_val;
}
static inline uint_fixed_16_16_t mul_u32_fixed16(uint32_t val,
uint_fixed_16_16_t mul)
static inline uint_fixed_16_16_t mul_u32_fixed16(u32 val, uint_fixed_16_16_t mul)
{
uint64_t intermediate_val;
u64 intermediate_val;
intermediate_val = (uint64_t) val * mul.val;
intermediate_val = (u64)val * mul.val;
return clamp_u64_to_fixed16(intermediate_val);
}
static inline uint_fixed_16_16_t add_fixed16(uint_fixed_16_16_t add1,
uint_fixed_16_16_t add2)
{
uint64_t interm_sum;
u64 interm_sum;
interm_sum = (uint64_t) add1.val + add2.val;
interm_sum = (u64)add1.val + add2.val;
return clamp_u64_to_fixed16(interm_sum);
}
static inline uint_fixed_16_16_t add_fixed16_u32(uint_fixed_16_16_t add1,
uint32_t add2)
u32 add2)
{
uint64_t interm_sum;
u64 interm_sum;
uint_fixed_16_16_t interm_add2 = u32_to_fixed16(add2);
interm_sum = (uint64_t) add1.val + interm_add2.val;
interm_sum = (u64)add1.val + interm_add2.val;
return clamp_u64_to_fixed16(interm_sum);
}