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

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

drivers/gpu/drm/i915/i915_fixed.h

@@ -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);
 }