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| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2019-04-08 17:27:01 +0200 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2019-05-03 19:09:51 +0200 |
| commit | d492a29d8c93415f121e4b3d75c60c91e6da2570 (patch) | |
| tree | 438360be07b44d91982562512a0d7e4ff026e7ec /drivers/gpu/drm/i915/i915_fixed.h | |
| parent | drm/i915: Allow ICL pipe "HDR mode" when the cursor is visible (diff) | |
| download | linux-d492a29d8c93415f121e4b3d75c60c91e6da2570.tar.xz linux-d492a29d8c93415f121e4b3d75c60c91e6da2570.zip | |
drm/i915: Use mul_u32_u32() more
We have a lot of '(u64)foo * bar' everywhere. Replace with
mul_u32_u32() to avoid gcc failing to use a regular 32x32->64
multiply for this.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190408152702.4153-1-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_fixed.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_fixed.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_fixed.h b/drivers/gpu/drm/i915/i915_fixed.h index 591dd89ba7af..6621595fe74c 100644 --- a/drivers/gpu/drm/i915/i915_fixed.h +++ b/drivers/gpu/drm/i915/i915_fixed.h @@ -71,7 +71,7 @@ static inline u32 mul_round_up_u32_fixed16(u32 val, uint_fixed_16_16_t mul) { u64 tmp; - tmp = (u64)val * mul.val; + tmp = mul_u32_u32(val, mul.val); tmp = DIV_ROUND_UP_ULL(tmp, 1 << 16); WARN_ON(tmp > U32_MAX); @@ -83,7 +83,7 @@ static inline uint_fixed_16_16_t mul_fixed16(uint_fixed_16_16_t val, { u64 tmp; - tmp = (u64)val.val * mul.val; + tmp = mul_u32_u32(val.val, mul.val); tmp = tmp >> 16; return clamp_u64_to_fixed16(tmp); @@ -114,7 +114,7 @@ static inline uint_fixed_16_16_t mul_u32_fixed16(u32 val, uint_fixed_16_16_t mul { u64 tmp; - tmp = (u64)val * mul.val; + tmp = mul_u32_u32(val, mul.val); return clamp_u64_to_fixed16(tmp); } |