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| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2019-04-08 18:27:01 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2019-05-03 20:09:51 +0300 |
| commit | d492a29d8c93415f121e4b3d75c60c91e6da2570 (patch) | |
| tree | 438360be07b44d91982562512a0d7e4ff026e7ec /drivers/gpu/drm/i915/intel_pm.c | |
| parent | b7ffc4a839a553b07b34543684e79526f2ffecb8 (diff) | |
| download | linux-d492a29d8c93415f121e4b3d75c60c91e6da2570.tar.xz | |
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/intel_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 3da7419d9800..ef9fc77f8162 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -678,7 +678,7 @@ static unsigned int intel_wm_method1(unsigned int pixel_rate, { u64 ret; - ret = (u64)pixel_rate * cpp * latency; + ret = mul_u32_u32(pixel_rate, cpp * latency); ret = DIV_ROUND_UP_ULL(ret, 10000); return ret; |