| commit | d492a29d8c93415f121e4b3d75c60c91e6da2570 | [log] [tgz] |
|---|---|---|
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | Mon Apr 08 18:27:01 2019 +0300 |
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | Fri May 03 20:09:51 2019 +0300 |
| tree | 438360be07b44d91982562512a0d7e4ff026e7ec | |
| parent | b7ffc4a839a553b07b34543684e79526f2ffecb8 [diff] [blame] |
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>
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 3da7419..ef9fc77 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;