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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_dpll_mgr.c | |
| parent | b7ffc4a839a553b07b34543684e79526f2ffecb8 (diff) | |
| download | linux-stable-d492a29d8c93415f121e4b3d75c60c91e6da2570.tar.gz linux-stable-d492a29d8c93415f121e4b3d75c60c91e6da2570.tar.bz2 linux-stable-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/intel_dpll_mgr.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dpll_mgr.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_dpll_mgr.c b/drivers/gpu/drm/i915/intel_dpll_mgr.c index 8f731a6f9bd7..bb81f3506222 100644 --- a/drivers/gpu/drm/i915/intel_dpll_mgr.c +++ b/drivers/gpu/drm/i915/intel_dpll_mgr.c @@ -2743,11 +2743,11 @@ static bool icl_calc_mg_pll_state(struct intel_crtc_state *crtc_state) } if (use_ssc) { - tmp = (u64)dco_khz * 47 * 32; + tmp = mul_u32_u32(dco_khz, 47 * 32); do_div(tmp, refclk_khz * m1div * 10000); ssc_stepsize = tmp; - tmp = (u64)dco_khz * 1000; + tmp = mul_u32_u32(dco_khz, 1000); ssc_steplen = DIV_ROUND_UP_ULL(tmp, 32 * 2 * 32); } else { ssc_stepsize = 0; |