diff options
| author | Ingo Molnar <mingo@kernel.org> | 2014-06-06 07:55:06 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-06-06 07:55:06 +0200 |
| commit | ec00010972a0971b2c1da4fbe4e5c7d8ed1ecb05 (patch) | |
| tree | c28975d7daf6d8a3aa23afe8f42837b71105b269 /drivers/gpu/drm/i915/intel_panel.c | |
| parent | 8c6e549a447c51f4f8c0ba7f1e444469f75a354a (diff) | |
| parent | e041e328c4b41e1db79bfe5ba9992c2ed771ad19 (diff) | |
Merge branch 'perf/urgent' into perf/core, to resolve conflict and to prepare for new patches
Conflicts:
arch/x86/kernel/traps.c
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_panel.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_panel.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index 0eead16aeda..cb8cfb7e097 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -492,6 +492,7 @@ void intel_panel_set_backlight(struct intel_connector *connector, u32 level, enum pipe pipe = intel_get_pipe_from_connector(connector); u32 freq; unsigned long flags; + u64 n; if (!panel->backlight.present || pipe == INVALID_PIPE) return; @@ -502,10 +503,9 @@ void intel_panel_set_backlight(struct intel_connector *connector, u32 level, /* scale to hardware max, but be careful to not overflow */ freq = panel->backlight.max; - if (freq < max) - level = level * freq / max; - else - level = freq / max * level; + n = (u64)level * freq; + do_div(n, max); + level = n; panel->backlight.level = level; if (panel->backlight.device) |