[Intel-gfx] [PATCH v3] drm/i915: restore backlight precision when converting from opregion

2014-05-15 Thread Jani Nikula
On Mon, 12 May 2014, Aaron Lu wrote: > On 05/04/2014 03:22 PM, Chris Wilson wrote: >> 32b * 32b = 32b >> >> n = (u64)level * freq; to avoid overflow as you claim. > > Updated patch to fix this problem is here, thanks! Pushed to -fixes with Chris' IRC r-b, thanks for the patch and review. BR,

[PATCH v3] drm/i915: restore backlight precision when converting from opregion

2014-05-12 Thread Aaron Lu
On 05/04/2014 03:22 PM, Chris Wilson wrote: > 32b * 32b = 32b > > n = (u64)level * freq; to avoid overflow as you claim. Updated patch to fix this problem is here, thanks! >From a0f41a92d949c814c203672ff7efe219a90ca6df Mon Sep 17 00:00:00 2001 From: Aaron Lu Date: Mon, 28