Messages in this thread | | | From | Maxime Ripard <> | Subject | Re: [PATCH] drm/sun4i: dsi: Prevent underflow when computing packet sizes | Date | Mon, 15 Aug 2022 09:47:14 +0200 |
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On Thu, 11 Aug 2022 22:16:23 -0500, Samuel Holland wrote: > Currently, the packet overhead is subtracted using unsigned arithmetic. > With a short sync pulse, this could underflow and wrap around to near > the maximal u16 value. Fix this by using signed subtraction. The call to > max() will correctly handle any negative numbers that are produced. > > Apply the same fix to the other timings, even though those subtractions > are less likely to underflow. > > [...]
Applied to drm/drm-misc (drm-misc-fixes).
Thanks! Maxime
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