From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Mon, 21 Oct 2013 16:01:58 +0000 (+0300)
Subject: drm/i915: Clamp cursor coordinates to int16_t range
X-Git-Tag: v3.13-rc1~76^2~11^2~24
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=92e76c8c7e436a07af3e0b594480ff8689add078;p=pandora-kernel.git

drm/i915: Clamp cursor coordinates to int16_t range

We store cursor_x/y as int16_t internally, but the user provided
coordinates are int32_t. Clamp the coordinates so that they don't
overflow the int16_t. Since the cursor is only 64x64 in size, the
clamping can't cause any visual changes.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

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