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drm/udl: fix line iterator in damage handling
The udl damage handler is supposed to render 'height' lines, but its iterator has an obvious typo that makes it miss most lines if the rectangle does not cover 0/0. Fix the damage handler to correctly render all lines. This is a fallout from: commit e375882 Author: Noralf Trønnes <[email protected]> Date: Thu Apr 28 17:18:37 2016 +0200 drm/udl: Use drm_fb_helper deferred_io support Tested-by: poma <[email protected]> Cc: [email protected] # 4.7+ Reviewed-by: Daniel Vetter <[email protected]> Signed-off-by: David Herrmann <[email protected]> Reviewed-by: Eric Engestrom <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
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