drm/msm/mdp5: negative x/y in cursor move

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modesetting X11 driver may provide negative x/y cordinates in
mdp5_crtc_cursor_move call when rotation is enabled.

Cursor buffer can overlap down to its negative width/height.

ROI has to be recalculated for negative x/y indicating using the
lower/right corner of the cursor buffer and hotspot must be set
in MDP5_LM_CURSOR_XY_SRC_Y MDP5_LM_CURSOR_XY_SRC_X.

Signed-off-by: Carsten Behling <carsten.behling@gmail.com>
Signed-off-by: Rob Clark <robdclark@gmail.com>

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Carsten Behling 2018-07-16 19:49:56 +02:00 • committed by Rob Clark

parent 8f7ca54090

commit 23f9455157

1 changed files with 43 additions and 8 deletions

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drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c

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