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drm/radeon/kms: fix cursor image off-by-one error 

The mouse cursor hotspot calculation when the cursor is partially off the
top or left side of the screen was off by one.

Fixes https://bugs.freedesktop.org/show_bug.cgi?id=41158

Signed-off-by: Nicholas Miell <nmiell@gmail.com>
Reviewed-by: Michel Dänzer <michel@daenzer.net>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Nicholas Miell 2011-09-29 19:07:14 -07:00 committed by Dave Airlie
parent 5ba7ddf816
commit b356fe0afe
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/radeon/radeon_cursor.c
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@ -209,9 +209,9 @@ int radeon_crtc_cursor_move(struct drm_crtc *crtc,
int w = radeon_crtc->cursor_width;
if (x < 0)
xorigin = -x + 1;
xorigin = -x;
if (y < 0)
yorigin = -y + 1;
yorigin = -y;
if (xorigin >= CURSOR_WIDTH)
xorigin = CURSOR_WIDTH - 1;
if (yorigin >= CURSOR_HEIGHT)