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path: root/drivers/gpu/drm/radeon/radeon_cursor.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_cursor.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_cursor.c40
1 files changed, 19 insertions, 21 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_cursor.c b/drivers/gpu/drm/radeon/radeon_cursor.c
index 3189a7e..fde25c0 100644
--- a/drivers/gpu/drm/radeon/radeon_cursor.c
+++ b/drivers/gpu/drm/radeon/radeon_cursor.c
@@ -208,23 +208,25 @@ int radeon_crtc_cursor_move(struct drm_crtc *crtc,
int xorigin = 0, yorigin = 0;
int w = radeon_crtc->cursor_width;
- if (x < 0)
- xorigin = -x + 1;
- if (y < 0)
- yorigin = -y + 1;
- if (xorigin >= CURSOR_WIDTH)
- xorigin = CURSOR_WIDTH - 1;
- if (yorigin >= CURSOR_HEIGHT)
- yorigin = CURSOR_HEIGHT - 1;
-
if (ASIC_IS_AVIVO(rdev)) {
- int i = 0;
- struct drm_crtc *crtc_p;
-
/* avivo cursor are offset into the total surface */
x += crtc->x;
y += crtc->y;
- DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
+ }
+ DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
+
+ if (x < 0) {
+ xorigin = min(-x, CURSOR_WIDTH - 1);
+ x = 0;
+ }
+ if (y < 0) {
+ yorigin = min(-y, CURSOR_HEIGHT - 1);
+ y = 0;
+ }
+
+ if (ASIC_IS_AVIVO(rdev)) {
+ int i = 0;
+ struct drm_crtc *crtc_p;
/* avivo cursor image can't end on 128 pixel boundary or
* go past the end of the frame if both crtcs are enabled
@@ -253,16 +255,12 @@ int radeon_crtc_cursor_move(struct drm_crtc *crtc,
radeon_lock_cursor(crtc, true);
if (ASIC_IS_DCE4(rdev)) {
- WREG32(EVERGREEN_CUR_POSITION + radeon_crtc->crtc_offset,
- ((xorigin ? 0 : x) << 16) |
- (yorigin ? 0 : y));
+ WREG32(EVERGREEN_CUR_POSITION + radeon_crtc->crtc_offset, (x << 16) | y);
WREG32(EVERGREEN_CUR_HOT_SPOT + radeon_crtc->crtc_offset, (xorigin << 16) | yorigin);
WREG32(EVERGREEN_CUR_SIZE + radeon_crtc->crtc_offset,
((w - 1) << 16) | (radeon_crtc->cursor_height - 1));
} else if (ASIC_IS_AVIVO(rdev)) {
- WREG32(AVIVO_D1CUR_POSITION + radeon_crtc->crtc_offset,
- ((xorigin ? 0 : x) << 16) |
- (yorigin ? 0 : y));
+ WREG32(AVIVO_D1CUR_POSITION + radeon_crtc->crtc_offset, (x << 16) | y);
WREG32(AVIVO_D1CUR_HOT_SPOT + radeon_crtc->crtc_offset, (xorigin << 16) | yorigin);
WREG32(AVIVO_D1CUR_SIZE + radeon_crtc->crtc_offset,
((w - 1) << 16) | (radeon_crtc->cursor_height - 1));
@@ -276,8 +274,8 @@ int radeon_crtc_cursor_move(struct drm_crtc *crtc,
| yorigin));
WREG32(RADEON_CUR_HORZ_VERT_POSN + radeon_crtc->crtc_offset,
(RADEON_CUR_LOCK
- | ((xorigin ? 0 : x) << 16)
- | (yorigin ? 0 : y)));
+ | (x << 16)
+ | y));
/* offset is from DISP(2)_BASE_ADDRESS */
WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset, (radeon_crtc->legacy_cursor_offset +
(yorigin * 256)));

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