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drm/radeon: Set cursor x/y to 0 when x/yorigin > 0.

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Apart from the obvious cleanup, this should make the line

			cursor_end = x - xorigin + w;

correct now.

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Michel Dänzer 2011-09-30 17:16:53 +02:00 committed by Dave Airlie
parent b8aee294d8
commit 02e6859eae
1 changed files with 10 additions and 10 deletions
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20
drivers/gpu/drm/radeon/radeon_cursor.c
View file

@ -215,10 +215,14 @@ int radeon_crtc_cursor_move(struct drm_crtc *crtc,
}
DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
if (x < 0)
if (x < 0) {
xorigin = min(-x, CURSOR_WIDTH - 1);
if (y < 0)
x = 0;
}
if (y < 0) {
yorigin = min(-y, CURSOR_HEIGHT - 1);
y = 0;
}
if (ASIC_IS_AVIVO(rdev)) {
int i = 0;
@ -251,16 +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));
@ -274,8 +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)));