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authorJoonyoung Shim <jy0922.shim@samsung.com>2012-12-14 15:48:23 +0900
committerInki Dae <inki.dae@samsung.com>2012-12-14 15:54:36 +0900
commitf56aad3a697a0189c76100236190e26c1f8e446b (patch)
treef93c840c3b3f61e09199946d2506f1a46e84bae4 /drivers
parent60a705a9f97b83b1daf03295bf123af84a46116a (diff)
drm/exynos: fix x, y coordinates for right bottom pixel
The x, y coordinates of right bottom pixel cannot be negative numbers. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_fimd.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 90ca4b279a0..ae0153badaf 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -471,6 +471,8 @@ static void fimd_win_commit(struct device *dev, int zpos)
struct fimd_win_data *win_data;
int win = zpos;
unsigned long val, alpha, size;
+ unsigned int last_x;
+ unsigned int last_y;
DRM_DEBUG_KMS("%s\n", __FILE__);
@@ -524,16 +526,18 @@ static void fimd_win_commit(struct device *dev, int zpos)
VIDOSDxA_TOPLEFT_Y(win_data->offset_y);
writel(val, ctx->regs + VIDOSD_A(win));
- val = VIDOSDxB_BOTRIGHT_X(win_data->offset_x +
- win_data->ovl_width - 1) |
- VIDOSDxB_BOTRIGHT_Y(win_data->offset_y +
- win_data->ovl_height - 1);
+ last_x = win_data->offset_x + win_data->ovl_width;
+ if (last_x)
+ last_x--;
+ last_y = win_data->offset_y + win_data->ovl_height;
+ if (last_y)
+ last_y--;
+
+ val = VIDOSDxB_BOTRIGHT_X(last_x) | VIDOSDxB_BOTRIGHT_Y(last_y);
writel(val, ctx->regs + VIDOSD_B(win));
DRM_DEBUG_KMS("osd pos: tx = %d, ty = %d, bx = %d, by = %d\n",
- win_data->offset_x, win_data->offset_y,
- win_data->offset_x + win_data->ovl_width - 1,
- win_data->offset_y + win_data->ovl_height - 1);
+ win_data->offset_x, win_data->offset_y, last_x, last_y);
/* hardware window 0 doesn't support alpha channel. */
if (win != 0) {