pxa2xx_lcd: add proper rotation support

Until now, pxa2xx_lcd only supported 90deg rotation, but
some machines (for example Zipit Z2) needs 270deg rotation.

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/hw/framebuffer.c b/hw/framebuffer.c
index 24cdf25d0..56cf16e27 100644
--- a/hw/framebuffer.c
+++ b/hw/framebuffer.c
@@ -78,6 +78,9 @@ void framebuffer_update_display(
     dest = ds_get_data(ds);
     if (dest_col_pitch < 0)
         dest -= dest_col_pitch * (cols - 1);
+    if (dest_row_pitch < 0) {
+        dest -= dest_row_pitch * (rows - 1);
+    }
     first = -1;
     addr = pd;