drm/ast: Fix HW cursor image

The translation from the X driver to the KMS one typo'ed a couple
of array indices, causing the HW cursor to look weird (blocky with
leaking edge colors). This fixes it.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
index 19ada0b..9dc0fd5 100644 (file)
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -1104,8 +1104,8 @@ static u32 copy_cursor_image(u8 *src, u8 *dst, int width, int height)
                        srcdata32[1].ul = *((u32 *)(srcxor + 4)) & 0xf0f0f0f0;
                        data32.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4);
                        data32.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4);
-                       data32.b[2] = srcdata32[0].b[1] | (srcdata32[1].b[0] >> 4);
-                       data32.b[3] = srcdata32[0].b[3] | (srcdata32[1].b[2] >> 4);
+                       data32.b[2] = srcdata32[1].b[1] | (srcdata32[1].b[0] >> 4);
+                       data32.b[3] = srcdata32[1].b[3] | (srcdata32[1].b[2] >> 4);
 
                        writel(data32.ul, dstxor);
                        csum += data32.ul;