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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>
This commit is contained in:
Benjamin Herrenschmidt 2014-10-07 19:04:58 +11:00 committed by Dave Airlie
parent 46d987af76
commit 1e99cfa8de
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/ast/ast_mode.c
View File

@ -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;