On Mon, Jun 22, 2020 at 10:45 PM Denis Efremov <efre...@linux.com> wrote:
>
> psb_accel_2d_copy() checks direction PSB_2D_COPYORDER_BR2TL twice.
> Based on psb_accel_2d_copy_direction() results, PSB_2D_COPYORDER_TL2BR
> should be checked instead in the second direction check.
>
> Fixes: 4d8d096e9ae8 ("gma500: introduce the framebuffer support code")
> Cc: sta...@vger.kernel.org
> Signed-off-by: Denis Efremov <efre...@linux.com>
> ---
> drivers/gpu/drm/gma500/accel_2d.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/gma500/accel_2d.c
> b/drivers/gpu/drm/gma500/accel_2d.c
> index adc0507545bf..8dc86aac54d2 100644
> --- a/drivers/gpu/drm/gma500/accel_2d.c
> +++ b/drivers/gpu/drm/gma500/accel_2d.c
> @@ -179,8 +179,8 @@ static int psb_accel_2d_copy(struct drm_psb_private
> *dev_priv,
> src_x += size_x - 1;
> dst_x += size_x - 1;
> }
> - if (direction == PSB_2D_COPYORDER_BR2TL ||
> - direction == PSB_2D_COPYORDER_BL2TR) {
> + if (direction == PSB_2D_COPYORDER_BL2TR ||
> + direction == PSB_2D_COPYORDER_TL2BR) {
Hi Denis,
Sorry, I don't follow. The code seems already correct to me.
src_x and dst_x gets adjusted when going from right to left
src_y and dst_y gets adjusted when going from bottom to top.
PSB_2D_COPYORDER_TL2BR needs no adjustment because it is the normal
blit direction.
Thanks
Patrik
> src_y += size_y - 1;
> dst_y += size_y - 1;
> }
> --
> 2.26.2
>
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