vir_stride need number words of the virtual width, and fb->pitches save bytes_per_pixel, so just div 4 switch to stride.
Signed-off-by: Mark Yao mark.yao@rock-chips.com --- drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index 6188221..3c9f4f3 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -644,7 +644,7 @@ static int vop_update_plane_event(struct drm_plane *plane, offset += (src.y1 >> 16) * fb->pitches[0]; yrgb_mst = rk_obj->dma_addr + offset;
- y_vir_stride = fb->pitches[0] / (fb->bits_per_pixel >> 3); + y_vir_stride = fb->pitches[0] >> 2;
/* * If this plane update changes the plane's framebuffer, (or more