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drm/rockchip: vop: Fix virtual stride calculation
authorMark Yao <mark.yao@rock-chips.com>
Fri, 26 Jun 2015 10:07:25 +0000 (18:07 +0800)
committerMark Yao <mark.yao@rock-chips.com>
Wed, 26 Aug 2015 06:16:25 +0000 (14:16 +0800)
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 patch | blob | blame | history

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index 34b78e73653248316fcd24732d03d253454c6e50..6b447318ef510b98bd66250603d9769eaffb25f3 100644 (file)
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -667,7 +667,7 @@ 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