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drm/rockchip: vop: Fix window dest start point 

Dest start point use crtc_x/y is wrong, crtc_x/y is not equal
to dest.x1/y1 at plane scale.

Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
This commit is contained in:
Mark Yao 2015-07-20 16:02:47 +08:00
parent f1c79abef5
commit acf8c3e0a9
1 changed files with 2 additions and 4 deletions
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6
drivers/gpu/drm/rockchip/rockchip_drm_vop.c
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@ -657,11 +657,9 @@ static int vop_update_plane_event(struct drm_plane *plane,
actual_w = (src.x2 - src.x1) >> 16;
actual_h = (src.y2 - src.y1) >> 16;
crtc_x = max(0, crtc_x);
crtc_y = max(0, crtc_y);
dsp_stx = crtc_x + crtc->mode.htotal - crtc->mode.hsync_start;
dsp_sty = crtc_y + crtc->mode.vtotal - crtc->mode.vsync_start;
dsp_stx = dest.x1 + crtc->mode.htotal - crtc->mode.hsync_start;
dsp_sty = dest.y1 + crtc->mode.vtotal - crtc->mode.vsync_start;
offset = (src.x1 >> 16) * (fb->bits_per_pixel >> 3);
offset += (src.y1 >> 16) * fb->pitches[0];