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drm/rockchip: vop: don't force enable post scale

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Vop would always report post buf empty error if enable
post scale config with non-scale factor

Change-Id: Ibc3f27c674195e6467471069488f14471927f709
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
This commit is contained in:
Mark Yao
2017-07-20 18:57:40 +08:00
committed by Huang, Tao
parent 1dc3517d2f
commit 7f1f1ef3ba
1 changed files with 6 additions and 1 deletions
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7
drivers/gpu/drm/rockchip/rockchip_drm_vop.c
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@@ -2053,7 +2053,12 @@ static void vop_post_config(struct drm_crtc *crtc)
val = scl_cal_scale2(vdisplay, vsize) << 16;
val |= scl_cal_scale2(hdisplay, hsize);
VOP_CTRL_SET(vop, post_scl_factor, val);
VOP_CTRL_SET(vop, post_scl_ctrl, 0x3);
#define POST_HORIZONTAL_SCALEDOWN_EN(x) ((x) << 0)
#define POST_VERTICAL_SCALEDOWN_EN(x) ((x) << 1)
VOP_CTRL_SET(vop, post_scl_ctrl,
POST_HORIZONTAL_SCALEDOWN_EN(hdisplay != hsize) ||
POST_VERTICAL_SCALEDOWN_EN(vdisplay != vsize));
if (mode->flags & DRM_MODE_FLAG_INTERLACE) {
u16 vact_st_f1 = vtotal + vact_st + 1;
u16 vact_end_f1 = vact_st_f1 + vsize;