Since atomic framework, crtc enable and disable are in pairs,
no need to wait vblank.
Signed-off-by: Mark Yao <mark.yao@xxxxxxxxxxxxxx>
---
drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 36 -----------------------------
1 file changed, 36 deletions(-)
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index 1d42049..0bfd563 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -893,42 +893,6 @@ static void vop_crtc_enable(struct drm_crtc *crtc)
return;
}
- /*
- * If dclk rate is zero, mean that scanout is stop,
- * we don't need wait any more.
- */
- if (clk_get_rate(vop->dclk)) {
- /*
- * Rk3288 vop timing register is immediately, when configure
- * display timing on display time, may cause tearing.
- *
- * Vop standby will take effect at end of current frame,
- * if dsp hold valid irq happen, it means standby complete.
- *
- * mode set:
- * standby and wait complete --> |----
- * | display time
- * |----
- * |---> dsp hold irq
- * configure display timing --> |
- * standby exit |
- * | new frame start.
- */
-
- reinit_completion(&vop->dsp_hold_completion);
- vop_dsp_hold_valid_irq_enable(vop);
-
- spin_lock(&vop->reg_lock);
-
- VOP_REG_SET(vop, common, standby, 1);
-
- spin_unlock(&vop->reg_lock);
-
- wait_for_completion(&vop->dsp_hold_completion);
-
- vop_dsp_hold_valid_irq_disable(vop);
- }
-
pin_pol = BIT(DCLK_INVERT);
pin_pol |= (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC) ?
BIT(HSYNC_POSITIVE) : 0;
--
1.9.1
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