drm/rockchip: Set line flag config register in vop_crtc_enable

We need to set vop config done after update line flag config, it's a
new requirement for chips newer than rk3368.

Since we would only use line flag irq for vact_end, let's move it to
vop_crtc_enable.

Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Acked-by: Mark Yao <mark.yao@rock-chips.com
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1493276057-4516-1-git-send-email-jeffy.chen@rock-chips.com

diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
index d8fa7a9c9240bdf53f06d214f5952af7f85e5ee4..9bfdbc6b37d5c985f7557bf013f382b2ac4105aa 100644 (file)
--- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
+++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
@@ -115,8 +115,8 @@ static void analogix_dp_psr_work(struct work_struct *work)
 
        vact_end = crtc->mode.vtotal - crtc->mode.vsync_start + crtc->mode.vdisplay;
 
-       ret = rockchip_drm_wait_line_flag(dp->encoder.crtc, vact_end,
-                                         PSR_WAIT_LINE_FLAG_TIMEOUT_MS);
+       ret = rockchip_drm_wait_vact_end(dp->encoder.crtc,
+                                        PSR_WAIT_LINE_FLAG_TIMEOUT_MS);
        if (ret) {
                dev_err(dp->dev, "line flag interrupt did not arrive\n");
                return;

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
index a48fcce3f5f65edb70ca216583a87c7a1ae5a11c..47905faf55863f93b5768756f8f667ddcec5226a 100644 (file)
--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
@@ -62,8 +62,7 @@ int rockchip_drm_dma_attach_device(struct drm_device *drm_dev,
                                   struct device *dev);
 void rockchip_drm_dma_detach_device(struct drm_device *drm_dev,
                                    struct device *dev);
-int rockchip_drm_wait_line_flag(struct drm_crtc *crtc, unsigned int line_num,
-                               unsigned int mstimeout);
+int rockchip_drm_wait_vact_end(struct drm_crtc *crtc, unsigned int mstimeout);
 
 extern struct platform_driver cdn_dp_driver;
 extern struct platform_driver dw_hdmi_rockchip_pltfm_driver;

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index 3f7a82d1e0956e6a37e1478412210955db38aa19..40a5e6ef6f2c858fabe5908fb40a6f93dd0b9846 100644 (file)
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -468,7 +468,7 @@ static bool vop_line_flag_irq_is_enabled(struct vop *vop)
        return !!line_flag_irq;
 }
 
-static void vop_line_flag_irq_enable(struct vop *vop, int line_num)
+static void vop_line_flag_irq_enable(struct vop *vop)
 {
        unsigned long flags;
 
@@ -477,7 +477,6 @@ static void vop_line_flag_irq_enable(struct vop *vop, int line_num)
 
        spin_lock_irqsave(&vop->irq_lock, flags);
 
-       VOP_CTRL_SET(vop, line_flag_num[0], line_num);
        VOP_INTR_SET_TYPE(vop, clear, LINE_FLAG_INTR, 1);
        VOP_INTR_SET_TYPE(vop, enable, LINE_FLAG_INTR, 1);
 
@@ -981,6 +980,8 @@ static void vop_crtc_enable(struct drm_crtc *crtc)
        VOP_CTRL_SET(vop, vact_st_end, val);
        VOP_CTRL_SET(vop, vpost_st_end, val);
 
+       VOP_CTRL_SET(vop, line_flag_num[0], vact_end);
+
        clk_set_rate(vop->dclk, adjusted_mode->clock * 1000);
 
        VOP_CTRL_SET(vop, standby, 0);
@@ -1507,19 +1508,16 @@ static void vop_win_init(struct vop *vop)
 }
 
 /**
- * rockchip_drm_wait_line_flag - acqiure the give line flag event
+ * rockchip_drm_wait_vact_end
  * @crtc: CRTC to enable line flag
- * @line_num: interested line number
  * @mstimeout: millisecond for timeout
  *
- * Driver would hold here until the interested line flag interrupt have
- * happened or timeout to wait.
+ * Wait for vact_end line flag irq or timeout.
  *
  * Returns:
  * Zero on success, negative errno on failure.
  */
-int rockchip_drm_wait_line_flag(struct drm_crtc *crtc, unsigned int line_num,
-                               unsigned int mstimeout)
+int rockchip_drm_wait_vact_end(struct drm_crtc *crtc, unsigned int mstimeout)
 {
        struct vop *vop = to_vop(crtc);
        unsigned long jiffies_left;
@@ -1527,14 +1525,14 @@ int rockchip_drm_wait_line_flag(struct drm_crtc *crtc, unsigned int line_num,
        if (!crtc || !vop->is_enabled)
                return -ENODEV;
 
-       if (line_num > crtc->mode.vtotal || mstimeout <= 0)
+       if (mstimeout <= 0)
                return -EINVAL;
 
        if (vop_line_flag_irq_is_enabled(vop))
                return -EBUSY;
 
        reinit_completion(&vop->line_flag_completion);
-       vop_line_flag_irq_enable(vop, line_num);
+       vop_line_flag_irq_enable(vop);
 
        jiffies_left = wait_for_completion_timeout(&vop->line_flag_completion,
                                                   msecs_to_jiffies(mstimeout));
@@ -1547,7 +1545,7 @@ int rockchip_drm_wait_line_flag(struct drm_crtc *crtc, unsigned int line_num,
 
        return 0;
 }
-EXPORT_SYMBOL(rockchip_drm_wait_line_flag);
+EXPORT_SYMBOL(rockchip_drm_wait_vact_end);
 
 static int vop_bind(struct device *dev, struct device *master, void *data)
 {