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EDP: avoid repeatedly enable.

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Signed-off-by: xubilv <xbl@rock-chips.com>
This commit is contained in:
xubilv
2015-05-16 14:24:14 +08:00
parent cb1633da01
commit 4c72ed2af6
2 changed files with 43 additions and 41 deletions
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83
drivers/video/rockchip/transmitter/rk32_dp.c
View File

@@ -1181,62 +1181,63 @@ static int rk32_edp_enable(void)
int ret = 0;
struct rk32_edp *edp = rk32_edp;
if (!edp->edp_en) {
rk32_edp_clk_enable(edp);
rk32_edp_pre_init(edp);
rk32_edp_init_edp(edp);
enable_irq(edp->irq);
/*ret = rk32_edp_handle_edid(edp);
if (ret) {
dev_err(edp->dev, "unable to handle edid\n");
//goto out;
}
rk32_edp_clk_enable(edp);
rk32_edp_pre_init(edp);
rk32_edp_init_edp(edp);
enable_irq(edp->irq);
/*ret = rk32_edp_handle_edid(edp);
if (ret) {
dev_err(edp->dev, "unable to handle edid\n");
//goto out;
}
ret = rk32_edp_enable_scramble(edp, 0);
if (ret) {
dev_err(edp->dev, "unable to set scramble\n");
//goto out;
}
ret = rk32_edp_enable_rx_to_enhanced_mode(edp, 0);
if (ret) {
dev_err(edp->dev, "unable to set enhanced mode\n");
//goto out;
}
rk32_edp_enable_enhanced_mode(edp, 1);*/
ret = rk32_edp_enable_scramble(edp, 0);
if (ret) {
dev_err(edp->dev, "unable to set scramble\n");
//goto out;
}
ret = rk32_edp_set_link_train(edp);
if (ret)
dev_err(edp->dev, "link train failed!\n");
else
dev_info(edp->dev, "link training success.\n");
ret = rk32_edp_enable_rx_to_enhanced_mode(edp, 0);
if (ret) {
dev_err(edp->dev, "unable to set enhanced mode\n");
//goto out;
}
rk32_edp_enable_enhanced_mode(edp, 1);*/
ret = rk32_edp_set_link_train(edp);
if (ret)
dev_err(edp->dev, "link train failed!\n");
else
dev_info(edp->dev, "link training success.\n");
rk32_edp_set_lane_count(edp, edp->link_train.lane_count);
rk32_edp_set_link_bandwidth(edp, edp->link_train.link_rate);
rk32_edp_init_video(edp);
rk32_edp_set_lane_count(edp, edp->link_train.lane_count);
rk32_edp_set_link_bandwidth(edp, edp->link_train.link_rate);
rk32_edp_init_video(edp);
#ifdef EDP_BIST_MODE
rk32_edp_bist_cfg(edp);
rk32_edp_bist_cfg(edp);
#endif
ret = rk32_edp_config_video(edp, &edp->video_info);
if (ret)
dev_err(edp->dev, "unable to config video\n");
ret = rk32_edp_config_video(edp, &edp->video_info);
if (ret)
dev_err(edp->dev, "unable to config video\n");
edp->edp_en = true;
}
return ret;
}
static int rk32_edp_disable(void)
{
struct rk32_edp *edp = rk32_edp;
disable_irq(edp->irq);
rk32_edp_reset(edp);
rk32_edp_analog_power_ctr(edp, 0);
rk32_edp_clk_disable(edp);
if (edp->edp_en) {
disable_irq(edp->irq);
rk32_edp_reset(edp);
rk32_edp_analog_power_ctr(edp, 0);
rk32_edp_clk_disable(edp);
edp->edp_en = false;
}
return 0;
}

1
drivers/video/rockchip/transmitter/rk32_dp.h Normal file → Executable file
View File

@@ -531,6 +531,7 @@ struct rk32_edp {
struct rk_screen screen;
struct fb_monspecs specs;
bool clk_on;
bool edp_en;
struct dentry *debugfs_dir;
};