diff options
Diffstat (limited to 'drivers/video/rockchip/rk_vop.c')
| -rw-r--r-- | drivers/video/rockchip/rk_vop.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/video/rockchip/rk_vop.c b/drivers/video/rockchip/rk_vop.c index c6d88d9225..eab548699f 100644 --- a/drivers/video/rockchip/rk_vop.c +++ b/drivers/video/rockchip/rk_vop.c @@ -195,7 +195,6 @@ int rk_display_init(struct udevice *dev, ulong fbbase, struct udevice *disp; int ret, remote, i, offset; struct display_plat *disp_uc_plat; - struct udevice *dev_clk; struct clk clk; vop_id = fdtdec_get_int(blob, ep_node, "reg", -1); @@ -222,6 +221,11 @@ int rk_display_init(struct udevice *dev, ulong fbbase, disp_uc_plat = dev_get_uclass_platdata(disp); debug("Found device '%s', disp_uc_priv=%p\n", disp->name, disp_uc_plat); + if (display_in_use(disp)) { + debug(" - device in use\n"); + return -EBUSY; + } + disp_uc_plat->source_id = remote_vop_id; disp_uc_plat->src_dev = dev; @@ -238,11 +242,7 @@ int rk_display_init(struct udevice *dev, ulong fbbase, return ret; } - ret = rockchip_get_clk(&dev_clk); - if (!ret) { - clk.id = DCLK_VOP0 + remote_vop_id; - ret = clk_request(dev_clk, &clk); - } + ret = clk_get_by_index(dev, 1, &clk); if (!ret) ret = clk_set_rate(&clk, timing.pixelclock.typ); if (ret) { @@ -316,6 +316,10 @@ static int rk_vop_probe(struct udevice *dev) /* * Try all the ports until we find one that works. In practice this * tries EDP first if available, then HDMI. + * + * Note that rockchip_vop_set_clk() always uses NPLL as the source + * clock so it is currently not possible to use more than one display + * device simultaneously. */ port = fdt_subnode_offset(blob, dev->of_offset, "port"); if (port < 0) |