diff options
| author | eric.gao@rock-chips.com <eric.gao@rock-chips.com> | 2017-04-20 12:45:55 +0800 |
|---|---|---|
| committer | Philipp Tomsich <philipp.tomsich@theobroma-systems.com> | 2017-05-16 00:15:59 +0200 |
| commit | 754bc41b4f2b4c67d6133eb4cef7b1f82ca4887c (patch) | |
| tree | 7f72c559f15e8965e13802f15f867c052e8a4fa4 | |
| parent | 88f393e2bc2886709b9ac35addf4e0946a2c159d (diff) | |
rockchip: video: vop: Set different bitwidth for different display mode
Because the bitwidth is different for different display mode, so we need
to set them according to demand.
Signed-off-by: Eric Gao <eric.gao@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | drivers/video/rockchip/rk_vop.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/video/rockchip/rk_vop.c b/drivers/video/rockchip/rk_vop.c index 0691fdf8cd..cd5e7aadf3 100644 --- a/drivers/video/rockchip/rk_vop.c +++ b/drivers/video/rockchip/rk_vop.c @@ -177,13 +177,11 @@ void rkvop_mode_set(struct rk3288_vop *regs, * * @dev: VOP device that we want to connect to the display * @fbbase: Frame buffer address - * @l2bpp Log2 of bits-per-pixels for the display * @ep_node: Device tree node to process - this is the offset of an endpoint * node within the VOP's 'port' list. * @return 0 if OK, -ve if something went wrong */ -int rk_display_init(struct udevice *dev, ulong fbbase, - enum video_log2_bpp l2bpp, int ep_node) +int rk_display_init(struct udevice *dev, ulong fbbase, int ep_node) { struct video_priv *uc_priv = dev_get_uclass_priv(dev); const void *blob = gd->fdt_blob; @@ -195,6 +193,7 @@ int rk_display_init(struct udevice *dev, ulong fbbase, int ret, remote, i, offset; struct display_plat *disp_uc_plat; struct clk clk; + enum video_log2_bpp l2bpp; vop_id = fdtdec_get_int(blob, ep_node, "reg", -1); debug("vop_id=%d\n", vop_id); @@ -251,6 +250,19 @@ int rk_display_init(struct udevice *dev, ulong fbbase, } } + /* Set bitwidth for vop display according to vop mode */ + switch (vop_id) { + case VOP_MODE_EDP: + case VOP_MODE_HDMI: + case VOP_MODE_LVDS: + l2bpp = VIDEO_BPP16; + break; + case VOP_MODE_MIPI: + l2bpp = VIDEO_BPP32; + break; + default: + l2bpp = VIDEO_BPP16; + } rkvop_mode_set(regs, &timing, vop_id); rkvop_enable(regs, fbbase, 1 << l2bpp, &timing); @@ -328,7 +340,7 @@ static int rk_vop_probe(struct udevice *dev) for (node = fdt_first_subnode(blob, port); node > 0; node = fdt_next_subnode(blob, node)) { - ret = rk_display_init(dev, plat->base, VIDEO_BPP16, node); + ret = rk_display_init(dev, plat->base, node); if (ret) debug("Device failed: ret=%d\n", ret); if (!ret) |