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
---
Changes in v3: None Changes in v2: -Change the bitwidth for different display mode.
drivers/video/rockchip/rk_vop.c | 20 ++++++++++++++++---- 1 file changed, 16 insertions(+), 4 deletions(-)
diff --git a/drivers/video/rockchip/rk_vop.c b/drivers/video/rockchip/rk_vop.c index 84d6627..a637f7d 100644 --- a/drivers/video/rockchip/rk_vop.c +++ b/drivers/video/rockchip/rk_vop.c @@ -181,13 +181,11 @@ 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; @@ -199,6 +197,7 @@ 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); @@ -253,6 +252,19 @@ int rk_display_init(struct udevice *dev, ulong fbbase, return ret; }
+ /* 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); @@ -330,7 +342,7 @@ 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)