2017-04-18 15:09 GMT+08:00 Eric Gao eric.gao@rock-chips.com:
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
Reviewed-by: Eddie Cai eddie.cai.linux@gmail.com
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)-- 1.9.1
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