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>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/video/rockchip/rk_vop.c b/drivers/video/rockchip/rk_vop.c
index 6809246..6e0fffa 100644
--- a/drivers/video/rockchip/rk_vop.c
+++ b/drivers/video/rockchip/rk_vop.c
@@ -181,13 +181,11 @@
*
* @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 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 @@
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 @@
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)