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drm/rockchip: rgb: Add LCDC_IO BYPASS for rv1126

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The LCDC_IO bypass bit should be enabled when vop
output as mcu interface.

Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Change-Id: I8a1f6c3da8ec21fb76796faffb2ee74389c10f0e
This commit is contained in:
Andy Yan
2020-04-20 18:00:08 +08:00
committed by Tao Huang
parent e689347d46
commit c1b779797a
1 changed files with 14 additions and 1 deletions
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15
drivers/gpu/drm/rockchip/rockchip_rgb.c
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@@ -41,6 +41,9 @@
#define RK1808_GRF_PD_VO_CON1 0x0444
#define RK1808_RGB_DATA_SYNC_BYPASS(v) HIWORD_UPDATE(v, 3, 3)
#define RV1126_GRF_IOFUNC_CON3 0x1026c
#define RV1126_LCDC_IO_BYPASS(v) HIWORD_UPDATE(v, 0, 0)
#define RK3288_GRF_SOC_CON6 0x025c
#define RK3288_LVDS_LCDC_SEL(x) HIWORD_UPDATE(x, 3, 3)
#define RK3288_GRF_SOC_CON7 0x0260
@@ -417,6 +420,16 @@ static const struct rockchip_rgb_funcs rk3288_rgb_funcs = {
.disable = rk3288_rgb_disable,
};
static void rv1126_rgb_enable(struct rockchip_rgb *rgb)
{
regmap_write(rgb->grf, RV1126_GRF_IOFUNC_CON3,
RV1126_LCDC_IO_BYPASS(rgb->data_sync_bypass));
}
static const struct rockchip_rgb_funcs rv1126_rgb_funcs = {
.enable = rv1126_rgb_enable,
};
static const struct of_device_id rockchip_rgb_dt_ids[] = {
{ .compatible = "rockchip,px30-rgb", .data = &px30_rgb_funcs },
{ .compatible = "rockchip,rk1808-rgb", .data = &rk1808_rgb_funcs },
@@ -426,7 +439,7 @@ static const struct of_device_id rockchip_rgb_dt_ids[] = {
{ .compatible = "rockchip,rk3308-rgb", },
{ .compatible = "rockchip,rk3368-rgb", },
{ .compatible = "rockchip,rv1108-rgb", },
{ .compatible = "rockchip,rv1126-rgb", },
{ .compatible = "rockchip,rv1126-rgb", .data = &rv1126_rgb_funcs},
{}
};
MODULE_DEVICE_TABLE(of, rockchip_rgb_dt_ids);