diff options
Diffstat (limited to 'drivers/gpu/drm/mediatek')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c index 11b20490087a..7a87196cb570 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -19,6 +19,8 @@ #define DISP_REG_OVL_EN 0x000c #define DISP_REG_OVL_RST 0x0014 #define DISP_REG_OVL_ROI_SIZE 0x0020 +#define DISP_REG_OVL_DATAPATH_CON 0x0024 +#define OVL_BGCLR_SEL_IN BIT(2) #define DISP_REG_OVL_ROI_BGCLR 0x0028 #define DISP_REG_OVL_SRC_CON 0x002c #define DISP_REG_OVL_CON(n) (0x0030 + 0x20 * (n)) @@ -237,6 +239,24 @@ static void mtk_ovl_layer_config(struct mtk_ddp_comp *comp, unsigned int idx, mtk_ovl_layer_on(comp, idx); } +static void mtk_ovl_bgclr_in_on(struct mtk_ddp_comp *comp) +{ + unsigned int reg; + + reg = readl(comp->regs + DISP_REG_OVL_DATAPATH_CON); + reg = reg | OVL_BGCLR_SEL_IN; + writel(reg, comp->regs + DISP_REG_OVL_DATAPATH_CON); +} + +static void mtk_ovl_bgclr_in_off(struct mtk_ddp_comp *comp) +{ + unsigned int reg; + + reg = readl(comp->regs + DISP_REG_OVL_DATAPATH_CON); + reg = reg & ~OVL_BGCLR_SEL_IN; + writel(reg, comp->regs + DISP_REG_OVL_DATAPATH_CON); +} + static const struct mtk_ddp_comp_funcs mtk_disp_ovl_funcs = { .config = mtk_ovl_config, .start = mtk_ovl_start, @@ -247,6 +267,8 @@ static const struct mtk_ddp_comp_funcs mtk_disp_ovl_funcs = { .layer_on = mtk_ovl_layer_on, .layer_off = mtk_ovl_layer_off, .layer_config = mtk_ovl_layer_config, + .bgclr_in_on = mtk_ovl_bgclr_in_on, + .bgclr_in_off = mtk_ovl_bgclr_in_off, }; static int mtk_disp_ovl_bind(struct device *dev, struct device *master, |