enable OVL_LAYER_SMI_ID_EN for multi-layer usecase
Signed-off-by: Yongqiang Niu yongqiang.niu@mediatek.com --- drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c index 8cf9f3b..97f8380 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -23,6 +23,7 @@ #define DISP_REG_OVL_RST 0x0014 #define DISP_REG_OVL_ROI_SIZE 0x0020 #define DISP_REG_OVL_DATAPATH_CON 0x0024 +#define OVL_LAYER_SMI_ID_EN BIT(0) #define OVL_BGCLR_SEL_IN BIT(2) #define DISP_REG_OVL_ROI_BGCLR 0x0028 #define DISP_REG_OVL_SRC_CON 0x002c @@ -61,6 +62,7 @@ struct mtk_disp_ovl_data { unsigned int gmc_bits; unsigned int layer_nr; bool fmt_rgb565_is_0; + bool smi_id_en; };
/** @@ -115,7 +117,17 @@ static void mtk_ovl_disable_vblank(struct mtk_ddp_comp *comp)
static void mtk_ovl_start(struct mtk_ddp_comp *comp) { + struct mtk_disp_ovl *ovl = comp_to_ovl(comp); + writel_relaxed(0x1, comp->regs + DISP_REG_OVL_EN); + + if(ovl->data->smi_id_en) { + unsigned int reg; + + reg = readl(comp->regs + DISP_REG_OVL_DATAPATH_CON); + reg = reg | OVL_LAYER_SMI_ID_EN; + writel_relaxed(reg, comp->regs + DISP_REG_OVL_DATAPATH_CON); + } }
static void mtk_ovl_stop(struct mtk_ddp_comp *comp)