drm/medaitek: add layer_nr for ovl private data
This patch add layer_nr for ovl private data ovl_2l almost same with with ovl hardware, except the layer number for ovl_2l is 2 and ovl is 4. this patch is a preparation for ovl-2l and ovl share the same driver. Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com> Signed-off-by: CK Hu <ck.hu@mediatek.com>
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@ -52,6 +52,7 @@
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struct mtk_disp_ovl_data {
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unsigned int addr;
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unsigned int gmc_bits;
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unsigned int layer_nr;
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bool fmt_rgb565_is_0;
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};
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@ -129,7 +130,9 @@ static void mtk_ovl_config(struct mtk_ddp_comp *comp, unsigned int w,
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static unsigned int mtk_ovl_layer_nr(struct mtk_ddp_comp *comp)
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{
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return 4;
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struct mtk_disp_ovl *ovl = comp_to_ovl(comp);
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return ovl->data->layer_nr;
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}
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static void mtk_ovl_layer_on(struct mtk_ddp_comp *comp, unsigned int idx)
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@ -334,12 +337,14 @@ static int mtk_disp_ovl_remove(struct platform_device *pdev)
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static const struct mtk_disp_ovl_data mt2701_ovl_driver_data = {
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.addr = DISP_REG_OVL_ADDR_MT2701,
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.gmc_bits = 8,
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.layer_nr = 4,
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.fmt_rgb565_is_0 = false,
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};
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static const struct mtk_disp_ovl_data mt8173_ovl_driver_data = {
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.addr = DISP_REG_OVL_ADDR_MT8173,
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.gmc_bits = 8,
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.layer_nr = 4,
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.fmt_rgb565_is_0 = true,
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};
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