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drm/mediatek: Add has_dither private data for gamma
Not all SoC has dither function in gamma module. Add private data to control this function setting. Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com> Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org> Reviewed-by: CK Hu <ck.hu@mediatek.com> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
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4a15d1ac37
1 changed files with 10 additions and 4 deletions
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@ -26,7 +26,7 @@
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#define LUT_10BIT_MASK 0x03ff
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struct mtk_disp_gamma_data {
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u32 reserved;
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bool has_dither;
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};
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/**
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@ -92,8 +92,9 @@ void mtk_gamma_config(struct device *dev, unsigned int w,
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mtk_ddp_write(cmdq_pkt, h << 16 | w, &gamma->cmdq_reg, gamma->regs,
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DISP_GAMMA_SIZE);
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mtk_dither_set_common(gamma->regs, &gamma->cmdq_reg, bpc, DISP_GAMMA_CFG,
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GAMMA_DITHERING, cmdq_pkt);
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if (gamma->data && gamma->data->has_dither)
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mtk_dither_set_common(gamma->regs, &gamma->cmdq_reg, bpc,
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DISP_GAMMA_CFG, GAMMA_DITHERING, cmdq_pkt);
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}
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void mtk_gamma_start(struct device *dev)
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@ -173,8 +174,13 @@ static int mtk_disp_gamma_remove(struct platform_device *pdev)
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return 0;
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}
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static const struct mtk_disp_gamma_data mt8173_gamma_driver_data = {
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.has_dither = true,
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};
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static const struct of_device_id mtk_disp_gamma_driver_dt_match[] = {
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{ .compatible = "mediatek,mt8173-disp-gamma"},
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{ .compatible = "mediatek,mt8173-disp-gamma",
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.data = &mt8173_gamma_driver_data},
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{},
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};
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MODULE_DEVICE_TABLE(of, mtk_disp_gamma_driver_dt_match);
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