Messages in this thread Patch in this message | | | From | Hsin-Yi Wang <> | Subject | [PATCH v10 6/9] drm/mediatek: add has_dither private data for gamma | Date | Wed, 27 Jan 2021 12:54:19 +0800 |
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From: Yongqiang Niu <yongqiang.niu@mediatek.com>
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> --- drivers/gpu/drm/mediatek/mtk_disp_gamma.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c index b5a499d7e472c..c98fe284265d0 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c @@ -25,7 +25,7 @@ #define LUT_10BIT_MASK 0x03ff struct mtk_disp_gamma_data { - u32 reserved; + bool has_dither; }; /** @@ -91,7 +91,8 @@ void mtk_gamma_config(struct device *dev, unsigned int w, mtk_ddp_write(cmdq_pkt, h << 16 | w, &gamma->cmdq_reg, gamma->regs, DISP_GAMMA_SIZE); - mtk_dither_set_common(gamma->regs, &gamma->cmdq_reg, bpc, DISP_GAMMA_CFG, cmdq_pkt); + if (gamma->data && gamma->data->has_dither) + mtk_dither_set_common(gamma->regs, &gamma->cmdq_reg, bpc, DISP_GAMMA_CFG, cmdq_pkt); } void mtk_gamma_start(struct device *dev) @@ -171,8 +172,13 @@ static int mtk_disp_gamma_remove(struct platform_device *pdev) return 0; } +static const struct mtk_disp_gamma_data mt8173_gamma_driver_data = { + .has_dither = true, +}; + static const struct of_device_id mtk_disp_gamma_driver_dt_match[] = { - { .compatible = "mediatek,mt8173-disp-gamma"}, + { .compatible = "mediatek,mt8173-disp-gamma", + .data = &mt8173_gamma_driver_data}, {}, }; MODULE_DEVICE_TABLE(of, mtk_disp_gamma_driver_dt_match); -- 2.30.0.280.ga3ce27912f-goog
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