diff options
| author | Yongqiang Niu <yongqiang.niu@mediatek.com> | 2021-01-29 12:22:06 +0300 |
|---|---|---|
| committer | Chun-Kuang Hu <chunkuang.hu@kernel.org> | 2021-02-04 17:55:46 +0300 |
| commit | 4a15d1ac37eaa1ecce14c76d10e5f66da600b54f (patch) | |
| tree | 0523b7e23d525adb7ebcd365b48b9052506644e6 /drivers/gpu/drm/mediatek/mtk_disp_gamma.c | |
| parent | 69a4237ab1d13acd7b35e9c7cb31a154fae35a34 (diff) | |
| download | linux-4a15d1ac37eaa1ecce14c76d10e5f66da600b54f.tar.xz | |
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>
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_disp_gamma.c')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_disp_gamma.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c index 6736dacc2c41..80e3918f0d0d 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c @@ -26,7 +26,7 @@ #define LUT_10BIT_MASK 0x03ff struct mtk_disp_gamma_data { - u32 reserved; + bool has_dither; }; /** @@ -92,8 +92,9 @@ 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, - GAMMA_DITHERING, cmdq_pkt); + if (gamma->data && gamma->data->has_dither) + mtk_dither_set_common(gamma->regs, &gamma->cmdq_reg, bpc, + DISP_GAMMA_CFG, GAMMA_DITHERING, cmdq_pkt); } void mtk_gamma_start(struct device *dev) @@ -173,8 +174,13 @@ 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); |