| Message ID | 20180921032822.30771-7-bibby.hsieh@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/mediatek: support hdmi output for mt2701 and mt7623 | expand |
Hi, Bibby: On Fri, 2018-09-21 at 11:28 +0800, Bibby Hsieh wrote: > From: chunhui dai <chunhui.dai@mediatek.com> > > This patch adds dpi dirver suppot for both mt2701 and mt7623. > And also support other (existing or future) chips that use > the same binding and driver. > Reviewed-by: CK Hu <ck.hu@mediatek.com> > Signed-off-by: chunhui dai <chunhui.dai@mediatek.com> > --- > drivers/gpu/drm/mediatek/mtk_dpi.c | 21 +++++++++++++++++++++ > drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 ++ > 2 files changed, 23 insertions(+) > > diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c > index 7a4868a0afec..a9d8231a0a9e 100644 > --- a/drivers/gpu/drm/mediatek/mtk_dpi.c > +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c > @@ -688,11 +688,29 @@ static unsigned int mt8173_calculate_factor(int clock) > return 3 << 1; > } > > +static unsigned int mt2701_calculate_factor(int clock) > +{ > + if (clock <= 64000) > + return 16; > + else if (clock <= 128000) > + return 8; > + else if (clock <= 256000) > + return 4; > + else > + return 2; > +} > + > static const struct mtk_dpi_conf mt8173_conf = { > .cal_factor = mt8173_calculate_factor, > .reg_h_fre_con = 0xe0, > }; > > +static const struct mtk_dpi_conf mt2701_conf = { > + .cal_factor = mt2701_calculate_factor, > + .reg_h_fre_con = 0xb0, > + .edge_sel_en = true, > +}; > + > static int mtk_dpi_probe(struct platform_device *pdev) > { > struct device *dev = &pdev->dev; > @@ -784,6 +802,9 @@ static int mtk_dpi_remove(struct platform_device *pdev) > } > > static const struct of_device_id mtk_dpi_of_ids[] = { > + { .compatible = "mediatek,mt2701-dpi", > + .data = &mt2701_conf, > + }, > { .compatible = "mediatek,mt8173-dpi", > .data = &mt8173_conf, > }, > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c > index 39721119713b..d961112fa2f5 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c > +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c > @@ -424,6 +424,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = { > .data = (void *)MTK_DSI }, > { .compatible = "mediatek,mt8173-dsi", > .data = (void *)MTK_DSI }, > + { .compatible = "mediatek,mt2701-dpi", > + .data = (void *)MTK_DPI }, > { .compatible = "mediatek,mt8173-dpi", > .data = (void *)MTK_DPI }, > { .compatible = "mediatek,mt2701-disp-mutex",
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index 7a4868a0afec..a9d8231a0a9e 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -688,11 +688,29 @@ static unsigned int mt8173_calculate_factor(int clock) return 3 << 1; } +static unsigned int mt2701_calculate_factor(int clock) +{ + if (clock <= 64000) + return 16; + else if (clock <= 128000) + return 8; + else if (clock <= 256000) + return 4; + else + return 2; +} + static const struct mtk_dpi_conf mt8173_conf = { .cal_factor = mt8173_calculate_factor, .reg_h_fre_con = 0xe0, }; +static const struct mtk_dpi_conf mt2701_conf = { + .cal_factor = mt2701_calculate_factor, + .reg_h_fre_con = 0xb0, + .edge_sel_en = true, +}; + static int mtk_dpi_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -784,6 +802,9 @@ static int mtk_dpi_remove(struct platform_device *pdev) } static const struct of_device_id mtk_dpi_of_ids[] = { + { .compatible = "mediatek,mt2701-dpi", + .data = &mt2701_conf, + }, { .compatible = "mediatek,mt8173-dpi", .data = &mt8173_conf, }, diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index 39721119713b..d961112fa2f5 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -424,6 +424,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = { .data = (void *)MTK_DSI }, { .compatible = "mediatek,mt8173-dsi", .data = (void *)MTK_DSI }, + { .compatible = "mediatek,mt2701-dpi", + .data = (void *)MTK_DPI }, { .compatible = "mediatek,mt8173-dpi", .data = (void *)MTK_DPI }, { .compatible = "mediatek,mt2701-disp-mutex",