Hi CK,
On Wed, 2016-07-20 at 14:53 +0800, CK Hu wrote:
> Hi, YT:
>
> Some comments inline.
>
> On Fri, 2016-07-15 at 18:07 +0800, YT Shen wrote:
> > This patch add support for the Mediatek MT2701 DISP subsystem.
> > There is only one OVL engine in MT2701.
> >
> > Signed-off-by: YT Shen <yt.shen@xxxxxxxxxxxx>
> > ---
> > drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 6 ++++
> > drivers/gpu/drm/mediatek/mtk_disp_rdma.c | 6 ++++
> > drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 41 +++++++++++++++++++++++++++
> > drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 7 +++++
> > drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 1 +
> > drivers/gpu/drm/mediatek/mtk_drm_drv.c | 31 ++++++++++++++++++++
> > 6 files changed, 92 insertions(+)
> >
>
> [snip...]
>
> >
> > static const struct of_device_id mtk_ddp_comp_dt_ids[] = {
> > + { .compatible = "mediatek,mt2701-disp-ovl", .data = (void *)MTK_DISP_OVL },
> > { .compatible = "mediatek,mt8173-disp-ovl", .data = (void *)MTK_DISP_OVL },
> > + { .compatible = "mediatek,mt2701-disp-rdma", .data = (void *)MTK_DISP_RDMA },
> > { .compatible = "mediatek,mt8173-disp-rdma", .data = (void *)MTK_DISP_RDMA },
> > + { .compatible = "mediatek,mt2701-disp-wdma", .data = (void *)MTK_DISP_WDMA },
>
> Is WDMA different from MT8173 to MT2701. If they are the same, you need
> not to add compatible of 'mediatek,mt2701-disp-wdma' because use
> 'mediatek,mt8173-disp-wdma' is enough.
Yes, the hardware has differences, so we need add new compatible
'mt2701-disp-wdma'
>
> > { .compatible = "mediatek,mt8173-disp-wdma", .data = (void *)MTK_DISP_WDMA },
> > + { .compatible = "mediatek,mt2701-disp-color", .data = (void *)MTK_DISP_COLOR },
> > { .compatible = "mediatek,mt8173-disp-color", .data = (void *)MTK_DISP_COLOR },
> > { .compatible = "mediatek,mt8173-disp-aal", .data = (void *)MTK_DISP_AAL},
> > { .compatible = "mediatek,mt8173-disp-gamma", .data = (void *)MTK_DISP_GAMMA, },
> > { .compatible = "mediatek,mt8173-disp-ufoe", .data = (void *)MTK_DISP_UFOE },
> > + { .compatible = "mediatek,mt2701-dsi", .data = (void *)MTK_DSI },
> > { .compatible = "mediatek,mt8173-dsi", .data = (void *)MTK_DSI },
> > + { .compatible = "mediatek,mt2701-dpi", .data = (void *)MTK_DPI },
>
> Is DPI different from MT8173 to MT2701. If they are the same, you need
> not to add compatible of 'mediatek,mt2701-dpi' because use
> 'mediatek,mt8173-dpi' is enough.
Yes, the hardware has differences, so we need add new compatible
'mt2701-dpi'
>
> > { .compatible = "mediatek,mt8173-dpi", .data = (void *)MTK_DPI },
> > + { .compatible = "mediatek,mt2701-disp-mutex", .data = (void *)MTK_DISP_MUTEX },
> > { .compatible = "mediatek,mt8173-disp-mutex", .data = (void *)MTK_DISP_MUTEX },
> > + { .compatible = "mediatek,mt2701-disp-pwm", .data = (void *)MTK_DISP_PWM },
>
> Is pwm different from MT8173 to MT2701. If they are the same, you need
> not to add compatible of 'mediatek,mt2701-disp-pwm' because use
> 'mediatek,mt8173-disp-pwm' is enough.
Yes, the hardware has differences, so we need add new compatible
'mt2701-disp-pwm'
Regards,
yt.shen
>
> > { .compatible = "mediatek,mt8173-disp-pwm", .data = (void *)MTK_DISP_PWM },
> > { .compatible = "mediatek,mt8173-disp-od", .data = (void *)MTK_DISP_OD },
> > { }
> > @@ -514,6 +543,8 @@ static SIMPLE_DEV_PM_OPS(mtk_drm_pm_ops, mtk_drm_sys_suspend,
> > mtk_drm_sys_resume);
> >
> > static const struct of_device_id mtk_drm_of_ids[] = {
> > + { .compatible = "mediatek,mt2701-mmsys",
> > + .data = &mt2701_mmsys_driver_data},
> > { .compatible = "mediatek,mt8173-mmsys",
> > .data = &mt8173_mmsys_driver_data},
> > { }
>
> Regards,
> CK
>
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