Re: [PATCH v3] gpu/drm: mediatek: call mtk_dsi_stop() after mtk_drm_crtc_atomic_disable()

[Hsin-Yi Wang]

On Tue, May 28, 2019 at 4:53 PM CK Hu <ck.hu@xxxxxxxxxxxx> wrote:

> I think we've already discussed in [1]. I need a reason to understand
> this is hardware behavior or software bug. If this is a software bug, we
> need to fix the bug and code could be symmetric.
>
> [1]
> http://lists.infradead.org/pipermail/linux-mediatek/2019-March/018423.html
>
Hi CK,

Jitao has replied in v2[1]
"
mtk_dsi_start must after dsi full setting.
If you put it in mtk_dsi_ddp_start, mtk_dsi_set_mode won't work. DSI
will keep cmd mode. So you see no irq.
...
"

[1] https://lore.kernel.org/patchwork/patch/1052505/#1276270

Thanks