[PATCH v3 0/7] drm: exynos: dsi: Convert drm bridge

[Jagan Teki]

Hi Marek,

On Mon, Dec 13, 2021 at 5:34 PM Marek Szyprowski
<m.szyprowski at samsung.com> wrote:
>
> Dear Jagan,
>
> On 12.12.2021 19:14, Jagan Teki wrote:
> > Updated series about drm bridge conversion of exynos dsi.
> >
> > Patch 1: panel checker
> >
> > Patch 2: panel_bridge API
> >
> > Patch 3: Bridge conversion
> >
> > Patch 4: pree_enable, post_disable
> >
> > Patch 5: Atomic functions
> >
> > Patch 6: atomic_set
> >
> > Patch 7: DSI init in enable
> >
> > [1] https://patchwork.kernel.org/project/dri-devel/cover/20211210191922.2367979-1-jagan@amarulasolutions.com/
> >
> > Any inputs?
>
> I've checked this patchset on Exynos based Trats2 board (the one with
> simplest display pipeline: Exynos FIMD -> Exynos DSI -> s6e8aa0 DSI
> panel). DRM stops working after the 2nd patch ("[PATCH v3 2/7] drm:
> exynos: dsi: Use drm panel_bridge API"):
>
> # dmesg | grep drm
> [    2.511893] [drm] Exynos DRM: using 11c00000.fimd device for DMA
> mapping operations
> [    2.518653] exynos-drm exynos-drm: bound 11c00000.fimd (ops
> fimd_component_ops)
> [    2.535699] exynos-drm exynos-drm: bound 11c80000.dsi (ops
> exynos_dsi_component_ops)
> [    2.543912] exynos-drm exynos-drm: [drm] Cannot find any crtc or sizes
> [    2.556107] [drm] Initialized exynos 1.1.0 20180330 for exynos-drm on
> minor 0
> [    2.573212] exynos-dsi 11c80000.dsi: [drm:exynos_dsi_host_attach]
> *ERROR* failed to find the bridge: -19

Look like you have missed to apply the Child lookup patch. is it so?

Let me send it, I will CC you as well. And I will also send tc358764
panel_bridge conversion.

Thanks,
Jagan.