Hi Marek, On Mon, Dec 13, 2021 at 5:34 PM Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> 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@xxxxxxxxxxxxxxxxxxxx/ > > > > 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.