On 05.07.2021 14:00, Jagan Teki wrote: > On Mon, Jul 5, 2021 at 5:18 PM Marek Szyprowski > <m.szyprowski@xxxxxxxxxxx> wrote: >> On 04.07.2021 11:02, Jagan Teki wrote: >>> Use drm_panel_bridge to replace manual panel and >>> bridge_chain handling code. >>> >>> This makes the driver simpler to allow all components >>> in the display pipeline to be treated as bridges by >>> cleaning the way to generic connector handling. >>> >>> Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> >> This breaks Exysos DSI driver operation (Trats board worked fine with >> only patches 1-2): >> >> [ 2.540066] exynos4-fb 11c00000.fimd: Adding to iommu group 0 >> [ 2.554733] OF: graph: no port node found in /soc/fimd@11c00000 >> [ 2.602819] [drm] Exynos DRM: using 11c00000.fimd device for DMA >> mapping operations >> [ 2.609649] exynos-drm exynos-drm: bound 11c00000.fimd (ops >> fimd_component_ops) >> [ 2.632558] exynos-drm exynos-drm: failed to bind 11c80000.dsi (ops >> exynos_dsi_component_ops): -22 >> [ 2.642263] exynos-drm exynos-drm: master bind failed: -22 >> [ 2.651017] exynos-drm: probe of exynos-drm failed with error -22 > Thanks for testing it. > > Can you check Squash of 3,4 or 3,4,5 will work or not? I've check both sets: 1-4 and 1-5 and none of them works. The result is same as above. If I remember correctly, last time when I played with that code, there was a problem with DRM core calling bridge ops in different order than when they are used by the Exynos DSI driver. Best regards -- Marek Szyprowski, PhD Samsung R&D Institute Poland
