On Mon, Jul 5, 2021 at 5:43 PM Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> wrote: > > 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. Okay. Let me check with sun6i-mipi-dsi as it is component_ops based. Jagan.
