On Fri, Jul 18, 2014 at 02:13:49AM +0530, Ajay Kumar wrote: [...] > diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig [...] > depends on DRM_EXYNOS_FIMD && ARCH_EXYNOS && (DRM_PTN3460=n || DRM_PTN3460=y || DRM_PTN3460=DRM_EXYNOS) One of the reasons the current way of implementing bridges is that it doesn't scale, as shown by this ridiculous dependency. In patch [RESEND PATCH V5 12/12] drm/exynos: Add ps8622 lvds bridge discovery to DP driver you add support for another type of bridge but it doesn't update this dependency. I suspect that in order for this to work properly you'll need to extend the dependency like so (rewritten to make it somewhat cleaner): depends on DRM_EXYNOS_FIMD && ARCH_EXYNOS depends on DRM_PTN3460=n || DRM_PTN3460=y || DRM_PTN3460=DRM_EXYNOS depends on DRM_PS8622=n || DRM_PS8622=y || DRM_PS8622=DRM_EXYNOS And you'll need one more of these lines for each new bridge chip that you want to support. Thierry
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