[PATCH v2] drm/bridge: analogix_dp: Split bind() into probe() and real bind()

[Andrzej Hajda]

On 10.03.2020 11:34, Marek Szyprowski wrote:
> Analogix_dp driver acquires all its resources in the ->bind() callback,
> what is a bit against the component driver based approach, where the
> driver initialization is split into a probe(), where all resources are
> gathered, and a bind(), where all objects are created and a compound
> driver is initialized.
>
> Extract all the resource related operations to analogix_dp_probe() and
> analogix_dp_remove(), then call them before/after registration of the
> device components from the main Exynos DP and Rockchip DP drivers. Also
> move the plat_data initialization to the probe() to make it available for
> the analogix_dp_probe() function.
>
> This fixes the multiple calls to the bind() of the DRM compound driver
> when the DP PHY driver is not yet loaded/probed:
>
> [drm] Exynos DRM: using 14400000.fimd device for DMA mapping operations
> exynos-drm exynos-drm: bound 14400000.fimd (ops fimd_component_ops [exynosdrm])
> exynos-drm exynos-drm: bound 14450000.mixer (ops mixer_component_ops [exynosdrm])
> exynos-dp 145b0000.dp-controller: no DP phy configured
> exynos-drm exynos-drm: failed to bind 145b0000.dp-controller (ops exynos_dp_ops [exynosdrm]): -517
> exynos-drm exynos-drm: master bind failed: -517
> ...
> [drm] Exynos DRM: using 14400000.fimd device for DMA mapping operations
> exynos-drm exynos-drm: bound 14400000.fimd (ops hdmi_enable [exynosdrm])
> exynos-drm exynos-drm: bound 14450000.mixer (ops hdmi_enable [exynosdrm])
> exynos-drm exynos-drm: bound 145b0000.dp-controller (ops hdmi_enable [exynosdrm])
> exynos-drm exynos-drm: bound 14530000.hdmi (ops hdmi_enable [exynosdrm])
> [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
> Console: switching to colour frame buffer device 170x48
> exynos-drm exynos-drm: fb0: exynosdrmfb frame buffer device
> [drm] Initialized exynos 1.1.0 20180330 for exynos-drm on minor 1
> ...
>
> Signed-off-by: Marek Szyprowski <m.szyprowski at samsung.com>


Queued to fixes.


Andrzej