[PATCH v10 08/18] drm: exynos: dsi: Handle proper host initialization

[Frieder Schrempf]

On 14.12.22 13:58, Jagan Teki wrote:
> From: Marek Szyprowski <m.szyprowski at samsung.com>
> 
> Host transfer() in the DSI master will invoke only when the DSI commands
> are sent from DSI devices like DSI Panel or DSI bridges and this host
> the transfer wouldn't invoke for I2C-based-DSI bridge drivers.
> 
> Handling DSI host initialization in transfer calls misses the controller
> setup for I2C configured DSI bridges.
> 
> This patch updates the DSI host initialization by calling host to init
> from bridge pre_enable as the bridge pre_enable API is invoked by core
> as it is common across all classes of DSI device drivers.
> 
> The host init during pre_enable is conditional and not invoked for Exynos
> as existing downstream drm panels and bridges in Exynos are expecting
> the host initialization during DSI transfer.
> 
> Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>
> Signed-off-by: Marek Szyprowski <m.szyprowski at samsung.com>

Reviewed-by: Frieder Schrempf <frieder.schrempf at kontron.de>