[PATCH v3 34/50] drm/omap: venc: Register a drm_bridge

[Tomi Valkeinen]

On 11/12/2019 00:57, Laurent Pinchart wrote:
> In order to integrate with a chain of drm_bridge, the internal VENC
> encoder has to expose the mode valid, fixup and set, the enable and
> disable and the get modes operations through the drm_bridge API.
> Register a bridge at initialisation time to do so.
> 
> Most of those operations are removed from the omap_dss_device as they
> are now called through the drm_bridge API by the DRM atomic helpers. The
> only exception is the .get_modes() operation that is still invoked
> through the omap_dss_device-based pipeline.
> 
> For the time being make the next bridge in the chain optional as the
> VENC output is still based on omap_dss_device. The create_connector
> argument to the bridge attach function is also ignored for the same
> reason. This will be changed later when removing the related
> omapdrm-specific display drivers.
> 
> Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> ---
> Changes since v2:
> 
> - Unregister bridge if output initialisation fails
> ---
>   drivers/gpu/drm/omapdrm/dss/venc.c | 247 +++++++++++++++++++----------
>   1 file changed, 163 insertions(+), 84 deletions(-)

Reviewed-by: Tomi Valkeinen <tomi.valkeinen at ti.com>

  Tomi

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