On 16/10/2020 13:39, Nikhil Devshatwar wrote:
To be able to support connector operations across multiple bridges, it is recommended that the connector should be created by the SoC driver instead of the bridges.
Modify the tidss modesetting initialization sequence to create the connector and attach bridges with flag DRM_BRIDGE_ATTACH_NO_CONNECTOR
Signed-off-by: Nikhil Devshatwar nikhil.nd@ti.com
drivers/gpu/drm/tidss/tidss_drv.h | 3 +++ drivers/gpu/drm/tidss/tidss_kms.c | 15 ++++++++++++++- 2 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/tidss/tidss_drv.h b/drivers/gpu/drm/tidss/tidss_drv.h index 7de4bba52e6f..cfbf85a4d92b 100644 --- a/drivers/gpu/drm/tidss/tidss_drv.h +++ b/drivers/gpu/drm/tidss/tidss_drv.h @@ -27,6 +27,9 @@ struct tidss_device { unsigned int num_planes; struct drm_plane *planes[TIDSS_MAX_PLANES];
- unsigned int num_connectors;
- struct drm_connector *connectors[TIDSS_MAX_PORTS];
- spinlock_t wait_lock; /* protects the irq masks */ dispc_irq_t irq_mask; /* enabled irqs in addition to wait_list */
}; diff --git a/drivers/gpu/drm/tidss/tidss_kms.c b/drivers/gpu/drm/tidss/tidss_kms.c index 09485c7f0d6f..51c24b4a6a21 100644 --- a/drivers/gpu/drm/tidss/tidss_kms.c +++ b/drivers/gpu/drm/tidss/tidss_kms.c @@ -7,6 +7,7 @@ #include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_bridge.h> +#include <drm/drm_bridge_connector.h> #include <drm/drm_crtc_helper.h> #include <drm/drm_fb_cma_helper.h> #include <drm/drm_fb_helper.h> @@ -192,6 +193,7 @@ static int tidss_dispc_modeset_init(struct tidss_device *tidss) for (i = 0; i < num_pipes; ++i) { struct tidss_plane *tplane; struct tidss_crtc *tcrtc;
struct drm_connector *connector;@@ -222,11 +224,22 @@ static int tidss_dispc_modeset_init(struct tidss_device *tidss) return PTR_ERR(enc); }
ret = drm_bridge_attach(enc, pipes[i].bridge, NULL, 0);
ret = drm_bridge_attach(enc, pipes[i].bridge, NULL,DRM_BRIDGE_ATTACH_NO_CONNECTOR);connector = drm_bridge_connector_init(&tidss->ddev, enc);if (IS_ERR(connector)) {dev_err(tidss->dev, "bridge_connector create failed\n");return PTR_ERR(connector);}tidss->connectors[tidss->num_connectors++] = connector;drm_connector_attach_encoder(connector, enc);
This call may return an error.
Tomi