There's no need to delay bridge initialization, move it to zynqmp_dp_probe() and drop the zynqmp_dp_drm_init() function.
Signed-off-by: Laurent Pinchart laurent.pinchart@ideasonboard.com --- drivers/gpu/drm/xlnx/zynqmp_dp.c | 30 ++++++++++++------------------ drivers/gpu/drm/xlnx/zynqmp_dp.h | 1 - drivers/gpu/drm/xlnx/zynqmp_kms.c | 6 +----- 3 files changed, 13 insertions(+), 24 deletions(-)
diff --git a/drivers/gpu/drm/xlnx/zynqmp_dp.c b/drivers/gpu/drm/xlnx/zynqmp_dp.c index e40ddfd27ff0..360175b8fc1f 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_dp.c +++ b/drivers/gpu/drm/xlnx/zynqmp_dp.c @@ -1609,27 +1609,10 @@ static irqreturn_t zynqmp_dp_irq_handler(int irq, void *data) * Initialization & Cleanup */
-int zynqmp_dp_drm_init(struct zynqmp_dpsub *dpsub) -{ - struct zynqmp_dp *dp = dpsub->dp; - struct drm_bridge *bridge = &dp->bridge; - - dp->config.misc0 &= ~ZYNQMP_DP_MAIN_STREAM_MISC0_SYNC_LOCK; - zynqmp_dp_set_format(dp, NULL, ZYNQMP_DPSUB_FORMAT_RGB, 8); - - /* Initialize the bridge. */ - bridge->funcs = &zynqmp_dp_bridge_funcs; - bridge->ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID - | DRM_BRIDGE_OP_HPD; - bridge->type = DRM_MODE_CONNECTOR_DisplayPort; - dpsub->bridge = bridge; - - return 0; -} - int zynqmp_dp_probe(struct zynqmp_dpsub *dpsub, struct drm_device *drm) { struct platform_device *pdev = to_platform_device(dpsub->dev); + struct drm_bridge *bridge; struct zynqmp_dp *dp; struct resource *res; int ret; @@ -1672,6 +1655,14 @@ int zynqmp_dp_probe(struct zynqmp_dpsub *dpsub, struct drm_device *drm) if (ret) goto err_reset;
+ /* Initialize the bridge. */ + bridge = &dp->bridge; + bridge->funcs = &zynqmp_dp_bridge_funcs; + bridge->ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID + | DRM_BRIDGE_OP_HPD; + bridge->type = DRM_MODE_CONNECTOR_DisplayPort; + dpsub->bridge = bridge; + /* * Acquire the next bridge in the chain. Ignore errors caused by port@5 * not being connected for backward-compatibility with older DTs. @@ -1682,6 +1673,9 @@ int zynqmp_dp_probe(struct zynqmp_dpsub *dpsub, struct drm_device *drm) goto err_reset;
/* Initialize the hardware. */ + dp->config.misc0 &= ~ZYNQMP_DP_MAIN_STREAM_MISC0_SYNC_LOCK; + zynqmp_dp_set_format(dp, NULL, ZYNQMP_DPSUB_FORMAT_RGB, 8); + zynqmp_dp_write(dp, ZYNQMP_DP_TX_PHY_POWER_DOWN, ZYNQMP_DP_TX_PHY_POWER_DOWN_ALL); zynqmp_dp_set(dp, ZYNQMP_DP_PHY_RESET, ZYNQMP_DP_PHY_RESET_ALL_RESET); diff --git a/drivers/gpu/drm/xlnx/zynqmp_dp.h b/drivers/gpu/drm/xlnx/zynqmp_dp.h index 4507740093f6..736d810fa16f 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_dp.h +++ b/drivers/gpu/drm/xlnx/zynqmp_dp.h @@ -20,7 +20,6 @@ struct zynqmp_dpsub; void zynqmp_dp_enable_vblank(struct zynqmp_dp *dp); void zynqmp_dp_disable_vblank(struct zynqmp_dp *dp);
-int zynqmp_dp_drm_init(struct zynqmp_dpsub *dpsub); int zynqmp_dp_probe(struct zynqmp_dpsub *dpsub, struct drm_device *drm); void zynqmp_dp_remove(struct zynqmp_dpsub *dpsub);
diff --git a/drivers/gpu/drm/xlnx/zynqmp_kms.c b/drivers/gpu/drm/xlnx/zynqmp_kms.c index 54358f1f51e5..51903bc1de2b 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_kms.c +++ b/drivers/gpu/drm/xlnx/zynqmp_kms.c @@ -347,7 +347,7 @@ int zynqmp_dpsub_kms_init(struct zynqmp_dpsub *dpsub) struct drm_connector *connector; int ret;
- /* Create the planes and the CRTC, and nitialize the DP encoder. */ + /* Create the planes and the CRTC. */ ret = zynqmp_dpsub_create_planes(dpsub); if (ret) return ret; @@ -358,10 +358,6 @@ int zynqmp_dpsub_kms_init(struct zynqmp_dpsub *dpsub)
zynqmp_dpsub_map_crtc_to_plane(dpsub);
- ret = zynqmp_dp_drm_init(dpsub); - if (ret) - return ret; - /* Create the encoder and attach the bridge. */ encoder->possible_crtcs |= drm_crtc_mask(&dpsub->crtc); drm_simple_encoder_init(&dpsub->drm, encoder, DRM_MODE_ENCODER_NONE);