diff options
Diffstat (limited to 'drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c')
| -rw-r--r-- | drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c | 27 |
1 files changed, 4 insertions, 23 deletions
diff --git a/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c b/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c index 1737e98bc10a..5abc69c9630f 100644 --- a/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c +++ b/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c @@ -17,7 +17,6 @@ #include <linux/clk.h> #include <linux/component.h> -#include <linux/of_graph.h> #include <drm/drm_of.h> #include <drm/drm_crtc_helper.h> @@ -754,34 +753,16 @@ static int dsi_parse_dt(struct platform_device *pdev, struct dw_dsi *dsi) { struct dsi_hw_ctx *ctx = dsi->ctx; struct device_node *np = pdev->dev.of_node; - struct device_node *endpoint, *bridge_node; - struct drm_bridge *bridge; struct resource *res; + int ret; /* * Get the endpoint node. In our case, dsi has one output port1 * to which the external HDMI bridge is connected. */ - endpoint = of_graph_get_endpoint_by_regs(np, 1, -1); - if (!endpoint) { - DRM_ERROR("no valid endpoint node\n"); - return -ENODEV; - } - of_node_put(endpoint); - - bridge_node = of_graph_get_remote_port_parent(endpoint); - if (!bridge_node) { - DRM_ERROR("no valid bridge node\n"); - return -ENODEV; - } - of_node_put(bridge_node); - - bridge = of_drm_find_bridge(bridge_node); - if (!bridge) { - DRM_INFO("wait for external HDMI bridge driver.\n"); - return -EPROBE_DEFER; - } - dsi->bridge = bridge; + ret = drm_of_find_panel_or_bridge(np, 0, 0, NULL, &dsi->bridge); + if (ret) + return ret; ctx->pclk = devm_clk_get(&pdev->dev, "pclk"); if (IS_ERR(ctx->pclk)) { |