Re: [PATCH] drm/exynos/dsi: fix bridge_node DT parsing

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On 04/12/2017 04:22 PM, Andrzej Hajda wrote:
DSIM uses MIC bridge which is between DECON and DSIM, so the driver
should expect bridge node on input side.

Fixes: 86418f9 ("drm: convert drivers to use of_graph_get_remote_node")
Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
---
  drivers/gpu/drm/exynos/exynos_drm_dsi.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index dcb50d4d..3ae459f 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -1659,7 +1659,7 @@ static int exynos_dsi_parse_dt(struct exynos_dsi *dsi)
of_node_put(ep); - dsi->bridge_node = of_graph_get_remote_node(node, DSI_PORT_OUT, 0);
+	dsi->bridge_node = of_graph_get_remote_node(node, DSI_PORT_IN, 0);
  	if (!dsi->bridge_node)
  		return -EINVAL;

Hi Andrzej,

The of_graph_get_remote_node() does not exist in the kernel.
Also this patch  does not apply('git am') on drm-next tree.
Is this what you mean?
dsi->bridge_node = of_graph_get_endpoint_by_regs(node, DSI_PORT_IN, 0);
        if (!dsi->bridge_node)
                return -EINVAL;

Best regards,
Hoegeun


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