diff mbox series

[v5,01/11] drm: exynos: dsi: Restore proper bridge chain order

Message ID 20220916181731.89764-2-jagan@amarulasolutions.com
State New
Headers show
Series drm: bridge: Add Samsung MIPI DSIM bridge | expand

Commit Message

Jagan Teki Sept. 16, 2022, 6:17 p.m. UTC 
From: Marek Szyprowski <m.szyprowski@samsung.com>

Restore the proper bridge chain by finding the previous bridge
in the chain instead of passing NULL.

This establishes a proper bridge chain while attaching downstream
bridges.

v5:
* exclude the NULL replacement in exynos_dsi_host_attach

v4:
* none

v3:
* new patch

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
---
 drivers/gpu/drm/exynos/exynos_drm_dsi.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index ec673223d6b7..f4e3d2518ad0 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -1428,7 +1428,8 @@  static int exynos_dsi_attach(struct drm_bridge *bridge,
 {
 	struct exynos_dsi *dsi = bridge_to_dsi(bridge);
 
-	return drm_bridge_attach(bridge->encoder, dsi->out_bridge, NULL, flags);
+	return drm_bridge_attach(bridge->encoder, dsi->out_bridge, bridge,
+				 flags);
 }
 
 static const struct drm_bridge_funcs exynos_dsi_bridge_funcs = {