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Subject[PATCH v2] drm/bridge: nwl-dsi: switch to devm_drm_of_get_bridge
Date
The function "drm_of_find_panel_or_bridge" has been deprecated in
favor of "devm_drm_of_get_bridge".

Switch to the new function and reduce boilerplate.

Signed-off-by: José Expósito <jose.exposito89@gmail.com>

---

v2: (Thanks to Liu Ying)

- Rebase on top of drm-misc-next
- Remove drm_of_panel_bridge_remove
---
drivers/gpu/drm/bridge/nwl-dsi.c | 23 ++++-------------------
1 file changed, 4 insertions(+), 19 deletions(-)

diff --git a/drivers/gpu/drm/bridge/nwl-dsi.c b/drivers/gpu/drm/bridge/nwl-dsi.c
index e34fb09b90b9..de62e3fc6a59 100644
--- a/drivers/gpu/drm/bridge/nwl-dsi.c
+++ b/drivers/gpu/drm/bridge/nwl-dsi.c
@@ -912,19 +912,11 @@ static int nwl_dsi_bridge_attach(struct drm_bridge *bridge,
{
struct nwl_dsi *dsi = bridge_to_dsi(bridge);
struct drm_bridge *panel_bridge;
- struct drm_panel *panel;
- int ret;
-
- ret = drm_of_find_panel_or_bridge(dsi->dev->of_node, 1, 0, &panel,
- &panel_bridge);
- if (ret)
- return ret;

- if (panel) {
- panel_bridge = drm_panel_bridge_add(panel);
- if (IS_ERR(panel_bridge))
- return PTR_ERR(panel_bridge);
- }
+ panel_bridge = devm_drm_of_get_bridge(dsi->dev, dsi->dev->of_node,
+ 1, 0);
+ if (IS_ERR(panel_bridge))
+ return PTR_ERR(panel_bridge);

if (!panel_bridge)
return -EPROBE_DEFER;
@@ -932,12 +924,6 @@ static int nwl_dsi_bridge_attach(struct drm_bridge *bridge,
return drm_bridge_attach(bridge->encoder, panel_bridge, bridge, flags);
}

-static void nwl_dsi_bridge_detach(struct drm_bridge *bridge)
-{ struct nwl_dsi *dsi = bridge_to_dsi(bridge);
-
- drm_of_panel_bridge_remove(dsi->dev->of_node, 1, 0);
-}
-
static u32 *nwl_bridge_atomic_get_input_bus_fmts(struct drm_bridge *bridge,
struct drm_bridge_state *bridge_state,
struct drm_crtc_state *crtc_state,
@@ -983,7 +969,6 @@ static const struct drm_bridge_funcs nwl_dsi_bridge_funcs = {
.mode_set = nwl_dsi_bridge_mode_set,
.mode_valid = nwl_dsi_bridge_mode_valid,
.attach = nwl_dsi_bridge_attach,
- .detach = nwl_dsi_bridge_detach,
};

static int nwl_dsi_parse_dt(struct nwl_dsi *dsi)
--
2.25.1
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