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drm/bridge: imx8mp-hdmi-pvi: convert to of_drm_find_and_get_bridge()

Browse Source 
of_drm_find_bridge() is deprecated. Move to its replacement
of_drm_find_and_get_bridge() which gets a bridge reference, and ensure it
is put when done by using the drm_bridge::next_bridge pointer.

Acked-by: Maxime Ripard <mripard@kernel.org>
Link: https://patch.msgid.link/20260109-drm-bridge-alloc-getput-drm_of_find_bridge-2-v2-8-8bad3ef90b9f@bootlin.com
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
This commit is contained in:
Luca Ceresoli
2026-01-09 08:31:39 +01:00
parent 31cb3cd7e7
commit 7654c807f2
1 changed files with 7 additions and 8 deletions
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15
drivers/gpu/drm/bridge/imx/imx8mp-hdmi-pvi.c
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@@ -29,7 +29,6 @@
struct imx8mp_hdmi_pvi {
struct drm_bridge bridge;
struct device *dev;
struct drm_bridge *next_bridge;
void __iomem *regs;
};
@@ -45,7 +44,7 @@ static int imx8mp_hdmi_pvi_bridge_attach(struct drm_bridge *bridge,
{
struct imx8mp_hdmi_pvi *pvi = to_imx8mp_hdmi_pvi(bridge);
return drm_bridge_attach(encoder, pvi->next_bridge,
return drm_bridge_attach(encoder, pvi->bridge.next_bridge,
bridge, flags);
}
@@ -78,8 +77,8 @@ static void imx8mp_hdmi_pvi_bridge_enable(struct drm_bridge *bridge,
if (mode->flags & DRM_MODE_FLAG_PHSYNC)
val |= PVI_CTRL_OP_HSYNC_POL | PVI_CTRL_INP_HSYNC_POL;
if (pvi->next_bridge->timings)
bus_flags = pvi->next_bridge->timings->input_bus_flags;
if (pvi->bridge.next_bridge->timings)
bus_flags = pvi->bridge.next_bridge->timings->input_bus_flags;
else if (bridge_state)
bus_flags = bridge_state->input_bus_cfg.flags;
@@ -108,7 +107,7 @@ imx8mp_hdmi_pvi_bridge_get_input_bus_fmts(struct drm_bridge *bridge,
unsigned int *num_input_fmts)
{
struct imx8mp_hdmi_pvi *pvi = to_imx8mp_hdmi_pvi(bridge);
struct drm_bridge *next_bridge = pvi->next_bridge;
struct drm_bridge *next_bridge = pvi->bridge.next_bridge;
struct drm_bridge_state *next_state;
if (!next_bridge->funcs->atomic_get_input_bus_fmts)
@@ -157,10 +156,10 @@ static int imx8mp_hdmi_pvi_probe(struct platform_device *pdev)
if (!remote)
return -EINVAL;
pvi->next_bridge = of_drm_find_bridge(remote);
pvi->bridge.next_bridge = of_drm_find_and_get_bridge(remote);
of_node_put(remote);
if (!pvi->next_bridge)
if (!pvi->bridge.next_bridge)
return dev_err_probe(&pdev->dev, -EPROBE_DEFER,
"could not find next bridge\n");
@@ -168,7 +167,7 @@ static int imx8mp_hdmi_pvi_probe(struct platform_device *pdev)
/* Register the bridge. */
pvi->bridge.of_node = pdev->dev.of_node;
pvi->bridge.timings = pvi->next_bridge->timings;
pvi->bridge.timings = pvi->bridge.next_bridge->timings;
drm_bridge_add(&pvi->bridge);