[PATCH v3 16/22] drm/sti: dvo: convert to devm_drm_bridge_alloc() API
From: Luca Ceresoli <luca.ceresoli@bootlin.com>
Date: 2025-05-09 13:57:05
Also in:
asahi, chrome-platform, dri-devel, imx, linux-amlogic, linux-arm-msm, linux-mediatek, linux-renesas-soc, linux-samsung-soc, lkml, platform-driver-x86
Subsystem:
drm drivers, drm drivers and misc gpu patches, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Linus Torvalds
This is the new API for allocating DRM bridges. This driver allocates the DRM bridge separately from the main driver private struct, which prevents using the new devm_drm_bridge_alloc() API. Simplify the code by replacing the struct drm_bridge pointer with an embedded struct drm_bridge inside the private struct, to make use of the new API with the same code flow. Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com> --- Cc: Alain Volmat <alain.volmat@foss.st.com> Cc: Raphael Gallais-Pou <rgallaispou@gmail.com> Changed in v2: - fix typos in commit message --- drivers/gpu/drm/sti/sti_dvo.c | 29 +++++++++++------------------ 1 file changed, 11 insertions(+), 18 deletions(-)
diff --git a/drivers/gpu/drm/sti/sti_dvo.c b/drivers/gpu/drm/sti/sti_dvo.c
index 74a1eef4674eeabc445b53b380e325f785242024..7484d3c3f4ed5fac7eab408e30cbe2f6b87f27e5 100644
--- a/drivers/gpu/drm/sti/sti_dvo.c
+++ b/drivers/gpu/drm/sti/sti_dvo.c@@ -97,7 +97,7 @@ struct sti_dvo { struct dvo_config *config; bool enabled; struct drm_encoder *encoder; - struct drm_bridge *bridge; + struct drm_bridge bridge; }; struct sti_dvo_connector {
@@ -439,7 +439,6 @@ static int sti_dvo_bind(struct device *dev, struct device *master, void *data) struct drm_encoder *encoder; struct sti_dvo_connector *connector; struct drm_connector *drm_connector; - struct drm_bridge *bridge; int err; /* Set the drm device handle */
@@ -455,20 +454,14 @@ static int sti_dvo_bind(struct device *dev, struct device *master, void *data) connector->dvo = dvo; - bridge = devm_kzalloc(dev, sizeof(*bridge), GFP_KERNEL); - if (!bridge) - return -ENOMEM; - - bridge->driver_private = dvo; - bridge->funcs = &sti_dvo_bridge_funcs; - bridge->of_node = dvo->dev.of_node; - drm_bridge_add(bridge); + dvo->bridge.driver_private = dvo; + dvo->bridge.of_node = dvo->dev.of_node; + drm_bridge_add(&dvo->bridge); - err = drm_bridge_attach(encoder, bridge, NULL, 0); + err = drm_bridge_attach(encoder, &dvo->bridge, NULL, 0); if (err) return err; - dvo->bridge = bridge; connector->encoder = encoder; dvo->encoder = encoder;
@@ -490,7 +483,7 @@ static int sti_dvo_bind(struct device *dev, struct device *master, void *data) return 0; err_sysfs: - drm_bridge_remove(bridge); + drm_bridge_remove(&dvo->bridge); return -EINVAL; }
@@ -499,7 +492,7 @@ static void sti_dvo_unbind(struct device *dev, { struct sti_dvo *dvo = dev_get_drvdata(dev); - drm_bridge_remove(dvo->bridge); + drm_bridge_remove(&dvo->bridge); } static const struct component_ops sti_dvo_ops = {
@@ -515,10 +508,10 @@ static int sti_dvo_probe(struct platform_device *pdev) DRM_INFO("%s\n", __func__); - dvo = devm_kzalloc(dev, sizeof(*dvo), GFP_KERNEL); - if (!dvo) { - DRM_ERROR("Failed to allocate memory for DVO\n"); - return -ENOMEM; + dvo = devm_drm_bridge_alloc(dev, struct sti_dvo, bridge, &sti_dvo_bridge_funcs); + if (IS_ERR(dvo)) { + DRM_ERROR("Failed to allocate DVO\n"); + return PTR_ERR(dvo); } dvo->dev = pdev->dev;
--
2.49.0