diff options
Diffstat (limited to 'drivers/gpu/drm/sti/sti_dvo.c')
| -rw-r--r-- | drivers/gpu/drm/sti/sti_dvo.c | 52 |
1 files changed, 18 insertions, 34 deletions
diff --git a/drivers/gpu/drm/sti/sti_dvo.c b/drivers/gpu/drm/sti/sti_dvo.c index 577c477b5f46..7484d3c3f4ed 100644 --- a/drivers/gpu/drm/sti/sti_dvo.c +++ b/drivers/gpu/drm/sti/sti_dvo.c @@ -7,8 +7,9 @@ #include <linux/clk.h> #include <linux/component.h> #include <linux/debugfs.h> +#include <linux/io.h> #include <linux/module.h> -#include <linux/of_gpio.h> +#include <linux/of.h> #include <linux/platform_device.h> #include <drm/drm_atomic_helper.h> @@ -96,7 +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 { @@ -348,7 +349,7 @@ static int sti_dvo_connector_get_modes(struct drm_connector *connector) static enum drm_mode_status sti_dvo_connector_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) + const struct drm_display_mode *mode) { int target = mode->clock * 1000; int target_min = target - CLK_TOLERANCE_HZ; @@ -438,7 +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 */ @@ -454,20 +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; @@ -489,7 +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; } @@ -498,7 +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 = { @@ -510,28 +504,20 @@ static int sti_dvo_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct sti_dvo *dvo; - struct resource *res; struct device_node *np = dev->of_node; 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; - - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dvo-reg"); - if (!res) { - DRM_ERROR("Invalid dvo resource\n"); - return -ENOMEM; - } - dvo->regs = devm_ioremap(dev, res->start, - resource_size(res)); - if (!dvo->regs) - return -ENOMEM; + dvo->regs = devm_platform_ioremap_resource_byname(pdev, "dvo-reg"); + if (IS_ERR(dvo->regs)) + return PTR_ERR(dvo->regs); dvo->clk_pix = devm_clk_get(dev, "dvo_pix"); if (IS_ERR(dvo->clk_pix)) { @@ -567,10 +553,9 @@ static int sti_dvo_probe(struct platform_device *pdev) return component_add(&pdev->dev, &sti_dvo_ops); } -static int sti_dvo_remove(struct platform_device *pdev) +static void sti_dvo_remove(struct platform_device *pdev) { component_del(&pdev->dev, &sti_dvo_ops); - return 0; } static const struct of_device_id dvo_of_match[] = { @@ -582,7 +567,6 @@ MODULE_DEVICE_TABLE(of, dvo_of_match); struct platform_driver sti_dvo_driver = { .driver = { .name = "sti-dvo", - .owner = THIS_MODULE, .of_match_table = dvo_of_match, }, .probe = sti_dvo_probe, |