Add new api devm_drm_irq_install() to register interrupts, no need to call drm_irq_uninstall() when the drm module is removed.
v2: fixed the wrong parameter.
Signed-off-by: Tian Tao tiantao6@hisilicon.com --- drivers/gpu/drm/drm_drv.c | 23 +++++++++++++++++++++++ include/drm/drm_drv.h | 3 ++- 2 files changed, 25 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index cd162d4..0fe5243 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -39,6 +39,7 @@ #include <drm/drm_color_mgmt.h> #include <drm/drm_drv.h> #include <drm/drm_file.h> +#include <drm/drm_irq.h> #include <drm/drm_managed.h> #include <drm/drm_mode_object.h> #include <drm/drm_print.h> @@ -678,6 +679,28 @@ static int devm_drm_dev_init(struct device *parent, return ret; }
+static void devm_drm_dev_irq_uninstall(void *data) +{ + drm_irq_uninstall(data); +} + +int devm_drm_irq_install(struct device *parent, + struct drm_device *dev, int irq) +{ + int ret; + + ret = drm_irq_install(dev, irq); + if (ret) + return ret; + + ret = devm_add_action(parent, devm_drm_dev_irq_uninstall, dev); + if (ret) + devm_drm_dev_irq_uninstall(dev); + + return ret; +} +EXPORT_SYMBOL(devm_drm_irq_install); + void *__devm_drm_dev_alloc(struct device *parent, struct drm_driver *driver, size_t size, size_t offset) { diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h index 0230762..fec1776 100644 --- a/include/drm/drm_drv.h +++ b/include/drm/drm_drv.h @@ -513,7 +513,8 @@ struct drm_driver {
void *__devm_drm_dev_alloc(struct device *parent, struct drm_driver *driver, size_t size, size_t offset); - +int devm_drm_irq_install(struct device *parent, struct drm_device *dev, + int irq); /** * devm_drm_dev_alloc - Resource managed allocation of a &drm_device instance * @parent: Parent device object