diff options
Diffstat (limited to 'drivers/gpu/drm/tilcdc/tilcdc_drv.c')
| -rw-r--r-- | drivers/gpu/drm/tilcdc/tilcdc_drv.c | 51 | 
1 files changed, 40 insertions, 11 deletions
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c index f1d3a9f919fd..6b03f89a98d4 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c @@ -20,7 +20,6 @@  #include <drm/drm_fourcc.h>  #include <drm/drm_gem_cma_helper.h>  #include <drm/drm_gem_framebuffer_helper.h> -#include <drm/drm_irq.h>  #include <drm/drm_mm.h>  #include <drm/drm_probe_helper.h>  #include <drm/drm_vblank.h> @@ -124,6 +123,39 @@ static int cpufreq_transition(struct notifier_block *nb,  }  #endif +static irqreturn_t tilcdc_irq(int irq, void *arg) +{ +	struct drm_device *dev = arg; +	struct tilcdc_drm_private *priv = dev->dev_private; + +	return tilcdc_crtc_irq(priv->crtc); +} + +static int tilcdc_irq_install(struct drm_device *dev, unsigned int irq) +{ +	struct tilcdc_drm_private *priv = dev->dev_private; +	int ret; + +	ret = request_irq(irq, tilcdc_irq, 0, dev->driver->name, dev); +	if (ret) +		return ret; + +	priv->irq_enabled = false; + +	return 0; +} + +static void tilcdc_irq_uninstall(struct drm_device *dev) +{ +	struct tilcdc_drm_private *priv = dev->dev_private; + +	if (!priv->irq_enabled) +		return; + +	free_irq(priv->irq, dev); +	priv->irq_enabled = false; +} +  /*   * DRM operations:   */ @@ -145,7 +177,7 @@ static void tilcdc_fini(struct drm_device *dev)  		drm_dev_unregister(dev);  	drm_kms_helper_poll_fini(dev); -	drm_irq_uninstall(dev); +	tilcdc_irq_uninstall(dev);  	drm_mode_config_cleanup(dev);  	if (priv->clk) @@ -336,7 +368,12 @@ static int tilcdc_init(const struct drm_driver *ddrv, struct device *dev)  		goto init_failed;  	} -	ret = drm_irq_install(ddev, platform_get_irq(pdev, 0)); +	ret = platform_get_irq(pdev, 0); +	if (ret < 0) +		goto init_failed; +	priv->irq = ret; + +	ret = tilcdc_irq_install(ddev, priv->irq);  	if (ret < 0) {  		dev_err(dev, "failed to install IRQ handler\n");  		goto init_failed; @@ -360,13 +397,6 @@ init_failed:  	return ret;  } -static irqreturn_t tilcdc_irq(int irq, void *arg) -{ -	struct drm_device *dev = arg; -	struct tilcdc_drm_private *priv = dev->dev_private; -	return tilcdc_crtc_irq(priv->crtc); -} -  #if defined(CONFIG_DEBUG_FS)  static const struct {  	const char *name; @@ -454,7 +484,6 @@ DEFINE_DRM_GEM_CMA_FOPS(fops);  static const struct drm_driver tilcdc_driver = {  	.driver_features    = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC, -	.irq_handler        = tilcdc_irq,  	DRM_GEM_CMA_DRIVER_OPS,  #ifdef CONFIG_DEBUG_FS  	.debugfs_init       = tilcdc_debugfs_init,  |