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Diffstat (limited to 'drivers/gpu/drm/tilcdc')
-rw-r--r--drivers/gpu/drm/tilcdc/tilcdc_drv.c51
-rw-r--r--drivers/gpu/drm/tilcdc/tilcdc_drv.h3
2 files changed, 43 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,
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.h b/drivers/gpu/drm/tilcdc/tilcdc_drv.h
index d29806ca8817..b818448c83f6 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_drv.h
+++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.h
@@ -46,6 +46,8 @@ struct tilcdc_drm_private {
struct clk *clk; /* functional clock */
int rev; /* IP revision */
+ unsigned int irq;
+
/* don't attempt resolutions w/ higher W * H * Hz: */
uint32_t max_bandwidth;
/*
@@ -82,6 +84,7 @@ struct tilcdc_drm_private {
bool is_registered;
bool is_componentized;
+ bool irq_enabled;
};
/* Sub-module for display. Since we don't know at compile time what panels