drm: Make irq_enabled bool

irq_enabled is only ever 0 or 1, so make it a bool.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

8 files changed, 21 insertions, 19 deletions

diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index dea859f20035..f9af048828ea 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -293,7 +293,7 @@ int drm_irq_install(struct drm_device *dev)
                 mutex_unlock(&dev->struct_mutex);
                 return -EBUSY;
         }
-        dev->irq_enabled = 1;
+        dev->irq_enabled = true;
         mutex_unlock(&dev->struct_mutex);
 
         DRM_DEBUG("irq=%d\n", drm_dev_to_irq(dev));
@@ -316,7 +316,7 @@ int drm_irq_install(struct drm_device *dev)
 
         if (ret < 0) {
                 mutex_lock(&dev->struct_mutex);
-                dev->irq_enabled = 0;
+                dev->irq_enabled = false;
                 mutex_unlock(&dev->struct_mutex);
                 return ret;
         }
@@ -330,7 +330,7 @@ int drm_irq_install(struct drm_device *dev)
 
         if (ret < 0) {
                 mutex_lock(&dev->struct_mutex);
-                dev->irq_enabled = 0;
+                dev->irq_enabled = false;
                 mutex_unlock(&dev->struct_mutex);
                 if (!drm_core_check_feature(dev, DRIVER_MODESET))
                         vga_client_register(dev->pdev, NULL, NULL, NULL);
@@ -351,14 +351,15 @@ EXPORT_SYMBOL(drm_irq_install);
 int drm_irq_uninstall(struct drm_device *dev)
 {
         unsigned long irqflags;
-        int irq_enabled, i;
+        bool irq_enabled;
+        int i;
 
         if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
                 return -EINVAL;
 
         mutex_lock(&dev->struct_mutex);
         irq_enabled = dev->irq_enabled;
-        dev->irq_enabled = 0;
+        dev->irq_enabled = false;
         mutex_unlock(&dev->struct_mutex);
 
         /*
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 1648b40700e8..23da72b5eae9 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -716,13 +716,13 @@ static int fimd_subdrv_probe(struct drm_device *drm_dev, struct device *dev)
 {
         /*
          * enable drm irq mode.
-         * - with irq_enabled = 1, we can use the vblank feature.
+         * - with irq_enabled = true, we can use the vblank feature.
          *
          * P.S. note that we wouldn't use drm irq handler but
          *      just specific driver own one instead because
          *      drm framework supports only one irq handler.
          */
-        drm_dev->irq_enabled = 1;
+        drm_dev->irq_enabled = true;
 
         /*
          * with vblank_disable_allowed = true, vblank interrupt will be disabled
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index 347aa40a94f5..ddaaedde173d 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -383,13 +383,13 @@ static int vidi_subdrv_probe(struct drm_device *drm_dev, struct device *dev)
 {
         /*
          * enable drm irq mode.
-         * - with irq_enabled = 1, we can use the vblank feature.
+         * - with irq_enabled = true, we can use the vblank feature.
          *
          * P.S. note that we wouldn't use drm irq handler but
          *      just specific driver own one instead because
          *      drm framework supports only one irq handler.
          */
-        drm_dev->irq_enabled = 1;
+        drm_dev->irq_enabled = true;
 
         /*
          * with vblank_disable_allowed = true, vblank interrupt will be disabled
diff --git a/drivers/gpu/drm/mga/mga_irq.c b/drivers/gpu/drm/mga/mga_irq.c
index 598c281def0a..2b0ceb8dc11b 100644
--- a/drivers/gpu/drm/mga/mga_irq.c
+++ b/drivers/gpu/drm/mga/mga_irq.c
@@ -169,5 +169,5 @@ void mga_driver_irq_uninstall(struct drm_device *dev)
         /* Disable *all* interrupts */
         MGA_WRITE(MGA_IEN, 0);
 
-        dev->irq_enabled = 0;
+        dev->irq_enabled = false;
 }
diff --git a/drivers/gpu/drm/omapdrm/omap_irq.c b/drivers/gpu/drm/omapdrm/omap_irq.c
index 261b227e4692..cb858600185f 100644
--- a/drivers/gpu/drm/omapdrm/omap_irq.c
+++ b/drivers/gpu/drm/omapdrm/omap_irq.c
@@ -261,7 +261,7 @@ int omap_drm_irq_install(struct drm_device *dev)
                 mutex_unlock(&dev->struct_mutex);
                 return -EBUSY;
         }
-        dev->irq_enabled = 1;
+        dev->irq_enabled = true;
         mutex_unlock(&dev->struct_mutex);
 
         /* Before installing handler */
@@ -272,7 +272,7 @@ int omap_drm_irq_install(struct drm_device *dev)
 
         if (ret < 0) {
                 mutex_lock(&dev->struct_mutex);
-                dev->irq_enabled = 0;
+                dev->irq_enabled = false;
                 mutex_unlock(&dev->struct_mutex);
                 return ret;
         }
@@ -283,7 +283,7 @@ int omap_drm_irq_install(struct drm_device *dev)
 
         if (ret < 0) {
                 mutex_lock(&dev->struct_mutex);
-                dev->irq_enabled = 0;
+                dev->irq_enabled = false;
                 mutex_unlock(&dev->struct_mutex);
                 dispc_free_irq(dev);
         }
@@ -294,11 +294,12 @@ int omap_drm_irq_install(struct drm_device *dev)
 int omap_drm_irq_uninstall(struct drm_device *dev)
 {
         unsigned long irqflags;
-        int irq_enabled, i;
+        bool irq_enabled;
+        int i;
 
         mutex_lock(&dev->struct_mutex);
         irq_enabled = dev->irq_enabled;
-        dev->irq_enabled = 0;
+        dev->irq_enabled = false;
         mutex_unlock(&dev->struct_mutex);
 
         /*
diff --git a/drivers/gpu/host1x/drm/drm.c b/drivers/gpu/host1x/drm/drm.c
index 8c61ceeaa12d..df7d90a3a4fa 100644
--- a/drivers/gpu/host1x/drm/drm.c
+++ b/drivers/gpu/host1x/drm/drm.c
@@ -264,7 +264,7 @@ static int tegra_drm_load(struct drm_device *drm, unsigned long flags)
          * core, so we need to set this manually in order to allow the
          * DRM_IOCTL_WAIT_VBLANK to operate correctly.
          */
-        drm->irq_enabled = 1;
+        drm->irq_enabled = true;
 
         err = drm_vblank_init(drm, drm->mode_config.num_crtc);
         if (err < 0)
diff --git a/drivers/staging/imx-drm/imx-drm-core.c b/drivers/staging/imx-drm/imx-drm-core.c
index 52c29b3afa28..c1014eb2907d 100644
--- a/drivers/staging/imx-drm/imx-drm-core.c
+++ b/drivers/staging/imx-drm/imx-drm-core.c
@@ -396,14 +396,14 @@ static int imx_drm_driver_load(struct drm_device *drm, unsigned long flags)
 
         /*
          * enable drm irq mode.
-         * - with irq_enabled = 1, we can use the vblank feature.
+         * - with irq_enabled = true, we can use the vblank feature.
          *
          * P.S. note that we wouldn't use drm irq handler but
          *      just specific driver own one instead because
          *      drm framework supports only one irq handler and
          *      drivers can well take care of their interrupts
          */
-        drm->irq_enabled = 1;
+        drm->irq_enabled = true;
 
         drm_mode_config_init(drm);
         imx_drm_mode_config_init(drm);
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 7198febd9d8e..713d7c699bcd 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1149,7 +1149,7 @@ struct drm_device {
 
         /** \name Context support */
         /*@{ */
-        int irq_enabled;                /**< True if irq handler is enabled */
+        bool irq_enabled;               /**< True if irq handler is enabled */
         __volatile__ long context_flag; /**< Context swapping flag */
         int last_context;               /**< Last current context */
         /*@} */