[PATCH 12/18] drm: pass the irq explicitly to drm_irq_install

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Unfortunately this requires a drm-wide change, and I didn't see a sane
way around that. Luckily it's fairly simple, we just need to inline
the respective get_irq implementation from either drm_pci.c or
drm_platform.c.

With that we can now also remove drm_dev_to_irq from drm_irq.c.

Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
---
 Documentation/DocBook/drm.tmpl           | 10 +---------
 drivers/gpu/drm/armada/armada_drv.c      |  2 +-
 drivers/gpu/drm/drm_irq.c                | 13 +++----------
 drivers/gpu/drm/gma500/psb_drv.c         |  2 +-
 drivers/gpu/drm/i915/i915_dma.c          |  2 +-
 drivers/gpu/drm/i915/i915_drv.c          |  4 ++--
 drivers/gpu/drm/i915/i915_gem.c          |  2 +-
 drivers/gpu/drm/msm/msm_drv.c            |  2 +-
 drivers/gpu/drm/qxl/qxl_irq.c            |  2 +-
 drivers/gpu/drm/radeon/radeon_irq_kms.c  |  2 +-
 drivers/gpu/drm/shmobile/shmob_drm_drv.c |  2 +-
 drivers/gpu/drm/tilcdc/tilcdc_drv.c      |  2 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_drv.c      |  2 +-
 include/drm/drmP.h                       |  2 +-
 14 files changed, 17 insertions(+), 32 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 702c4474919c..039ac10d7584 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -342,21 +342,13 @@ char *date;</synopsis>
         <sect4>
           <title>Managed IRQ Registration</title>
           <para>
-            Both the <function>drm_irq_install</function> and
-	    <function>drm_irq_uninstall</function> functions get the device IRQ by
-	    calling <function>drm_dev_to_irq</function>. This inline function will
-	    call a bus-specific operation to retrieve the IRQ number. For platform
-	    devices, <function>platform_get_irq</function>(..., 0) is used to
-	    retrieve the IRQ number.
-          </para>
-          <para>
             <function>drm_irq_install</function> starts by calling the
             <methodname>irq_preinstall</methodname> driver operation. The operation
             is optional and must make sure that the interrupt will not get fired by
             clearing all pending interrupt flags or disabling the interrupt.
           </para>
           <para>
-            The IRQ will then be requested by a call to
+            The passed-in IRQ will then be requested by a call to
             <function>request_irq</function>. If the DRIVER_IRQ_SHARED driver
             feature flag is set, a shared (IRQF_SHARED) IRQ handler will be
             requested.
diff --git a/drivers/gpu/drm/armada/armada_drv.c b/drivers/gpu/drm/armada/armada_drv.c
index 32982da82694..567cfbde0883 100644
--- a/drivers/gpu/drm/armada/armada_drv.c
+++ b/drivers/gpu/drm/armada/armada_drv.c
@@ -173,7 +173,7 @@ static int armada_drm_load(struct drm_device *dev, unsigned long flags)
 	if (ret)
 		goto err_kms;
 
-	ret = drm_irq_install(dev);
+	ret = drm_irq_install(dev, platform_get_irq(dev->platformdev, 0));
 	if (ret)
 		goto err_kms;
 
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index a83b037f5615..1259e3db6d62 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -233,11 +233,6 @@ static void drm_irq_vgaarb_nokms(void *cookie, bool state)
 	}
 }
 
-static inline int drm_dev_to_irq(struct drm_device *dev)
-{
-	return dev->driver->bus->get_irq(dev);
-}
-
 /**
  * Install IRQ handler.
  *
@@ -247,14 +242,12 @@ static inline int drm_dev_to_irq(struct drm_device *dev)
  * \c irq_preinstall() and \c irq_postinstall() functions
  * before and after the installation.
  */
-int drm_irq_install(struct drm_device *dev)
+int drm_irq_install(struct drm_device *dev, int irq)
 {
-	int ret, irq;
+	int ret;
 	unsigned long sh_flags = 0;
 	char *irqname;
 
-	irq = drm_dev_to_irq(dev);
-
 	if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
 		return -EINVAL;
 
@@ -400,7 +393,7 @@ int drm_control(struct drm_device *dev, void *data,
 			return -EINVAL;
 
 		mutex_lock(&dev->struct_mutex);
-		ret = drm_irq_install(dev);
+		ret = drm_irq_install(dev, irq);
 		mutex_unlock(&dev->struct_mutex);
 
 		return ret;
diff --git a/drivers/gpu/drm/gma500/psb_drv.c b/drivers/gpu/drm/gma500/psb_drv.c
index b686e56646eb..0a3101a3db19 100644
--- a/drivers/gpu/drm/gma500/psb_drv.c
+++ b/drivers/gpu/drm/gma500/psb_drv.c
@@ -354,7 +354,7 @@ static int psb_driver_load(struct drm_device *dev, unsigned long flags)
 	PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R);
 	spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
 
-	drm_irq_install(dev);
+	drm_irq_install(dev, dev->pdev->irq);
 
 	dev->vblank_disable_allowed = true;
 	dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index dcb67c6564dd..53765aa8fc4a 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1336,7 +1336,7 @@ static int i915_load_modeset_init(struct drm_device *dev)
 
 	intel_power_domains_init_hw(dev_priv);
 
-	ret = drm_irq_install(dev);
+	ret = drm_irq_install(dev, dev->pdev->irq);
 	if (ret)
 		goto cleanup_gem_stolen;
 
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 87ce105910f2..6124b491a19e 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -574,7 +574,7 @@ static int __i915_drm_thaw(struct drm_device *dev, bool restore_gtt_mappings)
 		mutex_unlock(&dev->struct_mutex);
 
 		/* We need working interrupts for modeset enabling ... */
-		drm_irq_install(dev);
+		drm_irq_install(dev, dev->pdev->irq);
 
 		intel_modeset_init_hw(dev);
 
@@ -752,7 +752,7 @@ int i915_reset(struct drm_device *dev)
 		 * being false when they shouldn't be able to.
 		 */
 		drm_irq_uninstall(dev);
-		drm_irq_install(dev);
+		drm_irq_install(dev, dev->pdev->irq);
 
 		/* rps/rc6 re-init is necessary to restore state lost after the
 		 * reset and the re-install of drm irq. Skip for ironlake per
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 48abe3b4976b..74b872bf7fcc 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4523,7 +4523,7 @@ i915_gem_entervt_ioctl(struct drm_device *dev, void *data,
 
 	BUG_ON(!list_empty(&dev_priv->gtt.base.active_list));
 
-	ret = drm_irq_install(dev);
+	ret = drm_irq_install(dev, dev->pdev->irq);
 	if (ret)
 		goto cleanup_ringbuffer;
 	mutex_unlock(&dev->struct_mutex);
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index f9de156b9e65..50ec1bed5820 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -288,7 +288,7 @@ static int msm_load(struct drm_device *dev, unsigned long flags)
 	}
 
 	pm_runtime_get_sync(dev->dev);
-	ret = drm_irq_install(dev);
+	ret = drm_irq_install(dev, platform_get_irq(dev->platformdev, 0));
 	pm_runtime_put_sync(dev->dev);
 	if (ret < 0) {
 		dev_err(dev->dev, "failed to install IRQ handler\n");
diff --git a/drivers/gpu/drm/qxl/qxl_irq.c b/drivers/gpu/drm/qxl/qxl_irq.c
index 28f84b4fce32..34d6a85e9023 100644
--- a/drivers/gpu/drm/qxl/qxl_irq.c
+++ b/drivers/gpu/drm/qxl/qxl_irq.c
@@ -87,7 +87,7 @@ int qxl_irq_init(struct qxl_device *qdev)
 	atomic_set(&qdev->irq_received_cursor, 0);
 	atomic_set(&qdev->irq_received_io_cmd, 0);
 	qdev->irq_received_error = 0;
-	ret = drm_irq_install(qdev->ddev);
+	ret = drm_irq_install(qdev->ddev, qdev->ddev->pdev->irq);
 	qdev->ram_header->int_mask = QXL_INTERRUPT_MASK;
 	if (unlikely(ret != 0)) {
 		DRM_ERROR("Failed installing irq: %d\n", ret);
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index 089c9ffb0aa9..16807afab362 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -287,7 +287,7 @@ int radeon_irq_kms_init(struct radeon_device *rdev)
 	INIT_WORK(&rdev->reset_work, radeon_irq_reset_work_func);
 
 	rdev->irq.installed = true;
-	r = drm_irq_install(rdev->ddev);
+	r = drm_irq_install(rdev->ddev, rdev->ddev->pdev->irq);
 	if (r) {
 		rdev->irq.installed = false;
 		flush_work(&rdev->hotplug_work);
diff --git a/drivers/gpu/drm/shmobile/shmob_drm_drv.c b/drivers/gpu/drm/shmobile/shmob_drm_drv.c
index c839c9c89efb..82c84c7fd4f6 100644
--- a/drivers/gpu/drm/shmobile/shmob_drm_drv.c
+++ b/drivers/gpu/drm/shmobile/shmob_drm_drv.c
@@ -185,7 +185,7 @@ static int shmob_drm_load(struct drm_device *dev, unsigned long flags)
 		goto done;
 	}
 
-	ret = drm_irq_install(dev);
+	ret = drm_irq_install(dev, platform_get_irq(dev->platformdev, 0));
 	if (ret < 0) {
 		dev_err(&pdev->dev, "failed to install IRQ handler\n");
 		goto done;
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
index 171a8203892c..b20b69488dc9 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
@@ -268,7 +268,7 @@ static int tilcdc_load(struct drm_device *dev, unsigned long flags)
 	}
 
 	pm_runtime_get_sync(dev->dev);
-	ret = drm_irq_install(dev);
+	ret = drm_irq_install(dev, platform_get_irq(dev->platformdev, 0));
 	pm_runtime_put_sync(dev->dev);
 	if (ret < 0) {
 		dev_err(dev->dev, "failed to install IRQ handler\n");
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 4a223bbea3b3..6bdd15eea7e8 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -806,7 +806,7 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
 	}
 
 	if (dev_priv->capabilities & SVGA_CAP_IRQMASK) {
-		ret = drm_irq_install(dev);
+		ret = drm_irq_install(dev, dev->pdev->irq);
 		if (ret != 0) {
 			DRM_ERROR("Failed installing irq: %d\n", ret);
 			goto out_no_irq;
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 6f512cd97cd5..da28f49d7950 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1353,7 +1353,7 @@ extern void drm_core_reclaim_buffers(struct drm_device *dev,
 				/* IRQ support (drm_irq.h) */
 extern int drm_control(struct drm_device *dev, void *data,
 		       struct drm_file *file_priv);
-extern int drm_irq_install(struct drm_device *dev);
+extern int drm_irq_install(struct drm_device *dev, int irq);
 extern int drm_irq_uninstall(struct drm_device *dev);
 
 extern int drm_vblank_init(struct drm_device *dev, int num_crtcs);
-- 
1.8.5.2

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