From dcdb167402cbdca1d021bdfa5f63995ee0a79317 Mon Sep 17 00:00:00 2001 From: Jordan Crouse Date: Thu, 27 May 2010 13:40:25 -0600 Subject: drm: Add support for platform devices to register as DRM devices Allow platform devices without PCI resources to be DRM devices. [airlied: fixup warnings with dev pointers] Signed-off-by: Jordan Crouse Signed-off-by: Dave Airlie --- drivers/gpu/drm/drm_irq.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) (limited to 'drivers/gpu/drm/drm_irq.c') diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index a263b7070fc6..6353b625e099 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -57,6 +57,9 @@ int drm_irq_by_busid(struct drm_device *dev, void *data, { struct drm_irq_busid *p = data; + if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE)) + return -EINVAL; + if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) return -EINVAL; @@ -211,7 +214,7 @@ int drm_irq_install(struct drm_device *dev) if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) return -EINVAL; - if (dev->pdev->irq == 0) + if (drm_dev_to_irq(dev) == 0) return -EINVAL; mutex_lock(&dev->struct_mutex); @@ -229,7 +232,7 @@ int drm_irq_install(struct drm_device *dev) dev->irq_enabled = 1; mutex_unlock(&dev->struct_mutex); - DRM_DEBUG("irq=%d\n", dev->pdev->irq); + DRM_DEBUG("irq=%d\n", drm_dev_to_irq(dev)); /* Before installing handler */ dev->driver->irq_preinstall(dev); @@ -302,14 +305,14 @@ int drm_irq_uninstall(struct drm_device * dev) if (!irq_enabled) return -EINVAL; - DRM_DEBUG("irq=%d\n", dev->pdev->irq); + DRM_DEBUG("irq=%d\n", drm_dev_to_irq(dev)); if (!drm_core_check_feature(dev, DRIVER_MODESET)) vga_client_register(dev->pdev, NULL, NULL, NULL); dev->driver->irq_uninstall(dev); - free_irq(dev->pdev->irq, dev); + free_irq(drm_dev_to_irq(dev), dev); return 0; } @@ -341,7 +344,7 @@ int drm_control(struct drm_device *dev, void *data, if (drm_core_check_feature(dev, DRIVER_MODESET)) return 0; if (dev->if_version < DRM_IF_VERSION(1, 2) && - ctl->irq != dev->pdev->irq) + ctl->irq != drm_dev_to_irq(dev)) return -EINVAL; return drm_irq_install(dev); case DRM_UNINST_HANDLER: @@ -651,7 +654,7 @@ int drm_wait_vblank(struct drm_device *dev, void *data, int ret = 0; unsigned int flags, seq, crtc; - if ((!dev->pdev->irq) || (!dev->irq_enabled)) + if ((!drm_dev_to_irq(dev)) || (!dev->irq_enabled)) return -EINVAL; if (vblwait->request.type & _DRM_VBLANK_SIGNAL) -- cgit v1.2.3 From ac2874b980e05ed7a4ea8fed7b0a92428b51ce58 Mon Sep 17 00:00:00 2001 From: Jesse Barnes Date: Thu, 1 Jul 2010 16:47:31 -0700 Subject: drm: add vblank event trace point Emit a trace point for vblank events. This can be helpful for mapping drawing activity against the vblank frequency and period. Signed-off-by: Jesse Barnes Signed-off-by: Dave Airlie --- drivers/gpu/drm/drm_irq.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/gpu/drm/drm_irq.c') diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index a263b7070fc6..6d201a89441c 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -34,6 +34,7 @@ */ #include "drmP.h" +#include "drm_trace.h" #include /* For task queue support */ #include @@ -754,6 +755,8 @@ void drm_handle_vblank_events(struct drm_device *dev, int crtc) } spin_unlock_irqrestore(&dev->event_lock, flags); + + trace_drm_vblank_event(crtc, seq); } /** -- cgit v1.2.3 From b9c2c9ae882f058084e13e339925dbf8d2d20271 Mon Sep 17 00:00:00 2001 From: Jesse Barnes Date: Thu, 1 Jul 2010 16:48:09 -0700 Subject: drm: add per-event vblank event trace points Allows us to track each process that requests and completes events. Signed-off-by: Jesse Barnes Signed-off-by: Dave Airlie --- drivers/gpu/drm/drm_irq.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers/gpu/drm/drm_irq.c') diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 6d201a89441c..c2ecb3ed009f 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -588,6 +588,7 @@ static int drm_queue_vblank_event(struct drm_device *dev, int pipe, return -ENOMEM; e->pipe = pipe; + e->base.pid = current->pid; e->event.base.type = DRM_EVENT_VBLANK; e->event.base.length = sizeof e->event; e->event.user_data = vblwait->request.signal; @@ -615,6 +616,9 @@ static int drm_queue_vblank_event(struct drm_device *dev, int pipe, DRM_DEBUG("event on vblank count %d, current %d, crtc %d\n", vblwait->request.sequence, seq, pipe); + trace_drm_vblank_event_queued(current->pid, pipe, + vblwait->request.sequence); + e->event.sequence = vblwait->request.sequence; if ((seq - vblwait->request.sequence) <= (1 << 23)) { e->event.tv_sec = now.tv_sec; @@ -622,6 +626,8 @@ static int drm_queue_vblank_event(struct drm_device *dev, int pipe, drm_vblank_put(dev, e->pipe); list_add_tail(&e->base.link, &e->base.file_priv->event_list); wake_up_interruptible(&e->base.file_priv->event_wait); + trace_drm_vblank_event_delivered(current->pid, pipe, + vblwait->request.sequence); } else { list_add_tail(&e->base.link, &dev->vblank_event_list); } @@ -752,6 +758,8 @@ void drm_handle_vblank_events(struct drm_device *dev, int crtc) drm_vblank_put(dev, e->pipe); list_move_tail(&e->base.link, &e->base.file_priv->event_list); wake_up_interruptible(&e->base.file_priv->event_wait); + trace_drm_vblank_event_delivered(e->base.pid, e->pipe, + e->event.sequence); } spin_unlock_irqrestore(&dev->event_lock, flags); -- cgit v1.2.3