--- /dev/null
- i915_init_hws_phys(struct drm_device *dev)
+/*
+ * Copyright (c) 2007 Intel Corporation
+ * Jesse Barnes <jesse.barnes@intel.com>
+ *
+ * Copyright © 2002, 2003 David Dawes <dawes@xfree86.org>
+ * 2004 Sylvain Meyer
+ *
+ * GPL/BSD dual license
+ */
+#include "drmP.h"
+#include "drm.h"
+#include "drm_sarea.h"
+#include "i915_drm.h"
+#include "i915_drv.h"
+#include "intel_bios.h"
+#include "intel_drv.h"
+
+/**
+ * i915_probe_agp - get AGP bootup configuration
+ * @pdev: PCI device
+ * @aperture_size: returns AGP aperture configured size
+ * @preallocated_size: returns size of BIOS preallocated AGP space
+ *
+ * Since Intel integrated graphics are UMA, the BIOS has to set aside
+ * some RAM for the framebuffer at early boot. This code figures out
+ * how much was set aside so we can use it for our own purposes.
+ */
+int i915_probe_agp(struct pci_dev *pdev, unsigned long *aperture_size,
+ unsigned long *preallocated_size)
+{
+ struct pci_dev *bridge_dev;
+ u16 tmp = 0;
+ unsigned long overhead;
+
+ bridge_dev = pci_get_bus_and_slot(0, PCI_DEVFN(0,0));
+ if (!bridge_dev) {
+ DRM_ERROR("bridge device not found\n");
+ return -1;
+ }
+
+ /* Get the fb aperture size and "stolen" memory amount. */
+ pci_read_config_word(bridge_dev, INTEL_GMCH_CTRL, &tmp);
+ pci_dev_put(bridge_dev);
+
+ *aperture_size = 1024 * 1024;
+ *preallocated_size = 1024 * 1024;
+
+ switch (pdev->device) {
+ case PCI_DEVICE_ID_INTEL_82830_CGC:
+ case PCI_DEVICE_ID_INTEL_82845G_IG:
+ case PCI_DEVICE_ID_INTEL_82855GM_IG:
+ case PCI_DEVICE_ID_INTEL_82865_IG:
+ if ((tmp & INTEL_GMCH_MEM_MASK) == INTEL_GMCH_MEM_64M)
+ *aperture_size *= 64;
+ else
+ *aperture_size *= 128;
+ break;
+ default:
+ /* 9xx supports large sizes, just look at the length */
+ *aperture_size = pci_resource_len(pdev, 2);
+ break;
+ }
+
+ /*
+ * Some of the preallocated space is taken by the GTT
+ * and popup. GTT is 1K per MB of aperture size, and popup is 4K.
+ */
+ overhead = (*aperture_size / 1024) + 4096;
+ switch (tmp & INTEL_855_GMCH_GMS_MASK) {
+ case INTEL_855_GMCH_GMS_STOLEN_1M:
+ break; /* 1M already */
+ case INTEL_855_GMCH_GMS_STOLEN_4M:
+ *preallocated_size *= 4;
+ break;
+ case INTEL_855_GMCH_GMS_STOLEN_8M:
+ *preallocated_size *= 8;
+ break;
+ case INTEL_855_GMCH_GMS_STOLEN_16M:
+ *preallocated_size *= 16;
+ break;
+ case INTEL_855_GMCH_GMS_STOLEN_32M:
+ *preallocated_size *= 32;
+ break;
+ case INTEL_915G_GMCH_GMS_STOLEN_48M:
+ *preallocated_size *= 48;
+ break;
+ case INTEL_915G_GMCH_GMS_STOLEN_64M:
+ *preallocated_size *= 64;
+ break;
+ case INTEL_855_GMCH_GMS_DISABLED:
+ DRM_ERROR("video memory is disabled\n");
+ return -1;
+ default:
+ DRM_ERROR("unexpected GMCH_GMS value: 0x%02x\n",
+ tmp & INTEL_855_GMCH_GMS_MASK);
+ return -1;
+ }
+ *preallocated_size -= overhead;
+
+ return 0;
+}
+
+static int
- dev_priv->status_page_dmah = drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE,
++i915_init_hardware_status(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
++ drm_dma_handle_t *dmah;
+ int ret = 0;
+
-
- if (!dev_priv->status_page_dmah) {
++#ifdef __FreeBSD__
++ DRM_UNLOCK();
++#endif
++ dmah = drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE,
+ 0xffffffff);
- dev_priv->hw_status_page = dev_priv->status_page_dmah->vaddr;
- dev_priv->dma_status_page = dev_priv->status_page_dmah->busaddr;
++#ifdef __FreeBSD__
++ DRM_LOCK();
++#endif
++ if (!dmah) {
+ DRM_ERROR("Can not allocate hardware status page\n");
+ ret = -ENOMEM;
+ goto out;
+ }
- if (!I915_NEED_GFX_HWS(dev))
- i915_init_hws_phys(dev);
-
++ dev_priv->status_page_dmah = dmah;
++ dev_priv->hw_status_page = dmah->vaddr;
++ dev_priv->dma_status_page = dmah->busaddr;
+
+ memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
+
+ I915_WRITE(HWS_PGA, dev_priv->dma_status_page);
+ DRM_DEBUG("hws kernel virt: 0x%p\n", dev_priv->hw_status_page);
+
+out:
+ return ret;
+}
+
++void i915_free_hardware_status(struct drm_device *dev)
++{
++ struct drm_i915_private *dev_priv = dev->dev_private;
++ if (dev_priv->status_page_dmah) {
++ drm_pci_free(dev, dev_priv->status_page_dmah);
++ dev_priv->status_page_dmah = NULL;
++ /* Need to rewrite hardware status page */
++ I915_WRITE(0x02080, 0x1ffff000);
++ }
++
++ if (dev_priv->status_gfx_addr) {
++ dev_priv->status_gfx_addr = 0;
++ drm_core_ioremapfree(&dev_priv->hws_map, dev);
++ I915_WRITE(0x02080, 0x1ffff000);
++ }
++}
++
+static int i915_load_modeset_init(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ unsigned long agp_size, prealloc_size;
+ int ret = 0;
+
+ i915_probe_agp(dev->pdev, &agp_size, &prealloc_size);
+
+ /* Basic memrange allocator for stolen space (aka vram) */
+ drm_mm_init(&dev_priv->vram, 0, prealloc_size);
+ /* Let GEM Manage from end of prealloc space to end of aperture */
+ i915_gem_do_init(dev, prealloc_size, agp_size);
+
+ ret = i915_gem_init_ringbuffer(dev);
+ if (ret)
+ goto out;
+
+ /* Allow hardware batchbuffers unless told otherwise.
+ */
+ dev_priv->allow_batchbuffer = 1;
+ dev_priv->max_validate_buffers = I915_MAX_VALIDATE_BUFFERS;
+ mutex_init(&dev_priv->cmdbuf_mutex);
+
+ dev_priv->wq = create_singlethread_workqueue("i915");
+ if (dev_priv->wq == 0) {
+ DRM_DEBUG("Error\n");
+ ret = -EINVAL;
+ goto destroy_ringbuffer;
+ }
+
+ ret = intel_init_bios(dev);
+ if (ret) {
+ DRM_ERROR("failed to find VBIOS tables\n");
+ ret = -ENODEV;
+ goto destroy_wq;
+ }
+
+ intel_modeset_init(dev);
+ drm_helper_initial_config(dev, false);
+
+ dev->devname = kstrdup(DRIVER_NAME, GFP_KERNEL);
+ if (!dev->devname) {
+ ret = -ENOMEM;
+ goto modeset_cleanup;
+ }
+
+ ret = drm_irq_install(dev);
+ if (ret) {
+ kfree(dev->devname);
+ goto modeset_cleanup;
+ }
+ return 0;
+
+modeset_cleanup:
+ intel_modeset_cleanup(dev);
+destroy_wq:
+ destroy_workqueue(dev_priv->wq);
+destroy_ringbuffer:
+ i915_gem_cleanup_ringbuffer(dev);
+out:
+ return ret;
+}
+
+/**
+ * i915_driver_load - setup chip and create an initial config
+ * @dev: DRM device
+ * @flags: startup flags
+ *
+ * The driver load routine has to do several things:
+ * - drive output discovery via intel_modeset_init()
+ * - initialize the memory manager
+ * - allocate initial config memory
+ * - setup the DRM framebuffer with the allocated memory
+ */
+int i915_driver_load(struct drm_device *dev, unsigned long flags)
+{
+ struct drm_i915_private *dev_priv;
+ int ret = 0, num_pipes = 2;
+ u32 tmp;
+
+ dev_priv = drm_alloc(sizeof(struct drm_i915_private), DRM_MEM_DRIVER);
+ if (dev_priv == NULL)
+ return -ENOMEM;
+
+ memset(dev_priv, 0, sizeof(struct drm_i915_private));
+ dev->dev_private = (void *)dev_priv;
+ dev_priv->dev = dev;
+
+ /* i915 has 4 more counters */
+ dev->counters += 4;
+ dev->types[6] = _DRM_STAT_IRQ;
+ dev->types[7] = _DRM_STAT_PRIMARY;
+ dev->types[8] = _DRM_STAT_SECONDARY;
+ dev->types[9] = _DRM_STAT_DMA;
+
+ if (IS_MOBILE(dev) || IS_I9XX(dev))
+ dev_priv->cursor_needs_physical = true;
+ else
+ dev_priv->cursor_needs_physical = false;
+
+ if (IS_I965G(dev) || IS_G33(dev))
+ dev_priv->cursor_needs_physical = false;
+
+ if (IS_I9XX(dev))
+ pci_read_config_dword(dev->pdev, 0x5C, &dev_priv->stolen_base);
+
+ if (IS_I9XX(dev)) {
+ dev_priv->mmiobase = drm_get_resource_start(dev, 0);
+ dev_priv->mmiolen = drm_get_resource_len(dev, 0);
+ dev->mode_config.fb_base =
+ drm_get_resource_start(dev, 2) & 0xff000000;
+ } else if (drm_get_resource_start(dev, 1)) {
+ dev_priv->mmiobase = drm_get_resource_start(dev, 1);
+ dev_priv->mmiolen = drm_get_resource_len(dev, 1);
+ dev->mode_config.fb_base =
+ drm_get_resource_start(dev, 0) & 0xff000000;
+ } else {
+ DRM_ERROR("Unable to find MMIO registers\n");
+ ret = -ENODEV;
+ goto free_priv;
+ }
+
+ DRM_DEBUG("fb_base: 0x%08lx\n", dev->mode_config.fb_base);
+
+ ret = drm_addmap(dev, dev_priv->mmiobase, dev_priv->mmiolen,
+ _DRM_REGISTERS, _DRM_KERNEL|_DRM_READ_ONLY|_DRM_DRIVER,
+ &dev_priv->mmio_map);
+ if (ret != 0) {
+ DRM_ERROR("Cannot add mapping for MMIO registers\n");
+ goto free_priv;
+ }
+
+ i915_gem_load(dev);
+
+#ifdef __linux__
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
+ intel_init_chipset_flush_compat(dev);
+#endif
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,25)
+ intel_opregion_init(dev);
+#endif
+#endif
+
+ tmp = I915_READ(PIPEASTAT);
+ I915_WRITE(PIPEASTAT, tmp);
+ tmp = I915_READ(PIPEBSTAT);
+ I915_WRITE(PIPEBSTAT, tmp);
+
+ atomic_set(&dev_priv->irq_received, 0);
+ I915_WRITE(HWSTAM, 0xeffe);
+ I915_WRITE(IMR, 0x0);
+ I915_WRITE(IER, 0x0);
+
+ DRM_SPININIT(&dev_priv->swaps_lock, "swap");
+ INIT_LIST_HEAD(&dev_priv->vbl_swaps.head);
+ dev_priv->swaps_pending = 0;
+
+ DRM_SPININIT(&dev_priv->user_irq_lock, "userirq");
+ dev_priv->user_irq_refcount = 0;
+ dev_priv->irq_mask_reg = ~0;
+
+ ret = drm_vblank_init(dev, num_pipes);
+ if (ret)
+ goto out_rmmap;
+
+ ret = drm_hotplug_init(dev);
+ if (ret)
+ goto out_rmmap;
+
+ dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B;
+ dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
+
+ i915_enable_interrupt(dev);
+ DRM_INIT_WAITQUEUE(&dev_priv->irq_queue);
+
+ /*
+ * Initialize the hardware status page IRQ location.
+ */
+
+ I915_WRITE(INSTPM, (1 << 5) | (1 << 21));
+
++ if (!I915_NEED_GFX_HWS(dev)) {
++ ret = i915_init_hardware_status(dev);
++ if (ret)
++ return ret;
++ }
++
+ if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+ ret = i915_load_modeset_init(dev);
+ if (ret < 0) {
+ DRM_ERROR("failed to init modeset\n");
+ goto out_rmmap;
+ }
+ }
+
+ return 0;
+
+out_rmmap:
+ drm_rmmap(dev, dev_priv->mmio_map);
+free_priv:
+ drm_free(dev_priv, sizeof(struct drm_i915_private), DRM_MEM_DRIVER);
+ return ret;
+}
+
+int i915_driver_unload(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ u32 temp;
+
++ i915_free_hardware_status(dev);
++
+ dev_priv->vblank_pipe = 0;
+
+ dev_priv->irq_enabled = 0;
+
+ I915_WRITE(HWSTAM, 0xffffffff);
+ I915_WRITE(IMR, 0xffffffff);
+ I915_WRITE(IER, 0x0);
+
+ temp = I915_READ(PIPEASTAT);
+ I915_WRITE(PIPEASTAT, temp);
+ temp = I915_READ(PIPEBSTAT);
+ I915_WRITE(PIPEBSTAT, temp);
+ temp = I915_READ(IIR);
+ I915_WRITE(IIR, temp);
+
+ I915_WRITE(PRB0_CTL, 0);
+
+ if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+ drm_irq_uninstall(dev);
+ intel_modeset_cleanup(dev);
+ destroy_workqueue(dev_priv->wq);
+ }
+
+#if 0
+ if (dev_priv->ring.virtual_start) {
+ drm_core_ioremapfree(&dev_priv->ring.map, dev);
+ }
+#endif
+
+#ifdef DRI2
+ if (dev_priv->sarea_kmap.virtual) {
+ drm_bo_kunmap(&dev_priv->sarea_kmap);
+ dev_priv->sarea_kmap.virtual = NULL;
+ dev->sigdata.lock = NULL;
+ }
+
+ if (dev_priv->sarea_bo) {
+ mutex_lock(&dev->struct_mutex);
+ drm_bo_usage_deref_locked(&dev_priv->sarea_bo);
+ mutex_unlock(&dev->struct_mutex);
+ dev_priv->sarea_bo = NULL;
+ }
+#endif
+
+ if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+ mutex_lock(&dev->struct_mutex);
+ i915_gem_cleanup_ringbuffer(dev);
+ mutex_unlock(&dev->struct_mutex);
+ drm_mm_takedown(&dev_priv->vram);
+ i915_gem_lastclose(dev);
+ if (!I915_NEED_GFX_HWS(dev))
+ drm_pci_free(dev, dev_priv->status_page_dmah);
+ }
+
+ drm_rmmap(dev, dev_priv->mmio_map);
+
+#ifdef __linux__
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,25)
+ intel_opregion_free(dev);
+#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
+ intel_fini_chipset_flush_compat(dev);
+#endif
+#endif
+
+ drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER);
+
+ dev->dev_private = NULL;
+ return 0;
+}
+
+int i915_master_create(struct drm_device *dev, struct drm_master *master)
+{
+ struct drm_i915_master_private *master_priv;
+ unsigned long sareapage;
+ int ret;
+
+ master_priv = drm_calloc(1, sizeof(*master_priv), DRM_MEM_DRIVER);
+ if (!master_priv)
+ return -ENOMEM;
+
+ /* prebuild the SAREA */
+ sareapage = max(SAREA_MAX, PAGE_SIZE);
+ ret = drm_addmap(dev, 0, sareapage, _DRM_SHM, _DRM_CONTAINS_LOCK|_DRM_DRIVER,
+ &master_priv->sarea);
+ if (ret) {
+ DRM_ERROR("SAREA setup failed\n");
+ return ret;
+ }
+ master_priv->sarea_priv = master_priv->sarea->handle + sizeof(struct drm_sarea);
+ master_priv->sarea_priv->pf_current_page = 0;
+
+ master->driver_priv = master_priv;
+ return 0;
+}
+
+void i915_master_destroy(struct drm_device *dev, struct drm_master *master)
+{
+ struct drm_i915_master_private *master_priv = master->driver_priv;
+
+ if (!master_priv)
+ return;
+
+ if (master_priv->sarea)
+ drm_rmmap_locked(dev, master_priv->sarea);
+
+ drm_free(master_priv, sizeof(*master_priv), DRM_MEM_DRIVER);
+
+ master->driver_priv = NULL;
+}
+
+int i915_driver_open(struct drm_device *dev, struct drm_file *file_priv)
+{
+ struct drm_i915_file_private *i915_file_priv;
+
+ DRM_DEBUG("\n");
+ i915_file_priv = (struct drm_i915_file_private *)
+ drm_alloc(sizeof(*i915_file_priv), DRM_MEM_FILES);
+
+ if (!i915_file_priv)
+ return -ENOMEM;
+
+ file_priv->driver_priv = i915_file_priv;
+
+ i915_file_priv->mm.last_gem_seqno = 0;
+ i915_file_priv->mm.last_gem_throttle_seqno = 0;
+
+ return 0;
+}
+
+void i915_driver_postclose(struct drm_device *dev, struct drm_file *file_priv)
+{
+ struct drm_i915_file_private *i915_file_priv = file_priv->driver_priv;
+
+ drm_free(i915_file_priv, sizeof(*i915_file_priv), DRM_MEM_FILES);
+}
+
+void i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ if (!drm_core_check_feature(dev, DRIVER_MODESET))
+ i915_mem_release(dev, file_priv, dev_priv->agp_heap);
+}
+
+void i915_driver_lastclose(struct drm_device * dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ if (drm_core_check_feature(dev, DRIVER_MODESET))
+ return;
+
+#ifdef I915_HAVE_BUFFER
+ if (dev_priv->val_bufs) {
+ vfree(dev_priv->val_bufs);
+ dev_priv->val_bufs = NULL;
+ }
+#endif
+
+ i915_gem_lastclose(dev);
+
+ if (dev_priv->agp_heap)
+ i915_mem_takedown(&(dev_priv->agp_heap));
+
+#if defined(DRI2)
+ if (dev_priv->sarea_kmap.virtual) {
+ drm_bo_kunmap(&dev_priv->sarea_kmap);
+ dev_priv->sarea_kmap.virtual = NULL;
+ dev->control->master->lock.hw_lock = NULL;
+ dev->sigdata.lock = NULL;
+ }
+
+ if (dev_priv->sarea_bo) {
+ mutex_lock(&dev->struct_mutex);
+ drm_bo_usage_deref_locked(&dev_priv->sarea_bo);
+ mutex_unlock(&dev->struct_mutex);
+ dev_priv->sarea_bo = NULL;
+ }
+#endif
+
+ i915_dma_cleanup(dev);
+}
+
+int i915_driver_firstopen(struct drm_device *dev)
+{
+ if (drm_core_check_feature(dev, DRIVER_MODESET))
+ return 0;
+ return 0;
+}
irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
{
struct drm_device *dev = (struct drm_device *) arg;
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ struct drm_i915_master_private *master_priv;
+ struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private;
u32 iir;
- u32 pipea_stats = 0, pipeb_stats = 0;
+ u32 pipea_stats = 0, pipeb_stats = 0, tvdac;
+ int hotplug = 0;
int vblank = 0;
-
+ #ifdef __linux__
if (dev->pdev->msi_enabled)
I915_WRITE(IMR, ~0);
+ #endif
iir = I915_READ(IIR);
-#if 0
- DRM_DEBUG("flag=%08x\n", iir);
-#endif
atomic_inc(&dev_priv->irq_received);
if (iir == 0) {
+ #ifdef __linux__
if (dev->pdev->msi_enabled) {
I915_WRITE(IMR, dev_priv->irq_mask_reg);
(void) I915_READ(IMR);
*/
if (iir & I915_DISPLAY_PIPE_A_EVENT_INTERRUPT) {
pipea_stats = I915_READ(PIPEASTAT);
- if (pipea_stats & (PIPE_START_VBLANK_INTERRUPT_STATUS|
- PIPE_VBLANK_INTERRUPT_STATUS))
- {
- vblank++;
- drm_handle_vblank(dev, i915_get_plane(dev, 0));
- }
I915_WRITE(PIPEASTAT, pipea_stats);
}
+
if (iir & I915_DISPLAY_PIPE_B_EVENT_INTERRUPT) {
pipeb_stats = I915_READ(PIPEBSTAT);
- /* Ack the event */
I915_WRITE(PIPEBSTAT, pipeb_stats);
+ }
- /* The vblank interrupt gets enabled even if we didn't ask for
- it, so make sure it's shut down again */
- if (!(dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_B))
- pipeb_stats &= ~(I915_VBLANK_INTERRUPT_ENABLE);
-
- if (pipeb_stats & (PIPE_START_VBLANK_INTERRUPT_STATUS|
- PIPE_VBLANK_INTERRUPT_STATUS))
- {
- vblank++;
- drm_handle_vblank(dev, i915_get_plane(dev, 1));
- }
-
+ I915_WRITE(IIR, iir);
+ #ifdef __linux__
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,25)
- if (pipeb_stats & I915_LEGACY_BLC_EVENT_ENABLE)
- opregion_asle_intr(dev);
-#endif
+ if (dev->pdev->msi_enabled)
+ I915_WRITE(IMR, dev_priv->irq_mask_reg);
+ #endif
- I915_WRITE(PIPEBSTAT, pipeb_stats);
++
+ (void) I915_READ(IIR); /* Flush posted writes */
+
+ /* This is a global event, and not a pipe A event */
+ if (pipea_stats & PIPE_HOTPLUG_INTERRUPT_STATUS)
+ hotplug = 1;
+
+ if (pipea_stats & PIPE_HOTPLUG_TV_INTERRUPT_STATUS) {
+ hotplug = 1;
+ /* Toggle hotplug detection to clear hotplug status */
+ tvdac = I915_READ(TV_DAC);
+ I915_WRITE(TV_DAC, tvdac & ~TVDAC_STATE_CHG_EN);
+ I915_WRITE(TV_DAC, tvdac | TVDAC_STATE_CHG_EN);
+ }
+
+ if (dev->primary->master) {
+ master_priv = dev->primary->master->driver_priv;
+ master_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
}
#ifdef __linux__
#endif
#endif
- if (dev_priv->sarea_priv)
- dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
-
- I915_WRITE(IIR, iir);
-#ifdef __linux__
- if (dev->pdev->msi_enabled)
- I915_WRITE(IMR, dev_priv->irq_mask_reg);
-#endif
- (void) I915_READ(IIR); /* Flush posted writes */
-
if (iir & I915_USER_INTERRUPT) {
+ #ifdef I915_HAVE_GEM
dev_priv->mm.irq_gem_seqno = i915_get_gem_seqno(dev);
+ #endif
DRM_WAKEUP(&dev_priv->irq_queue);
-#ifdef I915_HAVE_FENCE
- i915_fence_handler(dev);
-#endif
+ }
+
+ if (pipea_stats & (PIPE_START_VBLANK_INTERRUPT_STATUS|
+ PIPE_VBLANK_INTERRUPT_STATUS)) {
+ vblank++;
+ drm_handle_vblank(dev, i915_get_plane(dev, 0));
+ }
+
+ /* The vblank interrupt gets enabled even if we didn't ask for
+ it, so make sure it's shut down again */
+ if (!(dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_B))
+ pipeb_stats &= ~(I915_VBLANK_INTERRUPT_ENABLE);
+
+ if (pipeb_stats & (PIPE_START_VBLANK_INTERRUPT_STATUS|
+ PIPE_VBLANK_INTERRUPT_STATUS)) {
+ vblank++;
+ drm_handle_vblank(dev, i915_get_plane(dev, 1));
}
if (vblank) {
i915_enable_irq(dev_priv, I915_USER_INTERRUPT);
DRM_SPINUNLOCK(&dev_priv->user_irq_lock);
}
-
-void i915_user_irq_off(drm_i915_private_t *dev_priv)
+
+void i915_user_irq_off(struct drm_device *dev)
{
+ struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private;
+
DRM_SPINLOCK(&dev_priv->user_irq_lock);
+ #ifdef __linux__
BUG_ON(dev_priv->irq_enabled && dev_priv->user_irq_refcount <= 0);
+ #endif
if (dev_priv->irq_enabled && (--dev_priv->user_irq_refcount == 0))
i915_disable_irq(dev_priv, I915_USER_INTERRUPT);
DRM_SPINUNLOCK(&dev_priv->user_irq_lock);
int i915_driver_irq_postinstall(struct drm_device * dev)
{
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ struct drm_i915_private *dev_priv = dev->dev_private;
int ret, num_pipes = 2;
- DRM_SPININIT(&dev_priv->swaps_lock, "swap");
INIT_LIST_HEAD(&dev_priv->vbl_swaps.head);
dev_priv->swaps_pending = 0;
projects / platform / upstream / libdrm.git / commitdiff