#include "drm_pciids.h"
#include <linux/console.h>
+#include "drm_crtc_helper.h"
-static unsigned int i915_modeset = -1;
+static int i915_modeset = -1;
module_param_named(modeset, i915_modeset, int, 0400);
unsigned int i915_fbpercrtc = 0;
module_param_named(fbpercrtc, i915_fbpercrtc, int, 0400);
+unsigned int i915_powersave = 1;
+module_param_named(powersave, i915_powersave, int, 0400);
+
+static struct drm_driver driver;
+
static struct pci_device_id pciidlist[] = {
i915_PCI_IDS
};
struct drm_i915_private *dev_priv = dev->dev_private;
if (!dev || !dev_priv) {
- printk(KERN_ERR "dev: %p, dev_priv: %p\n", dev, dev_priv);
- printk(KERN_ERR "DRM not initialized, aborting suspend.\n");
+ DRM_ERROR("dev: %p, dev_priv: %p\n", dev, dev_priv);
+ DRM_ERROR("DRM not initialized, aborting suspend.\n");
return -ENODEV;
}
pci_save_state(dev->pdev);
- i915_save_state(dev);
-
/* If KMS is active, we do the leavevt stuff here */
- if (drm_core_check_feature(dev, DRIVER_MODESET) && i915_gem_idle(dev)) {
- dev_err(&dev->pdev->dev, "GEM idle failed, aborting suspend\n");
- return -EBUSY;
+ if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+ if (i915_gem_idle(dev))
+ dev_err(&dev->pdev->dev,
+ "GEM idle failed, resume may fail\n");
+ drm_irq_uninstall(dev);
}
- intel_opregion_free(dev);
+ i915_save_state(dev);
+
+ intel_opregion_free(dev, 1);
if (state.event == PM_EVENT_SUSPEND) {
/* Shut down the device */
pci_set_power_state(dev->pdev, PCI_D3hot);
}
+ dev_priv->suspended = 1;
+
return 0;
}
i915_restore_state(dev);
- intel_opregion_init(dev);
+ intel_opregion_init(dev, 1);
/* KMS EnterVT equivalent */
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
if (ret != 0)
ret = -1;
mutex_unlock(&dev->struct_mutex);
+
+ drm_irq_install(dev);
+ }
+ if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+ /* Resume the modeset for every activated CRTC */
+ drm_helper_resume_force_mode(dev);
}
+ dev_priv->suspended = 0;
+
return ret;
}
+/**
+ * i965_reset - reset chip after a hang
+ * @dev: drm device to reset
+ * @flags: reset domains
+ *
+ * Reset the chip. Useful if a hang is detected. Returns zero on successful
+ * reset or otherwise an error code.
+ *
+ * Procedure is fairly simple:
+ * - reset the chip using the reset reg
+ * - re-init context state
+ * - re-init hardware status page
+ * - re-init ring buffer
+ * - re-init interrupt state
+ * - re-init display
+ */
+int i965_reset(struct drm_device *dev, u8 flags)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ unsigned long timeout;
+ u8 gdrst;
+ /*
+ * We really should only reset the display subsystem if we actually
+ * need to
+ */
+ bool need_display = true;
+
+ mutex_lock(&dev->struct_mutex);
+
+ /*
+ * Clear request list
+ */
+ i915_gem_retire_requests(dev);
+
+ if (need_display)
+ i915_save_display(dev);
+
+ if (IS_I965G(dev) || IS_G4X(dev)) {
+ /*
+ * Set the domains we want to reset, then the reset bit (bit 0).
+ * Clear the reset bit after a while and wait for hardware status
+ * bit (bit 1) to be set
+ */
+ pci_read_config_byte(dev->pdev, GDRST, &gdrst);
+ pci_write_config_byte(dev->pdev, GDRST, gdrst | flags | ((flags == GDRST_FULL) ? 0x1 : 0x0));
+ udelay(50);
+ pci_write_config_byte(dev->pdev, GDRST, gdrst & 0xfe);
+
+ /* ...we don't want to loop forever though, 500ms should be plenty */
+ timeout = jiffies + msecs_to_jiffies(500);
+ do {
+ udelay(100);
+ pci_read_config_byte(dev->pdev, GDRST, &gdrst);
+ } while ((gdrst & 0x1) && time_after(timeout, jiffies));
+
+ if (gdrst & 0x1) {
+ WARN(true, "i915: Failed to reset chip\n");
+ mutex_unlock(&dev->struct_mutex);
+ return -EIO;
+ }
+ } else {
+ DRM_ERROR("Error occurred. Don't know how to reset this chip.\n");
+ return -ENODEV;
+ }
+
+ /* Ok, now get things going again... */
+
+ /*
+ * Everything depends on having the GTT running, so we need to start
+ * there. Fortunately we don't need to do this unless we reset the
+ * chip at a PCI level.
+ *
+ * Next we need to restore the context, but we don't use those
+ * yet either...
+ *
+ * Ring buffer needs to be re-initialized in the KMS case, or if X
+ * was running at the time of the reset (i.e. we weren't VT
+ * switched away).
+ */
+ if (drm_core_check_feature(dev, DRIVER_MODESET) ||
+ !dev_priv->mm.suspended) {
+ drm_i915_ring_buffer_t *ring = &dev_priv->ring;
+ struct drm_gem_object *obj = ring->ring_obj;
+ struct drm_i915_gem_object *obj_priv = obj->driver_private;
+ dev_priv->mm.suspended = 0;
+
+ /* Stop the ring if it's running. */
+ I915_WRITE(PRB0_CTL, 0);
+ I915_WRITE(PRB0_TAIL, 0);
+ I915_WRITE(PRB0_HEAD, 0);
+
+ /* Initialize the ring. */
+ I915_WRITE(PRB0_START, obj_priv->gtt_offset);
+ I915_WRITE(PRB0_CTL,
+ ((obj->size - 4096) & RING_NR_PAGES) |
+ RING_NO_REPORT |
+ RING_VALID);
+ if (!drm_core_check_feature(dev, DRIVER_MODESET))
+ i915_kernel_lost_context(dev);
+ else {
+ ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
+ ring->tail = I915_READ(PRB0_TAIL) & TAIL_ADDR;
+ ring->space = ring->head - (ring->tail + 8);
+ if (ring->space < 0)
+ ring->space += ring->Size;
+ }
+
+ mutex_unlock(&dev->struct_mutex);
+ drm_irq_uninstall(dev);
+ drm_irq_install(dev);
+ mutex_lock(&dev->struct_mutex);
+ }
+
+ /*
+ * Display needs restore too...
+ */
+ if (need_display)
+ i915_restore_display(dev);
+
+ mutex_unlock(&dev->struct_mutex);
+ return 0;
+}
+
+
+static int __devinit
+i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ return drm_get_dev(pdev, ent, &driver);
+}
+
+static void
+i915_pci_remove(struct pci_dev *pdev)
+{
+ struct drm_device *dev = pci_get_drvdata(pdev);
+
+ drm_put_dev(dev);
+}
+
+static int
+i915_pci_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ struct drm_device *dev = pci_get_drvdata(pdev);
+
+ return i915_suspend(dev, state);
+}
+
+static int
+i915_pci_resume(struct pci_dev *pdev)
+{
+ struct drm_device *dev = pci_get_drvdata(pdev);
+
+ return i915_resume(dev);
+}
+
static struct vm_operations_struct i915_gem_vm_ops = {
.fault = i915_gem_fault,
.open = drm_gem_vm_open,
.get_reg_ofs = drm_core_get_reg_ofs,
.master_create = i915_master_create,
.master_destroy = i915_master_destroy,
- .proc_init = i915_gem_proc_init,
- .proc_cleanup = i915_gem_proc_cleanup,
+#if defined(CONFIG_DEBUG_FS)
+ .debugfs_init = i915_debugfs_init,
+ .debugfs_cleanup = i915_debugfs_cleanup,
+#endif
.gem_init_object = i915_gem_init_object,
.gem_free_object = i915_gem_free_object,
.gem_vm_ops = &i915_gem_vm_ops,
.pci_driver = {
.name = DRIVER_NAME,
.id_table = pciidlist,
+ .probe = i915_pci_probe,
+ .remove = i915_pci_remove,
+#ifdef CONFIG_PM
+ .resume = i915_pci_resume,
+ .suspend = i915_pci_suspend,
+#endif
},
.name = DRIVER_NAME,
{
driver.num_ioctls = i915_max_ioctl;
+ i915_gem_shrinker_init();
+
/*
* If CONFIG_DRM_I915_KMS is set, default to KMS unless
* explicitly disabled with the module pararmeter.
static void __exit i915_exit(void)
{
+ i915_gem_shrinker_exit();
drm_exit(&driver);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff