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authorLinus Torvalds <torvalds@linux-foundation.org>2013-11-15 09:19:54 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2013-11-15 09:19:54 +0400
commit049ffa8ab33a63b3bff672d1a0ee6a35ad253fe8 (patch)
tree70f4c684818b1c9871fa800088427e40d260592e /drivers/gpu/drm/drm_fops.c
parentc681427e5ca22925fcc1be76a2e260a11e0a8498 (diff)
parent0846c728e20a0cd1e43fb75a3015f3b176a26466 (diff)
downloadlinux-049ffa8ab33a63b3bff672d1a0ee6a35ad253fe8.tar.xz
Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie: "This is a combo of -next and some -fixes that came in in the intervening time. Highlights: New drivers: ARM Armada driver for Marvell Armada 510 SOCs Intel: Broadwell initial support under a default off switch, Stereo/3D HDMI mode support Valleyview improvements Displayport improvements Haswell fixes initial mipi dsi panel support CRC support for debugging build with CONFIG_FB=n Radeon: enable DPM on a number of GPUs by default secondary GPU powerdown support enable HDMI audio by default Hawaii support Nouveau: dynamic pm code infrastructure reworked, does nothing major yet GK208 modesetting support MSI fixes, on by default again PMPEG improvements pageflipping fixes GMA500: minnowboard SDVO support VMware: misc fixes MSM: prime, plane and rendernodes support Tegra: rearchitected to put the drm driver into the drm subsystem. HDMI and gr2d support for tegra 114 SoC QXL: oops fix, and multi-head fixes DRM core: sysfs lifetime fixes client capability ioctl further cleanups to device midlayer more vblank timestamp fixes" * 'drm-next' of git://people.freedesktop.org/~airlied/linux: (789 commits) drm/nouveau: do not map evicted vram buffers in nouveau_bo_vma_add drm/nvc0-/gr: shift wrapping bug in nvc0_grctx_generate_r406800 drm/nouveau/pwr: fix missing mutex unlock in a failure path drm/nv40/therm: fix slowing down fan when pstate undefined drm/nv11-: synchronise flips to vblank, unless async flip requested drm/nvc0-: remove nasty fifo swmthd hack for flip completion method drm/nv10-: we no longer need to create nvsw object on user channels drm/nouveau: always queue flips relative to kernel channel activity drm/nouveau: there is no need to reserve/fence the new fb when flipping drm/nouveau: when bailing out of a pushbuf ioctl, do not remove previous fence drm/nouveau: allow nouveau_fence_ref() to be a noop drm/nvc8/mc: msi rearm is via the nvc0 method drm/ttm: Fix vma page_prot bit manipulation drm/vmwgfx: Fix a couple of compile / sparse warnings and errors drm/vmwgfx: Resource evict fixes drm/edid: compare actual vrefresh for all modes for quirks drm: shmob_drm: Convert to clk_prepare/unprepare drm/nouveau: fix 32-bit build drm/i915/opregion: fix build error on CONFIG_ACPI=n Revert "drm/radeon/audio: don't set speaker allocation on DCE4+" ...
Diffstat (limited to 'drivers/gpu/drm/drm_fops.c')
-rw-r--r--drivers/gpu/drm/drm_fops.c77
1 files changed, 71 insertions, 6 deletions
diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
index 22d14ecbd3ec..c5b929c3f77a 100644
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -113,7 +113,6 @@ int drm_open(struct inode *inode, struct file *filp)
retcode = drm_open_helper(inode, filp, dev);
if (retcode)
goto err_undo;
- atomic_inc(&dev->counts[_DRM_STAT_OPENS]);
if (need_setup) {
retcode = drm_setup(dev);
if (retcode)
@@ -235,7 +234,8 @@ static int drm_open_helper(struct inode *inode, struct file *filp,
priv->ioctl_count = 0;
/* for compatibility root is always authenticated */
- priv->authenticated = capable(CAP_SYS_ADMIN);
+ priv->always_authenticated = capable(CAP_SYS_ADMIN);
+ priv->authenticated = priv->always_authenticated;
priv->lock_count = 0;
INIT_LIST_HEAD(&priv->lhead);
@@ -374,13 +374,80 @@ static void drm_events_release(struct drm_file *file_priv)
}
/* Remove unconsumed events */
- list_for_each_entry_safe(e, et, &file_priv->event_list, link)
+ list_for_each_entry_safe(e, et, &file_priv->event_list, link) {
+ list_del(&e->link);
e->destroy(e);
+ }
spin_unlock_irqrestore(&dev->event_lock, flags);
}
/**
+ * drm_legacy_dev_reinit
+ *
+ * Reinitializes a legacy/ums drm device in it's lastclose function.
+ */
+static void drm_legacy_dev_reinit(struct drm_device *dev)
+{
+ if (drm_core_check_feature(dev, DRIVER_MODESET))
+ return;
+
+ atomic_set(&dev->ioctl_count, 0);
+ atomic_set(&dev->vma_count, 0);
+
+ dev->sigdata.lock = NULL;
+
+ dev->context_flag = 0;
+ dev->last_context = 0;
+ dev->if_version = 0;
+}
+
+/**
+ * Take down the DRM device.
+ *
+ * \param dev DRM device structure.
+ *
+ * Frees every resource in \p dev.
+ *
+ * \sa drm_device
+ */
+int drm_lastclose(struct drm_device * dev)
+{
+ struct drm_vma_entry *vma, *vma_temp;
+
+ DRM_DEBUG("\n");
+
+ if (dev->driver->lastclose)
+ dev->driver->lastclose(dev);
+ DRM_DEBUG("driver lastclose completed\n");
+
+ if (dev->irq_enabled && !drm_core_check_feature(dev, DRIVER_MODESET))
+ drm_irq_uninstall(dev);
+
+ mutex_lock(&dev->struct_mutex);
+
+ drm_agp_clear(dev);
+
+ drm_legacy_sg_cleanup(dev);
+
+ /* Clear vma list (only built for debugging) */
+ list_for_each_entry_safe(vma, vma_temp, &dev->vmalist, head) {
+ list_del(&vma->head);
+ kfree(vma);
+ }
+
+ drm_legacy_dma_takedown(dev);
+
+ dev->dev_mapping = NULL;
+ mutex_unlock(&dev->struct_mutex);
+
+ drm_legacy_dev_reinit(dev);
+
+ DRM_DEBUG("lastclose completed\n");
+ return 0;
+}
+
+/**
* Release file.
*
* \param inode device inode
@@ -449,7 +516,6 @@ int drm_release(struct inode *inode, struct file *filp)
list_del(&pos->head);
kfree(pos);
- --dev->ctx_count;
}
}
}
@@ -463,7 +529,7 @@ int drm_release(struct inode *inode, struct file *filp)
list_for_each_entry(temp, &dev->filelist, lhead) {
if ((temp->master == file_priv->master) &&
(temp != file_priv))
- temp->authenticated = 0;
+ temp->authenticated = temp->always_authenticated;
}
/**
@@ -511,7 +577,6 @@ int drm_release(struct inode *inode, struct file *filp)
* End inline drm_release
*/
- atomic_inc(&dev->counts[_DRM_STAT_CLOSES]);
if (!--dev->open_count) {
if (atomic_read(&dev->ioctl_count)) {
DRM_ERROR("Device busy: %d\n",