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author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-15 05:19:54 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-15 05:19:54 (GMT) |
commit | 049ffa8ab33a63b3bff672d1a0ee6a35ad253fe8 (patch) | |
tree | 70f4c684818b1c9871fa800088427e40d260592e /drivers/gpu/drm/drm_fops.c | |
parent | c681427e5ca22925fcc1be76a2e260a11e0a8498 (diff) | |
parent | 0846c728e20a0cd1e43fb75a3015f3b176a26466 (diff) | |
download | linux-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.c | 77 |
1 files changed, 71 insertions, 6 deletions
diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c index 22d14ec..c5b929c 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", |