diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-12 11:32:30 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-12 11:32:30 -0700 |
commit | 682b7c1c8ea8885aa681ddf530d6cf2ad4f2dc15 (patch) | |
tree | 882003bb4fc56af816246168f8c85d6dde8c6ed9 /drivers/gpu/drm/drm_ioctl.c | |
parent | 16b9057804c02e2d351e9c8f606e909b43cbd9e7 (diff) | |
parent | bc1dfff04a5d4064ba0db1fab13f84ab4f333d2b (diff) |
Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie:
"This is the main drm merge window pull request, changes all over the
place, mostly normal levels of churn.
Highlights:
Core drm:
More cleanups, fix race on connector/encoder naming, docs updates,
object locking rework in prep for atomic modeset
i915:
mipi DSI support, valleyview power fixes, cursor size fixes,
execlist refactoring, vblank improvements, userptr support, OOM
handling improvements
radeon:
GPUVM tuning and large page size support, gart fixes, deep color
HDMI support, HDMI audio cleanups
nouveau:
- displayport rework should fix lots of issues
- initial gk20a support
- gk110b support
- gk208 fixes
exynos:
probe order fixes, HDMI changes, IPP consolidation
msm:
debugfs updates, misc fixes
ast:
ast2400 support, sync with UMS driver
tegra:
cleanups, hdmi + hw cursor for Tegra 124.
panel:
fixes existing panels add some new ones.
ipuv3:
moved from staging to drivers/gpu"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (761 commits)
drm/nouveau/disp/dp: fix tmds passthrough on dp connector
drm/nouveau/dp: probe dpcd to determine connectedness
drm/nv50-: trigger update after all connectors disabled
drm/nv50-: prepare for attaching a SOR to multiple heads
drm/gf119-/disp: fix debug output on update failure
drm/nouveau/disp/dp: make use of postcursor when its available
drm/g94-/disp/dp: take max pullup value across all lanes
drm/nouveau/bios/dp: parse lane postcursor data
drm/nouveau/dp: fix support for dpms
drm/nouveau: register a drm_dp_aux channel for each dp connector
drm/g94-/disp: add method to power-off dp lanes
drm/nouveau/disp/dp: maintain link in response to hpd signal
drm/g94-/disp: bash and wait for something after changing lane power regs
drm/nouveau/disp/dp: split link config/power into two steps
drm/nv50/disp: train PIOR-attached DP from second supervisor
drm/nouveau/disp/dp: make use of existing output data for link training
drm/gf119/disp: start removing direct vbios parsing from supervisor
drm/nv50/disp: start removing direct vbios parsing from supervisor
drm/nouveau/disp/dp: maintain receiver caps in response to hpd signal
drm/nouveau/disp/dp: create subclass for dp outputs
...
Diffstat (limited to 'drivers/gpu/drm/drm_ioctl.c')
-rw-r--r-- | drivers/gpu/drm/drm_ioctl.c | 37 |
1 files changed, 25 insertions, 12 deletions
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c index 93a42040bedb..69c61f392e66 100644 --- a/drivers/gpu/drm/drm_ioctl.c +++ b/drivers/gpu/drm/drm_ioctl.c @@ -72,9 +72,6 @@ static void drm_unset_busid(struct drm_device *dev, struct drm_master *master) { - kfree(dev->devname); - dev->devname = NULL; - kfree(master->unique); master->unique = NULL; master->unique_len = 0; @@ -93,7 +90,8 @@ drm_unset_busid(struct drm_device *dev, * Copies the bus id from userspace into drm_device::unique, and verifies that * it matches the device this DRM is attached to (EINVAL otherwise). Deprecated * in interface version 1.1 and will return EBUSY when setversion has requested - * version 1.1 or greater. + * version 1.1 or greater. Also note that KMS is all version 1.1 and later and + * UMS was only ever supported on pci devices. */ int drm_setunique(struct drm_device *dev, void *data, struct drm_file *file_priv) @@ -108,10 +106,13 @@ int drm_setunique(struct drm_device *dev, void *data, if (!u->unique_len || u->unique_len > 1024) return -EINVAL; - if (!dev->driver->bus->set_unique) + if (drm_core_check_feature(dev, DRIVER_MODESET)) + return 0; + + if (WARN_ON(!dev->pdev)) return -EINVAL; - ret = dev->driver->bus->set_unique(dev, master, u); + ret = drm_pci_set_unique(dev, master, u); if (ret) goto err; @@ -130,13 +131,25 @@ static int drm_set_busid(struct drm_device *dev, struct drm_file *file_priv) if (master->unique != NULL) drm_unset_busid(dev, master); - ret = dev->driver->bus->set_busid(dev, master); - if (ret) - goto err; + if (dev->driver->bus && dev->driver->bus->set_busid) { + ret = dev->driver->bus->set_busid(dev, master); + if (ret) { + drm_unset_busid(dev, master); + return ret; + } + } else { + if (WARN(dev->unique == NULL, + "No drm_bus.set_busid() implementation provided by " + "%ps. Use drm_dev_set_unique() to set the unique " + "name explicitly.", dev->driver)) + return -EINVAL; + + master->unique = kstrdup(dev->unique, GFP_KERNEL); + if (master->unique) + master->unique_len = strlen(dev->unique); + } + return 0; -err: - drm_unset_busid(dev, master); - return ret; } /** |