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author | 2012-03-22 13:08:22 -0700 | |
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committer | 2012-03-22 13:08:22 -0700 | |
commit | be53bfdb8088e9d1924199cc1a96e113756b1075 (patch) | |
tree | 8c65eb9d82ca4c0f11c17cfdc44d5263820b415b /drivers/gpu/drm/exynos/exynos_drm_core.c | |
parent | Merge tag 'sound-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound (diff) | |
parent | drm/i915: use DDC_ADDR instead of hard-coding it (diff) | |
download | linux-dev-be53bfdb8088e9d1924199cc1a96e113756b1075.tar.xz linux-dev-be53bfdb8088e9d1924199cc1a96e113756b1075.zip |
Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pull drm main changes from Dave Airlie:
"This is the main drm pull request, I'm probably going to send two more
smaller ones, will explain below.
This contains a patch that is also in the fbdev tree, but it should be
the same patch, it added an API for hot unplugging framebuffer
devices, and I need that API for a new driver.
It also contains some changes to the i2c tree which Jean has acked,
and one change to moorestown platform stuff in x86.
Highlights:
- new drivers: UDL driver for USB displaylink devices, kms only,
should support correct hotplug operations.
- core: i2c speedups + better hotplug support, EDID overriding via
firmware interface - allows user to load a firmware for a broken
monitor/kvm from userspace, it even has documentation for it.
- exynos: new HDMI audio + hdmi 1.4 + virtual output driver
- gma500: code cleanup
- radeon: cleanups, CS optimisations, streamout support and pageflip
fix
- nouveau: NVD9 displayport support + more reclocking work
- i915: re-enabling GMBUS, finish gpu patch (might help hibernation
who knows), missed irq fixes, stencil tiling fixes, interlaced
support, aliasesd PPGTT support for SNB/IVB, swizzling for SNB/IVB,
semaphore fixes
As well as the usual bunch of cleanups and fixes all over the place.
I've got two things I'd like to merge a bit later:
a) AMD support for all their new radeonhd 7000 series GPU and APUs.
AMD dropped this a bit late due to insane internal review
processes, (please AMD just follow Intel and let open source guys
ship stuff early) however I don't want to penalise people who own
this hardware (since its been on sale for 3-4 months and GPU hw
doesn't exactly have a lifetime in years) and consign them to
using closed drivers for longer than necessary. The changes are
well contained and just plug into the driver new gpu functionality
so they should be fairly regression proof. I just want to give
them a bit of a run on the hw AMD kindly sent me.
b) drm prime/dma-buf interface code. This is just infrastructure
code to expose the dma-buf stuff to drm drivers and to userspace.
I'm not planning on pushing any driver support in this cycle
(except maybe exynos), but I'd like to get the infrastructure code
in so for the next cycle I can start getting the driver support
into the individual drivers. We have started driver support for
i915, nouveau and udl along with I think exynos and omap in
staging. However this code relies on the dma-buf tree being
pulled into your tree first since it needs the latest interfaces
from that tree. I'll push to get that tree sent asap.
(oh and any warnings you see in i915 are gcc's fault from what anyone
can see)."
Fix up trivial conflicts in arch/x86/platform/mrst/mrst.c due to the new
msic_thermal_platform_data() thermal function being added next to the
tc35876x_platform_data() i2c device function..
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (326 commits)
drm/i915: use DDC_ADDR instead of hard-coding it
drm/radeon: use DDC_ADDR instead of hard-coding it
drm: remove unneeded redefinition of DDC_ADDR
drm/exynos: added virtual display driver.
drm: allow loading an EDID as firmware to override broken monitor
drm/exynos: enable hdmi audio feature
drm/exynos: add default pixel format for plane
drm/exynos: cleanup exynos_hdmi.h
drm/exynos: add is_local member in exynos_drm_subdrv struct
drm/exynos: add subdrv open/close functions
drm/exynos: remove module of exynos drm subdrv
drm/exynos: release pending pageflip events when closed
drm/exynos: added new funtion to get/put dma address.
drm/exynos: update gem and buffer framework.
drm/exynos: added mode_fixup feature and code clean.
drm/exynos: add HDMI version 1.4 support
drm/exynos: remove exynos_mixer.h
gma500: Fix mmap frambuffer
drm/radeon: Drop radeon_gem_object_(un)pin.
drm/radeon: Restrict offset for legacy display engine.
...
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_core.c')
-rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_core.c | 140 |
1 files changed, 40 insertions, 100 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_core.c b/drivers/gpu/drm/exynos/exynos_drm_core.c index d08a55896d50..411832e8e17a 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_core.c +++ b/drivers/gpu/drm/exynos/exynos_drm_core.c @@ -32,7 +32,6 @@ #include "exynos_drm_connector.h" #include "exynos_drm_fbdev.h" -static DEFINE_MUTEX(exynos_drm_mutex); static LIST_HEAD(exynos_drm_subdrv_list); static struct drm_device *drm_dev; @@ -60,6 +59,9 @@ static int exynos_drm_subdrv_probe(struct drm_device *dev, return ret; } + if (subdrv->is_local) + return 0; + /* create and initialize a encoder for this sub driver. */ encoder = exynos_drm_encoder_create(dev, &subdrv->manager, (1 << MAX_CRTC) - 1); @@ -116,13 +118,10 @@ int exynos_drm_device_register(struct drm_device *dev) if (!dev) return -EINVAL; - if (drm_dev) { - DRM_ERROR("Already drm device were registered\n"); - return -EBUSY; - } + drm_dev = dev; - mutex_lock(&exynos_drm_mutex); list_for_each_entry_safe(subdrv, n, &exynos_drm_subdrv_list, list) { + subdrv->drm_dev = dev; err = exynos_drm_subdrv_probe(dev, subdrv); if (err) { DRM_DEBUG("exynos drm subdrv probe failed.\n"); @@ -130,9 +129,6 @@ int exynos_drm_device_register(struct drm_device *dev) } } - drm_dev = dev; - mutex_unlock(&exynos_drm_mutex); - return 0; } EXPORT_SYMBOL_GPL(exynos_drm_device_register); @@ -143,86 +139,28 @@ int exynos_drm_device_unregister(struct drm_device *dev) DRM_DEBUG_DRIVER("%s\n", __FILE__); - if (!dev || dev != drm_dev) { + if (!dev) { WARN(1, "Unexpected drm device unregister!\n"); return -EINVAL; } - mutex_lock(&exynos_drm_mutex); list_for_each_entry(subdrv, &exynos_drm_subdrv_list, list) exynos_drm_subdrv_remove(dev, subdrv); drm_dev = NULL; - mutex_unlock(&exynos_drm_mutex); return 0; } EXPORT_SYMBOL_GPL(exynos_drm_device_unregister); -static int exynos_drm_mode_group_reinit(struct drm_device *dev) -{ - struct drm_mode_group *group = &dev->primary->mode_group; - uint32_t *id_list = group->id_list; - int ret; - - DRM_DEBUG_DRIVER("%s\n", __FILE__); - - ret = drm_mode_group_init_legacy_group(dev, group); - if (ret < 0) - return ret; - - kfree(id_list); - return 0; -} - int exynos_drm_subdrv_register(struct exynos_drm_subdrv *subdrv) { - int err; - DRM_DEBUG_DRIVER("%s\n", __FILE__); if (!subdrv) return -EINVAL; - mutex_lock(&exynos_drm_mutex); - if (drm_dev) { - err = exynos_drm_subdrv_probe(drm_dev, subdrv); - if (err) { - DRM_ERROR("failed to probe exynos drm subdrv\n"); - mutex_unlock(&exynos_drm_mutex); - return err; - } - - /* setup possible_clones. */ - exynos_drm_encoder_setup(drm_dev); - - /* - * if any specific driver such as fimd or hdmi driver called - * exynos_drm_subdrv_register() later than drm_load(), - * the fb helper should be re-initialized and re-configured. - */ - err = exynos_drm_fbdev_reinit(drm_dev); - if (err) { - DRM_ERROR("failed to reinitialize exynos drm fbdev\n"); - exynos_drm_subdrv_remove(drm_dev, subdrv); - mutex_unlock(&exynos_drm_mutex); - return err; - } - - err = exynos_drm_mode_group_reinit(drm_dev); - if (err) { - DRM_ERROR("failed to reinitialize mode group\n"); - exynos_drm_fbdev_fini(drm_dev); - exynos_drm_subdrv_remove(drm_dev, subdrv); - mutex_unlock(&exynos_drm_mutex); - return err; - } - } - - subdrv->drm_dev = drm_dev; - list_add_tail(&subdrv->list, &exynos_drm_subdrv_list); - mutex_unlock(&exynos_drm_mutex); return 0; } @@ -230,46 +168,48 @@ EXPORT_SYMBOL_GPL(exynos_drm_subdrv_register); int exynos_drm_subdrv_unregister(struct exynos_drm_subdrv *subdrv) { - int ret = -EFAULT; - DRM_DEBUG_DRIVER("%s\n", __FILE__); - if (!subdrv) { - DRM_DEBUG("Unexpected exynos drm subdrv unregister!\n"); - return ret; - } + if (!subdrv) + return -EINVAL; - mutex_lock(&exynos_drm_mutex); - if (drm_dev) { - exynos_drm_subdrv_remove(drm_dev, subdrv); - list_del(&subdrv->list); + list_del(&subdrv->list); - /* - * fb helper should be updated once a sub driver is released - * to re-configure crtc and connector and also to re-setup - * drm framebuffer. - */ - ret = exynos_drm_fbdev_reinit(drm_dev); - if (ret < 0) { - DRM_ERROR("failed fb helper reinit.\n"); - goto fail; - } + return 0; +} +EXPORT_SYMBOL_GPL(exynos_drm_subdrv_unregister); - ret = exynos_drm_mode_group_reinit(drm_dev); - if (ret < 0) { - DRM_ERROR("failed drm mode group reinit.\n"); - goto fail; +int exynos_drm_subdrv_open(struct drm_device *dev, struct drm_file *file) +{ + struct exynos_drm_subdrv *subdrv; + int ret; + + list_for_each_entry(subdrv, &exynos_drm_subdrv_list, list) { + if (subdrv->open) { + ret = subdrv->open(dev, subdrv->manager.dev, file); + if (ret) + goto err; } } -fail: - mutex_unlock(&exynos_drm_mutex); + return 0; + +err: + list_for_each_entry_reverse(subdrv, &subdrv->list, list) { + if (subdrv->close) + subdrv->close(dev, subdrv->manager.dev, file); + } return ret; } -EXPORT_SYMBOL_GPL(exynos_drm_subdrv_unregister); +EXPORT_SYMBOL_GPL(exynos_drm_subdrv_open); + +void exynos_drm_subdrv_close(struct drm_device *dev, struct drm_file *file) +{ + struct exynos_drm_subdrv *subdrv; -MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>"); -MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>"); -MODULE_AUTHOR("Seung-Woo Kim <sw0312.kim@samsung.com>"); -MODULE_DESCRIPTION("Samsung SoC DRM Core Driver"); -MODULE_LICENSE("GPL"); + list_for_each_entry(subdrv, &exynos_drm_subdrv_list, list) { + if (subdrv->close) + subdrv->close(dev, subdrv->manager.dev, file); + } +} +EXPORT_SYMBOL_GPL(exynos_drm_subdrv_close); |