diff options
author | Dave Airlie <airlied@redhat.com> | 2017-08-17 07:33:41 +1000 |
---|---|---|
committer | Dave Airlie <airlied@redhat.com> | 2017-08-17 07:33:41 +1000 |
commit | 3154b133711f70bb50f513773947a8a647d24310 (patch) | |
tree | be1284614bc52cec292ebc150d9983ca08af34cc /drivers/gpu | |
parent | efa479352fc780b305fa186cafb5f416fdf2b2cb (diff) | |
parent | d956e1293b9b43f3a9a508162cdbaa96cf02e6e0 (diff) |
Merge tag 'drm-misc-next-2017-08-16' of git://anongit.freedesktop.org/git/drm-misc into drm-next
UAPI Changes:
- vc4: Allow userspace to dictate rendering order in submit_cl ioctl (Eric)
Cross-subsystem Changes:
- vboxvideo: One of Cihangir's patches applies to vboxvideo which is maintained
in staging
Core Changes:
- atomic_legacy_backoff is officially killed (Daniel)
- Extract drm_device.h (Daniel)
- Unregister drm device on unplug (Daniel)
- Rename deprecated drm_*_(un)?reference functions to drm_*_{get|put} (Cihangir)
Driver Changes:
- vc4: Error/destroy path cleanups, log level demotion, edid leak (Eric)
- various: Make various drm_*_funcs structs const (Bhumika)
- tinydrm: add support for LEGO MINDSTORMS EV3 LCD (David)
- various: Second half of .dumb_{map_offset|destroy} defaults set (Noralf)
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Eric Anholt <eric@anholt.net>
Cc: Bhumika Goyal <bhumirks@gmail.com>
Cc: Cihangir Akturk <cakturk@gmail.com>
Cc: David Lechner <david@lechnology.com>
Cc: Noralf Trønnes <noralf@tronnes.org>
* tag 'drm-misc-next-2017-08-16' of git://anongit.freedesktop.org/git/drm-misc: (50 commits)
drm/gem-cma-helper: Remove drm_gem_cma_dumb_map_offset()
drm/virtio: Use the drm_driver.dumb_destroy default
drm/bochs: Use the drm_driver.dumb_destroy default
drm/mgag200: Use the drm_driver.dumb_destroy default
drm/exynos: Use .dumb_map_offset and .dumb_destroy defaults
drm/msm: Use the drm_driver.dumb_destroy default
drm/ast: Use the drm_driver.dumb_destroy default
drm/qxl: Use the drm_driver.dumb_destroy default
drm/udl: Use the drm_driver.dumb_destroy default
drm/cirrus: Use the drm_driver.dumb_destroy default
drm/tegra: Use .dumb_map_offset and .dumb_destroy defaults
drm/gma500: Use .dumb_map_offset and .dumb_destroy defaults
drm/mxsfb: Use .dumb_map_offset and .dumb_destroy defaults
drm/meson: Use .dumb_map_offset and .dumb_destroy defaults
drm/kirin: Use .dumb_map_offset and .dumb_destroy defaults
drm/vc4: Continue the switch to drm_*_put() helpers
drm/vc4: Fix leak of HDMI EDID
dma-buf: fix reservation_object_wait_timeout_rcu to wait correctly v2
dma-buf: add reservation_object_copy_fences (v2)
drm/tinydrm: add support for LEGO MINDSTORMS EV3 LCD
...
Diffstat (limited to 'drivers/gpu')
75 files changed, 721 insertions, 405 deletions
diff --git a/drivers/gpu/drm/arc/arcpgu_drv.c b/drivers/gpu/drm/arc/arcpgu_drv.c index e3c13aa202b8..289eda54e5aa 100644 --- a/drivers/gpu/drm/arc/arcpgu_drv.c +++ b/drivers/gpu/drm/arc/arcpgu_drv.c @@ -31,7 +31,7 @@ static void arcpgu_fb_output_poll_changed(struct drm_device *dev) drm_fbdev_cma_hotplug_event(arcpgu->fbdev); } -static struct drm_mode_config_funcs arcpgu_drm_modecfg_funcs = { +static const struct drm_mode_config_funcs arcpgu_drm_modecfg_funcs = { .fb_create = drm_fb_cma_create, .output_poll_changed = arcpgu_fb_output_poll_changed, .atomic_check = drm_atomic_helper_check, diff --git a/drivers/gpu/drm/ast/ast_drv.c b/drivers/gpu/drm/ast/ast_drv.c index 3022b39c00f3..69dab82a3771 100644 --- a/drivers/gpu/drm/ast/ast_drv.c +++ b/drivers/gpu/drm/ast/ast_drv.c @@ -209,7 +209,6 @@ static struct drm_driver driver = { .gem_free_object_unlocked = ast_gem_free_object, .dumb_create = ast_dumb_create, .dumb_map_offset = ast_dumb_mmap_offset, - .dumb_destroy = drm_gem_dumb_destroy, }; diff --git a/drivers/gpu/drm/ast/ast_fb.c b/drivers/gpu/drm/ast/ast_fb.c index 9052ebeae8d0..0cd827e11fa2 100644 --- a/drivers/gpu/drm/ast/ast_fb.c +++ b/drivers/gpu/drm/ast/ast_fb.c @@ -266,7 +266,7 @@ static void ast_fbdev_destroy(struct drm_device *dev, drm_fb_helper_unregister_fbi(&afbdev->helper); if (afb->obj) { - drm_gem_object_unreference_unlocked(afb->obj); + drm_gem_object_put_unlocked(afb->obj); afb->obj = NULL; } drm_fb_helper_fini(&afbdev->helper); diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c index 9a44cdec3bca..dac355812adc 100644 --- a/drivers/gpu/drm/ast/ast_main.c +++ b/drivers/gpu/drm/ast/ast_main.c @@ -387,7 +387,7 @@ static void ast_user_framebuffer_destroy(struct drm_framebuffer *fb) { struct ast_framebuffer *ast_fb = to_ast_framebuffer(fb); - drm_gem_object_unreference_unlocked(ast_fb->obj); + drm_gem_object_put_unlocked(ast_fb->obj); drm_framebuffer_cleanup(fb); kfree(ast_fb); } @@ -429,13 +429,13 @@ ast_user_framebuffer_create(struct drm_device *dev, ast_fb = kzalloc(sizeof(*ast_fb), GFP_KERNEL); if (!ast_fb) { - drm_gem_object_unreference_unlocked(obj); + drm_gem_object_put_unlocked(obj); return ERR_PTR(-ENOMEM); } ret = ast_framebuffer_init(dev, ast_fb, mode_cmd, obj); if (ret) { - drm_gem_object_unreference_unlocked(obj); + drm_gem_object_put_unlocked(obj); kfree(ast_fb); return ERR_PTR(ret); } @@ -628,7 +628,7 @@ int ast_dumb_create(struct drm_file *file, return ret; ret = drm_gem_handle_create(file, gobj, &handle); - drm_gem_object_unreference_unlocked(gobj); + drm_gem_object_put_unlocked(gobj); if (ret) return ret; @@ -676,7 +676,7 @@ ast_dumb_mmap_offset(struct drm_file *file, bo = gem_to_ast_bo(obj); *offset = ast_bo_mmap_offset(bo); - drm_gem_object_unreference_unlocked(obj); + drm_gem_object_put_unlocked(obj); return 0; diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c index 43245229f437..6f3849ec0c1d 100644 --- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -950,7 +950,7 @@ static void ast_cursor_fini(struct drm_device *dev) { struct ast_private *ast = dev->dev_private; ttm_bo_kunmap(&ast->cache_kmap); - drm_gem_object_unreference_unlocked(ast->cursor_cache); + drm_gem_object_put_unlocked(ast->cursor_cache); } int ast_mode_init(struct drm_device *dev) @@ -1215,10 +1215,10 @@ static int ast_cursor_set(struct drm_crtc *crtc, ast_show_cursor(crtc); - drm_gem_object_unreference_unlocked(obj); + drm_gem_object_put_unlocked(obj); return 0; fail: - drm_gem_object_unreference_unlocked(obj); + drm_gem_object_put_unlocked(obj); return ret; } diff --git a/drivers/gpu/drm/bochs/bochs_drv.c b/drivers/gpu/drm/bochs/bochs_drv.c index a1d28845da5f..7b20318483e4 100644 --- a/drivers/gpu/drm/bochs/bochs_drv.c +++ b/drivers/gpu/drm/bochs/bochs_drv.c @@ -93,7 +93,6 @@ static struct drm_driver bochs_driver = { .gem_free_object_unlocked = bochs_gem_free_object, .dumb_create = bochs_dumb_create, .dumb_map_offset = bochs_dumb_mmap_offset, - .dumb_destroy = drm_gem_dumb_destroy, }; /* ---------------------------------------------------------------------- */ diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c index 682c090fa3ed..b2431aee7887 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c @@ -785,7 +785,7 @@ adv7511_connector_detect(struct drm_connector *connector, bool force) return adv7511_detect(adv, connector); } -static struct drm_connector_funcs adv7511_connector_funcs = { +static const struct drm_connector_funcs adv7511_connector_funcs = { .fill_modes = drm_helper_probe_single_connector_modes, .detect = adv7511_connector_detect, .destroy = drm_connector_cleanup, @@ -856,7 +856,7 @@ static int adv7511_bridge_attach(struct drm_bridge *bridge) return ret; } -static struct drm_bridge_funcs adv7511_bridge_funcs = { +static const struct drm_bridge_funcs adv7511_bridge_funcs = { .enable = adv7511_bridge_enable, .disable = adv7511_bridge_disable, .mode_set = adv7511_bridge_mode_set, diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c index 8f2d1379c880..cf3f0caf9c63 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c @@ -517,7 +517,7 @@ static snd_pcm_uframes_t dw_hdmi_pointer(struct snd_pcm_substream *substream) return bytes_to_frames(runtime, dw->buf_offset); } -static struct snd_pcm_ops snd_dw_hdmi_ops = { +static const struct snd_pcm_ops snd_dw_hdmi_ops = { .open = dw_hdmi_open, .close = dw_hdmi_close, .ioctl = snd_pcm_lib_ioctl, diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c index 36f5ccbd1794..63c7a01b7053 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c @@ -811,7 +811,7 @@ static int dw_mipi_dsi_bridge_attach(struct drm_bridge *bridge) return drm_bridge_attach(bridge->encoder, dsi->panel_bridge, bridge); } -static struct drm_bridge_funcs dw_mipi_dsi_bridge_funcs = { +static const struct drm_bridge_funcs dw_mipi_dsi_bridge_funcs = { .mode_set = dw_mipi_dsi_bridge_mode_set, .enable = dw_mipi_dsi_bridge_enable, .post_disable = dw_mipi_dsi_bridge_post_disable, diff --git a/drivers/gpu/drm/cirrus/cirrus_drv.c b/drivers/gpu/drm/cirrus/cirrus_drv.c index 910c300f5c37..69c4e352dd78 100644 --- a/drivers/gpu/drm/cirrus/cirrus_drv.c +++ b/drivers/gpu/drm/cirrus/cirrus_drv.c @@ -142,7 +142,6 @@ static struct drm_driver driver = { .gem_free_object_unlocked = cirrus_gem_free_object, .dumb_create = cirrus_dumb_create, .dumb_map_offset = cirrus_dumb_mmap_offset, - .dumb_destroy = drm_gem_dumb_destroy, }; static const struct dev_pm_ops cirrus_pm_ops = { diff --git a/drivers/gpu/drm/cirrus/cirrus_fbdev.c b/drivers/gpu/drm/cirrus/cirrus_fbdev.c index 0f6815f35ad2..32fbfba2c623 100644 --- a/drivers/gpu/drm/cirrus/cirrus_fbdev.c +++ b/drivers/gpu/drm/cirrus/cirrus_fbdev.c @@ -251,7 +251,7 @@ static int cirrus_fbdev_destroy(struct drm_device *dev, drm_fb_helper_unregister_fbi(&gfbdev->helper); if (gfb->obj) { - drm_gem_object_unreference_unlocked(gfb->obj); + drm_gem_object_put_unlocked(gfb->obj); gfb->obj = NULL; } diff --git a/drivers/gpu/drm/cirrus/cirrus_main.c b/drivers/gpu/drm/cirrus/cirrus_main.c index e7fc95f63dca..b5f528543956 100644 --- a/drivers/gpu/drm/cirrus/cirrus_main.c +++ b/drivers/gpu/drm/cirrus/cirrus_main.c @@ -18,7 +18,7 @@ static void cirrus_user_framebuffer_destroy(struct drm_framebuffer *fb) { struct cirrus_framebuffer *cirrus_fb = to_cirrus_framebuffer(fb); - drm_gem_object_unreference_unlocked(cirrus_fb->obj); + drm_gem_object_put_unlocked(cirrus_fb->obj); drm_framebuffer_cleanup(fb); kfree(fb); } @@ -67,13 +67,13 @@ cirrus_user_framebuffer_create(struct drm_device *dev, cirrus_fb = kzalloc(sizeof(*cirrus_fb), GFP_KERNEL); if (!cirrus_fb) { - drm_gem_object_unreference_unlocked(obj); + drm_gem_object_put_unlocked(obj); return ERR_PTR(-ENOMEM); } ret = cirrus_framebuffer_init(dev, cirrus_fb, mode_cmd, obj); if (ret) { - drm_gem_object_unreference_unlocked(obj); + drm_gem_object_put_unlocked(obj); kfree(cirrus_fb); return ERR_PTR(ret); } @@ -261,7 +261,7 @@ int cirrus_dumb_create(struct drm_file *file, return ret; ret = drm_gem_handle_create(file, gobj, &handle); - drm_gem_object_unreference_unlocked(gobj); + drm_gem_object_put_unlocked(gobj); if (ret) return ret; @@ -310,7 +310,7 @@ cirrus_dumb_mmap_offset(struct drm_file *file, bo = gem_to_cirrus_bo(obj); *offset = cirrus_bo_mmap_offset(bo); - drm_gem_object_unreference_unlocked(obj); + drm_gem_object_put_unlocked(obj); return 0; } diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index 2ed2d919beae..be38ac7050d4 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -291,7 +291,7 @@ struct drm_minor *drm_minor_acquire(unsigned int minor_id) if (!minor) { return ERR_PTR(-ENODEV); - } else if (drm_device_is_unplugged(minor->dev)) { + } else if (drm_dev_is_unplugged(minor->dev)) { drm_dev_unref(minor->dev); return ERR_PTR(-ENODEV); } @@ -364,26 +364,32 @@ void drm_put_dev(struct drm_device *dev) } EXPORT_SYMBOL(drm_put_dev); -void drm_unplug_dev(struct drm_device *dev) +static void drm_device_set_unplugged(struct drm_device *dev) { - /* for a USB device */ - if (drm_core_check_feature(dev, DRIVER_MODESET)) - drm_modeset_unregister_all(dev); + smp_wmb(); + atomic_set(&dev->unplugged, 1); +} - drm_minor_unregister(dev, DRM_MINOR_PRIMARY); - drm_minor_unregister(dev, DRM_MINOR_RENDER); - drm_minor_unregister(dev, DRM_MINOR_CONTROL); +/** + * drm_dev_unplug - unplug a DRM device + * @dev: DRM device + * + * This unplugs a hotpluggable DRM device, which makes it inaccessible to + * userspace operations. Entry-points can use drm_dev_is_unplugged(). This + * essentially unregisters the device like drm_dev_unregister(), but can be + * called while there are still open users of @dev. + */ +void drm_dev_unplug(struct drm_device *dev) +{ + drm_dev_unregister(dev); mutex_lock(&drm_global_mutex); - drm_device_set_unplugged(dev); - - if (dev->open_count == 0) { - drm_put_dev(dev); - } + if (dev->open_count == 0) + drm_dev_unref(dev); mutex_unlock(&drm_global_mutex); } -EXPORT_SYMBOL(drm_unplug_dev); +EXPORT_SYMBOL(drm_dev_unplug); /* * DRM internal mount @@ -835,6 +841,9 @@ EXPORT_SYMBOL(drm_dev_register); * drm_dev_register() but does not deallocate the device. The caller must call * drm_dev_unref() to drop their final reference. * + * A special form of unregistering for hotpluggable devices is drm_dev_unplug(), + * which can be called while there are still open users of @dev. + * * This should be called first in the device teardown code to make sure * userspace can't access the device instance any more. */ @@ -842,7 +851,8 @@ void drm_dev_unregister(struct drm_device *dev) { struct drm_map_list *r_list, *list_temp; - drm_lastclose(dev); + if (drm_core_check_feature(dev, DRIVER_LEGACY)) + drm_lastclose(dev); dev->registered = false; diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c index 59b75a974357..b3c6e997ccdb 100644 --- a/drivers/gpu/drm/drm_file.c +++ b/drivers/gpu/drm/drm_file.c @@ -436,7 +436,7 @@ int drm_release(struct inode *inode, struct file *filp) if (!--dev->open_count) { drm_lastclose(dev); - if (drm_device_is_unplugged(dev)) + if (drm_dev_is_unplugged(dev)) drm_put_dev(dev); } mutex_unlock(&drm_global_mutex); diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index a8d396bed6a4..ad4e9cfe48a2 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -1001,7 +1001,7 @@ int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma) struct drm_vma_offset_node *node; int ret; - if (drm_device_is_unplugged(dev)) + if (drm_dev_is_unplugged(dev)) return -ENODEV; |