AuxXxilium/linux_dsm_epyc7002
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e9827d8ea2
linux_dsm_epyc7002/drivers/gpu/drm
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Thierry Reding e9827d8ea2 drm/fb-helper: Add top-level lock 
Introduce a new top-level lock for the FB helper code. This will allow
better locking granularity and avoid the need to abuse modeset locking
for this purpose instead.

This patch just adds the new lock everywhere we currently grab
mode_config->mutex (explicitly, or through drm_modeset_lock_all).
Follow-up patches will push the kms locking down into only the places
that need it.

v2:
- use lockdep_assert_held
- use drm_fb_helper_for_each_connector where possible
- use the new top-level lock consistently, i.e. in all the places
  we're currently acquiring mode_config.mutex.
- small polish to the kerneldoc

Tested-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com> (v1)
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170704151833.17304-4-daniel.vetter@ffwll.ch
2017-07-06 10:00:42 +02:00
..
amd Merge remote-tracking branch 'airlied/drm-next' into drm-misc-next 2017-06-27 09:18:17 -04:00
arc drm: Convert atomic drivers from CRTC .disable() to .atomic_disable() 2017-06-30 14:53:15 +02:00
arm drm: Convert atomic drivers from CRTC .disable() to .atomic_disable() 2017-06-30 14:53:15 +02:00
armada drm: armada: Constify drm_prop_enum_list structures. 2017-07-03 10:07:43 +02:00
ast drm/pci: Deprecate drm_pci_init/exit completely 2017-06-20 10:41:03 +02:00
atmel-hlcdc drm: Convert atomic drivers from CRTC .disable() to .atomic_disable() 2017-06-30 14:53:15 +02:00
bochs drm/bochs: switch fb_ops over to use drm_fb_helper_cfb helpers 2017-07-03 10:31:14 +02:00
bridge Linux 4.12-rc7 2017-06-27 08:28:30 +10:00
cirrus drm/pci: Deprecate drm_pci_init/exit completely 2017-06-20 10:41:03 +02:00
etnaviv Linux 4.12-rc3 2017-05-30 15:54:15 +10:00
exynos drm: Convert atomic drivers from CRTC .disable() to .atomic_disable() 2017-06-30 14:53:15 +02:00
fsl-dcu drm: Add old state pointer to CRTC .enable() helper function 2017-06-30 14:53:14 +02:00
gma500 drm/gma500: remove an unneeded NULL check 2017-06-28 19:17:38 +02:00
hisilicon drm: Convert atomic drivers from CRTC .disable() to .atomic_disable() 2017-06-30 14:53:15 +02:00
i2c drm/i2c: remove unneeded -Iinclude/drm compiler flag 2017-05-18 07:13:04 +02:00
i810 drm/pci: Deprecate drm_pci_init/exit completely 2017-06-20 10:41:03 +02:00
i915 drm/i915: Drop FBDEV #ifdev in mst code 2017-07-06 10:00:33 +02:00
imx drm: Add old state pointer to CRTC .enable() helper function 2017-06-30 14:53:14 +02:00
lib
mediatek drm: Convert atomic drivers from CRTC .disable() to .atomic_disable() 2017-06-30 14:53:15 +02:00
meson drm: Convert atomic drivers from CRTC .disable() to .atomic_disable() 2017-06-30 14:53:15 +02:00
mga drm/pci: Deprecate drm_pci_init/exit completely 2017-06-20 10:41:03 +02:00
mgag200 Merge remote-tracking branch 'airlied/drm-next' into drm-misc-next 2017-06-27 09:18:17 -04:00
msm drm: Convert atomic drivers from CRTC .disable() to .atomic_disable() 2017-06-30 14:53:15 +02:00
mxsfb drm/mxsfb: Drop drm_vblank_cleanup 2017-06-23 11:08:44 +02:00
nouveau Merge remote-tracking branch 'airlied/drm-next' into drm-misc-next 2017-06-27 09:18:17 -04:00
omapdrm drm: Convert atomic drivers from CRTC .disable() to .atomic_disable() 2017-06-30 14:53:15 +02:00
panel drm/panel: s6e3ha2: Add support for s6e3hf2 panel on TM2e board 2017-06-14 20:18:22 +02:00
pl111 drm/pl111: Fix offset calculation for the primary plane. 2017-06-07 11:50:00 -07:00
qxl drm: qxl: constify ttm_place structures. 2017-07-03 10:31:14 +02:00
r128 drm/pci: Deprecate drm_pci_init/exit completely 2017-06-20 10:41:03 +02:00
radeon drm/fb-helper: Push down modeset lock into FB helpers 2017-07-06 10:00:22 +02:00
rcar-du drm: Convert atomic drivers from CRTC .disable() to .atomic_disable() 2017-06-30 14:53:15 +02:00
rockchip drm: Convert atomic drivers from CRTC .disable() to .atomic_disable() 2017-06-30 14:53:15 +02:00
savage drm/pci: Deprecate drm_pci_init/exit completely 2017-06-20 10:41:03 +02:00
selftests
shmobile drm/shmob: Drop drm_vblank_cleanup 2017-06-22 08:41:15 +02:00
sis drm/pci: Deprecate drm_pci_init/exit completely 2017-06-20 10:41:03 +02:00
sti drm: Convert atomic drivers from CRTC .disable() to .atomic_disable() 2017-06-30 14:53:15 +02:00
stm drm: Convert atomic drivers from CRTC .disable() to .atomic_disable() 2017-06-30 14:53:15 +02:00
sun4i drm: Convert atomic drivers from CRTC .disable() to .atomic_disable() 2017-06-30 14:53:15 +02:00
tdfx drm/pci: Deprecate drm_pci_init/exit completely 2017-06-20 10:41:03 +02:00
tegra drm: Convert atomic drivers from CRTC .disable() to .atomic_disable() 2017-06-30 14:53:15 +02:00
tilcdc drm: Convert atomic drivers from CRTC .disable() to .atomic_disable() 2017-06-30 14:53:15 +02:00
tinydrm drm: Use vsnprintf extension %ph 2017-05-31 10:30:38 +02:00
ttm drm: drop drm_[cm]alloc* helpers 2017-05-18 17:22:39 +02:00
udl drm/udl: dma-buf: Constify dma_buf_ops structures. 2017-07-03 10:07:47 +02:00
vc4 drm: Convert atomic drivers from CRTC .disable() to .atomic_disable() 2017-06-30 14:53:15 +02:00
vgem drm/vgem: Pin our pages for dmabuf exports 2017-06-23 13:04:22 +02:00
via drm/pci: Deprecate drm_pci_init/exit completely 2017-06-20 10:41:03 +02:00
virtio drm: ttm: virtio-gpu: dma-buf: Constify ttm_place structures. 2017-07-03 10:31:14 +02:00
vmwgfx drm: Convert atomic drivers from CRTC .disable() to .atomic_disable() 2017-06-30 14:53:15 +02:00
zte drm: Convert atomic drivers from CRTC .disable() to .atomic_disable() 2017-06-30 14:53:15 +02:00
ati_pcigart.c
drm_agpsupport.c
drm_atomic_helper.c drm/atomic-helper: Realign function parameters 2017-07-04 17:16:00 +02:00
drm_atomic.c drm/atomic: Drop helper include from drm_atomic.c 2017-06-30 15:35:20 +02:00
drm_auth.c
drm_blend.c drm: Add DRM_MODE_ROTATE_ and DRM_MODE_REFLECT_ to UAPI 2017-05-22 09:49:48 +02:00
drm_bridge.c drm: Introduce drm_bridge_mode_valid() 2017-05-30 08:37:50 +02:00
drm_bufs.c
drm_cache.c
drm_color_mgmt.c drm: More links for gamma support helpers 2017-06-20 12:13:11 +02:00
drm_connector.c Linux 4.12-rc7 2017-06-27 08:28:30 +10:00
drm_context.c
drm_crtc_helper_internal.h drm: Add drm_{crtc/encoder/connector}_mode_valid() 2017-05-30 08:37:24 +02:00
drm_crtc_helper.c
drm_crtc_internal.h
drm_crtc.c
drm_debugfs_crc.c
drm_debugfs.c
drm_dma.c
drm_dp_aux_dev.c
drm_dp_dual_mode_helper.c
drm_dp_helper.c drm/dp: start a DPCD based DP sink/branch device quirk database 2017-05-29 13:43:26 +03:00
drm_dp_mst_topology.c drm: Use vsnprintf extension %ph 2017-05-31 10:30:38 +02:00
drm_drv.c drm: Fix oops + Xserver hang when unplugging USB drm devices 2017-06-02 11:09:35 -04:00
drm_dumb_buffers.c
drm_edid_load.c
drm_edid.c
drm_encoder_slave.c
drm_encoder.c
drm_fb_cma_helper.c drm: Convert CMA fbdev console suspend helpers to use bool 2017-06-20 16:23:40 +02:00
drm_fb_helper.c drm/fb-helper: Add top-level lock 2017-07-06 10:00:42 +02:00
drm_file.c Merge remote-tracking branch 'airlied/drm-next' into drm-misc-next 2017-06-27 09:18:17 -04:00
drm_flip_work.c
drm_fourcc.c
drm_framebuffer.c
drm_gem_cma_helper.c
drm_gem.c drm: drop drm_[cm]alloc* helpers 2017-05-18 17:22:39 +02:00
drm_global.c
drm_hashtab.c
drm_info.c
drm_internal.h drm/vblank: Unexport drm_vblank_cleanup 2017-06-28 12:51:13 +02:00
drm_ioc32.c
drm_ioctl.c Merge remote-tracking branch 'airlied/drm-next' into drm-misc-next 2017-06-27 09:18:17 -04:00
drm_irq.c drm/doc: Polish irq helper documentation 2017-06-01 08:02:14 +02:00
drm_kms_helper_common.c
drm_legacy.h
drm_lock.c
drm_memory.c
drm_mipi_dsi.c
drm_mm.c
drm_mode_config.c
drm_mode_object.c
drm_modes.c
drm_modeset_helper.c
drm_modeset_lock.c
drm_of.c
drm_panel.c
drm_pci.c drm/pci: Deprecate drm_pci_init/exit completely 2017-06-20 10:41:03 +02:00
drm_plane_helper.c drm: Add DRM_MODE_ROTATE_ and DRM_MODE_REFLECT_ to UAPI 2017-05-22 09:49:48 +02:00
drm_plane.c drm: Fix deadlock retry loop in page_flip_ioctl 2017-05-23 09:39:14 +02:00
drm_prime.c
drm_print.c
drm_probe_helper.c drm: Use new mode_valid() helpers in connector probe helper 2017-05-30 08:37:50 +02:00
drm_property.c
drm_rect.c drm: Add DRM_MODE_ROTATE_ and DRM_MODE_REFLECT_ to UAPI 2017-05-22 09:49:48 +02:00
drm_scatter.c
drm_scdc_helper.c
drm_simple_kms_helper.c drm: Convert atomic drivers from CRTC .disable() to .atomic_disable() 2017-06-30 14:53:15 +02:00
drm_syncobj.c drm/syncobj: add sync_file interaction. (v1.2) 2017-06-14 12:11:04 +10:00
drm_sysfs.c
drm_trace_points.c
drm_trace.h
drm_vblank.c drm/vblank: Unexport drm_vblank_cleanup 2017-06-28 12:51:13 +02:00
drm_vm.c
drm_vma_manager.c
Kconfig
Makefile Merge tag 'drm-misc-next-2017-06-15' of git://anongit.freedesktop.org/git/drm-misc into drm-next 2017-06-16 09:33:43 +10:00