AuxXxilium/linux_dsm_epyc7002
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6ddd388ab2
linux_dsm_epyc7002/drivers/gpu/drm
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Rob Clark 6ddd388ab2 drm/atomic: track bitmask of planes attached to crtc 
Chasing plane->state->crtc of planes that are *not* part of the same
atomic update is racy, making it incredibly awkward (or impossible) to
do something simple like iterate over all planes and figure out which
ones are attached to a crtc.

Solve this by adding a bitmask of currently attached planes in the
crtc-state.

Note that the transitional helpers do not maintain the plane_mask.  But
they only support the legacy ioctls, which have sufficient brute-force
locking around plane updates that they can continue to loop over all
planes to see what is attached to a crtc the old way.

Signed-off-by: Rob Clark <robdclark@gmail.com>
[danvet:
- Drop comments about locking in set_crtc_for_plane since they're a
  bit misleading - we already should hold lock for the current crtc.
- Also WARN_ON if get_state on the old crtc fails since that should
  have been done already.
- Squash in fixup to check get_plane_state return value, reported by
  Dan Carpenter and acked by Rob Clark.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-11-27 15:38:15 +01:00
..
amd amdkfd: Implement the Get Version IOCTL 2014-11-02 12:18:29 +02:00
armada Linux 3.18-rc4 2014-11-12 17:53:30 +10:00
ast drm: Move drm_crtc_init from drm_crtc.h to drm_plane_helper.h 2014-11-05 00:14:55 +01:00
bochs bochs: add page_flip 2014-11-20 11:27:31 +10:00
bridge
cirrus drm/cirrus: allow 32bpp framebuffers for cirrus drm 2014-11-20 11:42:46 +10:00
exynos drm/panel: Changes for v3.19-rc1 2014-11-15 09:36:13 +10:00
gma500 drm: Miscellaneous fixes for v3.19-rc1 2014-11-15 09:37:20 +10:00
i2c
i810 drm: move drm_mmap to <drm/drm_legacy.h> 2014-09-24 11:43:07 +10:00
i915 drm/gem: Warn on illegal use of the dumb buffer interface v2 2014-11-21 12:12:41 +10:00
mga drm: move drm_mmap to <drm/drm_legacy.h> 2014-09-24 11:43:07 +10:00
mgag200 drm: Move drm_crtc_init from drm_crtc.h to drm_plane_helper.h 2014-11-05 00:14:55 +01:00
msm drm/plane: Pass old state to ->atomic_update() 2014-11-25 13:27:58 +01:00
nouveau drm/gem: Warn on illegal use of the dumb buffer interface v2 2014-11-21 12:12:41 +10:00
omapdrm drm: omapdrm: remove unused variable 2014-11-20 11:29:39 +10:00
panel drm/panel: Add Sharp LQ101R1SX01 support 2014-11-13 13:56:19 +01:00
qxl drm/qxl: drop unused mode private pointer 2014-11-15 10:15:30 +10:00
r128 drm: remove unnecessary sizeof(u8) 2014-11-20 11:30:37 +10:00
radeon Merge branch 'drm-next-3.19' of git://people.freedesktop.org/~agd5f/linux into drm-next 2014-11-21 12:17:43 +10:00
rcar-du drm: Sanitize DRM_IOCTL_MODE_CREATE_DUMB input 2014-11-15 09:50:21 +10:00
savage drm: move drm_mmap to <drm/drm_legacy.h> 2014-09-24 11:43:07 +10:00
shmobile drm: Move drm_crtc_init from drm_crtc.h to drm_plane_helper.h 2014-11-05 00:14:55 +01:00
sis drm: move drm_mmap to <drm/drm_legacy.h> 2014-09-24 11:43:07 +10:00
sti drm: Move drm_crtc_init from drm_crtc.h to drm_plane_helper.h 2014-11-05 00:14:55 +01:00
tdfx drm: move drm_mmap to <drm/drm_legacy.h> 2014-09-24 11:43:07 +10:00
tegra drm/tegra: Changes for v3.19-rc1 2014-11-15 09:38:55 +10:00
tilcdc drm/tilcdc: Deletion of an unnecessary check before the function call "drm_fbdev_cma_hotplug_event" 2014-11-21 12:16:31 +10:00
ttm drm/ttm: Avoid memory allocation from shrinker functions. 2014-11-20 11:31:56 +10:00
udl drm/udl: Deletion of an unnecessary check before the function call "vunmap" 2014-11-21 12:16:35 +10:00
via drm: move drm_mmap to <drm/drm_legacy.h> 2014-09-24 11:43:07 +10:00
vmwgfx drm/vmwgfx: Deletion of an unnecessary check before the function call "vfree" 2014-11-21 12:16:40 +10:00
ati_pcigart.c drm: split ati_pcigart.h out of drmP.h 2014-09-12 14:11:14 +10:00
drm_agpsupport.c drm: move AGP definitions harder 2014-09-10 17:40:11 +10:00
drm_atomic_helper.c drm/atomic: track bitmask of planes attached to crtc 2014-11-27 15:38:15 +01:00
drm_atomic.c drm/atomic: track bitmask of planes attached to crtc 2014-11-27 15:38:15 +01:00
drm_auth.c drm: Move piles of functions from drmP.h to drm_internal.h 2014-09-12 11:16:29 +02:00
drm_bufs.c drm: Move __drm_pci_free to drm_legacy.h 2014-09-12 11:08:56 +02:00
drm_cache.c
drm_context.c
drm_crtc_helper.c drm/atomic: Refcounting for plane_state->fb 2014-11-06 21:08:37 +01:00
drm_crtc_internal.h
drm_crtc.c drm: Free atomic state during cleanup 2014-11-25 13:28:31 +01:00
drm_debugfs.c drm: Move piles of functions from drmP.h to drm_internal.h 2014-09-12 11:16:29 +02:00
drm_dma.c drm: Move legacy buffer structures to <drm/drm_legacy.h> 2014-09-12 15:28:12 +02:00
drm_dp_helper.c drm/dp: Add counters in the drm_dp_aux struct for I2C NACKs and DEFERs 2014-11-05 14:03:22 +01:00
drm_dp_mst_topology.c drm/dp/mst: Handle invalid link bandwidth from DPCD gracefully 2014-11-15 09:31:34 +10:00
drm_drv.c drm: Document that drm_dev_alloc doesn't need a parent 2014-11-25 13:12:42 +01:00
drm_edid_load.c drm/edid: Deletion of an unnecessary check before the function call "release_firmware" 2014-11-21 12:16:27 +10:00
drm_edid.c drm/edid: Add missing interlaced flag to 576i@100 modes. 2014-10-01 11:36:20 +02:00
drm_encoder_slave.c
drm_fb_cma_helper.c
drm_fb_helper.c drm: Remove compiler BUG_ON() test 2014-11-04 09:47:45 +01:00
drm_flip_work.c drm: flip-work: change drm_flip_work_init prototype 2014-11-15 09:29:14 +10:00
drm_fops.c drm: Implement O_NONBLOCK support on /dev/dri/cardN 2014-10-08 15:07:07 +02:00
drm_gem_cma_helper.c drm/cma: Remove call to drm_gem_free_mmap_offset() 2014-11-13 13:27:33 +01:00
drm_gem.c drm: Sanitize DRM_IOCTL_MODE_CREATE_DUMB input 2014-11-15 09:50:21 +10:00
drm_global.c
drm_hashtab.c
drm_info.c drm: Extract <drm/drm_gem.h> 2014-09-24 11:43:41 +10:00
drm_internal.h drm: Move internal debugfs functions to drm_internal.h 2014-09-24 11:43:35 +10:00
drm_ioc32.c
drm_ioctl.c drm: Purge ioctl forward declarations from drmP.h 2014-09-12 15:27:47 +02:00
drm_irq.c drm/irq: BUG_ON() -> WARN_ON() 2014-11-20 11:33:51 +10:00
drm_legacy.h drm: Create drm legacy driver header 2014-09-12 11:08:55 +02:00
drm_lock.c drm: unexport drm_global_mutex 2014-09-12 11:19:47 +02:00
drm_memory.c drm: Move drm_memory.c map support declarations to <drm/drm_legacy.h> 2014-09-12 15:28:12 +02:00
drm_mipi_dsi.c drm/dsi: Do not require .owner field to be set 2014-11-13 13:56:17 +01:00
drm_mm.c
drm_modes.c gpu:drm: Fix typo in Documentation/DocBook/drm.xml 2014-10-21 10:55:33 +02:00
drm_modeset_lock.c drm: Per-plane locking 2014-11-12 17:56:12 +10:00
drm_of.c
drm_panel.c
drm_pci.c drm: Move legacy buffer structures to <drm/drm_legacy.h> 2014-09-12 15:28:12 +02:00
drm_plane_helper.c drm/plane: Pass old state to ->atomic_update() 2014-11-25 13:27:58 +01:00
drm_platform.c drm: Goody bye, drm_bus! 2014-09-10 17:43:10 +10:00
drm_prime.c drm: Miscellaneous fixes for v3.19-rc1 2014-11-15 09:37:20 +10:00
drm_probe_helper.c drm: Fix DRM_FORCE_ON_DIGITAL use 2014-11-04 09:45:04 +01:00
drm_rect.c
drm_scatter.c drm: Move sg functions into drm_legacy.h 2014-09-12 11:08:54 +02:00
drm_sysfs.c drm: Move piles of functions from drmP.h to drm_internal.h 2014-09-12 11:16:29 +02:00
drm_trace_points.c
drm_trace.h
drm_vm.c drm: Move drm_vm_open_locked into drm_internal.h 2014-09-24 11:43:20 +10:00
drm_vma_manager.c
Kconfig drm: merge drm_usb into udl 2014-09-10 17:43:27 +10:00
Makefile drm: Add atomic/plane helpers 2014-11-05 18:07:01 +01:00