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aef9dbb8f7
linux/drivers/gpu/drm
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Daniel Vetter aef9dbb8f7 drm/atomic-helper: Add option to update planes only on active crtc 
With drivers supporting runtime pm it's generally not a good idea to
touch the hardware when it's off. Add an option to the commit_planes
helper to support this case.

Note that the helpers already add all planes on a crtc when a modeset
happens, hence plane updates will not be lost if drivers set this to
true.

v2: Check for NULL state->crtc before chasing the pointer. Also check
both old and new crtc if there's a switch. Finally just outright
disallow switching crtcs for a plane if the plane is in active use, on
most hardware that doesn't make sense.

v3: Since commit_planes(active_only = true) is for enabling things
only after all the crtc are on we should only look at the new crtc to
decide whether to call the plane hooks - if the current CRTC isn't on
then skip. If the old crtc (when moving a plane) went down then the
plane should have been disabled as part of the pipe shutdown work
already. For which there's currently no helper really unfortunately.
Also move the check for wether a plane gets a new CRTC assigned while
still in active use out of this patch.

v4: Rebase over exynos changes.

Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Thierry Reding <treding@nvidia.com>
Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Tested-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
2015-09-08 13:49:08 +02:00
..
amd Merge branch 'drm-next-4.3' of git://people.freedesktop.org/~agd5f/linux into drm-next 2015-09-05 07:46:09 +10:00
armada drm/armada: Use new drm_fb_helper functions 2015-08-06 14:12:56 +02:00
ast drm/ast: Don't grab dev->struct_mutex for in mmap offset ioctl 2015-08-10 13:36:55 +02:00
atmel-hlcdc drm/atomic: Make prepare_fb/cleanup_fb only take state, v3. 2015-09-08 13:45:54 +02:00
bochs drm/bochs: Don't grab dev->struct_mutex for in mmap offset ioctl 2015-08-10 13:37:04 +02:00
bridge Merge branch 'drm-dwhdmi-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into drm-next 2015-08-27 13:01:57 +10:00
cirrus drm/cirrus: Don't grab dev->struct_mutex for in mmap offset ioctl 2015-08-10 13:37:27 +02:00
exynos drm/atomic-helper: Add option to update planes only on active crtc 2015-09-08 13:49:08 +02:00
fsl-dcu drm/layerscape: Add Freescale DCU DRM driver 2015-08-19 22:23:04 -04:00
gma500 drm/gma500: Use new drm_fb_helper functions 2015-08-06 14:12:59 +02:00
i2c drm/i2c/ch7006: Constify ch7006_tv_norms[] and ch7006_modes[] 2015-09-08 13:45:53 +02:00
i810
i915 drm/atomic: Make prepare_fb/cleanup_fb only take state, v3. 2015-09-08 13:45:54 +02:00
imx Merge branch 'drm-dwhdmi-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into drm-next 2015-08-27 13:01:57 +10:00
mga
mgag200 drm/mgag200: Add support for a new rev of G200e 2015-08-24 13:47:16 +10:00
msm drm/atomic-helper: Add option to update planes only on active crtc 2015-09-08 13:49:08 +02:00
nouveau drm: Constify TV mode names 2015-09-08 13:45:52 +02:00
omapdrm drm/atomic-helper: Add option to update planes only on active crtc 2015-09-08 13:49:08 +02:00
panel drm/panel: Add support for LG LG4573 480x800 4.3" panel 2015-08-14 21:35:35 +02:00
qxl drm/qxl: Don't take dev->struct_mutex in bo_force_delete 2015-08-11 12:04:16 +02:00
r128
radeon Add radeon suspend/resume quirk for HP Compaq dc5750. 2015-09-02 12:19:52 -04:00
rcar-du drm/atomic-helper: Add option to update planes only on active crtc 2015-09-08 13:49:08 +02:00
rockchip drm/rockchip: vop: support plane scale 2015-08-26 14:16:26 +08:00
savage
shmobile drm: Simplify drm_for_each_legacy_plane arguments 2015-07-22 16:25:45 +02:00
sis
sti drm/atomic-helper: Add option to update planes only on active crtc 2015-09-08 13:49:08 +02:00
tdfx
tegra drm/atomic-helper: Add option to update planes only on active crtc 2015-09-08 13:49:08 +02:00
tilcdc
ttm Linux 4.2-rc7 2015-08-17 14:13:53 +10:00
udl drm/udl: Use new drm_fb_helper functions 2015-08-06 14:13:00 +02:00
vgem drm/vgem: Set unique to "vgem" 2015-06-24 11:20:46 +10:00
via
virtio drm/virtio: Use new drm_fb_helper functions 2015-08-06 14:13:07 +02:00
vmwgfx drm/vmwgfx: Allow dropped masters render-node like access on legacy nodes v2 2015-09-01 02:06:02 -07:00
ati_pcigart.c
drm_agpsupport.c
drm_atomic_helper.c drm/atomic-helper: Add option to update planes only on active crtc 2015-09-08 13:49:08 +02:00
drm_atomic.c drm/atomic: refuse changing CRTC for planes directly 2015-09-08 13:45:51 +02:00
drm_auth.c
drm_bridge.c
drm_bufs.c
drm_cache.c drm: Avoid the double clflush on the last cache line in drm_clflush_virt_range() 2015-06-19 17:25:17 +02:00
drm_context.c drm: Convert drm_legacy_ctxbitmap_init to void return type 2015-07-02 17:00:48 +02:00
drm_crtc_helper.c drm: Make the connector dpms callback return a value, v2. 2015-07-27 16:23:28 +02:00
drm_crtc_internal.h
drm_crtc.c drm: Constify TV mode names 2015-09-08 13:45:52 +02:00
drm_debugfs.c
drm_dma.c
drm_dp_helper.c
drm_dp_mst_topology.c Linux 4.2-rc8 2015-08-24 16:36:42 +10:00
drm_drv.c drm: WARN_ON if a modeset driver uses legacy suspend/resume helpers 2015-09-08 13:45:46 +02:00
drm_edid_load.c drm: Constify generic_edid_names[] 2015-09-08 13:45:52 +02:00
drm_edid.c drm/edid: Use ARRAY_SIZE in drm_add_modes_noedid 2015-08-11 12:04:16 +02:00
drm_encoder_slave.c
drm_fb_cma_helper.c drm/fb_cma_helper: Use new drm_fb_helper functions 2015-08-06 14:13:00 +02:00
drm_fb_helper.c drm/fb-helper: Add module option to disable fbdev emulation 2015-09-08 13:45:50 +02:00
drm_flip_work.c
drm_fops.c
drm_gem_cma_helper.c drm/cma-helper: Don't grab dev->struct_mutex for in mmap offset ioctl 2015-08-10 13:37:36 +02:00
drm_gem.c drm/gem: Be more friendly with locking checks 2015-08-10 13:35:49 +02:00
drm_global.c
drm_hashtab.c
drm_info.c
drm_internal.h
drm_ioc32.c Merge tag 'topic/drm-misc-2015-07-23' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-07-24 14:28:16 +10:00
drm_ioctl.c drm: export the DRM permission check code 2015-08-12 10:06:18 -07:00
drm_irq.c Linux 4.2-rc7 2015-08-17 14:13:53 +10:00
drm_legacy.h drm: Convert drm_legacy_ctxbitmap_init to void return type 2015-07-02 17:00:48 +02:00
drm_lock.c drm: Reject DRI1 hw lock ioctl functions for kms drivers 2015-07-02 17:00:48 +02:00
drm_memory.c
drm_mipi_dsi.c
drm_mm.c drm/mm: Do DRM_MM_CREATE_TOP adj_start calculation after color_adjust 2015-09-08 13:45:47 +02:00
drm_modes.c
drm_modeset_lock.c drm/atomic: Make sure lock is held in trylock contexts. 2015-09-08 13:45:53 +02:00
drm_of.c drm: Add modeset object iterators 2015-07-22 16:25:45 +02:00
drm_panel.c
drm_pci.c
drm_plane_helper.c drm/atomic: Make prepare_fb/cleanup_fb only take state, v3. 2015-09-08 13:45:54 +02:00
drm_platform.c
drm_prime.c drm: prime: Document gem_prime_mmap 2015-06-19 17:50:05 +02:00
drm_probe_helper.c drm/probe-helper: Grab mode_config.mutex in poll_init/enable 2015-07-22 16:25:45 +02:00
drm_rect.c
drm_scatter.c
drm_sysfs.c Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2015-06-26 13:18:51 -07:00
drm_trace_points.c
drm_trace.h
drm_vm.c
drm_vma_manager.c
Kconfig Merge branch 'drm-next-fsl-dcu' of https://github.com/Jianwei-Wang/linux-drm-fsl-dcu into drm-next 2015-08-20 14:11:17 +10:00
Makefile drm/layerscape: Add Freescale DCU DRM driver 2015-08-19 22:23:04 -04:00