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OrangePi_CM5/drivers/gpu/drm
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Chris Wilson 4bb1bedb28 drm/i915: Use the global runtime-pm wakelock for a busy GPU for execlists 
When we submit a request to the GPU, we first take the rpm wakelock, and
only release it once the GPU has been idle for a small period of time
after all requests have been complete. This means that we are sure no
new interrupt can arrive whilst we do not hold the rpm wakelock and so
can drop the individual get/put around every single request inside
execlists.

Note: to close one potential issue we should mark the GPU as busy
earlier in __i915_add_request.

To elaborate: The issue is that we emit the irq signalling sequence
before we grab the rpm reference, which means we could miss the
resulting interrupt (since that's not set up when suspended). The only
bad side effect is a missed interrupt, gt mmio writes automatically
wake up the hw itself. But otoh we have an umbrella rpm reference for
the entirety of execbuf, as long as that's there we're covered.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
[danvet: Explain a bit more about the add_request issue, which after
some irc chatting with Chris turns out to not be an issue really.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
 		2015-04-10 08:56:14 +02:00
..
amd drm/amdkfd: Fix SDMA queue init. in non-HWS mode 2015-03-16 23:36:58 +02:00
armada Merge tag 'topic/core-stuff-2014-12-19' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-01-09 09:13:41 +10:00
ast drm/fb-helper: Propagate errors from initial config failure 2015-01-21 14:57:03 +01:00
atmel-hlcdc Linux 4.0-rc3 2015-03-09 19:58:30 +10:00
bochs drm/fb-helper: Propagate errors from initial config failure 2015-01-21 14:57:03 +01:00
bridge drm/bridge: dw-hdmi: Adapt to bridge API change 2015-01-28 10:01:30 +01:00
cirrus Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2015-02-16 15:48:00 -08:00
exynos drm/exynos: fix the initialization order in FIMD 2015-03-18 20:41:19 +09:00
gma500 drm/fb-helper: Propagate errors from initial config failure 2015-01-21 14:57:03 +01:00
i2c drm: Fix trivial typos in comments 2015-03-10 09:59:34 +01:00
i810 drm: move drm_mmap to <drm/drm_legacy.h> 2014-09-24 11:43:07 +10:00
i915 drm/i915: Use the global runtime-pm wakelock for a busy GPU for execlists 2015-04-10 08:56:14 +02:00
imx DRM: i.MX: parallel display: Support probe deferral for finding DRM panel 2015-02-23 17:19:25 +01:00
mga drm: move drm_mmap to <drm/drm_legacy.h> 2014-09-24 11:43:07 +10:00
mgag200 drm/fb-helper: Propagate errors from initial config failure 2015-01-21 14:57:03 +01:00
msm Linux 4.0-rc3 2015-03-09 19:58:30 +10:00
nouveau drm/nouveau/bios: fix i2c table parsing for dcb 4.1 2015-03-17 09:44:23 +10:00
omapdrm drm/fb-helper: Propagate errors from initial config failure 2015-01-21 14:57:03 +01:00
panel drm: panel/simple: add backlight dependency 2015-01-31 10:11:45 +10:00
qxl drm/fb-helper: Propagate errors from initial config failure 2015-01-21 14:57:03 +01:00
r128 drm: remove unnecessary sizeof(u8) 2014-11-20 11:30:37 +10:00
radeon Merge tag 'drm-amdkfd-fixes-2015-03-19' of git://people.freedesktop.org/~gabbayo/linux into drm-fixes 2015-03-20 17:32:01 +10:00
rcar-du drm: rcar-du: Fix race condition in hardware plane allocator 2015-03-03 16:16:30 +02:00
rockchip Revert "drm/rockchip: Flip select/depends in Kconfig" 2015-03-03 21:11:34 +10:00
savage drm: move drm_mmap to <drm/drm_legacy.h> 2014-09-24 11:43:07 +10:00
shmobile drm: Kconfig: Let all DRM_GEM_CMA_HELPER related macros depend on HAVE_DMA_ATTRS 2015-02-03 11:12:37 +10:00
sis drm: move drm_mmap to <drm/drm_legacy.h> 2014-09-24 11:43:07 +10:00
sti drm: sti: HDMI add audio infoframe 2015-02-05 16:21:19 +01:00
tdfx drm: move drm_mmap to <drm/drm_legacy.h> 2014-09-24 11:43:07 +10:00
tegra Linux 4.0-rc3 2015-03-09 19:58:30 +10:00
tilcdc drm: Kconfig: Let all DRM_GEM_CMA_HELPER related macros depend on HAVE_DMA_ATTRS 2015-02-03 11:12:37 +10:00
ttm drm/ttm: device address space != CPU address space 2015-03-05 09:04:39 +10:00
udl drm/udl: properly set active_16 flag in udl_crtc_page_flip(). (v2) 2015-01-31 10:12:23 +10:00
via drm: move drm_mmap to <drm/drm_legacy.h> 2014-09-24 11:43:07 +10:00
vmwgfx drm/vmwgfx: Fix an issue with the device losing its irq line on module unload 2015-03-11 11:47:41 -07:00
Kconfig drm: Kconfig: Let all DRM_GEM_CMA_HELPER related macros depend on HAVE_DMA_ATTRS 2015-02-03 11:12:37 +10:00
Makefile drm/bridge: make bridge registration independent of drm flow 2015-01-28 08:45:40 +01:00
ati_pcigart.c
…
drm_agpsupport.c
…
drm_atomic.c drm: Share plane pixel format check code between legacy and atomic 2015-03-10 09:59:35 +01:00
drm_atomic_helper.c drm/atomic-helper: Fix kerneldoc for prepare_planes 2015-03-10 09:59:31 +01:00
drm_auth.c
…
drm_bridge.c drm/bridge: make bridge registration independent of drm flow 2015-01-28 08:45:40 +01:00
drm_bufs.c
…
drm_cache.c drm/cache: Use wbinvd helpers 2014-12-16 08:56:55 +01:00
drm_context.c
…
drm_crtc.c drm: Fixup racy refcounting in plane_force_disable 2015-03-24 12:04:35 +10:00
drm_crtc_helper.c drm: add support for tiled/compressed/etc modifier in addfb2 2015-02-13 23:28:12 +01:00
drm_crtc_internal.h drm/atomic: Hide drm.ko internal interfaces 2015-01-05 13:55:30 +01:00
drm_debugfs.c
…
drm_dma.c
…
drm_dp_helper.c drm/dp: add drm_dp_link_power_down() helper 2015-02-01 15:06:42 -05:00
drm_dp_mst_topology.c drm/mst: fix recursive sleep warning on qlock 2015-03-10 13:44:31 +10:00
drm_drv.c drm: add atomic properties 2015-01-05 13:54:38 +01:00
drm_edid.c Merge tag 'topic/core-stuff-2014-12-10' of git://anongit.freedesktop.org/drm-intel into drm-next 2014-12-11 10:12:57 +10:00
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_encoder_slave.c
…
drm_fb_cma_helper.c
…
drm_fb_helper.c Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2015-02-16 15:48:00 -08:00
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: Make drm_read() more robust against multithreaded races 2015-01-21 14:57:03 +01:00
drm_gem.c drm: Sanitize DRM_IOCTL_MODE_CREATE_DUMB input 2014-11-15 09:50:21 +10:00
drm_gem_cma_helper.c drm/cma: Remove call to drm_gem_free_mmap_offset() 2014-11-13 13:27:33 +01:00
drm_global.c
…
drm_hashtab.c
…
drm_info.c drm/info: Remove unused code 2014-12-16 18:44:34 +01:00
drm_internal.h drm/info: Remove unused code 2014-12-16 18:44:34 +01:00
drm_ioc32.c
…
drm_ioctl.c drm: add support for tiled/compressed/etc modifier in addfb2 2015-02-13 23:28:12 +01:00
drm_irq.c Merge tag 'drm-intel-next-2015-02-27' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-03-09 19:41:15 +10:00
drm_legacy.h
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drm_lock.c
…
drm_memory.c
…
drm_mipi_dsi.c drm/mipi-dsi: Avoid potential NULL pointer dereference 2015-01-28 08:45:37 +01:00
drm_mm.c [PATCH] drm/mm: Fix support 4 GiB and larger ranges 2015-03-16 06:28:50 +10:00
drm_modes.c drm: Fix trivial typos in comments 2015-03-10 09:59:34 +01:00
drm_modeset_lock.c drm: Per-plane locking 2014-11-12 17:56:12 +10:00
drm_of.c
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drm_panel.c
…
drm_pci.c
…
drm_plane_helper.c drm: Check in setcrtc if the primary plane supports the fb pixel format 2015-03-10 09:59:36 +01:00
drm_platform.c
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drm_prime.c drm: Miscellaneous fixes for v3.19-rc1 2014-11-15 09:37:20 +10:00
drm_probe_helper.c drm/probe-helper: clamp unknown connector status in the poll work 2015-01-22 06:11:39 +01:00
drm_rect.c
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drm_scatter.c
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drm_sysfs.c drm: Lighten sysfs connector 'status' 2015-03-10 09:59:36 +01:00
drm_trace.h
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drm_trace_points.c
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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 mm: remove rest usage of VM_NONLINEAR and pte_file() 2015-02-10 14:30:31 -08:00