Chris Wilson 6c9a8cdad4 drm/i915: Avoid lock dropping between rescheduling ... Unlocking is dangerous. In this case we combine an early update to the out-of-queue request, because we know that it will be inserted into the correct FIFO priority-ordered slot when it becomes ready in the future. However, given sufficient enthusiasm, it may become ready as we are continuing to reschedule, and so may gazump the FIFO if we have since dropped its spinlock. The result is that it may be executed too early, before its dependencies. v2: Move all work into the second phase over the topological sort. This removes the shortcut on the out-of-rbtree request to ensure that we only adjust its priority after adjusting all of its dependencies. Fixes: 20311bd350 ("drm/i915/scheduler: Execute requests in order of priorities") Testcase: igt/gem_exec_whisper Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: <stable@vger.kernel.org> # v4.10+ Link: http://patchwork.freedesktop.org/patch/msgid/20170327202143.7972-1-chris@chris-wilson.co.uk Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> (cherry picked from commit a79a524e92) Signed-off-by: Jani Nikula <jani.nikula@intel.com>		2017-03-31 13:39:47 +03:00
..
amd	drm/amd/amdgpu: add POLARIS12 PCI ID	2017-03-17 14:44:34 -04:00
arc	drm: Rely on mode_config data for fb_helper initialization	2017-02-02 19:12:00 +01:00
arm	drm: mali-dp: Fix smart layer not going to composition	2017-03-10 14:31:16 +00:00
armada	mm, fs: reduce fault, page_mkwrite, and pfn_mkwrite to take only vmf	2017-02-24 17:46:54 -08:00
ast	drm/ast: Call open_key before enable_mmio in POST code	2017-02-28 13:25:32 +10:00
atmel-hlcdc	drm: Rely on mode_config data for fb_helper initialization	2017-02-02 19:12:00 +01:00
bochs	drm: Rely on mode_config data for fb_helper initialization	2017-02-02 19:12:00 +01:00
bridge	drm/bridge/sii8620: enable interlace modes	2017-02-02 15:15:31 +05:30
cirrus	drm: Rely on mode_config data for fb_helper initialization	2017-02-02 19:12:00 +01:00
etnaviv	sched/headers: Prepare to move the get_task_struct()/put_task_struct() and related APIs from <linux/sched.h> to <linux/sched/task.h>	2017-03-02 08:42:40 +01:00
exynos	drm/exynos/dsi: make te-gpios optional	2017-03-21 14:30:18 +09:00
fsl-dcu	drm/fsl-dcu: check for clk_prepare_enable() error	2017-02-07 20:28:04 -08:00
gma500	mm, fs: reduce fault, page_mkwrite, and pfn_mkwrite to take only vmf	2017-02-24 17:46:54 -08:00
hisilicon	drm: Rely on mode_config data for fb_helper initialization	2017-02-02 19:12:00 +01:00
i2c
i810	drm/i810: drop device_is_agp callback	2017-01-26 10:44:43 +01:00
i915	drm/i915: Avoid lock dropping between rescheduling	2017-03-31 13:39:47 +03:00
imx	imx-drm: TVE regulator, fb size limit, and ipu-v3 module fixes	2017-02-23 12:10:42 +10:00
lib	drm: Add a simple generator of random permutations	2016-12-27 12:34:00 +01:00
mediatek	drm: mediatek: use crtc helper drm_crtc_from_index()	2017-01-18 09:21:06 -05:00
meson	drm: Rely on mode_config data for fb_helper initialization	2017-02-02 19:12:00 +01:00
mga	lib/vsprintf.c: remove %Z support	2017-02-27 18:43:47 -08:00
mgag200	drm: Rely on mode_config data for fb_helper initialization	2017-02-02 19:12:00 +01:00
msm	mm, fs: reduce fault, page_mkwrite, and pfn_mkwrite to take only vmf	2017-02-24 17:46:54 -08:00
mxsfb	drm: mxsfb: Implement drm_panel handling	2017-03-10 11:11:14 +10:00
nouveau	Less anger inducing pull request for 4.11	2017-02-23 18:58:18 -08:00
omapdrm	drm/omap: fix dmabuf mmap for dma_alloc'ed buffers	2017-03-13 12:53:27 +02:00
panel	drm/panel: simple: Specify bus width and flags for EDT displays	2017-01-26 10:57:18 +01:00
qxl	mm, fs: reduce fault, page_mkwrite, and pfn_mkwrite to take only vmf	2017-02-24 17:46:54 -08:00
r128
radeon	drm/radeon: reinstate oland workaround for sclk	2017-03-16 10:06:11 -04:00
rcar-du	media fixes for v4.11-rc2	2017-03-09 15:50:56 -08:00
rockchip	Merge tag 'drm-misc-next-fixes-2017-02-27' of git://anongit.freedesktop.org/git/drm-misc into drm-next	2017-02-28 12:28:00 +10:00
savage	drm: Change the return type of the unload hook to void	2017-01-09 11:25:22 +01:00
selftests	drm: kselftest for drm_mm and bottom-up allocation	2017-02-03 11:36:49 +01:00
shmobile	drm: Change the return type of the unload hook to void	2017-01-09 11:25:22 +01:00
sis	drm: Improve drm_mm search (and fix topdown allocation) with rbtrees	2017-02-03 11:10:32 +01:00
sti	drm/sti: fix build warnings in sti_drv.c and sti_vtg.c files	2017-02-23 12:54:54 +10:00
sun4i	drm: Rely on mode_config data for fb_helper initialization	2017-02-02 19:12:00 +01:00
tdfx
tegra	mm, fs: reduce fault, page_mkwrite, and pfn_mkwrite to take only vmf	2017-02-24 17:46:54 -08:00
tilcdc	drm/tilcdc: Set framebuffer DMA address to HW only if CRTC is enabled	2017-03-14 14:28:58 +02:00
tinydrm	Less anger inducing pull request for 4.11	2017-02-23 18:58:18 -08:00
ttm	sched/headers: Prepare for new header dependencies before moving code to <linux/sched/signal.h>	2017-03-02 08:42:29 +01:00
udl	mm, fs: reduce fault, page_mkwrite, and pfn_mkwrite to take only vmf	2017-02-24 17:46:54 -08:00
vc4	sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h>	2017-03-02 08:42:32 +01:00
vgem	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2017-03-02 15:20:00 -08:00
via	drm: Improve drm_mm search (and fix topdown allocation) with rbtrees	2017-02-03 11:10:32 +01:00
virtio	virtio, vhost: optimizations, fixes	2017-03-02 13:53:13 -08:00
vmwgfx	drm/vmwgfx: Work around drm removal of control nodes	2017-02-26 22:52:28 +01:00
zte	drm: zte: fix static checker warning on variable 'fmt'	2017-02-23 08:54:15 +08:00
ati_pcigart.c
drm_agpsupport.c	drm/i810: drop device_is_agp callback	2017-01-26 10:44:43 +01:00
drm_atomic_helper.c	drm/atomic: fix an error code in mode_fixup()	2017-02-08 16:15:42 +01:00
drm_atomic.c	Linux 4.10-rc8	2017-02-23 12:10:12 +10:00
drm_auth.c	drm/core: Use recommened kerneldoc for struct member refs	2017-01-25 16:22:42 +01:00
drm_blend.c	drm/kms-core: Use recommened kerneldoc for struct member refs	2017-01-25 16:30:34 +01:00
drm_bridge.c	drm/bridge: Use recommened kerneldoc for struct member refs	2017-01-02 09:17:26 +01:00
drm_bufs.c
drm_cache.c	drm: Update drm_cache.c to pull in the new drm_cache.h	2017-01-24 11:00:22 +01:00
drm_color_mgmt.c	drm/color: un-inline drm_color_lut_extract()	2017-01-31 15:31:58 +02:00
drm_connector.c	Linux 4.10-rc8	2017-02-23 12:10:12 +10:00
drm_context.c
drm_crtc_helper_internal.h
drm_crtc_helper.c	drm/kms-helpers: Use recommened kerneldoc for struct member refs	2017-01-25 16:18:57 +01:00
drm_crtc_internal.h	Revert "drm: Resurrect atomic rmfb code, v3"	2017-02-17 12:39:04 +10:00
drm_crtc.c	drm: s/drm_crtc_get_hv_timings/drm_mode_get_hv_timings/	2017-01-26 10:46:28 +01:00
drm_debugfs_crc.c	drm: crc: Call wake_up_interruptible() each time there is a new CRC entry	2017-01-06 15:23:19 +01:00
drm_debugfs.c	drm/atomic: Remove drm_atomic_debugfs_cleanup()	2017-01-27 09:02:03 +01:00
drm_dma.c
drm_dp_aux_dev.c
drm_dp_dual_mode_helper.c
drm_dp_helper.c	drm/kms-helpers: Use recommened kerneldoc for struct member refs	2017-01-25 16:18:57 +01:00
drm_dp_mst_topology.c	Less anger inducing pull request for 4.11	2017-02-23 18:58:18 -08:00
drm_drv.c	Linux 4.10-rc8	2017-02-23 12:10:12 +10:00
drm_dumb_buffers.c	drm/kms-core: Use recommened kerneldoc for struct member refs	2017-01-25 16:30:34 +01:00
drm_edid_load.c
drm_edid.c	drm/edid: Add EDID_QUIRK_FORCE_8BPC quirk for Rotel RSX-1058	2017-03-06 08:28:10 +01:00
drm_encoder_slave.c	drm/kms-core: Use recommened kerneldoc for struct member refs	2017-01-25 16:30:34 +01:00
drm_encoder.c	drm/kms-core: Use recommened kerneldoc for struct member refs	2017-01-25 16:30:34 +01:00
drm_fb_cma_helper.c	drm: Rely on mode_config data for fb_helper initialization	2017-02-02 19:12:00 +01:00
drm_fb_helper.c	drm/fb-helper: Allow var->x/yres(_virtual) < fb->width/height again	2017-03-23 15:12:07 +01:00
drm_flip_work.c
drm_fops.c	drm/core: Use recommened kerneldoc for struct member refs	2017-01-25 16:22:42 +01:00
drm_fourcc.c
drm_framebuffer.c	Revert "drm: Resurrect atomic rmfb code, v3"	2017-02-17 12:39:04 +10:00
drm_gem_cma_helper.c	Less anger inducing pull request for 4.11	2017-02-23 18:58:18 -08:00
drm_gem.c	drm/gem|prime|mm: Use recommened kerneldoc for struct member refs	2017-01-25 16:20:21 +01:00
drm_global.c	drm: Update TTM initialization documentation	2016-12-30 12:52:10 +01:00
drm_hashtab.c
drm_info.c	locking/atomic, kref: Add kref_read()	2017-01-14 11:37:18 +01:00
drm_internal.h	drm: remove device_is_agp callback	2017-01-26 10:45:14 +01:00
drm_ioc32.c
drm_ioctl.c	drm: Export drm_ioctl_permit to kernel-doc	2016-12-30 12:40:48 +01:00
drm_irq.c	drm: Nuke ums vgaarb support	2017-01-26 10:45:31 +01:00
drm_kms_helper_common.c
drm_legacy.h	drm: compile drm_vm.c only when needed	2017-01-06 11:03:07 +01:00
drm_lock.c	sched/headers: Prepare for new header dependencies before moving code to <linux/sched/signal.h>	2017-03-02 08:42:29 +01:00
drm_memory.c
drm_mipi_dsi.c
drm_mm.c	drm: Improve drm_mm search (and fix topdown allocation) with rbtrees	2017-02-03 11:10:32 +01:00
drm_mode_config.c	drm: Show leaked connectors upon unload	2017-01-23 09:26:22 +01:00
drm_mode_object.c	Less anger inducing pull request for 4.11	2017-02-23 18:58:18 -08:00
drm_modes.c	drm: Clean up the 1366x768 fixup codes	2017-02-01 19:01:47 +02:00
drm_modeset_helper.c	drm: Convert all helpers to drm_connector_list_iter	2016-12-18 14:33:22 +01:00
drm_modeset_lock.c	drm/kms-core: Use recommened kerneldoc for struct member refs	2017-01-25 16:30:34 +01:00
drm_of.c	drm: Don't include <drm/drm_encoder.h> in <drm/drm_crtc.h>	2016-12-18 16:29:29 +05:30
drm_panel.c	drm/panel: Constify device node argument to of_drm_find_panel()	2017-01-04 08:30:37 +01:00
drm_pci.c	drm: remove device_is_agp callback	2017-01-26 10:45:14 +01:00
drm_plane_helper.c	drm/kms-helpers: Use recommened kerneldoc for struct member refs	2017-01-25 16:18:57 +01:00
drm_plane.c	drm/kms-core: Use recommened kerneldoc for struct member refs	2017-01-25 16:30:34 +01:00
drm_platform.c	drm/core: Use recommened kerneldoc for struct member refs	2017-01-25 16:22:42 +01:00
drm_prime.c	drm/prime: Clarify DMA-BUF/GEM Object lifetime	2017-01-27 15:00:26 +01:00
drm_print.c	drm/printer: add debug printer	2016-12-30 11:43:40 +01:00
drm_probe_helper.c	scripts/spelling.txt: add "againt" pattern and fix typo instances	2017-02-27 18:43:47 -08:00
drm_property.c	drm/kms-core: Use recommened kerneldoc for struct member refs	2017-01-25 16:30:34 +01:00
drm_rect.c	drm/rect: Fix formatting of example code	2016-12-30 13:35:54 +01:00
drm_scatter.c
drm_simple_kms_helper.c	drm/doc: use preferred struct reference in kernel-doc	2016-12-30 13:34:59 +01:00
drm_sysfs.c	drm/core: Use recommened kerneldoc for struct member refs	2017-01-25 16:22:42 +01:00
drm_trace_points.c
drm_trace.h
drm_vm.c	drm: remove unnecessary fault wrappers	2017-02-24 17:46:55 -08:00
drm_vma_manager.c	drm: Improve drm_mm search (and fix topdown allocation) with rbtrees	2017-02-03 11:10:32 +01:00
Kconfig	drm: Add DRM support for tiny LCD displays	2017-02-18 18:04:58 +01:00
Makefile	drm: Add DRM support for tiny LCD displays	2017-02-18 18:04:58 +01:00