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TencentOS-kernel/drivers/gpu/drm
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Chris Wilson 11d220f77a drm/i915/gem: Flush coherency domains on first set-domain-ioctl 
[ Upstream commit 59dd13ad310793757e34afa489dd6fc8544fc3da ]

Avoid skipping what appears to be a no-op set-domain-ioctl if the cache
coherency state is inconsistent with our target domain. This also has
the utility of using the population of the pages to validate the backing
store.

The danger in skipping the first set-domain is leaving the cache
inconsistent and submitting stale data, or worse leaving the clean data
in the cache and not flushing it to the GPU. The impact should be small
as it requires a no-op set-domain as the very first ioctl in a
particular sequence not found in typical userspace.

Reported-by: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
Fixes: 754a25442705 ("drm/i915: Skip object locking around a no-op set-domain ioctl")
Testcase: igt/gem_mmap_offset/blt-coherency
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Matthew Auld <matthew.william.auld@gmail.com>
Cc: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
Cc: <stable@vger.kernel.org> # v5.2+
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201019203825.10966-1-chris@chris-wilson.co.uk
(cherry picked from commit 44c2200afcd59f441b43f27829b4003397cc495d)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2021-03-16 16:40:32 +08:00
..
amd drm/amdgpu: add DID for navi10 blockchain SKU 2021-03-16 16:40:25 +08:00
arc Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
arm drm/arm: fix unintentional integer overflow on left shift 2021-03-16 16:33:29 +08:00
armada Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
aspeed Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
ast Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
atmel-hlcdc Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
bochs drm/drm_fb_helper: fix fbdev with sparc64 2021-03-16 16:33:06 +08:00
bridge drm/bridge/synopsys: dsi: add support for non-continuous HS clock 2021-03-16 16:39:45 +08:00
cirrus Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
etnaviv drm/etnaviv: fix TS cache flushing on GPUs with BLT engine 2021-03-16 16:35:21 +08:00
exynos drm/exynos: dsi: Remove bridge node reference in error handling path in probe function 2021-03-16 16:37:18 +08:00
fsl-dcu Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
gma500 drm/gma500: fix error check 2021-03-16 16:38:33 +08:00
hisilicon Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
i2c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
i810 Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
i915 drm/i915/gem: Flush coherency domains on first set-domain-ioctl 2021-03-16 16:40:32 +08:00
imx drm/imx: imx-ldb: Disable both channels for split mode in enc->disable() 2021-03-16 16:34:10 +08:00
ingenic drm/ingenic: Fix incorrect assumption about plane->index 2021-03-16 16:34:57 +08:00
lib Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
lima Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
mcde drm/mcde: Handle pending vblank while disabling display 2021-03-16 16:36:45 +08:00
mediatek drm/mediatek: Add missing put_device() call in mtk_hdmi_dt_parse_pdata() 2021-03-16 16:36:18 +08:00
meson Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
mga Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
mgag200 Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
msm drm/msm/a6xx: fix a potential overflow issue 2021-03-16 16:39:20 +08:00
mxsfb drm: mxsfb: check framebuffer pitch 2021-03-16 16:38:39 +08:00
nouveau drm/nouveau/gem: fix "refcount_t: underflow; use-after-free" 2021-03-16 16:40:27 +08:00
omapdrm drm/omap: dss: Cleanup DSS ports on initialisation failure 2021-03-16 16:36:55 +08:00
panel drm: panel: Fix bpc for OrtusTech COM43H4M85ULC panel 2021-03-16 16:38:35 +08:00
panfrost drm/panfrost: Fix a deadlock between the shrinker and madvise path 2021-03-16 16:40:30 +08:00
pl111 Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
qxl drm/qxl: Use correct notify port address when creating cursor ring 2021-03-16 16:30:40 +08:00
r128 Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
radeon PCI: Use ioremap(), not phys_to_virt() for platform ROM 2021-03-16 16:37:08 +08:00
rcar-du drm: rcar-du: Fix build error 2021-03-16 16:31:11 +08:00
rockchip drm/bridge: analogix_dp: Split bind() into probe() and real bind() 2021-03-16 16:27:24 +08:00
savage Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
scheduler drm/scheduler: Avoid accessing freed bad job. 2021-03-16 16:36:45 +08:00
selftests Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
shmobile Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
sis Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
sti Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
stm drm/stm: repair runtime power management 2021-03-16 16:33:33 +08:00
sun4i drm/sun4i: frontend: Fix the scaler phase on A33 2021-03-16 16:40:25 +08:00
tdfx Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
tegra drm/tegra: hub: Do not enable orphaned window group 2021-03-16 16:31:25 +08:00
tilcdc drm/tilcdc: fix leak & null ref in panel_connector_get_modes 2021-03-16 16:33:19 +08:00
tiny Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
ttm drm/ttm: fix eviction valuable range check. 2021-03-16 16:40:12 +08:00
tve200 drm/tve200: Stabilize enable/disable 2021-03-16 16:36:05 +08:00
udl Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
v3d Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
vboxvideo Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
vc4 drm/vc4: drv: Add error handding for bind 2021-03-16 16:40:26 +08:00
vgem drm/vgem: Replace opencoded version of drm_gem_dumb_map_offset() 2021-03-16 16:34:25 +08:00
via Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
virtio Fix use after free in get_capset_info callback. 2021-03-16 16:39:22 +08:00
vkms drm/vkms: fix xrgb on compute crc 2021-03-16 16:38:30 +08:00
vmwgfx drm/vmwgfx: Fix two list_for_each loop exit tests 2021-03-16 16:34:20 +08:00
xen drm/xen-front: Fix misused IS_ERR_OR_NULL checks 2021-03-16 16:34:56 +08:00
zte Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
Kconfig Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
Makefile Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
ati_pcigart.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_agpsupport.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_atomic.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_atomic_helper.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_atomic_state_helper.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_atomic_uapi.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_auth.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_blend.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_bridge.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_bufs.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_cache.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_client.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_client_modeset.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_color_mgmt.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_connector.c drm/connector: notify userspace on hotplug after register complete 2021-03-16 16:30:42 +08:00
drm_context.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_crtc.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_crtc_helper.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_crtc_helper_internal.h Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_crtc_internal.h Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_damage_helper.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_debugfs.c drm/debugfs: fix plain echo to connector "force" attribute 2021-03-16 16:33:23 +08:00
drm_debugfs_crc.c drm/crc-debugfs: Fix memleak in crc_control_write 2021-03-16 16:38:35 +08:00
drm_dma.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_dp_aux_dev.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_dp_cec.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_dp_dual_mode_helper.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_dp_helper.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_dp_mst_topology.c drm: fix drm_dp_mst_port refcount leaks in drm_dp_mst_allocate_vcpi 2021-03-16 16:34:23 +08:00
drm_drv.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_dsc.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_dumb_buffers.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_edid.c drm/edid: Add Oculus Rift S to non-desktop list 2021-03-16 16:28:47 +08:00
drm_edid_load.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_encoder.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_encoder_slave.c drm: encoder_slave: fix refcouting error for modules 2021-03-16 16:30:39 +08:00
drm_fb_cma_helper.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_fb_helper.c drm/drm_fb_helper: fix fbdev with sparc64 2021-03-16 16:33:06 +08:00
drm_file.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_flip_work.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_format_helper.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_fourcc.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_framebuffer.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_gem.c drm/gem: Fix a leak in drm_gem_objects_lookup() 2021-03-16 16:33:27 +08:00
drm_gem_cma_helper.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_gem_framebuffer_helper.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_gem_shmem_helper.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_gem_vram_helper.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_hashtab.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_hdcp.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_internal.h Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_ioc32.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_ioctl.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_irq.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_kms_helper_common.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_lease.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_legacy.h Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_legacy_misc.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_lock.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_memory.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_mipi_dbi.c drm/dbi: Fix SPI Type 1 (9-bit) transfer 2021-03-16 16:32:48 +08:00
drm_mipi_dsi.c drm/mipi: use dcs write for mipi_dsi_dcs_set_tear_scanline 2021-03-16 16:33:31 +08:00
drm_mm.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_mode_config.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_mode_object.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_modes.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_modeset_helper.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_modeset_lock.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_of.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_panel.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_panel_orientation_quirks.c drm: Added orientation quirk for ASUS tablet model T103HAF 2021-03-16 16:34:23 +08:00
drm_pci.c drm: Remove PageReserved manipulation from drm_pci_alloc 2021-03-16 16:26:13 +08:00
drm_plane.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_plane_helper.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_prime.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_print.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_probe_helper.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_property.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_rect.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_scatter.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_scdc_helper.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_self_refresh_helper.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_simple_kms_helper.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_syncobj.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_sysfs.c drm/connector: notify userspace on hotplug after register complete 2021-03-16 16:30:42 +08:00
drm_trace.h Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_trace_points.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_vblank.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_vm.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_vma_manager.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_vram_helper_common.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_vram_mm_helper.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drm_writeback.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00