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linux/drivers/gpu/drm
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Ville Syrjälä 2b94c23eaf drm/i915: Avoid div-by-zero on gen2 
commit 4819d16d91145966ce03818a95169df1fd56b299 upstream.

Gen2 tiles are 2KiB in size so i915_gem_object_get_tile_row_size()
can in fact return <4KiB, which leads to div-by-zero here.
Avoid that.

Not sure i915_gem_object_get_tile_row_size() is entirely
sane anyway since it doesn't account for the different tile
layouts on i8xx/i915...

I'm not able to hit this before commit 6846895fde05 ("drm/i915:
Replace PIN_NONFAULT with calls to PIN_NOEVICT") and it looks
like I also need to run recent version of Mesa. With those in
place xonotic trips on this quite easily on my 85x.

Cc: stable@vger.kernel.org
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210421153401.13847-2-ville.syrjala@linux.intel.com
(cherry picked from commit ed52c62d386f764194e0184fdb905d5f24194cae)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-05-19 10:08:29 +02:00
..
amd
drm/amd/display: fixed divide by zero kernel crash during dsc enablement
2021-05-19 10:08:23 +02:00
arc
drm/arc: Drop drm_gem_prime_export/import
2019-06-21 20:02:10 +02:00
arm
drm/arm: fix unintentional integer overflow on left shift
2020-08-19 08:16:07 +02:00
armada
drm/armada: drop use of drmP.h
2019-08-14 18:31:10 +02:00
aspeed
drm/aspeed: Fix Kconfig warning & subsequent build errors
2020-12-30 11:51:01 +01:00
ast
drm main pull for 5.4-rc1
2019-09-19 16:24:24 -07:00
atmel-hlcdc
drm: atmel-hlcdc: prefer a lower pixel-clock than requested
2020-02-11 04:35:36 -08:00
bochs
drm/drm_fb_helper: fix fbdev with sparc64
2020-08-11 15:33:37 +02:00
bridge
drm/bridge/synopsys: dsi: add support for non-continuous HS clock
2020-11-05 11:43:16 +01:00
cirrus
drm/prime: Actually remove DRIVER_PRIME everywhere
2019-06-21 17:30:32 +02:00
etnaviv
drm/etnaviv: fix TS cache flushing on GPUs with BLT engine
2020-09-05 11:22:50 +02:00
exynos
drm/exynos: dsi: Remove bridge node reference in error handling path in probe function
2020-10-01 13:18:01 +02:00
fsl-dcu
drm/fsl-dcu: fix opencoded use of drm_panel_*
2019-08-10 15:41:48 +02:00
gma500
gma500: clean up error handling in init
2021-03-04 10:26:19 +01:00
hisilicon
drm/hisilicon: Fix use-after-free
2021-03-07 12:20:45 +01:00
i2c
drm/i2c/tda998x: drop use of drmP.h
2019-08-14 18:30:52 +02:00
i810
drm/i810: Prevent underflow in ioctl
2019-12-13 08:42:56 +01:00
i915
drm/i915: Avoid div-by-zero on gen2
2021-05-19 10:08:29 +02:00
imx
drm/imx: imx-ldb: fix out of bounds array access warning
2021-04-16 11:46:37 +02:00
ingenic
drm/ingenic: Fix incorrect assumption about plane->index
2020-09-03 11:26:52 +02:00
lib
…
lima
drm main pull for 5.4-rc1
2019-09-19 16:24:24 -07:00
mcde
drm/mcde: Fix handling of platform_get_irq() error
2020-12-30 11:51:01 +01:00
mediatek
drm/mediatek: avoid dereferencing a null hdmi_phy on an error message
2020-12-30 11:51:21 +01:00
meson
drm: meson_drv add shutdown function
2021-03-17 17:03:39 +01:00
mga
drm/mga: drop use of drmP.h
2019-06-30 09:48:05 +02:00
mgag200
drm/mgag200: Flag all G200 SE A machines as broken wrt <startadd>
2019-12-21 11:04:54 +01:00
msm
drm/msm/mdp5: Do not multiply vclk line count by 100
2021-05-11 14:04:12 +02:00
mxsfb
drm: mxsfb: check framebuffer pitch
2020-10-29 09:57:40 +01:00
nouveau
drm/nouveau/kms: handle mDP connectors
2021-03-04 10:26:43 +01:00
omapdrm
drm/omap: dmm_tiler: fix return error code in omap_dmm_probe()
2020-12-30 11:51:09 +01:00
panel
drm: panel: Fix bpc for OrtusTech COM43H4M85ULC panel
2020-10-29 09:57:37 +01:00
panfrost
drm/panfrost: Don't try to map pages that are already mapped
2021-05-14 09:44:13 +02:00
pl111
drm/pl111: Support grayscale
2019-08-09 09:15:05 +02:00
qxl
drm/qxl: release shadow on shutdown
2021-05-11 14:04:08 +02:00
r128
drm/r128: drop use of drmP.h
2019-07-17 12:52:55 +02:00
radeon
drm/radeon/dpm: Disable sclk switching on Oland when two 4K 60Hz monitors are connected
2021-05-19 10:08:29 +02:00
rcar-du
drm: rcar-du: Fix build error
2020-06-30 15:37:11 -04:00
rockchip
drm/bridge: analogix_dp: Split bind() into probe() and real bind()
2020-05-10 10:31:22 +02:00
savage
drm/savage: drop use of drmP.h
2019-06-05 20:31:04 +02:00
scheduler
drm/sched: Cancel and flush all outstanding jobs before finish.
2021-03-04 10:26:43 +01:00
selftests
drm/modes: Make sure to parse valid rotation value from cmdline
2020-03-12 13:00:11 +01:00
shmobile
drm/shmobile: drop use of drmP.h
2019-07-15 18:11:31 +02:00
sis
drm/sis: drop drmP.h use
2019-06-05 20:29:57 +02:00
sti
drm/sti: fix opencoded use of drm_panel_*
2019-08-07 13:54:17 +02:00
stm
drm/stm: repair runtime power management
2020-08-19 08:16:11 +02:00
sun4i
drm/sun4i: tcon: fix inverted DCLK polarity
2021-03-04 10:26:21 +01:00
tdfx
drm/tdfx: drop use of drmP.h
2019-07-17 12:52:55 +02:00
tegra
drm/tegra: dc: Don't set PLL clock to 0Hz
2021-04-16 11:46:37 +02:00
tilcdc
drm/tilcdc: fix leak & null ref in panel_connector_get_modes
2020-08-19 08:15:59 +02:00
tiny
drm/tiny: Kconfig: Remove always-y THERMAL dep. from TINYDRM_REPAPER
2019-10-10 15:15:51 +02:00
ttm
drm/ttm: fix eviction valuable range check.
2020-11-05 11:43:35 +01:00
tve200
drm/tve200: Fix handling of platform_get_irq() error
2020-12-30 11:51:01 +01:00
udl
drm/udl: drop use of drmP.h
2019-07-17 12:52:55 +02:00
v3d
drm/v3d: Fix memory leak in v3d_submit_cl_ioctl
2019-10-23 20:57:05 +02:00
vboxvideo
drm/vboxvideo: Make structure vbox_fb_helper_funcs constant
2019-08-18 12:52:52 +02:00
vc4
drm/vc4: hvs: Fix buffer overflow with the dlist handling
2021-02-17 10:35:16 +01:00
vgem
drm/vgem: Replace opencoded version of drm_gem_dumb_map_offset()
2020-08-26 10:40:47 +02:00
via
drivers/gpu/drm/via: convert put_page() to put_user_page*()
2019-09-24 15:54:08 -07:00
virtio
drm/virtio: use kvmalloc for large allocations
2021-03-07 12:20:43 +01:00
vkms
drm/vkms: fix misuse of WARN_ON
2021-05-11 14:04:10 +02:00
vmwgfx
drm/vmwgfx: Fix two list_for_each loop exit tests
2020-08-21 13:05:36 +02:00
xen
drm/xen-front: Fix misused IS_ERR_OR_NULL checks
2020-09-03 11:26:50 +02:00
zte
Linus 5.3-rc1
2019-07-22 21:24:10 +02:00
ati_pcigart.c
drm/ati_pcigart: drop dependency on drm_os_linux.h
2019-07-19 23:24:16 +02:00
drm_agpsupport.c
gpu/drm: fix a few kernel-doc "/**" mark warnings
2019-07-16 11:25:02 +02:00
drm_atomic_helper.c
drm/atomic: put state on error path
2021-01-27 11:47:42 +01:00
drm_atomic_state_helper.c
drm/atomic: Rename crtc_state->pageflip_flags to async_flip
2019-09-18 18:43:36 +02:00
drm_atomic_uapi.c
drm/atomic: Reject FLIP_ASYNC unconditionally
2019-09-18 18:42:57 +02:00
drm_atomic.c
drm: Free the writeback_job when it with an empty fb
2019-09-23 15:31:53 +08:00
drm_auth.c
…
drm_blend.c
…
drm_bridge.c
drm: Add atomic variants for bridge enable/disable
2019-06-13 13:00:29 -04:00
drm_bufs.c
drm main pull request for v5.3-rc1 (sans mm changes)
2019-07-15 19:04:27 -07:00
drm_cache.c
…
drm_client_modeset.c
Revert "drm/fbdev: Fallback to non tiled mode if all tiles not present"
2020-03-25 08:25:50 +01:00
drm_client.c
drm/fb-helper: Map DRM client buffer only when required
2019-08-01 15:01:29 +02:00
drm_color_mgmt.c
…
drm_connector.c
drm/connector: notify userspace on hotplug after register complete
2020-06-24 17:50:50 +02:00
drm_context.c
…
drm_crtc_helper_internal.h
…
drm_crtc_helper.c
drm: Remove bridge support from legacy helpers
2019-08-16 15:50:27 +03:00
drm_crtc_internal.h
drm/atomic: Move __drm_atomic_helper_disable_plane/set_config()
2019-06-08 16:46:37 +02:00
drm_crtc.c
drm: no need to check return value of debugfs_create functions
2019-06-13 16:39:16 +02:00
drm_damage_helper.c
drm: damage_helper: Fix race checking plane->state->fb
2019-12-13 08:42:55 +01:00
drm_debugfs_crc.c
drm/crc-debugfs: Fix memleak in crc_control_write
2020-10-29 09:57:37 +01:00
drm_debugfs.c
drm/debugfs: fix plain echo to connector "force" attribute
2020-08-19 08:16:02 +02:00
drm_dma.c
gpu/drm: fix a few kernel-doc "/**" mark warnings
2019-07-16 11:25:02 +02:00
drm_dp_aux_dev.c
drm/dp_aux_dev: check aux_dev before use in drm_dp_aux_dev_get_by_minor()
2020-12-30 11:51:41 +01:00
drm_dp_cec.c
…
drm_dp_dual_mode_helper.c
…
drm_dp_helper.c
drm: Make the bw/link rate calculations more forgiving
2019-07-17 12:45:30 -04:00
drm_dp_mst_topology.c
drm: fix drm_dp_mst_port refcount leaks in drm_dp_mst_allocate_vcpi
2020-08-21 13:05:39 +02:00
drm_drv.c
drm/kms: Duct-tape for mode object lifetime checks
2019-09-18 11:27:18 +02:00
drm_dsc.c
…
drm_dumb_buffers.c
Revert "drm/gem: Rename drm_gem_dumb_map_offset() to drm_gem_map_offset()"
2019-08-07 11:56:48 -04:00
drm_edid_load.c
…
drm_edid.c
drm/edid: Add Oculus Rift S to non-desktop list
2020-06-07 13:18:51 +02:00
drm_encoder_slave.c
drm: encoder_slave: fix refcouting error for modules
2020-06-24 17:50:47 +02:00
drm_encoder.c
…
drm_fb_cma_helper.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
drm_fb_helper.c
drm/fb-helper: Add missed unlocks in setcmap_legacy()
2021-03-04 10:26:19 +01:00
drm_file.c
drm/prime: Unconditionally set up the prime file private
2019-06-21 11:48:09 +02:00
drm_flip_work.c
…
drm_format_helper.c
…
drm_fourcc.c
…
drm_framebuffer.c
drm: silence variable 'conn' set but not used
2019-07-22 16:04:53 -04:00
drm_gem_cma_helper.c
Linux 5.2-rc5
2019-06-19 12:07:29 +02:00
drm_gem_framebuffer_helper.c
dma-buf: rename reservation_object to dma_resv
2019-08-13 09:09:30 +02:00
drm_gem_shmem_helper.c
drm/shmem-helper: Don't remove the offset in vm_area_struct pgoff
2021-03-17 17:03:38 +01:00
drm_gem_vram_helper.c
drm/ttm: use gem vma_node
2019-08-06 08:21:54 +02:00
drm_gem.c
drm/gem: Fix a leak in drm_gem_objects_lookup()
2020-08-19 08:16:05 +02:00
drm_hashtab.c
…
drm_hdcp.c
drm/hdcp: reference for srm file format
2019-08-06 13:18:42 +05:30
drm_internal.h
drm/gem: Unexport drm_gem_(un)pin/v(un)map
2019-06-17 17:37:01 +02:00
drm_ioc32.c
drm/compat: Clear bounce structures
2021-03-17 17:03:38 +01:00
drm_ioctl.c
drm/atomic: Take the atomic toys away from X
2019-09-18 18:42:21 +02:00
drm_irq.c
…
drm_kms_helper_common.c
drm: fix module name in edid_firmware log message
2019-08-22 10:41:06 +03:00
drm_lease.c
drm/lease: fix WARNING in idr_destroy
2020-03-25 08:25:56 +01:00
drm_legacy_misc.c
gpu/drm: fix a few kernel-doc "/**" mark warnings
2019-07-16 11:25:02 +02:00
drm_legacy.h
…
drm_lock.c
gpu/drm: fix a few kernel-doc "/**" mark warnings
2019-07-16 11:25:02 +02:00
drm_memory.c
gpu/drm: fix a few kernel-doc "/**" mark warnings
2019-07-16 11:25:02 +02:00
drm_mipi_dbi.c
drm/dbi: Fix SPI Type 1 (9-bit) transfer
2020-08-05 09:59:44 +02:00
drm_mipi_dsi.c
drm/mipi: use dcs write for mipi_dsi_dcs_set_tear_scanline
2020-08-19 08:16:08 +02:00
drm_mm.c
drm: Allow range of 0 for drm_mm_insert_node_in_range()
2019-06-26 21:13:12 +01:00
drm_mode_config.c
…
drm_mode_object.c
drm/kms: Duct-tape for mode object lifetime checks
2019-09-18 11:27:18 +02:00
drm_modes.c
drm/modes: Make sure to parse valid rotation value from cmdline
2020-03-12 13:00:11 +01:00
drm_modeset_helper.c
…
drm_modeset_lock.c
docs conversion for v5.3-rc1
2019-07-16 12:21:41 -07:00
drm_of.c
…
drm_panel_orientation_quirks.c
drm: Added orientation quirk for OneGX1 Pro
2021-05-11 14:04:07 +02:00
drm_panel.c
drm/panel: drop return code from drm_panel_detach()
2019-08-10 15:41:48 +02:00
drm_pci.c
drm: Remove PageReserved manipulation from drm_pci_alloc
2020-04-17 10:50:20 +02:00
drm_plane_helper.c
…
drm_plane.c
…
drm_prime.c
drm/prime: Ditch gem_prime_res_obj hook
2019-07-31 10:19:23 +02:00
drm_print.c
…
drm_probe_helper.c
Linux 5.2-rc5
2019-06-19 12:07:29 +02:00
drm_property.c
drm: limit to INT_MAX in create_blob ioctl
2020-01-04 19:18:43 +01:00
drm_rect.c
drm/rect: Avoid division by zero
2020-02-11 04:35:36 -08:00
drm_scatter.c
gpu/drm: fix a few kernel-doc "/**" mark warnings
2019-07-16 11:25:02 +02:00
drm_scdc_helper.c
…
drm_self_refresh_helper.c
drm/atomic: fix self-refresh helpers crtc state dereference
2019-11-06 13:00:21 -05:00
drm_simple_kms_helper.c
Linux 5.2-rc5
2019-06-19 12:07:29 +02:00
drm_syncobj.c
drm/syncobj: Fix use-after-free
2021-01-27 11:47:42 +01:00
drm_sysfs.c
drm/connector: notify userspace on hotplug after register complete
2020-06-24 17:50:50 +02:00
drm_trace_points.c
…
drm_trace.h
…
drm_vblank.c
drm/drm_vblank: Change EINVAL by the correct errno
2019-12-31 16:43:50 +01:00
drm_vm.c
gpu/drm: fix a few kernel-doc "/**" mark warnings
2019-07-16 11:25:02 +02:00
drm_vma_manager.c
…
drm_vram_helper_common.c
…
drm_vram_mm_helper.c
…
drm_writeback.c
drm: Clear the fence pointer when writeback job signaled
2019-09-23 15:32:53 +08:00
Kconfig
drm/radeon: fix AGP dependency
2021-03-30 14:35:22 +02:00
Makefile
drm/amd: remove meaningless descending into amd/amdkfd/
2019-08-27 10:09:12 -05:00