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f1688bd69ec4b07eda1657ff953daebce7cfabf6
linux/drivers/gpu/drm
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Victor Zhao f1688bd69e drm/amd/amdgpu:save psp ring wptr to avoid attack 
[Why]
When some tools performing psp mailbox attack, the readback value
of register can be a random value which may break psp.

[How]
Use a psp wptr cache machanism to aovid the change made by attack.

v2: unify change and add detailed reason

Signed-off-by: Victor Zhao <Victor.Zhao@amd.com>
Signed-off-by: Jingwen Chen <Jingwen.Chen2@amd.com>
Reviewed-by: Monk Liu <monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-05-27 12:33:52 -04:00
..
amd
drm/amd/amdgpu:save psp ring wptr to avoid attack
2021-05-27 12:33:52 -04:00
arm
drm/arm/malidp: Always list modifiers
2021-05-06 11:43:46 +02:00
armada
drm/aperture: Convert drivers to aperture interfaces
2021-04-14 09:00:04 +02:00
aspeed
drm/gem: Move drm_gem_fb_prepare_fb() to GEM atomic helpers
2021-02-23 08:54:22 +01:00
ast
drm/ast: Remove reference to struct drm_device.pdev
2021-04-29 21:19:10 +02:00
atmel-hlcdc
drm: Use state helper instead of the plane state pointer
2021-02-25 08:05:28 +01:00
bochs
drm/bochs: Add screen blanking support
2021-04-27 14:14:12 +02:00
bridge
drm/bridge: lt9611: Add missing MODULE_DEVICE_TABLE
2021-05-17 10:41:13 +02:00
etnaviv
Merge drm/drm-fixes into drm-next
2021-04-13 23:15:09 +02:00
exynos
Merge drm/drm-next into drm-misc-next
2021-04-26 14:03:09 +02:00
fsl-dcu
drm: Use state helper instead of the plane state pointer
2021-02-25 08:05:28 +01:00
gma500
drm/gma500: update comment of psb_spank()
2021-05-06 14:25:44 +02:00
gud
drm/gud: cleanup coding style a bit
2021-04-27 13:13:19 +02:00
hisilicon
drm/aperture: Convert drivers to aperture interfaces
2021-04-14 09:00:04 +02:00
i2c
Merge tag 'sound-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
2020-08-06 14:27:31 -07:00
i810
drm: Mark AGP implementation and ioctls as legacy
2021-05-10 15:46:58 +02:00
i915
Merge tag 'drm-intel-next-2021-05-19-1' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2021-05-21 08:55:23 +10:00
imx
Merge tag 'imx-drm-next-2021-05-12' of git://git.pengutronix.de/git/pza/linux into drm-next
2021-05-20 10:54:31 +10:00
ingenic
drm/ingenic: Switch IPU plane to type OVERLAY
2021-05-13 13:51:12 +01:00
kmb
drm: fix semicolon.cocci warnings
2021-05-12 11:31:28 +02:00
lib
…
lima
Merge tag 'drm-next-2021-04-28' of git://anongit.freedesktop.org/drm/drm
2021-04-28 10:01:40 -07:00
mcde
drm/mcde/panel: Inverse misunderstood flag
2021-03-04 14:31:06 +01:00
mediatek
Merge tag 'mediatek-drm-next-5.13' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-next
2021-04-08 12:42:14 +10:00
meson
drm/meson: dw-hdmi: disable DW-HDMI CEC sub-driver
2021-04-20 17:22:44 +02:00
mga
drm: Mark AGP implementation and ioctls as legacy
2021-05-10 15:46:58 +02:00
mgag200
drm/format-helper: Pass destination pitch to drm_fb_memcpy_dstclip()
2021-05-01 12:45:03 +02:00
msm
Merge tag 'drm-misc-next-2021-05-12' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2021-05-19 09:22:56 +10:00
mxsfb
drm/mxsfb: Don't select DRM_KMS_FB_HELPER
2021-04-26 12:42:57 +02:00
nouveau
drm/nouveau: Remove invalid reference to struct drm_device.pdev
2021-05-13 14:57:54 +02:00
omapdrm
Merge drm/drm-fixes into drm-next
2021-04-13 23:15:09 +02:00
panel
drm/panel: panel-simple: Cache the EDID as long as we retain power
2021-05-03 13:21:09 -07:00
panfrost
drm/panfrost: Add mt8183-mali compatible string
2021-05-14 16:29:23 +01:00
pl111
Merge tag 'drm-misc-next-2021-03-03' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2021-03-16 17:08:46 +10:00
qxl
drm/qxl: balance dumb_shadow_bo pin
2021-05-12 12:37:47 +02:00
r128
drm: Mark AGP implementation and ioctls as legacy
2021-05-10 15:46:58 +02:00
radeon
drm/radeon: remove the repeated declaration
2021-05-25 23:47:30 -04:00
rcar-du
Merge drm/drm-fixes into drm-next
2021-04-13 23:15:09 +02:00
rockchip
drm/rockchip: Remove unused variable
2021-03-24 09:31:22 +01:00
savage
drm/savage: Remove references to struct drm_device.pdev
2021-05-03 19:48:30 +02:00
scheduler
drm/scheduler: Change scheduled fence track v2
2021-05-05 09:26:36 +02:00
selftests
drm/selftests/test-drm_dp_mst_helper: Move 'sideband_msg_req_encode_decode' onto the heap
2020-11-17 20:08:29 +01:00
shmobile
drm/<drivers>: Constify struct drm_driver
2020-11-06 10:31:26 +01:00
sis
drm/sis: Remove references to struct drm_device.pdev
2021-05-03 19:48:33 +02:00
sti
drm: Use state helper instead of the plane state pointer
2021-02-25 08:05:28 +01:00
stm
drm/stm: Don't set allow_fb_modifiers explicitly
2021-05-06 11:43:50 +02:00
sun4i
drm/aperture: Convert drivers to aperture interfaces
2021-04-14 09:00:04 +02:00
tdfx
drm: Constify drm_driver in drivers that don't modify it
2021-01-05 07:20:36 +02:00
tegra
Merge drm/drm-next into drm-misc-next
2021-05-11 15:59:18 +02:00
tidss
drm: Use state helper instead of the plane state pointer
2021-02-25 08:05:28 +01:00
tilcdc
drm/tilcdc: fix pixel clock setting warning message
2021-03-24 12:05:28 +02:00
tiny
drm: simpledrm: fix a potential NULL dereference
2021-05-15 14:04:42 +02:00
ttm
drm/ttm: fix warning in new sys man
2021-05-04 16:10:10 +02:00
tve200
drm/gem: Move drm_gem_fb_prepare_fb() to GEM atomic helpers
2021-02-23 08:54:22 +01:00
udl
Merge tag 'drm-misc-next-2021-03-03' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2021-03-16 17:08:46 +10:00
v3d
Revert "drm/scheduler: Job timeout handler returns status (v3)"
2021-02-10 15:26:00 +01:00
vboxvideo
drm/aperture: Convert drivers to aperture interfaces
2021-04-14 09:00:04 +02:00
vc4
Merge tag 'drm-misc-next-2021-05-12' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2021-05-19 09:22:56 +10:00
vgem
drm/prime: split array import functions v4
2020-11-30 15:00:45 +01:00
via
drm: Mark AGP implementation and ioctls as legacy
2021-05-10 15:46:58 +02:00
virtio
drm/virtio: Create Dumb BOs as guest Blobs (v3)
2021-04-15 10:55:18 +02:00
vkms
drm/vkms: add overlay support
2021-04-29 18:53:05 -03:00
vmwgfx
drm/vmwgfx: Fix return value check in vmw_setup_pci_resources()
2021-05-14 14:39:14 -04:00
xen
Merge drm/drm-fixes into drm-next
2021-04-13 23:15:09 +02:00
xlnx
drm/dp: Pass drm_dp_aux to drm_dp*_link_train_channel_eq_delay()
2021-04-27 18:43:42 -04:00
zte
drm/zte: Don't select DRM_KMS_FB_HELPER
2021-04-26 12:43:04 +02:00
drm_agpsupport.c
drm: Include <asm/agp.h> iff CONFIG_AGP is set
2021-05-11 14:13:33 +02:00
drm_aperture.c
drm/aperture: Fix missing unlock on error in devm_aperture_acquire()
2021-05-13 15:06:32 +02:00
drm_atomic_helper.c
drm: drm_atomic_helper.c: Correct comments format
2021-04-12 17:57:14 +02:00
drm_atomic_state_helper.c
drm: fix some kernel-doc markups
2020-11-16 20:48:20 +01:00
drm_atomic_uapi.c
drm: drm_atomic_uapi.c: Use tabs for code indents
2021-04-22 10:46:00 +02:00
drm_atomic.c
Merge drm/drm-next into drm-misc-next
2021-04-26 14:03:09 +02:00
drm_auth.c
drm: drm_auth.c: Adjust end of block comment
2021-04-22 10:26:35 +02:00
drm_blend.c
drm: drm_blend.c: Use tabs for code indents
2021-04-22 10:46:35 +02:00
drm_bridge_connector.c
gpu/drm: delete same check in if condition
2020-11-02 14:04:53 +01:00
drm_bridge.c
drm/bridge: Fix the stop condition of drm_bridge_chain_pre_enable()
2021-04-20 08:56:44 -07:00
drm_bufs.c
drm: Mark AGP implementation and ioctls as legacy
2021-05-10 15:46:58 +02:00
drm_cache.c
drm: Include <linux/mem_encrypt.h> in drm_cache.c
2021-01-14 09:42:31 +01:00
drm_client_modeset.c
drm: replace drm_modeset_lock_all() in drm_client_modeset_dpms_legacy()
2021-02-09 17:16:57 +01:00
drm_client.c
drm/client: Depend on GEM object kmap ref-counting
2020-11-24 09:27:54 +01:00
drm_color_mgmt.c
drm: add legacy support for using degamma for gamma
2020-12-15 15:46:03 +02:00
drm_connector.c
drm/connector: Add a helper to attach the colorspace property
2021-05-07 17:14:59 +02:00
drm_context.c
drm: correct function name drm_legacy_ctxbitmap_flush()
2021-05-16 22:01:14 +02:00
drm_crtc_helper_internal.h
drm: remove drm_fb_helper_modinit
2021-02-08 12:20:38 +01:00
drm_crtc_helper.c
…
drm_crtc_internal.h
drm: Introduce plane and CRTC scaling filter properties
2020-10-21 12:19:54 +03:00
drm_crtc.c
drm: Switch to %p4cc format modifier
2021-02-17 12:52:59 +01:00
drm_damage_helper.c
…
drm_debugfs_crc.c
drm/crc-debugfs: Fix memleak in crc_control_write
2020-09-01 09:45:44 +02:00
drm_debugfs.c
…
drm_displayid.c
drm/displayid: rename displayid_hdr to displayid_header
2021-03-31 15:42:39 +03:00
drm_dma.c
drm: remove usage of drm_pci_alloc/free
2021-04-26 18:19:15 +02:00
drm_dp_aux_dev.c
drm/dp: Add backpointer to drm_device in drm_dp_aux
2021-04-27 18:43:42 -04:00
drm_dp_cec.c
…
drm_dp_dual_mode_helper.c
drm/dp_dual_mode: Convert drm_dp_dual_mode_helper.c to using drm_err/drm_dbg_kms()
2021-04-27 18:43:45 -04:00
drm_dp_helper.c
drm/dp: Fix bogus DPCD version check in drm_dp_read_downstream_info()
2021-05-10 16:26:07 -04:00
drm_dp_mst_topology_internal.h
…
drm_dp_mst_topology.c
drm/dp_mst: Use Extended Base Receiver Capability DPCD space
2021-04-29 19:11:27 -04:00
drm_drv.c
drm: Mark PCI AGP helpers as legacy
2021-05-10 15:46:54 +02:00
drm_dsc.c
drm/dsc: add helper for calculating rc buffer size from DPCD
2020-12-10 10:49:47 +02:00
drm_dumb_buffers.c
drm: Don't export the drm_gem_dumb_destroy() function
2021-01-05 07:20:25 +02:00
drm_edid_load.c
…
drm_edid.c
drm/edid: use the new displayid iterator for tile info
2021-03-31 15:42:02 +03:00
drm_encoder_slave.c
…
drm_encoder.c
drm: add drmm_encoder_alloc()
2021-01-04 12:59:33 +01:00
drm_fb_cma_helper.c
…
drm_fb_helper.c
drm/fb-helper: only unmap if buffer not null
2021-03-11 11:08:14 +01:00
drm_file.c
drm/drm_file.c: Define drm_send_event_helper() as 'static'
2021-04-27 14:23:12 +02:00
drm_flip_work.c
…
drm_format_helper.c
drm/format-helper: Add blitter functions
2021-05-01 12:45:03 +02:00
drm_fourcc.c
drm/fourcc: Add AXBXGXRX106106106106 format
2020-10-20 20:51:42 +01:00
drm_framebuffer.c
drm: Switch to %p4cc format modifier
2021-02-17 12:52:59 +01:00
drm_gem_atomic_helper.c
drm/gem: Move drm_gem_fb_prepare_fb() to GEM atomic helpers
2021-02-23 08:54:22 +01:00
drm_gem_cma_helper.c
drm/cma-helper: Implement mmap as GEM CMA object functions
2020-11-30 13:38:27 +01:00
drm_gem_framebuffer_helper.c
drm/gem: Move drm_gem_fb_prepare_fb() to GEM atomic helpers
2021-02-23 08:54:22 +01:00
drm_gem_shmem_helper.c
drm/shmem-helpers: vunmap: Don't put pages for dma-buf
2021-03-11 11:11:33 +01:00
drm_gem_ttm_helper.c
drm/gem-ttm-helper: Provide helper for struct drm_driver.dumb_map_offset
2021-04-11 20:14:45 +02:00
drm_gem_vram_helper.c
drm/vram-helper: Use drm_gem_ttm_dumb_map_offset()
2021-04-11 20:15:06 +02:00
drm_gem.c
drm/gem: Export drm_gem_vmap() and drm_gem_vunmap()
2021-02-08 13:00:06 +01:00
drm_hashtab.c
…
drm_hdcp.c
…
drm_internal.h
drm: Mark PCI AGP helpers as legacy
2021-05-10 15:46:54 +02:00
drm_ioc32.c
drm: Mark AGP implementation and ioctls as legacy
2021-05-10 15:46:58 +02:00
drm_ioctl.c
drm: Mark AGP implementation and ioctls as legacy
2021-05-10 15:46:58 +02:00
drm_irq.c
drm: Upcast struct drm_device.dev to struct pci_device; replace pdev
2021-01-19 09:06:38 +01:00
drm_kms_helper_common.c
drm: remove drm_fb_helper_modinit
2021-02-08 12:20:38 +01:00
drm_lease.c
…
drm_legacy_misc.c
drm: Mark AGP implementation and ioctls as legacy
2021-05-10 15:46:58 +02:00
drm_legacy.h
drm: Mark AGP implementation and ioctls as legacy
2021-05-10 15:46:58 +02:00
drm_lock.c
…
drm_managed.c
drm/dev: Remove drm_dev_init
2020-09-21 10:45:08 +02:00
drm_memory.c
drm: Mark AGP implementation and ioctls as legacy
2021-05-10 15:46:58 +02:00
drm_mipi_dbi.c
drm: Switch to %p4cc format modifier
2021-02-17 12:52:59 +01:00
drm_mipi_dsi.c
…
drm_mm.c
…
drm_mode_config.c
Merge tag 'drm-misc-next-2021-01-06' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2021-01-07 13:40:20 +01:00
drm_mode_object.c
drm: fix some kernel-doc markups
2020-11-16 20:48:20 +01:00
drm_modes.c
Merge drm/drm-next into drm-misc-next
2021-05-11 15:59:18 +02:00
drm_modeset_helper.c
…
drm_modeset_lock.c
…
drm_of.c
Merge tag 'v5.8' into drm-next
2020-08-11 11:58:31 +10:00
drm_panel_orientation_quirks.c
drm: Added orientation quirk for OneGX1 Pro
2021-01-20 22:33:01 +01:00
drm_panel.c
drm/panel: Add helper for reading DT rotation
2020-08-16 17:12:18 +02:00
drm_pci.c
drm: Mark AGP implementation and ioctls as legacy
2021-05-10 15:46:58 +02:00
drm_plane_helper.c
…
drm_plane.c
drm/modifiers: Enforce consistency between the cap an IN_FORMATS
2021-05-12 11:31:29 +02:00
drm_prime.c
drm: Set vm_ops to GEM object's values during mmap
2021-01-18 10:37:26 +01:00
drm_print.c
…
drm_probe_helper.c
drm/probe-helper: Check epoch counter in output_poll_execute()
2021-03-16 12:45:52 +01:00
drm_property.c
drm: Few typo fixes
2021-03-18 14:22:50 +01:00
drm_rect.c
…
drm_scatter.c
…
drm_scdc_helper.c
drm: fix some kernel-doc markups
2020-11-16 20:48:20 +01:00
drm_self_refresh_helper.c
…
drm_simple_kms_helper.c
drm/atomic: Pass the full state to planes atomic disable and update
2021-02-25 08:05:28 +01:00
drm_syncobj.c
drm/syncobj: use newly allocated stub fences
2021-04-08 12:21:13 +02:00
drm_sysfs.c
drm/sysfs: Convert sysfs sprintf/snprintf family to sysfs_emit
2021-03-23 07:41:39 -04:00
drm_trace_points.c
…
drm_trace.h
…
drm_vblank_work.c
Merge tag 'sched-fifo-2020-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-08-06 11:55:43 -07:00
drm_vblank.c
drm/vblank: Do not store a new vblank timestamp in drm_vblank_restore()
2021-04-01 20:29:17 +03:00
drm_vm.c
drm: Mark AGP implementation and ioctls as legacy
2021-05-10 15:46:58 +02:00
drm_vma_manager.c
…
drm_writeback.c
…
Kconfig
drm: Remove DRM_KMS_FB_HELPER Kconfig option
2021-04-26 12:43:20 +02:00
Makefile
drm: Mark AGP implementation and ioctls as legacy
2021-05-10 15:46:58 +02:00