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faa0fcf943
mirror_ubuntu-kernels/drivers/gpu/drm
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James Jones faa0fcf943 drm/nouveau: Accept 'legacy' format modifiers 
Accept the DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK()
family of modifiers to handle broken userspace
Xorg modesetting and Mesa drivers. Existing Mesa
drivers are still aware of only these older
format modifiers which do not differentiate
between different variations of the block linear
layout. When the format modifier support flag was
flipped in the nouveau kernel driver, the X.org
modesetting driver began attempting to use its
format modifier-enabled framebuffer path. Because
the set of format modifiers advertised by the
kernel prior to this change do not intersect with
the set of format modifiers advertised by Mesa,
allocating GBM buffers using format modifiers
fails and the modesetting driver falls back to
non-modifier allocation. However, it still later
queries the modifier of the GBM buffer when
creating its DRM-KMS framebuffer object, receives
the old-format modifier from Mesa, and attempts
to create a framebuffer with it. Since the kernel
is still not aware of these formats, this fails.

Userspace should not be attempting to query format
modifiers of GBM buffers allocated with a non-
format-modifier-aware allocation path, but to
avoid breaking existing userspace behavior, this
change accepts the old-style format modifiers when
creating framebuffers and applying them to planes
by translating them to the equivalent new-style
modifier. To accomplish this, some layout
parameters must be assumed to match properties of
the device targeted by the relevant ioctls. To
avoid perpetuating misuse of the old-style
modifiers, this change does not advertise support
for them. Doing so would imply compatibility
between devices with incompatible memory layouts.

Tested with Xorg 1.20 modesetting driver,
weston@c46c70dac84a4b3030cd05b380f9f410536690fc,
gnome & KDE wayland desktops from Ubuntu 18.04,
and sway 1.5

Reported-by: Kirill A. Shutemov <kirill@shutemov.name>
Fixes: fa4f4c213f ("drm/nouveau/kms: Support NVIDIA format modifiers")
Link: https://lkml.org/lkml/2020/6/30/1251
Signed-off-by: James Jones <jajones@nvidia.com>
Acked-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2020-07-31 12:24:51 +10:00
..
amd drm/amdgpu: Fix NULL dereference in dpm sysfs handlers 2020-07-21 16:00:01 -04:00
arc drm: convert .debugfs_init() hook to return void. 2020-03-18 17:53:28 +01:00
arm drm/komeda: use devm_drm_dev_alloc 2020-04-28 16:04:00 +02:00
armada drm pull for 5.8-rc1 2020-06-02 15:04:15 -07:00
aspeed drm/aspeed: Call drm_fbdev_generic_setup after drm_dev_register 2020-07-09 09:06:39 +02:00
ast drm/ast: fix missing break in switch statement for format->cpp[0] case 4 2020-06-11 09:05:31 +02:00
atmel-hlcdc drm/atmel-hlcdc: Use simple encoder 2020-04-02 14:16:44 +02:00
bochs drm/drm_fb_helper: fix fbdev with sparc64 2020-07-27 16:47:46 +02:00
bridge drm/bridge: nwl-dsi: Drop DRM_BRIDGE_ATTACH_NO_CONNECTOR check. 2020-07-26 19:02:29 +02:00
etnaviv mmap locking API: rename mmap_sem to mmap_lock 2020-06-09 09:39:14 -07:00
exynos drm/exynos: fix ref count leak in mic_pre_enable 2020-06-29 09:38:41 +09:00
fsl-dcu drm/fsl-dcu: Use simple encoder 2020-04-02 14:16:44 +02:00
gma500 drm/gma500: Remove dead code 2020-04-21 09:02:29 +02:00
hisilicon drm/hisilicon/hibmc: Move drm_fbdev_generic_setup() down to avoid the splat 2020-07-08 09:08:22 +00:00
i2c drm/i2c/tda998x: Make tda998x_audio_digital_mute static 2020-05-09 23:06:07 +02:00
i810 drm/i810: Don't include <drm/drm_pci.h> 2019-12-05 08:44:12 +01:00
i915 drm/i915: Recalculate FBC w/a stride when needed 2020-07-14 20:31:45 +03:00
imx drm/imx: Use simple encoder 2020-04-02 14:16:44 +02:00
ingenic drm pull for 5.8-rc1 2020-06-02 15:04:15 -07:00
lib
lima drm/lima: fix wait pp reset timeout 2020-07-20 08:46:06 +08:00
mcde drm/mcde: Fix stability issue 2020-07-26 21:41:59 +02:00
mediatek drm/mediatek: mtk_hdmi: Remove debug messages for function calls 2020-07-05 06:39:21 +08:00
meson drm/meson: viu: fix setting the OSD burst length in VIU_OSD1_FIFO_CTRL_STAT 2020-07-02 10:36:56 +02:00
mga drm/mga: Don't include <drm/drm_pci.h> 2019-12-05 08:44:16 +01:00
mgag200 drm/mgag200: Embed connector instance in struct mga_device 2020-05-11 16:40:44 +02:00
msm Merge tag 'drm-msm-fixes-2020-06-25' of https://gitlab.freedesktop.org/drm/msm into drm-fixes 2020-07-01 15:01:51 +10:00
mxsfb drm/panel: decouple connector from drm_panel 2019-12-09 22:57:26 +01:00
nouveau drm/nouveau: Accept 'legacy' format modifiers 2020-07-31 12:24:51 +10:00
omapdrm treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
panel drm/panel: Fix auo, kd101n80-45na horizontal noise on edges of panel 2020-07-26 18:53:56 +02:00
panfrost drm-misc-next for 5.7: 2020-03-12 12:42:56 +10:00
pl111 drm: pl111: Move VExpress setup into versatile init 2020-04-28 14:06:20 -05:00
qxl drm pull for 5.8-rc1 2020-06-02 15:04:15 -07:00
r128 drm: delete drm_pci.h 2020-04-03 17:11:41 +02:00
radeon drm/radeon: fix double free 2020-07-09 14:42:49 -04:00
rcar-du drm: rcar-du: Fix build error 2020-06-21 05:12:57 +03:00
rockchip drm/rockchip: Remove unneeded semicolon 2020-04-27 21:15:55 +02:00
savage drm/savage: Don't include <drm/drm_pci.h> 2019-12-05 08:44:34 +01:00
scheduler drm/scheduler: fix drm_sched_get_cleanup_job 2020-04-15 11:09:13 +02:00
selftests drm/modes: Make sure to parse valid rotation value from cmdline 2020-02-12 18:32:54 +01:00
shmobile drm/shmobile: Use simple encoder 2020-04-02 14:16:45 +02:00
sis drm/sis: Don't include <drm/drm_pci.h> 2019-12-05 08:44:55 +01:00
sti drm: convert .debugfs_init() hook to return void. 2020-03-18 17:53:28 +01:00
stm drm/stm: ltdc: check number of endpoints 2020-04-27 15:42:12 +02:00
sun4i drm: sun4i: hdmi: Fix inverted HPD result 2020-07-17 14:03:59 +02:00
tdfx drm/tdfx: Don't include <drm/drm_pci.h> 2019-12-05 08:45:01 +01:00
tegra drm/tegra: Add zpos property for cursor planes 2020-06-16 19:03:25 +02:00
tidss drm pull for 5.8-rc1 2020-06-02 15:04:15 -07:00
tilcdc drm/tilcdc: Set up fbdev after fully registering device 2020-04-08 16:24:56 +02:00
tiny drm/cirrus: Move to drm/tiny 2020-04-28 16:05:15 +02:00
ttm Linux 5.8-rc1 2020-06-16 13:31:47 +02:00
tve200 drm: get drm_bridge_panel connector via helper 2019-12-09 22:57:26 +01:00
udl drm/udl: Make udl_handle_damage static 2020-05-06 21:08:37 +02:00
v3d drm/v3d: Delete v3d_dev->pdev 2020-04-28 15:15:59 +02:00
vboxvideo drm/vboxvideo: Use devm_gen_pool_create 2020-04-28 15:08:51 +02:00
vc4 drm-misc-next for 5.8: 2020-04-22 10:41:35 +10:00
vgem drm: Garbage collect drm_dev_fini 2020-03-26 15:45:36 +01:00
via Merge branch 'akpm' (patches from Andrew) 2020-01-31 12:16:36 -08:00
virtio drm pull for 5.8-rc1 2020-06-02 15:04:15 -07:00
vkms drm/vkms: Hold gem object while still in-use 2020-05-06 21:51:46 -04:00
vmwgfx drm/vmwgfx: fix update of display surface when resolution changes 2020-07-14 04:05:52 +02:00
xen drm-misc-next for 5.8: 2020-04-22 10:41:35 +10:00
zte drm/zte: Use simple encoder 2020-04-02 14:16:46 +02:00
drm_agpsupport.c
drm_atomic_helper.c drm/bridge: Add the necessary bits to support bus format negotiation 2020-01-31 16:39:53 +01:00
drm_atomic_state_helper.c drm/atomic-helper: fix kerneldoc 2020-02-15 13:21:22 +01:00
drm_atomic_uapi.c drm/atomic: Spell CRTC consistently 2019-12-22 11:13:00 +01:00
drm_atomic.c drm: convert .debugfs_init() hook to return void. 2020-03-18 17:53:28 +01:00
drm_auth.c drm: error out with EBUSY when device has existing master 2020-03-30 12:20:41 +01:00
drm_blend.c drm: plane: Verify that no or all planes have a zpos property 2020-05-14 02:10:52 +03:00
drm_bridge_connector.c drm: Add helper to create a connector for a chain of bridges 2020-02-26 13:31:41 +02:00
drm_bridge.c drm: Add helper to create a connector for a chain of bridges 2020-02-26 13:31:41 +02:00
drm_bufs.c drm: delete drm_pci.h 2020-04-03 17:11:41 +02:00
drm_cache.c
drm_client_modeset.c Linux 5.6-rc5 2020-03-11 07:27:21 +10:00
drm_client.c drm: convert .debugfs_init() hook to return void. 2020-03-18 17:53:28 +01:00
drm_color_mgmt.c drm: Inline drm_color_lut_extract() 2019-11-29 21:29:17 +02:00
drm_connector.c drm/connector: notify userspace on hotplug after register complete 2020-06-03 10:24:23 +02:00
drm_context.c drm: context: Clean up documentation 2020-03-16 09:23:55 +01:00
drm_crtc_helper_internal.h
drm_crtc_helper.c drm: drop unused drm_crtc callback 2020-02-15 21:15:17 +01:00
drm_crtc_internal.h drm: convert .debugfs_init() hook to return void. 2020-03-18 17:53:28 +01:00
drm_crtc.c
drm_damage_helper.c
drm_debugfs_crc.c drm/crc: Actually allow to change the crc source 2020-01-28 16:49:22 +01:00
drm_debugfs.c drm: convert .debugfs_init() hook to return void. 2020-03-18 17:53:28 +01:00
drm_dma.c drm: delete drm_pci.h 2020-04-03 17:11:41 +02:00
drm_dp_aux_dev.c drm/dp_mst: Add MST support to DP DPCD R/W functions 2020-01-09 18:07:46 -05:00
drm_dp_cec.c
drm_dp_dual_mode_helper.c
drm_dp_helper.c Short summary of fixes pull (less than what git shortlog provides): 2020-05-28 15:38:39 +10:00
drm_dp_mst_topology_internal.h
drm_dp_mst_topology.c drm pull for 5.8-rc1 2020-06-02 15:04:15 -07:00
drm_drv.c drm: Add devm_drm_dev_alloc macro 2020-04-28 15:05:19 +02:00
drm_dsc.c
drm_dumb_buffers.c
drm_edid_load.c
drm_edid.c drm pull for 5.8-rc1 2020-06-02 15:04:15 -07:00
drm_encoder_slave.c drm: encoder_slave: use new I2C API 2020-06-19 09:20:21 +02:00
drm_encoder.c drm/bridge: Make the bridge chain a double-linked list 2019-12-09 10:03:01 +01:00
drm_fb_cma_helper.c drm: Fix misspellings of "Analog Devices" 2020-04-21 08:15:03 +02:00
drm_fb_helper.c drm/drm_fb_helper: fix fbdev with sparc64 2020-07-27 16:47:46 +02:00
drm_file.c drm pull for 5.8-rc1 2020-06-02 15:04:15 -07:00
drm_flip_work.c
drm_format_helper.c drm/format_helper: Dual licence the file in GPL 2 and MIT 2020-02-17 10:27:13 +01:00
drm_fourcc.c drm/fourcc: Fill out all block sizes for P210 2019-11-28 11:19:32 +01:00
drm_framebuffer.c drm: convert .debugfs_init() hook to return void. 2020-03-18 17:53:28 +01:00
drm_gem_cma_helper.c
drm_gem_framebuffer_helper.c drm: Don't free a struct never allocated by drm_gem_fb_init() 2020-04-16 13:44:29 +02:00
drm_gem_shmem_helper.c drm/shmem: drop pgprot_decrypted() 2020-03-02 07:13:19 +01:00
drm_gem_ttm_helper.c drm/ttm: fix mmap refcounting 2019-11-15 08:00:08 +01:00
drm_gem_vram_helper.c drm/vram-helpers: Merge code into a single file 2020-04-09 09:56:33 +02:00
drm_gem.c drm: hold gem reference until object is no longer accessed 2020-07-27 22:05:51 +02:00
drm_hashtab.c
drm_hdcp.c drm: Fix HDCP failures when SRM fw is missing 2020-05-05 14:01:53 -04:00
drm_internal.h drm: Manage drm_vblank_cleanup with drmm_ 2020-03-26 15:38:17 +01:00
drm_ioc32.c
drm_ioctl.c drm pull for 5.8-rc1 2020-06-02 15:04:15 -07:00
drm_irq.c drm/irq: remove check on dev->dev_private 2020-02-11 18:39:47 +02:00
drm_kms_helper_common.c
drm_lease.c drm/lease: fix WARNING in idr_destroy 2020-03-18 14:42:18 +01:00
drm_legacy_misc.c
drm_legacy.h
drm_lock.c drm: lock: Clean up documentation 2020-03-16 09:27:09 +01:00
drm_managed.c drm/managed: Fix off-by-one in warning 2020-03-30 21:42:23 +02:00
drm_memory.c
drm_mipi_dbi.c drm/dbi: Fix SPI Type 1 (9-bit) transfer 2020-07-27 20:29:44 +02:00
drm_mipi_dsi.c
drm_mm.c drm/mm: optimize rb_hole_addr rbtree search 2020-05-05 13:39:38 +02:00
drm_mode_config.c drm: Manage drm_mode_config_init with drmm_ 2020-03-26 15:45:43 +01:00
drm_mode_object.c drm: Replace drm_modeset_lock/unlock_all with DRM_MODESET_LOCK_ALL_* helpers 2020-05-05 10:51:56 +02:00
drm_modes.c drm: Nuke mode->hsync 2020-04-29 18:44:26 +03:00
drm_modeset_helper.c
drm_modeset_lock.c
drm_of.c drm: of: Fix double-free bug 2020-07-26 18:04:06 +02:00
drm_panel_orientation_quirks.c drm: panel-orientation-quirks: Use generic orientation-data for Acer S1003 2020-06-23 12:32:06 +02:00
drm_panel.c drm/drm_panel: Fix EXPORT of drm_panel_of_backlight() one more time 2019-12-17 20:39:33 +01:00
drm_pci.c drm: delete drm_pci.h 2020-04-03 17:11:41 +02:00
drm_plane_helper.c
drm_plane.c drm: plane: Verify that no or all planes have a zpos property 2020-05-14 02:10:52 +03:00
drm_prime.c drm/prime: fix extracting of the DMA addresses from a scatterlist 2020-04-05 10:44:12 -04:00
drm_print.c drm/print: convert debug category macros into an enum 2019-11-14 14:08:57 +02:00
drm_probe_helper.c drm: Stop accessing encoder->bridge directly 2019-12-09 10:02:45 +01:00
drm_property.c drm: limit to INT_MAX in create_blob ioctl 2019-12-04 19:44:13 -08:00
drm_rect.c drm/rect: update kerneldoc for drm_rect_clip_scaled() 2019-11-28 13:15:43 +01:00
drm_scatter.c gpu/drm: remove the powerpc hack in drm_legacy_sg_alloc 2020-06-02 10:59:11 -07:00
drm_scdc_helper.c
drm_self_refresh_helper.c
drm_simple_kms_helper.c drm/simple-kms: Fix documentation for drm_simple_encoder_init() 2020-03-06 09:24:29 +01:00
drm_syncobj.c drm/syncobj: Add documentation for timeline syncobj 2020-01-20 14:22:21 +01:00
drm_sysfs.c drm/connector: notify userspace on hotplug after register complete 2020-06-03 10:24:23 +02:00
drm_trace_points.c
drm_trace.h
drm_vblank.c Short summary of fixes pull (less than what git shortlog provides): 2020-05-28 15:38:39 +10:00
drm_vm.c mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
drm_vma_manager.c
drm_writeback.c
Kconfig drm pull for 5.8-rc1 2020-06-02 15:04:15 -07:00
Makefile drm/cirrus: Move to drm/tiny 2020-04-28 16:05:15 +02:00