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Melissa Wen acc96ae0d1 drm/amd/display: set panel orientation before drm_dev_register 
To set the panel orientation property with quirk, we need the mode size
provided by EDID. This info is available after EDID is read by dc_link_detect()
and updated by amdgpu_dm_update_connector_after_detect(). The detection
happens at driver load in amdgpu_dm_initialize_drm_device() and,
therefore, we can get modes and set panel orientation before
drm_dev_register() to avoid DRM warns on creating the connector property
after device registration:

[    2.563969] ------------[ cut here ]------------
[    2.563971] WARNING: CPU: 6 PID: 325 at drivers/gpu/drm/drm_mode_object.c:45 drm_mode_object_add+0x72/0x80 [drm]
[    2.563997] Modules linked in: btusb btrtl btbcm btintel btmtk bluetooth rfkill ecdh_generic ecc usbhid crc16 amdgpu(+) drm_ttm_helper ttm agpgart gpu_sched i2c_algo_bit drm_display_helper drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm serio_raw sdhci_pci atkbd libps2 cqhci vivaldi_fmap ccp sdhci i8042 crct10dif_pclmul crc32_pclmul hid_multitouch ghash_clmulni_intel aesni_intel crypto_simd cryptd wdat_wdt mmc_core cec xhci_pci sp5100_tco rng_core xhci_pci_renesas serio 8250_dw i2c_hid_acpi i2c_hid btrfs blake2b_generic libcrc32c crc32c_generic crc32c_intel xor raid6_pq dm_mirror dm_region_hash dm_log dm_mod pkcs8_key_parser crypto_user
[    2.564032] CPU: 6 PID: 325 Comm: systemd-udevd Not tainted 5.18.0-amd-staging-drm-next+ #67
[    2.564034] Hardware name: Valve Jupiter/Jupiter, BIOS F7A0105 03/21/2022
[    2.564036] RIP: 0010:drm_mode_object_add+0x72/0x80 [drm]
[    2.564053] Code: f0 89 c3 85 c0 78 07 89 45 00 44 89 65 04 4c 89 ef e8 e2 99 04 f1 31 c0 85 db 0f 4e c3 5b 5d 41 5c 41 5d c3 80 7f 50 00 74 ac <0f> 0b eb a8 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 41 54 4c
[    2.564055] RSP: 0018:ffffb2e880413860 EFLAGS: 00010202
[    2.564056] RAX: ffffffffc0ba1440 RBX: ffff99508a860010 RCX: 0000000000000001
[    2.564057] RDX: 00000000b0b0b0b0 RSI: ffff99508c050110 RDI: ffff99508a860010
[    2.564058] RBP: ffff99508c050110 R08: 0000000000000020 R09: ffff99508c292c20
[    2.564059] R10: 0000000000000000 R11: ffff99508c0507d8 R12: 00000000b0b0b0b0
[    2.564060] R13: 0000000000000004 R14: ffffffffc068a4b6 R15: ffffffffc068a47f
[    2.564061] FS:  00007fc69b5f1a40(0000) GS:ffff9953aff80000(0000) knlGS:0000000000000000
[    2.564063] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.564063] CR2: 00007f9506804000 CR3: 0000000107f92000 CR4: 0000000000350ee0
[    2.564065] Call Trace:
[    2.564068]  <TASK>
[    2.564070]  drm_property_create+0xc9/0x170 [drm]
[    2.564088]  drm_property_create_enum+0x1f/0x70 [drm]
[    2.564105]  drm_connector_set_panel_orientation_with_quirk+0x96/0xc0 [drm]
[    2.564123]  get_modes+0x4fb/0x530 [amdgpu]
[    2.564378]  drm_helper_probe_single_connector_modes+0x1ad/0x850 [drm_kms_helper]
[    2.564390]  drm_client_modeset_probe+0x229/0x1400 [drm]
[    2.564411]  ? xas_store+0x52/0x5e0
[    2.564416]  ? kmem_cache_alloc_trace+0x177/0x2c0
[    2.564420]  __drm_fb_helper_initial_config_and_unlock+0x44/0x4e0 [drm_kms_helper]
[    2.564430]  drm_fbdev_client_hotplug+0x173/0x210 [drm_kms_helper]
[    2.564438]  drm_fbdev_generic_setup+0xa5/0x166 [drm_kms_helper]
[    2.564446]  amdgpu_pci_probe+0x35e/0x370 [amdgpu]
[    2.564621]  local_pci_probe+0x45/0x80
[    2.564625]  ? pci_match_device+0xd7/0x130
[    2.564627]  pci_device_probe+0xbf/0x220
[    2.564629]  ? sysfs_do_create_link_sd+0x69/0xd0
[    2.564633]  really_probe+0x19c/0x380
[    2.564637]  __driver_probe_device+0xfe/0x180
[    2.564639]  driver_probe_device+0x1e/0x90
[    2.564641]  __driver_attach+0xc0/0x1c0
[    2.564643]  ? __device_attach_driver+0xe0/0xe0
[    2.564644]  ? __device_attach_driver+0xe0/0xe0
[    2.564646]  bus_for_each_dev+0x78/0xc0
[    2.564648]  bus_add_driver+0x149/0x1e0
[    2.564650]  driver_register+0x8f/0xe0
[    2.564652]  ? 0xffffffffc1023000
[    2.564654]  do_one_initcall+0x44/0x200
[    2.564657]  ? kmem_cache_alloc_trace+0x177/0x2c0
[    2.564659]  do_init_module+0x4c/0x250
[    2.564663]  __do_sys_init_module+0x12e/0x1b0
[    2.564666]  do_syscall_64+0x3b/0x90
[    2.564670]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[    2.564673] RIP: 0033:0x7fc69bff232e
[    2.564674] Code: 48 8b 0d 45 0b 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 af 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 12 0b 0c 00 f7 d8 64 89 01 48
[    2.564676] RSP: 002b:00007ffe872ba3e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000af
[    2.564677] RAX: ffffffffffffffda RBX: 000055873f797820 RCX: 00007fc69bff232e
[    2.564678] RDX: 000055873f7bf390 RSI: 0000000001155e81 RDI: 00007fc699e4d010
[    2.564679] RBP: 00007fc699e4d010 R08: 000055873f7bfe20 R09: 0000000001155e90
[    2.564680] R10: 000000055873f7bf R11: 0000000000000246 R12: 000055873f7bf390
[    2.564681] R13: 000000000000000d R14: 000055873f7c4cb0 R15: 000055873f797820
[    2.564683]  </TASK>
[    2.564683] ---[ end trace 0000000000000000 ]---
[    2.564696] ------------[ cut here ]------------
[    2.564696] WARNING: CPU: 6 PID: 325 at drivers/gpu/drm/drm_mode_object.c:242 drm_object_attach_property+0x52/0x80 [drm]
[    2.564717] Modules linked in: btusb btrtl btbcm btintel btmtk bluetooth rfkill ecdh_generic ecc usbhid crc16 amdgpu(+) drm_ttm_helper ttm agpgart gpu_sched i2c_algo_bit drm_display_helper drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm serio_raw sdhci_pci atkbd libps2 cqhci vivaldi_fmap ccp sdhci i8042 crct10dif_pclmul crc32_pclmul hid_multitouch ghash_clmulni_intel aesni_intel crypto_simd cryptd wdat_wdt mmc_core cec xhci_pci sp5100_tco rng_core xhci_pci_renesas serio 8250_dw i2c_hid_acpi i2c_hid btrfs blake2b_generic libcrc32c crc32c_generic crc32c_intel xor raid6_pq dm_mirror dm_region_hash dm_log dm_mod pkcs8_key_parser crypto_user
[    2.564738] CPU: 6 PID: 325 Comm: systemd-udevd Tainted: G        W         5.18.0-amd-staging-drm-next+ #67
[    2.564740] Hardware name: Valve Jupiter/Jupiter, BIOS F7A0105 03/21/2022
[    2.564741] RIP: 0010:drm_object_attach_property+0x52/0x80 [drm]
[    2.564759] Code: 2d 83 f8 18 74 33 48 89 74 c1 08 48 8b 4f 08 48 89 94 c1 c8 00 00 00 48 8b 47 08 83 00 01 c3 4d 85 d2 75 dd 83 7f 58 01 75 d7 <0f> 0b eb d3 41 80 78 50 00 74 cc 0f 0b eb c8 44 89 ce 48 c7 c7 28
[    2.564760] RSP: 0018:ffffb2e8804138d8 EFLAGS: 00010246
[    2.564761] RAX: 0000000000000010 RBX: ffff99508c1a2000 RCX: ffff99508c1a2180
[    2.564762] RDX: 0000000000000003 RSI: ffff99508c050100 RDI: ffff99508c1a2040
[    2.564763] RBP: 00000000ffffffff R08: ffff99508a860010 R09: 00000000c0c0c0c0
[    2.564763] R10: 0000000000000000 R11: 0000000000000020 R12: ffff99508a860010
[    2.564764] R13: ffff995088733008 R14: ffff99508c1a2000 R15: ffffffffc068a47f
[    2.564765] FS:  00007fc69b5f1a40(0000) GS:ffff9953aff80000(0000) knlGS:0000000000000000
[    2.564766] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.564767] CR2: 00007f9506804000 CR3: 0000000107f92000 CR4: 0000000000350ee0
[    2.564768] Call Trace:
[    2.564769]  <TASK>
[    2.564770]  drm_connector_set_panel_orientation_with_quirk+0x4a/0xc0 [drm]
[    2.564789]  get_modes+0x4fb/0x530 [amdgpu]
[    2.565024]  drm_helper_probe_single_connector_modes+0x1ad/0x850 [drm_kms_helper]
[    2.565036]  drm_client_modeset_probe+0x229/0x1400 [drm]
[    2.565056]  ? xas_store+0x52/0x5e0
[    2.565060]  ? kmem_cache_alloc_trace+0x177/0x2c0
[    2.565062]  __drm_fb_helper_initial_config_and_unlock+0x44/0x4e0 [drm_kms_helper]
[    2.565072]  drm_fbdev_client_hotplug+0x173/0x210 [drm_kms_helper]
[    2.565080]  drm_fbdev_generic_setup+0xa5/0x166 [drm_kms_helper]
[    2.565088]  amdgpu_pci_probe+0x35e/0x370 [amdgpu]
[    2.565261]  local_pci_probe+0x45/0x80
[    2.565263]  ? pci_match_device+0xd7/0x130
[    2.565265]  pci_device_probe+0xbf/0x220
[    2.565267]  ? sysfs_do_create_link_sd+0x69/0xd0
[    2.565268]  really_probe+0x19c/0x380
[    2.565270]  __driver_probe_device+0xfe/0x180
[    2.565272]  driver_probe_device+0x1e/0x90
[    2.565274]  __driver_attach+0xc0/0x1c0
[    2.565276]  ? __device_attach_driver+0xe0/0xe0
[    2.565278]  ? __device_attach_driver+0xe0/0xe0
[    2.565279]  bus_for_each_dev+0x78/0xc0
[    2.565281]  bus_add_driver+0x149/0x1e0
[    2.565283]  driver_register+0x8f/0xe0
[    2.565285]  ? 0xffffffffc1023000
[    2.565286]  do_one_initcall+0x44/0x200
[    2.565288]  ? kmem_cache_alloc_trace+0x177/0x2c0
[    2.565290]  do_init_module+0x4c/0x250
[    2.565291]  __do_sys_init_module+0x12e/0x1b0
[    2.565294]  do_syscall_64+0x3b/0x90
[    2.565296]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[    2.565297] RIP: 0033:0x7fc69bff232e
[    2.565298] Code: 48 8b 0d 45 0b 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 af 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 12 0b 0c 00 f7 d8 64 89 01 48
[    2.565299] RSP: 002b:00007ffe872ba3e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000af
[    2.565301] RAX: ffffffffffffffda RBX: 000055873f797820 RCX: 00007fc69bff232e
[    2.565302] RDX: 000055873f7bf390 RSI: 0000000001155e81 RDI: 00007fc699e4d010
[    2.565303] RBP: 00007fc699e4d010 R08: 000055873f7bfe20 R09: 0000000001155e90
[    2.565303] R10: 000000055873f7bf R11: 0000000000000246 R12: 000055873f7bf390
[    2.565304] R13: 000000000000000d R14: 000055873f7c4cb0 R15: 000055873f797820
[    2.565306]  </TASK>
[    2.565307] ---[ end trace 0000000000000000 ]---

--

v2:
- call amdgpu_dm_connector_get_modes() instead of ddc_get_modes() (Harry)

Fixes: d77de7880e ("amd/display: enable panel orientation quirks")
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-08-10 15:41:23 -04:00
arch - Prepare for and clear .brk early in order to address XenPV guests 2022-07-10 08:43:52 -07:00
block block: remove WARN_ON() from bd_link_disk_holder 2022-06-23 07:48:05 -06:00
certs Certs changes 2022-06-21 12:13:53 -05:00
crypto crypto: s390 - do not depend on CRYPTO_HW for SIMD implementations 2022-07-06 20:04:06 -07:00
Documentation Merge tag 'amd-drm-next-5.20-2022-07-26' of https://gitlab.freedesktop.org/agd5f/linux into drm-next 2022-07-27 09:33:45 +10:00
drivers drm/amd/display: set panel orientation before drm_dev_register 2022-08-10 15:41:23 -04:00
fs o_uring-5.19-2022-07-09 2022-07-10 09:14:54 -07:00
include Merge tag 'amd-drm-next-5.20-2022-07-26' of https://gitlab.freedesktop.org/agd5f/linux into drm-next 2022-07-27 09:33:45 +10:00
init gcc-12: disable '-Warray-bounds' universally for now 2022-06-09 10:11:12 -07:00
ipc These changes update the ipc sysctls so that they are fundamentally 2022-06-03 15:54:57 -07:00
kernel Linux 5.19-rc6 2022-07-13 10:54:56 +10:00
lib ida: don't use BUG_ON() for debugging 2022-07-10 13:55:49 -07:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm Minor things, mainly - mailmap updates, MAINTAINERS updates, etc. 2022-06-26 14:00:55 -07:00
net Networking fixes for 5.19-rc6, including fixes from bpf, netfilter, 2022-07-07 10:08:20 -07:00
samples fprobe, samples: Add module parameter descriptions 2022-06-24 15:23:04 -07:00
scripts kbuild: remove unused cmd_none in scripts/Makefile.modinst 2022-07-10 21:25:15 +09:00
security selinux: free contexts previously transferred in selinux_add_opt() 2022-06-15 21:20:45 -04:00
sound ALSA: cs46xx: Fix missing snd_card_free() call at probe error 2022-07-05 17:24:05 +02:00
tools - Prepare for and clear .brk early in order to address XenPV guests 2022-07-10 08:43:52 -07:00
usr Not a lot of material this cycle. Many singleton patches against various 2022-05-27 11:22:03 -07:00
virt KVM: x86: disable preemption around the call to kvm_arch_vcpu_{un|}blocking 2022-06-09 10:52:20 -04:00
.clang-format clang-format: Fix space after for_each macros 2022-05-20 19:27:16 +02:00
.cocciconfig
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore kbuild: split the second line of *.mod into *.usyms 2022-05-08 03:16:59 +09:00
.mailmap cxl fixes for 5.19-rc6 2022-07-08 12:55:25 -07:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS drm/exynos: MAINTAINERS: move Joonyoung Shim to credits 2022-07-12 13:52:59 +09:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS Two cleanups 2022-07-13 14:17:35 +10:00
Makefile Linux 5.19-rc6 2022-07-10 14:40:51 -07:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.