[Bug 102985] HDMI 2.0 4k EDIDs not available (Radeon RX Vega 56)

[Bug 102985] HDMI 2.0 4k EDIDs not available (Radeon RX Vega 56)

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=102985

            Bug ID: 102985
           Summary: HDMI 2.0 4k EDIDs not available (Radeon RX Vega 56)
           Product: DRI
           Version: DRI git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: bicom@invergo.net

Created attachment 134476
  --> https://bugs.freedesktop.org/attachment.cgi?id=134476&action=edit
DRM/AMDGPU logs (journalctl)

I have a Radeon RX Vega 56 connected to a Sony 4K TV (kd-49x8305c) via a
"Premium" (certified) HDMI 2.0 cable. The TV's HDMI input is set to "Enhanced
Format". Thus, on the hardware side, everything's ready to go for 4k@60Hz. On
the software side, I'm running Arch Linux with mesa-git (rev. 066d1dc951),
llvm-svn (rev. 313470), and Linux branch amd-staging-drm-next (4.13 rev.
dcae401d1113).  I'm running Gnome and I've tested both Wayland and Xorg.

While other functionality such as rendering and acceleration work with this
setup, I have been unable to access any 4k resolutions.

As you'll see in the attached logs, the maximum resolution detected from the
TV's EDID is 1920x1080. However, using the program edid-decode (output
attached), one can see that the EDID clearly advertises 4k modes, however,
they're in the Extension block at VIC indexes higher than 64.

Until recently, 64 was the highest supported by drivers/gpu/drm/drm_edid.c in
the kernel.  However, that has been fixed:

https://github.com/torvalds/linux/commit/8ec6e0755565192b328059b64f982adabbecda78#diff-f1b0089a97dd0195eb24305ab63a79e3

That commit has been merged into the amd-staging-drm-next kernel (but not
amd-staging), and the revision that I have built and installed includes that
code.  Nevertheless, I haven't had any luck in getting the computer to
recognize any of those extended modes.

I have tried adding the mode manually via xrandr, however when I try to switch
to that mode, I get the error "xrandr: Configure crtc 0 failed". Trying to set
it in a conf file in /etc/X11/xorg.conf.d also didn't work (I no longer have a
configuration file in there). I've also tried forcing it from the kernel
command line (video=3840x2160@60) to no avail.  Still, all of those seem like
workarounds when I think the problem is pretty clearly that the VIC 65+ modes
are not detected.

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[Bug 102985] HDMI 2.0 4k EDIDs not available (Radeon RX Vega 56)

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 306 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=102985

--- Comment #1 from invergo <bicom@invergo.net> ---
Created attachment 134477
  --> https://bugs.freedesktop.org/attachment.cgi?id=134477&action=edit
edid-decode output

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[Bug 102985] HDMI 2.0 4k EDIDs not available (Radeon RX Vega 56)

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 309 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=102985

--- Comment #2 from invergo <bicom@invergo.net> ---
Created attachment 134478
  --> https://bugs.freedesktop.org/attachment.cgi?id=134478&action=edit
TV's binary EDID file

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[Bug 102985] HDMI 2.0 4k EDIDs not available (Radeon RX Vega 56)

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 12451 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=102985

--- Comment #3 from invergo <bicom@invergo.net> ---
I'm now on drm-next-amd-dc-staging commit 4479ed411cf4. I can see in my logs
that all of the modes in my TV's EDID are being detected.  GDM launches at
1920x1080 as usual, but when I try to log in, all video output is lost (TV
reports no input) and the computer freezes, requiring a hard reboot.  If I
first switch to a virtual console and restart GDM, I'm able to log into a
1920x1080 Gnome desktop. Under the Displays settings, all of my TV's supported
resolutions are listed.  However, when I switch to a 4k resolution, the system
crashes again and the video output is lost.

Checking my logs, I see the following errors:

Nov 16 21:23:28 jackalope kernel: [drm:atom_op_jump [amdgpu]] *ERROR* atombios
stuck in loop for more than 5secs aborting
Nov 16 21:23:28 jackalope kernel: [drm:amdgpu_atom_execute_table_locked
[amdgpu]] *ERROR* atombios stuck executing B544 (len 1373, WS 12, PS 8) @
0xB9FF
Nov 16 21:23:28 jackalope kernel: ------------[ cut here ]------------
Nov 16 21:23:28 jackalope kernel: WARNING: CPU: 3 PID: 1020 at
drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_hw_sequencer.c:1262
dce110_prog_pixclk_crtc_otg+0x131/0x140 [amdgpu]
Nov 16 21:23:28 jackalope kernel: Modules linked in: fuse sd_mod joydev uas
mousedev input_leds hid_sony ff_memless usb_storage btusb btrtl btbcm amdkfd
amd_iommu_v2 amdgpu arc4 intel_rapl x86_pkg_temp_thermal intel_powerclamp
coretemp kvm_intel iTCO_wdt iTCO_vendor_support mxm_wmi evdev mac_hid kvm
irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel
chash aes_x86_64 ttm crypto_simd glue_helper cryptd intel_cstate drm_kms_helper
intel_rapl_perf iwlmvm mac80211 snd_hda_codec_realtek snd_hda_codec_hdmi
psmouse pcspkr snd_hda_codec_generic led_class drm syscopyarea sysfillrect
iwlwifi sysimgblt snd_hda_intel fb_sys_fops i2c_algo_bit snd_hda_codec
snd_hda_core snd_hwdep cfg80211 snd_pcm r8169 snd_timer snd mii hci_uart mei_me
btqca tpm_tis i2c_i801 soundcore btintel tpm_tis_core mei shpchp bluetooth
Nov 16 21:23:28 jackalope kernel:  thermal tpm ecdh_generic fan battery rfkill
wmi video intel_lpss_acpi i2c_hid intel_lpss acpi_als kfifo_buf acpi_pad
industrialio button sch_fq_codel sg crypto_user ip_tables x_tables ext4 crc16
mbcache jbd2 fscrypto hid_logitech_hidpp hid_logitech_dj usbhid hid serio_raw
atkbd libps2 crc32c_intel ahci libahci xhci_pci libata nvme xhci_hcd nvme_core
scsi_mod usbcore usb_common i8042 serio
Nov 16 21:23:28 jackalope kernel: CPU: 3 PID: 1020 Comm: gnome-shell Not
tainted 4.14.0-rc3-4479ed411cf4 #1
Nov 16 21:23:28 jackalope kernel: Hardware name: MSI MS-7A67/H270I GAMING PRO
AC (MS-7A67), BIOS 2.00 12/15/2016
Nov 16 21:23:28 jackalope kernel: task: ffff8802538f1e80 task.stack:
ffffc90004c5c000
Nov 16 21:23:28 jackalope kernel: RIP:
0010:dce110_prog_pixclk_crtc_otg+0x131/0x140 [amdgpu]
Nov 16 21:23:28 jackalope kernel: RSP: 0018:ffffc90004c5f860 EFLAGS: 00010246
Nov 16 21:23:28 jackalope kernel: RAX: 0000000000000000 RBX: ffff8801edb24188
RCX: 0000000000000000
Nov 16 21:23:28 jackalope kernel: RDX: ffff8802538f1e80 RSI: 000000000001df80
RDI: ffff88025871e188
Nov 16 21:23:28 jackalope kernel: RBP: ffffc90004c5f888 R08: 0000000000000001
R09: ffffffffa08ec301
Nov 16 21:23:28 jackalope kernel: R10: ffffc90004c5f680 R11: ffffffff81e9846d
R12: ffff8801edb00000
Nov 16 21:23:28 jackalope kernel: R13: ffff880241a9e000 R14: ffff8801edb24000
R15: ffff8801edb00000
Nov 16 21:23:28 jackalope kernel: FS:  00007fa3cc812f00(0000)
GS:ffff88026ed80000(0000) knlGS:0000000000000000
Nov 16 21:23:28 jackalope kernel: CS:  0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Nov 16 21:23:28 jackalope kernel: CR2: 00005609529fd140 CR3: 000000024213e006
CR4: 00000000003606e0
Nov 16 21:23:28 jackalope kernel: DR0: 0000000000000000 DR1: 0000000000000000
DR2: 0000000000000000
Nov 16 21:23:28 jackalope kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0
DR7: 0000000000000400
Nov 16 21:23:28 jackalope kernel: Call Trace:
Nov 16 21:23:28 jackalope kernel:  apply_single_controller_ctx_to_hw+0x49/0x330
[amdgpu]
Nov 16 21:23:28 jackalope kernel:  dce110_apply_ctx_to_hw+0x41b/0x750 [amdgpu]
Nov 16 21:23:28 jackalope kernel:  dc_commit_state+0x2a1/0x3c0 [amdgpu]
Nov 16 21:23:28 jackalope kernel:  amdgpu_dm_atomic_commit_tail+0x2cd/0xa50
[amdgpu]
Nov 16 21:23:28 jackalope kernel:  ? wait_for_common+0x14e/0x180
Nov 16 21:23:28 jackalope kernel:  ? wait_for_common+0x14e/0x180
Nov 16 21:23:28 jackalope kernel:  ? wait_for_completion_timeout+0x13/0x20
Nov 16 21:23:28 jackalope kernel:  commit_tail+0x3f/0x60 [drm_kms_helper]
Nov 16 21:23:28 jackalope kernel:  drm_atomic_helper_commit+0x106/0x110
[drm_kms_helper]
Nov 16 21:23:28 jackalope kernel:  amdgpu_dm_atomic_commit+0x87/0xa0 [amdgpu]
Nov 16 21:23:28 jackalope kernel:  drm_atomic_commit+0x4b/0x50 [drm]
Nov 16 21:23:28 jackalope kernel:  drm_atomic_helper_set_config+0x81/0x90
[drm_kms_helper]
Nov 16 21:23:28 jackalope kernel:  __drm_mode_set_config_internal+0x65/0x110
[drm]
Nov 16 21:23:28 jackalope kernel:  drm_mode_setcrtc+0x485/0x670 [drm]
Nov 16 21:23:28 jackalope kernel:  ? drm_mode_getcrtc+0x190/0x190 [drm]
Nov 16 21:23:28 jackalope kernel:  drm_ioctl_kernel+0x5d/0xb0 [drm]
Nov 16 21:23:28 jackalope kernel:  drm_ioctl+0x32a/0x400 [drm]
Nov 16 21:23:28 jackalope kernel:  ? drm_mode_getcrtc+0x190/0x190 [drm]
Nov 16 21:23:28 jackalope kernel:  amdgpu_drm_ioctl+0x4f/0x90 [amdgpu]
Nov 16 21:23:28 jackalope kernel:  do_vfs_ioctl+0xa5/0x600
Nov 16 21:23:28 jackalope kernel:  ? __fget+0x6e/0x90
Nov 16 21:23:28 jackalope kernel:  SyS_ioctl+0x79/0x90
Nov 16 21:23:28 jackalope kernel:  entry_SYSCALL_64_fastpath+0x1a/0xa5
Nov 16 21:23:28 jackalope kernel: RIP: 0033:0x7fa3cc178387
Nov 16 21:23:28 jackalope kernel: RSP: 002b:00007ffcd5eae168 EFLAGS: 00000246
ORIG_RAX: 0000000000000010
Nov 16 21:23:28 jackalope kernel: RAX: ffffffffffffffda RBX: 00007fa38f1eaf34
RCX: 00007fa3cc178387
Nov 16 21:23:28 jackalope kernel: RDX: 00007ffcd5eae1a0 RSI: 00000000c06864a2
RDI: 0000000000000008
Nov 16 21:23:28 jackalope kernel: RBP: 0000000000001082 R08: 0000000000000000
R09: 0000555ee23d7130
Nov 16 21:23:28 jackalope kernel: R10: 0000555edec069e0 R11: 0000000000000246
R12: 000000000000000c
Nov 16 21:23:28 jackalope kernel: R13: 0000000000000100 R14: 00007fa38f1e4000
R15: 0000000000000930
Nov 16 21:23:28 jackalope kernel: Code: 01 00 00 00 0f 85 4e ff ff ff 48 8b bb
f0 00 00 00 48 8b 07 ff 50 10 84 c0 0f 85 39 ff ff ff 0f ff b8 ff ff ff ff e9
32 ff ff ff <0f> ff 83 c8 ff e9 28 ff ff ff e8 10 f0 65 e0 0f 1f 44 00 00 55 
Nov 16 21:23:28 jackalope kernel: ---[ end trace f377f3971b292e7d ]---
Nov 16 21:23:31 jackalope kernel: ------------[ cut here ]------------
Nov 16 21:23:31 jackalope kernel: WARNING: CPU: 1 PID: 1020 at
drivers/gpu/drm/drm_atomic_helper.c:1240
drm_atomic_helper_wait_for_vblanks.part.9+0x261/0x270 [drm_kms_helper]
Nov 16 21:23:31 jackalope kernel: Modules linked in: fuse sd_mod joydev uas
mousedev input_leds hid_sony ff_memless usb_storage btusb btrtl btbcm amdkfd
amd_iommu_v2 amdgpu arc4 intel_rapl x86_pkg_temp_thermal intel_powerclamp
coretemp kvm_intel iTCO_wdt iTCO_vendor_support mxm_wmi evdev mac_hid kvm
irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel
chash aes_x86_64 ttm crypto_simd glue_helper cryptd intel_cstate drm_kms_helper
intel_rapl_perf iwlmvm mac80211 snd_hda_codec_realtek snd_hda_codec_hdmi
psmouse pcspkr snd_hda_codec_generic led_class drm syscopyarea sysfillrect
iwlwifi sysimgblt snd_hda_intel fb_sys_fops i2c_algo_bit snd_hda_codec
snd_hda_core snd_hwdep cfg80211 snd_pcm r8169 snd_timer snd mii hci_uart mei_me
btqca tpm_tis i2c_i801 soundcore btintel tpm_tis_core mei shpchp bluetooth
Nov 16 21:23:31 jackalope kernel:  thermal tpm ecdh_generic fan battery rfkill
wmi video intel_lpss_acpi i2c_hid intel_lpss acpi_als kfifo_buf acpi_pad
industrialio button sch_fq_codel sg crypto_user ip_tables x_tables ext4 crc16
mbcache jbd2 fscrypto hid_logitech_hidpp hid_logitech_dj usbhid hid serio_raw
atkbd libps2 crc32c_intel ahci libahci xhci_pci libata nvme xhci_hcd nvme_core
scsi_mod usbcore usb_common i8042 serio
Nov 16 21:23:31 jackalope kernel: CPU: 1 PID: 1020 Comm: gnome-shell Tainted: G
       W       4.14.0-rc3-4479ed411cf4 #1
Nov 16 21:23:31 jackalope kernel: Hardware name: MSI MS-7A67/H270I GAMING PRO
AC (MS-7A67), BIOS 2.00 12/15/2016
Nov 16 21:23:31 jackalope kernel: task: ffff8802538f1e80 task.stack:
ffffc90004c5c000
Nov 16 21:23:31 jackalope kernel: RIP:
0010:drm_atomic_helper_wait_for_vblanks.part.9+0x261/0x270 [drm_kms_helper]
Nov 16 21:23:31 jackalope kernel: RSP: 0018:ffffc90004c5f9b0 EFLAGS: 00010282
Nov 16 21:23:31 jackalope kernel: RAX: 0000000000000026 RBX: 0000000000000000
RCX: 0000000000000000
Nov 16 21:23:31 jackalope kernel: RDX: 0000000000000000 RSI: ffff88026ec8dc48
RDI: ffff88026ec8dc48
Nov 16 21:23:31 jackalope kernel: RBP: ffffc90004c5fa28 R08: 00000000000003bd
R09: 0000000000000004
Nov 16 21:23:31 jackalope kernel: R10: ffffc90004c5f9b0 R11: 0000000000000001
R12: ffff88025ae18800
Nov 16 21:23:31 jackalope kernel: R13: 0000000000000000 R14: 0000000000000000
R15: ffff88025384dd00
Nov 16 21:23:31 jackalope kernel: FS:  00007fa3cc812f00(0000)
GS:ffff88026ec80000(0000) knlGS:0000000000000000
Nov 16 21:23:31 jackalope kernel: CS:  0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Nov 16 21:23:31 jackalope kernel: CR2: 00007fc4e077c4e6 CR3: 000000024213e001
CR4: 00000000003606e0
Nov 16 21:23:31 jackalope kernel: DR0: 0000000000000000 DR1: 0000000000000000
DR2: 0000000000000000
Nov 16 21:23:31 jackalope kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0
DR7: 0000000000000400
Nov 16 21:23:31 jackalope kernel: Call Trace:
Nov 16 21:23:31 jackalope kernel:  ? wait_woken+0x80/0x80
Nov 16 21:23:31 jackalope kernel:  drm_atomic_helper_wait_for_vblanks+0x14/0x20
[drm_kms_helper]
Nov 16 21:23:31 jackalope kernel:  amdgpu_dm_atomic_commit_tail+0x7f6/0xa50
[amdgpu]
Nov 16 21:23:31 jackalope kernel:  ? wait_for_completion_timeout+0x13/0x20
Nov 16 21:23:31 jackalope kernel:  commit_tail+0x3f/0x60 [drm_kms_helper]
Nov 16 21:23:31 jackalope kernel:  drm_atomic_helper_commit+0x106/0x110
[drm_kms_helper]
Nov 16 21:23:31 jackalope kernel:  amdgpu_dm_atomic_commit+0x87/0xa0 [amdgpu]
Nov 16 21:23:31 jackalope kernel:  drm_atomic_commit+0x4b/0x50 [drm]
Nov 16 21:23:31 jackalope kernel:  drm_atomic_helper_set_config+0x81/0x90
[drm_kms_helper]
Nov 16 21:23:31 jackalope kernel:  __drm_mode_set_config_internal+0x65/0x110
[drm]
Nov 16 21:23:31 jackalope kernel:  drm_mode_setcrtc+0x485/0x670 [drm]
Nov 16 21:23:31 jackalope kernel:  ? drm_mode_getcrtc+0x190/0x190 [drm]
Nov 16 21:23:31 jackalope kernel:  drm_ioctl_kernel+0x5d/0xb0 [drm]
Nov 16 21:23:31 jackalope kernel:  drm_ioctl+0x32a/0x400 [drm]
Nov 16 21:23:31 jackalope kernel:  ? drm_mode_getcrtc+0x190/0x190 [drm]
Nov 16 21:23:31 jackalope kernel:  amdgpu_drm_ioctl+0x4f/0x90 [amdgpu]
Nov 16 21:23:31 jackalope kernel:  do_vfs_ioctl+0xa5/0x600
Nov 16 21:23:31 jackalope kernel:  ? __fget+0x6e/0x90
Nov 16 21:23:31 jackalope kernel:  SyS_ioctl+0x79/0x90
Nov 16 21:23:31 jackalope kernel:  entry_SYSCALL_64_fastpath+0x1a/0xa5
Nov 16 21:23:31 jackalope kernel: RIP: 0033:0x7fa3cc178387
Nov 16 21:23:31 jackalope kernel: RSP: 002b:00007ffcd5eae168 EFLAGS: 00000246
ORIG_RAX: 0000000000000010
Nov 16 21:23:31 jackalope kernel: RAX: ffffffffffffffda RBX: 00007fa38f1eaf34
RCX: 00007fa3cc178387
Nov 16 21:23:31 jackalope kernel: RDX: 00007ffcd5eae1a0 RSI: 00000000c06864a2
RDI: 0000000000000008
Nov 16 21:23:31 jackalope kernel: RBP: 0000000000001082 R08: 0000000000000000
R09: 0000555ee23d7130
Nov 16 21:23:31 jackalope kernel: R10: 0000555edec069e0 R11: 0000000000000246
R12: 000000000000000c
Nov 16 21:23:31 jackalope kernel: R13: 0000000000000100 R14: 00007fa38f1e4000
R15: 0000000000000930
Nov 16 21:23:31 jackalope kernel: Code: 48 01 df 48 83 c7 08 e8 ee 30 8f e0 45
85 f6 0f 85 b1 fe ff ff 49 8b 54 24 20 41 8b 74 24 60 48 c7 c7 f0 2c 7d a0 e8
a0 d9 90 e0 <0f> ff e9 94 fe ff ff 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 f6 
Nov 16 21:23:31 jackalope kernel: ---[ end trace f377f3971b292e7e ]---

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[Bug 102985] HDMI 2.0 4k EDIDs not available (Radeon RX Vega 56)

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 927 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=102985

--- Comment #4 from invergo <bicom@invergo.net> ---
Sorry, I should have attached that in a file.

Just before those kernel errors were these:

Nov 16 21:23:21 jackalope gnome-shell[1020]: JS WARNING:
[resource:///org/gnome/shell/ui/modalDialog.js 218]: reference to undefined
property "GdkX11Screen"
Nov 16 21:23:21 jackalope gnome-shell[1020]: Failed to apply DRM plane
transform 0: Invalid argument
Nov 16 21:23:21 jackalope kernel: [drm] {3840x2160, 4400x2250@594000Khz}
Nov 16 21:23:28 jackalope kernel: [drm] {1920x1080, 2200x1125@148500Khz}
N

I'm not sure if the first two gnome-shell errors are relevant.
The latter two kernel messages I guess reflect the attempt to change
resolutions to 3840x2160, but then is it trying to revert back to 1920x1080
albeit at 15Khz?

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[Bug 102985] HDMI 2.0 4k EDIDs not available (Radeon RX Vega 56)

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https://bugs.freedesktop.org/show_bug.cgi?id=102985

--- Comment #5 from invergo <bicom@invergo.net> ---
I am on commit 23d3505d648e and this now appears to be resolved: I can select
4k@60Hz (among several other new resolutions) without crashing. Furthermore,
this also resolves a problem I hadn't mentioned of not having HDMI audio
(didn't realize that it could be related).

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[Bug 102985] HDMI 2.0 4k EDIDs not available (Radeon RX Vega 56)

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https://bugs.freedesktop.org/show_bug.cgi?id=102985

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #6 from Michel Dänzer <michel@daenzer.net> ---
Resolving per comment 5, thanks for the followup, glad it's working now!

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