dri-devel August 2021

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[Bug 201497] New: [amdgpu]: '*ERROR* No EDID read' is back in 4.19
by bugzilla-daemon＠bugzilla.kernel.org 19 May '22

19 May '22

https://bugzilla.kernel.org/show_bug.cgi?id=201497 Bug ID: 201497 Summary: [amdgpu]: '*ERROR* No EDID read' is back in 4.19 Product: Drivers Version: 2.5 Kernel Version: 4.19 Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Video(DRI - non Intel) Assignee: drivers_video-dri(a)kernel-bugs.osdl.org Reporter: engywook(a)gmail.com Regression: No Hey, I have this EDID bug again, see https://lists.freedesktop.org/archives/amd-gfx/2018-July/023923.html 018d82e5f02ef3583411bcaa4e00c69786f46f19 seems to have gotten back in through: # first bad commit: [d98c71dadc2d0debdb80beb5a478baf1e6f98758] Merge drm-upstream/drm-next into drm-misc-next / Daniel -- You are receiving this mail because: You are watching the assignee of the bug.

2 26

BUG: unable to handle kernel paging request in bitfill_aligned (2)
by syzbot 12 May '22

12 May '22

Hello, syzbot found the following issue on: HEAD commit: 0062442e Merge tag 'for-linus' of git://git.kernel.org/pub.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16584b81500000 kernel config: https://syzkaller.appspot.com/x/.config?x=f9aa2432c01bcb1f dashboard link: https://syzkaller.appspot.com/bug?extid=a4edd73d589b0b7efbeb compiler: gcc (GCC) 10.1.0-syz 20200507 userspace arch: i386 Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+a4edd73d589b0b7efbeb(a)syzkaller.appspotmail.com BUG: unable to handle page fault for address: ffff888001000000 #PF: supervisor write access in kernel mode #PF: error_code(0x0003) - permissions violation PGD fc01067 P4D fc01067 PUD fc02067 PMD 80000000010001e1 Oops: 0003 [#1] PREEMPT SMP KASAN CPU: 0 PID: 12457 Comm: syz-executor.5 Not tainted 5.10.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__writeq arch/x86/include/asm/io.h:98 [inline] RIP: 0010:bitfill_aligned drivers/video/fbdev/core/cfbfillrect.c:70 [inline] RIP: 0010:bitfill_aligned+0x11d/0x200 drivers/video/fbdev/core/cfbfillrect.c:35 Code: 41 83 fc 07 76 5f 4c 89 ed e8 bf 28 8a fd 48 89 5d 00 48 89 5d 08 48 89 5d 10 48 89 5d 18 48 89 5d 20 48 89 5d 28 48 8d 45 38 <48> 89 5d 30 48 83 c5 40 48 89 18 41 83 ef 08 bf 07 00 00 00 44 89 RSP: 0018:ffffc900082176d0 EFLAGS: 00010246 RAX: ffff888001000008 RBX: 0000000000000000 RCX: ffffc90013da2000 RDX: 0000000000040000 RSI: ffffffff83e60721 RDI: 0000000000000005 RBP: ffff888000ffffd0 R08: 0000000000001380 R09: 0000000000000040 R10: 0000000000000007 R11: 0000000000000000 R12: 000000000000004e R13: ffff888000ffff10 R14: 0000000000000000 R15: 0000000000000036 FS: 0000000000000000(0000) GS:ffff8880b9e00000(0063) knlGS:00000000f5542b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: ffff888001000000 CR3: 000000001c7d6000 CR4: 00000000001526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: cfb_fillrect+0x40b/0x7b0 drivers/video/fbdev/core/cfbfillrect.c:327 vga16fb_fillrect+0x683/0x1940 drivers/video/fbdev/vga16fb.c:951 bit_clear_margins+0x3f6/0x4b0 drivers/video/fbdev/core/bitblit.c:224 fbcon_clear_margins+0x1f1/0x280 drivers/video/fbdev/core/fbcon.c:1325 fbcon_switch+0xafe/0x16b0 drivers/video/fbdev/core/fbcon.c:2187 redraw_screen+0x2b9/0x790 drivers/tty/vt/vt.c:1021 vc_do_resize+0xed8/0x1150 drivers/tty/vt/vt.c:1326 vt_resize+0xa3/0xe0 drivers/tty/vt/vt.c:1367 tiocswinsz drivers/tty/tty_io.c:2278 [inline] tty_ioctl+0x11a2/0x1600 drivers/tty/tty_io.c:2576 tty_compat_ioctl+0x295/0x410 drivers/tty/tty_io.c:2818 __do_compat_sys_ioctl+0x1d3/0x230 fs/ioctl.c:842 do_syscall_32_irqs_on arch/x86/entry/common.c:78 [inline] __do_fast_syscall_32+0x56/0x80 arch/x86/entry/common.c:137 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:160 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7f48549 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000005414 RDX: 0000000020000040 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: CR2: ffff888001000000 ---[ end trace 7c559c247d0f5502 ]--- RIP: 0010:__writeq arch/x86/include/asm/io.h:98 [inline] RIP: 0010:bitfill_aligned drivers/video/fbdev/core/cfbfillrect.c:70 [inline] RIP: 0010:bitfill_aligned+0x11d/0x200 drivers/video/fbdev/core/cfbfillrect.c:35 Code: 41 83 fc 07 76 5f 4c 89 ed e8 bf 28 8a fd 48 89 5d 00 48 89 5d 08 48 89 5d 10 48 89 5d 18 48 89 5d 20 48 89 5d 28 48 8d 45 38 <48> 89 5d 30 48 83 c5 40 48 89 18 41 83 ef 08 bf 07 00 00 00 44 89 RSP: 0018:ffffc900082176d0 EFLAGS: 00010246 RAX: ffff888001000008 RBX: 0000000000000000 RCX: ffffc90013da2000 RDX: 0000000000040000 RSI: ffffffff83e60721 RDI: 0000000000000005 RBP: ffff888000ffffd0 R08: 0000000000001380 R09: 0000000000000040 R10: 0000000000000007 R11: 0000000000000000 R12: 000000000000004e R13: ffff888000ffff10 R14: 0000000000000000 R15: 0000000000000036 FS: 0000000000000000(0000) GS:ffff8880b9e00000(0063) knlGS:00000000f5542b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: ffff888001000000 CR3: 000000001c7d6000 CR4: 00000000001526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller(a)googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.

2 3

[syzbot] WARNING in drm_gem_shmem_vm_open
by syzbot 12 May '22

12 May '22

Hello, syzbot found the following issue on: HEAD commit: 614cb2751d31 Merge tag 'trace-v5.14-rc6' of git://git.kern.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1462cb61300000 kernel config: https://syzkaller.appspot.com/x/.config?x=96f0602203250753 dashboard link: https://syzkaller.appspot.com/bug?extid=91525b2bd4b5dff71619 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=122bce0e300000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+91525b2bd4b5dff71619(a)syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 0 PID: 11697 at drivers/gpu/drm/drm_gem_shmem_helper.c:562 drm_gem_shmem_vm_open+0x96/0xb0 drivers/gpu/drm/drm_gem_shmem_helper.c:562 Modules linked in: CPU: 0 PID: 11697 Comm: syz-executor.3 Not tainted 5.14.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:drm_gem_shmem_vm_open+0x96/0xb0 drivers/gpu/drm/drm_gem_shmem_helper.c:562 Code: 89 c6 e8 7d ec 23 fd 85 db 75 1a e8 34 e5 23 fd 48 89 ef 5b 5d 41 5c e9 e8 61 f5 ff e8 23 e5 23 fd 0f 0b eb ca e8 1a e5 23 fd <0f> 0b eb dd e8 b1 1f 6a fd eb 89 e8 aa 1f 6a fd eb a8 0f 1f 84 00 RSP: 0018:ffffc9000b3cfb90 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 00000000fffffffc RCX: 0000000000000000 RDX: ffff8880364eb880 RSI: ffffffff8451c3e6 RDI: 0000000000000003 RBP: ffff888033c70948 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff8451c3c3 R11: 0000000000000001 R12: ffff888146490800 R13: ffff888033c70a50 R14: 0000000020166000 R15: ffff888033c709d8 FS: 00007fbe43056700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000005422b8 CR3: 0000000036274000 CR4: 0000000000350ef0 Call Trace: __split_vma+0x23c/0x550 mm/mmap.c:2764 __do_munmap+0x32a/0x11c0 mm/mmap.c:2868 do_munmap mm/mmap.c:2922 [inline] munmap_vma_range mm/mmap.c:604 [inline] mmap_region+0x85a/0x1760 mm/mmap.c:1753 do_mmap+0x86e/0x1180 mm/mmap.c:1584 vm_mmap_pgoff+0x1b7/0x290 mm/util.c:519 ksys_mmap_pgoff+0x4a8/0x620 mm/mmap.c:1635 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665e9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fbe43056188 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 RDX: 0000000000000000 RSI: 0000000000002000 RDI: 0000000020166000 RBP: 00000000004bfcc4 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000000000013 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007fffb615701f R14: 00007fbe43056300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 89 c6 mov %eax,%esi 2: e8 7d ec 23 fd callq 0xfd23ec84 7: 85 db test %ebx,%ebx 9: 75 1a jne 0x25 b: e8 34 e5 23 fd callq 0xfd23e544 10: 48 89 ef mov %rbp,%rdi 13: 5b pop %rbx 14: 5d pop %rbp 15: 41 5c pop %r12 17: e9 e8 61 f5 ff jmpq 0xfff56204 1c: e8 23 e5 23 fd callq 0xfd23e544 21: 0f 0b ud2 23: eb ca jmp 0xffffffef 25: e8 1a e5 23 fd callq 0xfd23e544 2a: 0f 0b ud2 <-- trapping instruction 2c: eb dd jmp 0xb 2e: e8 b1 1f 6a fd callq 0xfd6a1fe4 33: eb 89 jmp 0xffffffbe 35: e8 aa 1f 6a fd callq 0xfd6a1fe4 3a: eb a8 jmp 0xffffffe4 3c: 0f .byte 0xf 3d: 1f (bad) 3e: 84 00 test %al,(%rax) --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller(a)googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches

4 5

[PATCH v3 0/5] drm: Provide framebuffer vmap helpers
by Thomas Zimmermann 09 May '22

09 May '22

Add the new helpers drm_gem_fb_vmap() and drm_gem_fb_vunmap(), which provide vmap/vunmap for all BOs of a framebuffer. Convert shadow- plane helpers, gud and vkms. Callers of GEM vmap and vunmap functions used to do the minimum work or get some detail wrong. Therefore shadow-plane helpers were intro- duced to implement the details for all callers. The vmapping code in the shadow-plane helpers is also useful for gud and vkms. So it makes sense to provide rsp helpers. Simply call drm_gem_fb_vmap() to retrieve mappings of all of a framebuffer's BOs. Future work: besides the mapping's addresses, drm_gem_fb_vmap() should also return the mappings with the framebuffer data offset added. These are the addresses were the actual image data is located. A follow-up set of patches will implement this feature. v3: * free instances of struct vkms_writeback_job on cleanup or errors v2: * update commit message for first patch (Maxime) * fix error handling after DRM_FORMAT_MAX_PLANES changes (kernel test robot) * fix includes (kernel test robot) * use [static N] notations for array parameters Thomas Zimmermann (5): drm: Define DRM_FORMAT_MAX_PLANES drm/gem: Provide drm_gem_fb_{vmap,vunmap}() drm/gem: Clear mapping addresses for unused framebuffer planes drm/gud: Map framebuffer BOs with drm_gem_fb_vmap() drm/vkms: Map output framebuffer BOs with drm_gem_fb_vmap() drivers/gpu/drm/drm_gem_atomic_helper.c | 37 +------- drivers/gpu/drm/drm_gem_framebuffer_helper.c | 96 ++++++++++++++++++-- drivers/gpu/drm/gud/gud_pipe.c | 10 +- drivers/gpu/drm/vkms/vkms_composer.c | 2 +- drivers/gpu/drm/vkms/vkms_drv.h | 6 +- drivers/gpu/drm/vkms/vkms_writeback.c | 28 +++--- include/drm/drm_fourcc.h | 13 ++- include/drm/drm_framebuffer.h | 8 +- include/drm/drm_gem_atomic_helper.h | 3 +- include/drm/drm_gem_framebuffer_helper.h | 6 ++ 10 files changed, 139 insertions(+), 70 deletions(-) base-commit: 2bda1ca4d4acb4892556fec3a7ea1f02afcd40bb prerequisite-patch-id: c2b2f08f0eccc9f5df0c0da49fa1d36267deb11d prerequisite-patch-id: c67e5d886a47b7d0266d81100837557fda34cb24 -- 2.32.0

2 9

[Bug 201991] New: amdgpu: clock management is disabled for the 4K resolution with polaris 10
by bugzilla-daemon＠bugzilla.kernel.org 29 Apr '22

29 Apr '22

https://bugzilla.kernel.org/show_bug.cgi?id=201991 Bug ID: 201991 Summary: amdgpu: clock management is disabled for the 4K resolution with polaris 10 Product: Drivers Version: 2.5 Kernel Version: 4.18.0,4.20.0-rc6, drm-next-4.21-wip Hardware: x86-64 OS: Linux Tree: Mainline Status: NEW Severity: enhancement Priority: P1 Component: Video(DRI - non Intel) Assignee: drivers_video-dri(a)kernel-bugs.osdl.org Reporter: fin4478(a)hotmail.com Regression: No Created attachment 280019 --> https://bugzilla.kernel.org/attachment.cgi?id=280019&action=edit simple app for the amdgpu sys interface When the Xfce desktop is visible at 4K and idling, the engine clock is fixed at level 6: 1220MHz and you can not change that. The temperature is 38 C. When the monitor is sleeping, then the engine clock is 300Mhz. The automatic power management works with 2560x1600 and lower resolutions as espected. I tested with my python app and I have latest drivers, including firmware files. My monitor is ASUS VP28UQG and I use the display port. System: Host: ryzenpc Kernel: 4.20.0-rc6 x86_64 bits: 64 Desktop: Xfce 4.12.4 Distro: Debian GNU/Linux buster/sid Machine: Type: Desktop Mobo: ASUSTeK model: PRIME B350M-K v: Rev X.0x serial: <root required> UEFI [Legacy]: American Megatrends v: 4023 date: 08/20/2018 CPU: 6-Core: AMD Ryzen 5 1600 type: MT MCP speed: 2851 MHz Graphics: Device-1: AMD Ellesmere [Radeon RX 470/480] driver: amdgpu v: kernel Display: x11 server: X.Org 1.20.3 driver: amdgpu,ati unloaded: fbdev,modesetting,vesa resolution: 3840x2160~60Hz OpenGL: renderer: Radeon RX 570 Series (POLARIS10 DRM 3.27.0 4.20.0-rc6 LLVM 7.0.1) v: 4.5 Mesa 19.0.0-devel (git-9ebc00f 2018-12-13 bionic-oibaf-ppa) -- You are receiving this mail because: You are watching the assignee of the bug.

2 6

[RFC 00/21] Renesas r8a7795/Salvator-X HDMI output prototype
by Ulrich Hecht 26 Apr '22

26 Apr '22

Hi! This is a prototype of HDMI output support for the Renesas r8a7795 SoC and Salvator-X board. It is based on the renesas-devel-20160516-v4.6 tree and includes the bridge API conversion patches to the adv7511 and rcar-du drivers written by Archit Taneja. The obvious issue with this series is the awkward binding of the dw-hdmi bridge IP, which can be seen in the "drm: rcar-du: Add dw_hdmi driver startup" patch. Any comments on how to implement this interface properly are much appreciated. Functionally, this series works as expected on both connectors, but EDID reading is currently broken. CU Uli Archit Taneja (2): drm: rcar-du: Remove i2c slave encoder interface for hdmi encoder drm: i2c: adv7511: Convert to drm_bridge Koji Matsuoka (12): media: vsp1: Set format to RPF input source drm: bridge/dw_hdmi: Fix R-Car Gen3 device support drm: rcar-du: Add R8A7795 device support drm: rcar-du: Add dw_hdmi driver startup drm: rcar-du: Add DPLL support drm: rcar-du: Fix display registers for R-Car Gen3 drm: rcar-du: Fix VSP plane number per devices drm: rcar-du: Fix VSP feed plane number drm: rcar-du: Add pixel format support drm: rcar-du: Fix display max size to 4096x2160 size arm64: dts: salvator-x: Add DU pins, HDMI connectors and encoder arm64: configs: Enable R-Car DU related config Kuninori Morimoto (1): arm64: defconfig: add VIDEO_RENESAS_FCP Ulrich Hecht (5): v4l: vsp1: Change VSP1 LIF linebuffer FIFO pinctrl: sh-pfc: r8a7795: Add DU support pinctrl: sh-pfc: r8a7795: Add HDMI CEC support arm64: dts: r8a7795: Add HDMI encoder support arm64: dts: r8a7795: add HDMI support to DU Vladimir Zapolskiy (1): drm: bridge/dw_hdmi: add dw hdmi i2c bus adapter support arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts | 107 +++++ arch/arm64/boot/dts/renesas/r8a7795.dtsi | 33 +- arch/arm64/configs/defconfig | 15 + drivers/gpu/drm/bridge/dw-hdmi.c | 489 +++++++++++++++++++-- drivers/gpu/drm/i2c/adv7511.c | 224 ++++++---- drivers/gpu/drm/rcar-du/Kconfig | 2 + drivers/gpu/drm/rcar-du/Makefile | 3 +- drivers/gpu/drm/rcar-du/rcar_du_crtc.c | 97 +++- drivers/gpu/drm/rcar-du/rcar_du_crtc.h | 12 +- drivers/gpu/drm/rcar-du/rcar_du_drv.c | 20 +- drivers/gpu/drm/rcar-du/rcar_du_drv.h | 6 +- drivers/gpu/drm/rcar-du/rcar_du_encoder.c | 12 +- drivers/gpu/drm/rcar-du/rcar_du_encoder.h | 13 +- drivers/gpu/drm/rcar-du/rcar_du_group.c | 5 + drivers/gpu/drm/rcar-du/rcar_du_hdmicon.c | 117 ----- drivers/gpu/drm/rcar-du/rcar_du_hdmicon.h | 31 -- drivers/gpu/drm/rcar-du/rcar_du_hdmienc.c | 260 ++++++++--- drivers/gpu/drm/rcar-du/rcar_du_kms.c | 68 ++- drivers/gpu/drm/rcar-du/rcar_du_kms.h | 1 + drivers/gpu/drm/rcar-du/rcar_du_plane.c | 8 +- drivers/gpu/drm/rcar-du/rcar_du_plane.h | 7 +- drivers/gpu/drm/rcar-du/rcar_du_regs.h | 19 + drivers/gpu/drm/rcar-du/rcar_du_vsp.c | 51 ++- drivers/media/platform/vsp1/vsp1_drm.c | 6 + drivers/media/platform/vsp1/vsp1_lif.c | 6 +- drivers/pinctrl/sh-pfc/pfc-r8a7795.c | 113 +++++ include/drm/bridge/dw_hdmi.h | 9 + 27 files changed, 1388 insertions(+), 346 deletions(-) delete mode 100644 drivers/gpu/drm/rcar-du/rcar_du_hdmicon.c delete mode 100644 drivers/gpu/drm/rcar-du/rcar_du_hdmicon.h -- 2.7.4

6 28

[Bug 212499] New: nouveau locking issue - WARNING: possible circular locking dependency detected
by bugzilla-daemon＠bugzilla.kernel.org 18 Apr '22

18 Apr '22

https://bugzilla.kernel.org/show_bug.cgi?id=212499 Bug ID: 212499 Summary: nouveau locking issue - WARNING: possible circular locking dependency detected Product: Drivers Version: 2.5 Kernel Version: 5.12-rc5 Hardware: x86-64 OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Video(DRI - non Intel) Assignee: drivers_video-dri(a)kernel-bugs.osdl.org Reporter: erhard_f(a)mailbox.org CC: dri-devel(a)lists.freedesktop.org Regression: No Created attachment 296155 --> https://bugzilla.kernel.org/attachment.cgi?id=296155&action=edit dmesg (kernel 5.12-rc5, A10-9700E) [...] ====================================================== WARNING: possible circular locking dependency detected 5.12.0-rc5-Excavator #4 Not tainted ------------------------------------------------------ X/593 is trying to acquire lock: ffff95f9110ec518 (&cli->mutex){+.+.}-{3:3}, at: nouveau_bo_move+0x167/0x990 [nouveau] but task is already holding lock: ffff95f8e70281a0 (reservation_ww_class_mutex){+.+.}-{3:3}, at: nouveau_bo_pin+0x3b/0x3c0 [nouveau] which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (reservation_ww_class_mutex){+.+.}-{3:3}: __ww_mutex_lock.constprop.0+0x99/0xf20 nouveau_bo_pin+0x3b/0x3c0 [nouveau] nouveau_channel_prep+0x126/0x2f0 [nouveau] nouveau_channel_new+0x5d/0x6b0 [nouveau] nouveau_abi16_ioctl_channel_alloc+0x10d/0x3a0 [nouveau] drm_ioctl_kernel+0xa8/0xf0 [drm] drm_ioctl+0x20a/0x3a0 [drm] nouveau_drm_ioctl+0x50/0xa0 [nouveau] __x64_sys_ioctl+0x81/0xa0 do_syscall_64+0x33/0x40 entry_SYSCALL_64_after_hwframe+0x44/0xae -> #0 (&cli->mutex){+.+.}-{3:3}: __lock_acquire+0x1480/0x2610 lock_acquire+0xc4/0x390 __mutex_lock+0x78/0x870 nouveau_bo_move+0x167/0x990 [nouveau] ttm_bo_handle_move_mem+0x8b/0x170 [ttm] ttm_bo_validate+0x193/0x1f0 [ttm] nouveau_bo_pin+0x177/0x3c0 [nouveau] nv50_wndw_prepare_fb+0x5a/0x4c0 [nouveau] drm_atomic_helper_prepare_planes+0x85/0x110 [drm_kms_helper] nv50_disp_atomic_commit+0xa6/0x1d0 [nouveau] drm_atomic_helper_update_plane+0xe4/0x140 [drm_kms_helper] drm_mode_cursor_universal+0x126/0x230 [drm] drm_mode_cursor_common+0xfc/0x230 [drm] drm_mode_cursor_ioctl+0x46/0x60 [drm] drm_ioctl_kernel+0xa8/0xf0 [drm] drm_ioctl+0x20a/0x3a0 [drm] nouveau_drm_ioctl+0x50/0xa0 [nouveau] __x64_sys_ioctl+0x81/0xa0 do_syscall_64+0x33/0x40 entry_SYSCALL_64_after_hwframe+0x44/0xae other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(reservation_ww_class_mutex); lock(&cli->mutex); lock(reservation_ww_class_mutex); lock(&cli->mutex); *** DEADLOCK *** 3 locks held by X/593: #0: ffffaae9888e7ce0 (crtc_ww_class_acquire){+.+.}-{0:0}, at: drm_mode_cursor_common+0xbb/0x230 [drm] #1: ffff95f9113b0098 (crtc_ww_class_mutex){+.+.}-{3:3}, at: modeset_lock+0x5f/0x1c0 [drm] #2: ffff95f8e70281a0 (reservation_ww_class_mutex){+.+.}-{3:3}, at: nouveau_bo_pin+0x3b/0x3c0 [nouveau] stack backtrace: CPU: 3 PID: 593 Comm: X Not tainted 5.12.0-rc5-Excavator #4 Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./A320M-HDV R3.0, BIOS P3.10 06/26/2019 Call Trace: dump_stack+0x7f/0xad check_noncircular+0x104/0x120 ? nvkm_uvmm_mthd+0x778/0x7b0 [nouveau] __lock_acquire+0x1480/0x2610 lock_acquire+0xc4/0x390 ? nouveau_bo_move+0x167/0x990 [nouveau] ? nvif_object_mthd+0x112/0x130 [nouveau] __mutex_lock+0x78/0x870 ? nouveau_bo_move+0x167/0x990 [nouveau] ? nouveau_bo_move+0x167/0x990 [nouveau] nouveau_bo_move+0x167/0x990 [nouveau] ? unmap_mapping_pages+0x59/0x120 ttm_bo_handle_move_mem+0x8b/0x170 [ttm] ttm_bo_validate+0x193/0x1f0 [ttm] ? nouveau_bo_sync_for_device+0x9b/0xe0 [nouveau] nouveau_bo_pin+0x177/0x3c0 [nouveau] nv50_wndw_prepare_fb+0x5a/0x4c0 [nouveau] ? _raw_spin_unlock_irqrestore+0x42/0x50 drm_atomic_helper_prepare_planes+0x85/0x110 [drm_kms_helper] ? lockdep_init_map_type+0x47/0x220 nv50_disp_atomic_commit+0xa6/0x1d0 [nouveau] drm_atomic_helper_update_plane+0xe4/0x140 [drm_kms_helper] drm_mode_cursor_universal+0x126/0x230 [drm] drm_mode_cursor_common+0xfc/0x230 [drm] ? drm_mode_setplane+0x1a0/0x1a0 [drm] drm_mode_cursor_ioctl+0x46/0x60 [drm] drm_ioctl_kernel+0xa8/0xf0 [drm] drm_ioctl+0x20a/0x3a0 [drm] ? drm_mode_setplane+0x1a0/0x1a0 [drm] ? lockdep_hardirqs_on_prepare+0xd4/0x180 ? _raw_spin_unlock_irqrestore+0x42/0x50 nouveau_drm_ioctl+0x50/0xa0 [nouveau] __x64_sys_ioctl+0x81/0xa0 do_syscall_64+0x33/0x40 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f0621dbecc7 Code: 3c 1c 48 f7 d8 49 39 c4 72 b9 e8 24 ff ff ff 85 c0 78 be 5b 4c 89 e0 5d 41 5c c3 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 71 41 0c 00 f7 d8 64 89 01 48 RSP: 002b:00007ffd8eb88dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f0621dbecc7 RDX: 00007ffd8eb88e1c RSI: 00000000c01c64a3 RDI: 000000000000000c RBP: 00000000c01c64a3 R08: 0000000000000040 R09: 0000000000000001 R10: 00007f0622505bc0 R11: 0000000000000246 R12: 000055fbec3f5ec0 R13: 00007ffd8eb88e1c R14: 00000000000003bc R15: 0000000000000218 # lspci -s 04:00.0 -v 04:00.0 VGA compatible controller: NVIDIA Corporation GK208B [GeForce GT 710] (rev a1) (prog-if 00 [VGA controller]) Subsystem: ASUSTeK Computer Inc. GT710-4H-SL-2GD5 Flags: bus master, fast devsel, latency 0, IRQ 51, IOMMU group 0 Memory at fd000000 (32-bit, non-prefetchable) [size=16M] Memory at e8000000 (64-bit, prefetchable) [size=128M] Memory at f0000000 (64-bit, prefetchable) [size=32M] I/O ports at e000 [size=128] Expansion ROM at 000c0000 [disabled] [size=128K] Capabilities: [60] Power Management version 3 Capabilities: [68] MSI: Enable+ Count=1/1 Maskable- 64bit+ Capabilities: [78] Express Legacy Endpoint, MSI 00 Capabilities: [100] Virtual Channel Capabilities: [128] Power Budgeting <?> Capabilities: [600] Vendor Specific Information: ID=0001 Rev=1 Len=024 <?> Capabilities: [900] Secondary PCI Express Kernel driver in use: nouveau Kernel modules: nouveau -- You may reply to this email to add a comment. You are receiving this mail because: You are on the CC list for the bug. You are watching the assignee of the bug.

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[Bug 212635] New: nouveau 0000:04:00.0: fifo: fault 00 [READ] at 0000000000380000 engine 00 [GR] client 14 [HUB/SCC] reason 02 [PTE] on channel 5 [007fabf000 X[570]]
by bugzilla-daemon＠bugzilla.kernel.org 18 Apr '22

18 Apr '22

https://bugzilla.kernel.org/show_bug.cgi?id=212635 Bug ID: 212635 Summary: nouveau 0000:04:00.0: fifo: fault 00 [READ] at 0000000000380000 engine 00 [GR] client 14 [HUB/SCC] reason 02 [PTE] on channel 5 [007fabf000 X[570]] Product: Drivers Version: 2.5 Kernel Version: 5.11.12 Hardware: x86-64 OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Video(DRI - non Intel) Assignee: drivers_video-dri(a)kernel-bugs.osdl.org Reporter: erhard_f(a)mailbox.org Regression: No Created attachment 296315 --> https://bugzilla.kernel.org/attachment.cgi?id=296315&action=edit dmesg (kernel 5.11.12) Happened during browsing on Firefox, WebGL conformance tests were running in the background (https://www.khronos.org/registry/webgl/sdk/tests/webgl-conformance-tests.ht…). The screen went blank, but I got to desktop back again and the machine stayed usable. [...] nouveau 0000:04:00.0: fifo: fault 00 [READ] at 0000000000380000 engine 00 [GR] client 14 [HUB/SCC] reason 02 [PTE] on channel 5 [007fabf000 X[570]] nouveau 0000:04:00.0: fifo: channel 5: killed nouveau 0000:04:00.0: fifo: runlist 0: scheduled for recovery nouveau 0000:04:00.0: fifo: engine 0: scheduled for recovery nouveau 0000:04:00.0: X[570]: channel 5 killed! nouveau 0000:04:00.0: fifo: fault 00 [READ] at 0000000000380000 engine 00 [GR] client 14 [HUB/SCC] reason 02 [PTE] on channel 5 [007fabf000 X[570]] nouveau 0000:04:00.0: fifo: channel 5: killed nouveau 0000:04:00.0: fifo: runlist 0: scheduled for recovery nouveau 0000:04:00.0: fifo: engine 0: scheduled for recovery nouveau 0000:04:00.0: X[570]: channel 5 killed! nouveau 0000:04:00.0: fifo: fault 00 [READ] at 0000000000380000 engine 00 [GR] client 14 [HUB/SCC] reason 02 [PTE] on channel 5 [007fabf000 X[570]] nouveau 0000:04:00.0: fifo: channel 5: killed nouveau 0000:04:00.0: fifo: runlist 0: scheduled for recovery nouveau 0000:04:00.0: fifo: engine 0: scheduled for recovery nouveau 0000:04:00.0: X[570]: channel 5 killed! nouveau 0000:04:00.0: fifo: fault 00 [READ] at 0000000000380000 engine 00 [GR] client 14 [HUB/SCC] reason 02 [PTE] on channel 5 [007fabf000 X[570]] nouveau 0000:04:00.0: fifo: channel 5: killed nouveau 0000:04:00.0: fifo: runlist 0: scheduled for recovery nouveau 0000:04:00.0: fifo: engine 0: scheduled for recovery nouveau 0000:04:00.0: X[570]: channel 5 killed! # inxi -b System: Kernel: 5.11.12-gentoo-Excavator x86_64 bits: 64 Desktop: MATE 1.24.0 Distro: Gentoo Base System release 2.7 Machine: Type: Desktop Mobo: ASRock model: A320M-HDV R3.0 serial: M80-BA024200938 UEFI: American Megatrends v: P3.10 date: 06/26/2019 CPU: Info: Quad Core AMD A10-9700E RADEON R7 10 COMPUTE CORES 4C+6G [MCP] speed: 3300 MHz min/max: 800/3000 MHz Graphics: Device-1: NVIDIA GK208B [GeForce GT 710] driver: nouveau v: kernel Display: x11 server: X.Org 1.20.10 driver: modesetting resolution: 1920x1080~60Hz OpenGL: renderer: NV106 v: 4.3 Mesa 20.3.5 Network: Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet driver: r8169 # lspci 00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Processor Root Complex 00:00.2 IOMMU: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) I/O Memory Management Unit 00:02.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Host Bridge 00:02.4 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Processor Root Port 00:02.5 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Processor Root Port 00:03.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Host Bridge 00:03.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Processor Root Port 00:08.0 Encryption controller: Advanced Micro Devices, Inc. [AMD] Carrizo Platform Security Processor 00:09.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Carrizo Audio Dummy Host Bridge 00:09.2 Audio device: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Audio Controller 00:10.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB XHCI Controller (rev 20) 00:11.0 SATA controller: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] (rev 49) 00:12.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB EHCI Controller (rev 49) 00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller (rev 4a) 00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge (rev 11) 00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Processor Function 0 00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Processor Function 1 00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Processor Function 2 00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Processor Function 3 00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Processor Function 4 00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Processor Function 5 01:00.0 USB controller: Advanced Micro Devices, Inc. [AMD] Device 43bc (rev 02) 01:00.1 SATA controller: Advanced Micro Devices, Inc. [AMD] Device 43b8 (rev 02) 01:00.2 PCI bridge: Advanced Micro Devices, Inc. [AMD] Device 43b3 (rev 02) 02:04.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 300 Series Chipset PCIe Port (rev 02) 02:06.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 300 Series Chipset PCIe Port (rev 02) 02:07.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 300 Series Chipset PCIe Port (rev 02) 04:00.0 VGA compatible controller: NVIDIA Corporation GK208B [GeForce GT 710] (rev a1) 04:00.1 Audio device: NVIDIA Corporation GK208 HDMI/DP Audio Controller (rev a1) 05:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15) 06:00.0 Non-Volatile memory controller: Sandisk Corp WD Black 2019/PC SN750 NVMe SSD 07:00.0 USB controller: ASMedia Technology Inc. ASM2142 USB 3.1 Host Controller -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.

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[PATCH v5 1/2] dt-bindings: Add DT schema for Arm Mali Valhall GPU
by Nick Fan 14 Apr '22

14 Apr '22

Add devicetree schema for Arm Mali Valhall GPU Define a compatible string for the Mali Valhall GPU for Mediatek's SoC platform. Signed-off-by: Nick Fan <Nick.Fan(a)mediatek.com> --- .../bindings/gpu/arm,mali-valhall.yaml | 217 ++++++++++++++++++ 1 file changed, 217 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpu/arm,mali-valhall.yaml diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-valhall.yaml b/Documentation/devicetree/bindings/gpu/arm,mali-valhall.yaml new file mode 100644 index 000000000000..275c14ad173a --- /dev/null +++ b/Documentation/devicetree/bindings/gpu/arm,mali-valhall.yaml @@ -0,0 +1,217 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (c) 2020 MediaTek Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpu/arm,mali-valhall.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ARM Mali Valhall GPU + +maintainers: + - Rob Herring <robh(a)kernel.org> + +properties: + $nodename: + pattern: '^gpu@[a-f0-9]+$' + + compatible: + items: + - enum: + - mediatek,mt8192-mali + - const: arm,mali-valhall + + reg: + maxItems: 1 + + interrupts: + items: + - description: GPU interrupt + - description: MMU interrupt + - description: Job interrupt + + interrupt-names: + items: + - const: gpu + - const: mmu + - const: job + + clocks: + minItems: 1 + + power-domains: + minItems: 1 + maxItems: 5 + + mali-supply: true + sram-supply: true + + operating-points-v2: true + opp_table: true + + "#cooling-cells": + const: 2 + +required: + - compatible + - reg + - interrupts + - interrupt-names + - clocks + +additionalProperties: false + +allOf: + - if: + properties: + compatible: + contains: + const: mediatek,mt8192-mali + then: + properties: + power-domains: + minItems: 5 + maxItems: 5 + + power-domain-names: + items: + - const: core0 + - const: core1 + - const: core2 + - const: core3 + - const: core4 + + required: + - sram-supply + - power-domains + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + gpu@13000000 { + compatible = "mediatek,mt8192-mali", "arm,mali-valhall"; + reg = <0x13000000 0x4000>; + interrupts = + <GIC_SPI 363 IRQ_TYPE_LEVEL_HIGH 0>, + <GIC_SPI 364 IRQ_TYPE_LEVEL_HIGH 0>, + <GIC_SPI 365 IRQ_TYPE_LEVEL_HIGH 0>; + interrupt-names = + "gpu", + "mmu", + "job"; + + clocks = <&mfgcfg 0>; + + power-domains = + <&spm 4>, + <&spm 5>, + <&spm 6>, + <&spm 7>, + <&spm 8>; + + operating-points-v2 = <&gpu_opp_table>; + mali-supply = <&mt6315_7_vbuck1>; + sram-supply = <&mt6359_vsram_others_ldo_reg>; + gpu_opp_table: opp_table { + compatible = "operating-points-v2"; + opp-shared; + + opp-358000000 { + opp-hz = /bits/ 64 <358000000>; + opp-microvolt = <606250>, + <750000>; + }; + + opp-399000000 { + opp-hz = /bits/ 64 <399000000>; + opp-microvolt = <618750>, + <750000>; + }; + + opp-440000000 { + opp-hz = /bits/ 64 <440000000>; + opp-microvolt = <631250>, + <750000>; + }; + + opp-482000000 { + opp-hz = /bits/ 64 <482000000>; + opp-microvolt = <643750>, + <750000>; + }; + + opp-523000000 { + opp-hz = /bits/ 64 <523000000>; + opp-microvolt = <656250>, + <750000>; + }; + + opp-564000000 { + opp-hz = /bits/ 64 <564000000>; + opp-microvolt = <668750>, + <750000>; + }; + + opp-605000000 { + opp-hz = /bits/ 64 <605000000>; + opp-microvolt = <681250>, + <750000>; + }; + + opp-647000000 { + opp-hz = /bits/ 64 <647000000>; + opp-microvolt = <693750>, + <750000>; + }; + + opp-688000000 { + opp-hz = /bits/ 64 <688000000>; + opp-microvolt = <706250>, + <750000>; + }; + + opp-724000000 { + opp-hz = /bits/ 64 <724000000>; + opp-microvolt = <725000>, + <750000>; + }; + + opp-760000000 { + opp-hz = /bits/ 64 <760000000>; + opp-microvolt = <743750>, + <750000>; + }; + + opp-795000000 { + opp-hz = /bits/ 64 <795000000>; + opp-microvolt = <762500>, + <762500>; + }; + + opp-831000000 { + opp-hz = /bits/ 64 <831000000>; + opp-microvolt = <781250>, + <781250>; + }; + + opp-855000000 { + opp-hz = /bits/ 64 <855000000>; + opp-microvolt = <793750>, + <793750>; + }; + + opp-902000000 { + opp-hz = /bits/ 64 <902000000>; + opp-microvolt = <818750>, + <818750>; + }; + + opp-950000000 { + opp-hz = /bits/ 64 <950000000>; + opp-microvolt = <843750>, + <843750>; + }; + }; + }; +... -- 2.18.0

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[Bug 211425] New: [drm:atom_op_jump] *ERROR* atombios stuck in loop for more than 20secs aborting
by bugzilla-daemon＠bugzilla.kernel.org 11 Apr '22

11 Apr '22

https://bugzilla.kernel.org/show_bug.cgi?id=211425 Bug ID: 211425 Summary: [drm:atom_op_jump] *ERROR* atombios stuck in loop for more than 20secs aborting Product: Drivers Version: 2.5 Kernel Version: 5.10.10 Hardware: x86-64 OS: Linux Tree: Mainline Status: NEW Severity: high Priority: P1 Component: Video(DRI - non Intel) Assignee: drivers_video-dri(a)kernel-bugs.osdl.org Reporter: icedragon.aw(a)web.de Regression: No Reproducible: Every times when I switched my monitor off and on again, then my screen keeps black for round about a minute - the DP port seem to be in a kind of suspend state. After a minute I can try to switch my monitor off and on again or switching between the linux consoles, then my screen comes back. If I try this earlier than after a minute I get no success. My dmesg output shows the following errors (triggered by this event): [Di Jan 26 12:59:17 2021] [drm] amdgpu_dm_irq_schedule_work FAILED src 2 [Di Jan 26 12:59:19 2021] [drm:atom_op_jump] *ERROR* atombios stuck in loop for more than 20secs aborting [Di Jan 26 12:59:19 2021] [drm:amdgpu_atom_execute_table_locked] *ERROR* atombios stuck executing B200 (len 3615, WS 8, PS 0) @ 0xB34E [Di Jan 26 12:59:19 2021] [drm:amdgpu_atom_execute_table_locked] *ERROR* atombios stuck executing B0F4 (len 268, WS 4, PS 0) @ 0xB147 [Di Jan 26 12:59:19 2021] [drm:dcn10_link_encoder_enable_dp_output] *ERROR* dcn10_link_encoder_enable_dp_output: Failed to execute VBIOS command table! [Di Jan 26 12:59:41 2021] [drm:atom_op_jump] *ERROR* atombios stuck in loop for more than 20secs aborting [Di Jan 26 12:59:41 2021] [drm:amdgpu_atom_execute_table_locked] *ERROR* atombios stuck executing B200 (len 3615, WS 8, PS 0) @ 0xB6EA [Di Jan 26 12:59:41 2021] [drm:amdgpu_atom_execute_table_locked] *ERROR* atombios stuck executing B0F4 (len 268, WS 4, PS 0) @ 0xB147 [Di Jan 26 12:59:41 2021] [drm:dcn10_link_encoder_enable_dp_output] *ERROR* dcn10_link_encoder_enable_dp_output: Failed to execute VBIOS command table! [Di Jan 26 12:59:42 2021] [drm] amdgpu_dm_irq_schedule_work FAILED src 2 I observe such issues with switching monitor off and on again at least since 5.10.4 - I have not tested this with an older kernel version, because at this time of 5.10.4 I changed my system from an intel processor to this AMD system: System: Kubuntu 20.10, Ryzon 7 PRO 4750G - using only integrated GPU (Vega10): Jan 24 17:41:38 localhost kernel: [ 0.000000] Linux version 5.10.10-aw (root@icehome) (gcc (Ubuntu 10.2.0-13ubuntu1) 10.2.0, GNU ld (GNU Binutils for Ubuntu) 2.35.1) #1 SMP PREEMPT Sun Jan 24 17:36:28 CET 2021 Jan 24 17:41:38 localhost kernel: [ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.10.10-aw root=UUID=6ff371aa-4315-475d-b8ec-b0a642c9eb5b ro nosplash video=1920x1080 Jan 24 17:41:38 localhost kernel: [ 0.000000] KERNEL supported cpus: Jan 24 17:41:38 localhost kernel: [ 0.000000] AMD AuthenticAMD ... -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.

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dri-devel August 2021