WARNING: CPU: 2 PID: 858 at drivers/gpu/drm/drm_dp_helper.c:156 drm_dp_link_rate_to_bw_code+0x5f/0x80 [drm_kms_helper]
unknown DP link rate 0, using 6
Modules linked in: nfsv3 nfs_acl rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache overlay sunrpc intel_pmc_core intel_powerclamp coretemp intel_rapl snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_seq snd_seq_device kvm_intel snd_pcm kvm snd_timer dm_mod dell_wmi snd dell_smbios dell_wmi_descriptor mei_wdt irqbypass soundcore iTCO_wdt iTCO_vendor_support sparse_keymap intel_wmi_thunderbolt pcspkr mei_me dcdbas mei crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd pinctrl_sunrisepoint sg wmi pinctrl_intel i2c_i801 acpi_pad ip_tables ext4 mbcache jbd2 sr_mod sd_mod cdrom crc_t10dif crct10dif_generic radeon i915 iosf_mbi i2c_algo_bit drm_kms_helper crct10dif_pclmul
crct10dif_common e1000e ttm syscopyarea sysfillrect sysimgblt ahci fb_sys_fops crc32c_intel serio_raw libahci drm libata ptp pps_core drm_panel_orientation_quirks video i2c_hid
CPU: 2 PID: 858 Comm: X Kdump: loaded Tainted: G        W      ------------   3.10.0-1160.71.1.el7.x86_64 #1
Hardware name: Dell Inc. Precision Tower 3620/0MWYPT, BIOS 2.3.2 06/08/2017
Call Trace:
[<ffffffffbd7865c9>] dump_stack+0x19/0x1b
[<ffffffffbd09b408>] __warn+0xd8/0x100
[<ffffffffbd09b48f>] warn_slowpath_fmt+0x5f/0x80
[<ffffffffc04d6af0>] ? drm_dp_dpcd_write+0xa0/0xb0 [drm_kms_helper]
[<ffffffffc04d687f>] drm_dp_link_rate_to_bw_code+0x5f/0x80 [drm_kms_helper]
[<ffffffffc0796e9e>] radeon_dp_link_train+0x1ce/0x590 [radeon]
[<ffffffffc07b43b8>] radeon_atom_encoder_dpms_dig+0x228/0x510 [radeon]
[<ffffffffc07b477b>] radeon_atom_encoder_dpms+0xdb/0x170 [radeon]
[<ffffffffc07b4b64>] radeon_atom_encoder_commit+0x14/0x30 [radeon]
[<ffffffffc04d4a7e>] drm_crtc_helper_set_mode+0x48e/0x530 [drm_kms_helper]
[<ffffffffc04d549e>] drm_crtc_helper_set_config+0x82e/0x900 [drm_kms_helper]
[<ffffffffc07567eb>] radeon_crtc_set_config+0x4b/0x120 [radeon]
[<ffffffffc0394b95>] __drm_mode_set_config_internal+0xb5/0x160 [drm]
[<ffffffffc0395814>] drm_mode_setcrtc+0x654/0x6b0 [drm]
[<ffffffffc03a79ef>] ? drm_mode_obj_set_property_ioctl+0x26f/0x2d0 [drm]
[<ffffffffc03951c0>] ? drm_mode_getcrtc+0x1a0/0x1a0 [drm]
[<ffffffffc038f92c>] drm_ioctl_kernel+0xbc/0x100 [drm]
[<ffffffffc038fbb4>] drm_ioctl+0x244/0x450 [drm]
[<ffffffffc03951c0>] ? drm_mode_getcrtc+0x1a0/0x1a0 [drm]
[<ffffffffc072b04b>] radeon_drm_ioctl+0x4b/0x80 [radeon]
[<ffffffffbd2638f0>] do_vfs_ioctl+0x3a0/0x5b0
[<ffffffffbd794678>] ? __do_page_fault+0x238/0x500
[<ffffffffbd263b81>] SyS_ioctl+0x81/0xa0
[<ffffffffbd13ecd6>] ? __audit_syscall_exit+0x1f6/0x2b0
[<ffffffffbd799f92>] system_call_fastpath+0x25/0x2a

WARNING: CPU: 1 PID: 9793 at drivers/gpu/drm/drm_dp_helper.c:156 drm_dp_link_rate_to_bw_code+0x67/0x90 [drm_kms_helper]
unknown DP link rate 0, using 6
Modules linked in: nfsv3 xt_nat nf_log_ipv4 nf_log_common xt_LOG xt_limit nf_nat_ftp iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_irc nf_conntrack_ftp rpcsec_gss_krb5 nfsv4 dns_resolver nfs fscache nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack iptable_filter vfat fat sb_edac iTCO_wdt iTCO_vendor_support mei_wdt intel_powerclamp hp_wmi coretemp sparse_keymap intel_rapl iosf_mbi rfkill kvm snd_hda_codec_realtek irqbypass crc32_pclmul snd_hda_codec_generic ghash_clmulni_intel snd_hda_codec_hdmi snd_hda_intel snd_hda_codec aesni_intel lrw gf128mul glue_helper ablk_helper cryptd pcspkr snd_hda_core snd_hwdep snd_seq lpc_ich i2c_i801 snd_seq_device snd_pcm sg mei_me snd_timer mei snd soundcore wmi tpm_infineon nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables xfs libcrc32c raid1
sd_mod sr_mod cdrom crc_t10dif crct10dif_generic radeon drm_kms_helper syscopyarea sysfillrect crct10dif_pclmul crct10dif_common sysimgblt fb_sys_fops ttm crc32c_intel serio_raw drm e1000e igb ahci libahci dca libata i2c_algo_bit ptp pps_core drm_panel_orientation_quirks dm_mirror dm_region_hash dm_log dm_mod fuse
CPU: 1 PID: 9793 Comm: X Kdump: loaded Tainted: G        W      ------------   3.10.0-1160.88.1.el7.x86_64 #1
Hardware name: Hewlett-Packard HP Z440 Workstation/212B, BIOS M60 v02.31 12/14/2016
Call Trace:
[<ffffffff9ffb1bec>] dump_stack+0x19/0x1f
[<ffffffff9f89f868>] __warn+0xd8/0x100
[<ffffffff9f89f8ef>] warn_slowpath_fmt+0x5f/0x80
[<ffffffffc0368be0>] ? drm_dp_dpcd_write+0xa0/0xc0 [drm_kms_helper]
[<ffffffffc0368947>] drm_dp_link_rate_to_bw_code+0x67/0x90 [drm_kms_helper]
[<ffffffffc040225e>] radeon_dp_link_train+0x1ce/0x590 [radeon]
[<ffffffffc041fc18>] radeon_atom_encoder_dpms_dig+0x228/0x510 [radeon]
[<ffffffffc041ffe3>] radeon_atom_encoder_dpms+0xe3/0x170 [radeon]
[<ffffffffc04203c4>] radeon_atom_encoder_commit+0x14/0x30 [radeon]
[<ffffffffc0366a8e>] drm_crtc_helper_set_mode+0x48e/0x530 [drm_kms_helper]
[<ffffffffc03674ae>] drm_crtc_helper_set_config+0x82e/0x900 [drm_kms_helper]
[<ffffffffc03c110b>] radeon_crtc_set_config+0x4b/0x130 [radeon]
[<ffffffffc02a8075>] __drm_mode_set_config_internal+0xb5/0x160 [drm]
[<ffffffffc02a8d34>] drm_mode_setcrtc+0x654/0x6b0 [drm]
[<ffffffff9fa3323d>] ? __slab_free+0x9d/0x2b0
[<ffffffff9f8e726e>] ? account_entity_dequeue+0xae/0xd0
[<ffffffffc02a86e0>] ? drm_mode_getcrtc+0x1a0/0x1a0 [drm]
[<ffffffffc02a2bcc>] drm_ioctl_kernel+0xbc/0x100 [drm]
[<ffffffffc02a2e5c>] drm_ioctl+0x24c/0x450 [drm]
[<ffffffff9f8b53ab>] ? recalc_sigpending+0x1b/0x80
[<ffffffffc02a86e0>] ? drm_mode_getcrtc+0x1a0/0x1a0 [drm]
[<ffffffffc039504b>] radeon_drm_ioctl+0x4b/0x80 [radeon]
[<ffffffff9fa71918>] do_vfs_ioctl+0x3a8/0x5c0
[<ffffffff9f8b53ab>] ? recalc_sigpending+0x1b/0x80
[<ffffffff9fa71bb1>] SyS_ioctl+0x81/0xa0
[<ffffffff9ffc539a>] system_call_fastpath+0x25/0x2a

WARNING: CPU: 1 PID: 1487 at drivers/gpu/drm/drm_dp_helper.c:156 drm_dp_link_rate_to_bw_code+0x5f/0x80 [drm_kms_helper]
unknown DP link rate 0, using 6
Modules linked in: cmac xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun devlink bnep ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 ipt_REJECT nf_reject_ipv4 xt_conntrack ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat iptable_mangle iptable_security iptable_raw nf_conntrack libcrc32c ip_set ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter dm_mirror dm_region_hash dm_log dm_mod arc4 ath9k ath9k_common ath9k_hw intel_pmc_core intel_powerclamp coretemp intel_rapl iosf_mbi kvm_intel ath kvm mac80211 iTCO_wdt iTCO_vendor_support snd_hda_codec_realtek irqbypass dell_wmi crc32_pclmul dell_smbios snd_hda_codec_generic
sparse_keymap dell_wmi_descriptor intel_wmi_thunderbolt snd_hda_codec_hdmi cfg80211 ghash_clmulni_intel snd_hda_intel snd_hda_codec dcdbas snd_hda_core snd_hwdep snd_seq ath3k snd_seq_device btusb btrtl btbcm btintel bluetooth aesni_intel snd_pcm lrw gf128mul glue_helper ablk_helper cryptd i2c_i801 pcspkr joydev sg snd_timer rfkill snd soundcore wmi pinctrl_sunrisepoint pinctrl_intel video mei_me mei acpi_pad nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables ext4 mbcache jbd2 rtsx_usb_sdmmc mmc_core rtsx_usb sd_mod sr_mod cdrom crc_t10dif crct10dif_generic radeon i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt ahci fb_sys_fops ttm libahci drm crct10dif_pclmul crct10dif_common crc32c_intel serio_raw libata r8169 drm_panel_orientation_quirks i2c_hid fuse
CPU: 1 PID: 1487 Comm: X Tainted: G        W      ------------   3.10.0-1160.31.1.el7.x86_64 #1
Hardware name: Dell Inc. Vostro 3650  /0VGHXY, BIOS 3.12.1 12/25/2020
Call Trace:
[<ffffffffb41835a9>] dump_stack+0x19/0x1b
[<ffffffffb3a9b248>] __warn+0xd8/0x100
[<ffffffffb3a9b2cf>] warn_slowpath_fmt+0x5f/0x80
[<ffffffffc0494af0>] ? drm_dp_dpcd_write+0xa0/0xb0 [drm_kms_helper]
[<ffffffffc049487f>] drm_dp_link_rate_to_bw_code+0x5f/0x80 [drm_kms_helper]
[<ffffffffc052ce9e>] radeon_dp_link_train+0x1ce/0x590 [radeon]
Generic Realtek PHY r8169-200:00: attached PHY driver [Generic Realtek PHY] (mii_bus:phy_addr=r8169-200:00, irq=-2)
[<ffffffffc054a3b8>] radeon_atom_encoder_dpms_dig+0x228/0x510 [radeon]
[<ffffffffc054a77b>] radeon_atom_encoder_dpms+0xdb/0x170 [radeon]
[<ffffffffc054ab64>] radeon_atom_encoder_commit+0x14/0x30 [radeon]
[<ffffffffc0492a7e>] drm_crtc_helper_set_mode+0x48e/0x530 [drm_kms_helper]
[<ffffffffc049349e>] drm_crtc_helper_set_config+0x82e/0x900 [drm_kms_helper]
[<ffffffffc04ec7eb>] radeon_crtc_set_config+0x4b/0x120 [radeon]
[<ffffffffc03ecb95>] __drm_mode_set_config_internal+0xb5/0x160 [drm]
[<ffffffffc03ed814>] drm_mode_setcrtc+0x654/0x6b0 [drm]
[<ffffffffc03fb514>] ? drm_mode_addfb+0xa4/0x100 [drm]
[<ffffffffc03ed1c0>] ? drm_mode_getcrtc+0x1a0/0x1a0 [drm]
[<ffffffffc03e792c>] drm_ioctl_kernel+0xbc/0x100 [drm]
[<ffffffffc03e7bb4>] drm_ioctl+0x244/0x450 [drm]
[<ffffffffc03ed1c0>] ? drm_mode_getcrtc+0x1a0/0x1a0 [drm]
[<ffffffffc04c104b>] radeon_drm_ioctl+0x4b/0x80 [radeon]
[<ffffffffb3c635c0>] do_vfs_ioctl+0x3a0/0x5b0
[<ffffffffb3c50f41>] ? __sb_end_write+0x31/0x70
[<ffffffffb3c63871>] SyS_ioctl+0xa1/0xc0
[<ffffffffb4195f92>] system_call_fastpath+0x25/0x2a