Re: kern/54976: radeon framebuffer fails initialization in NetBSD-9

[Roy Bixler <rcbixler%nyx.net@localhost>]

The following reply was made to PR kern/54976; it has been noted by GNATS.

From: Roy Bixler <rcbixler%nyx.net@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: kern/54976: radeon framebuffer fails initialization in NetBSD-9
Date: Tue, 18 Feb 2020 19:22:06 -0700

 In case it helps, here is "dmesg" output from my patched kernel:
 
 [     5.108939] kern info: [drm] initializing kernel modesetting (KAVERI 0x1002:0x130B 0x17AA:0x5111).
 [     5.108939] kern info: [drm] register mmio base: 0xf0c00000
 [     5.108939] kern info: [drm] register mmio size: 262144
 [     5.108939] kern info: [drm] doorbell mmio base: 0xF0000000
 [     5.108939] kern info: [drm] doorbell mmio size: 8388608
 [     5.108939] kern info: ATOM BIOS: 113
 [     5.108939] kern info: [drm] Changing default dispclk from 496Mhz to 600Mhz
 [     5.108939] radeon0: info: VRAM: 512M 0x0000000000000000 - 0x000000001FFFFFFF (512M used)
 [     5.108939] radeon0: info: GTT: 2048M 0x0000000020000000 - 0x000000009FFFFFFF
 [     5.108939] kern info: [drm] Detected VRAM RAM=200M, BAR=256M
 [     5.108939] kern info: [drm] RAM width 128bits DDR
 [     5.108939] Zone  kernel: Available graphics memory: 926640 kiB
 [     5.108939] kern info: [drm] radeon: 512M of VRAM memory ready
 [     5.108939] kern info: [drm] radeon: 2048M of GTT memory ready.
 [     5.108939] kern info: [drm] Loading kaveri Microcode
 [     5.108939] kern info: [drm] initializing kernel modesetting (HAINAN 0x1002:0x6664 0x17AA:0x5111).
 [     5.108939] kern info: [drm] register mmio base: 0xf0b00000
 [     5.108939] kern info: [drm] register mmio size: 262144
 [     5.108939] kern error: [drm:(/usr/src/sys/external/bsd/drm2/dist/drm/radeon/radeon_bios.c:725)radeon_get_bios] *ERROR* Unable to locate a BIOS ROM
 [     5.108939] radeon1: autoconfiguration error: error: Fatal error during GPU init
 [     5.108939] radeon1: autoconfiguration error: unable to attach drm: 22
 [     5.259329] kern info: [drm] Internal thermal controller without fan control
 [     5.259329] kern info: [drm] radeon: dpm initialized
 [     5.309373] kern info: [drm] Found VCE firmware/feedback version 40.2.2 / 15!
 [     5.309373] kern info: [drm] GART: num cpu pages 524288, num gpu pages 524288
 [     5.369561] kern info: [drm] PCIE GART of 2048M enabled (table at 0x0000000000324000).
 [     5.369561] radeon0: info: WB enabled
 [     5.369561] radeon0: info: fence driver on ring 0 use gpu addr 0x0000000020000c00 and cpu addr 0x0xfffff6416b58ac00
 [     5.369561] radeon0: info: fence driver on ring 1 use gpu addr 0x0000000020000c04 and cpu addr 0x0xfffff6416b58ac04
 [     5.369561] radeon0: info: fence driver on ring 2 use gpu addr 0x0000000020000c08 and cpu addr 0x0xfffff6416b58ac08
 [     5.369561] radeon0: info: fence driver on ring 3 use gpu addr 0x0000000020000c0c and cpu addr 0x0xfffff6416b58ac0c
 [     5.369561] radeon0: info: fence driver on ring 4 use gpu addr 0x0000000020000c10 and cpu addr 0x0xfffff6416b58ac10
 [     5.369561] radeon0: info: fence driver on ring 5 use gpu addr 0x0000000000076c98 and cpu addr 0x0xffffb5805c566c98
 [     5.379591] radeon0: info: fence driver on ring 6 use gpu addr 0x0000000020000c18 and cpu addr 0x0xfffff6416b58ac18
 [     5.379591] radeon0: info: fence driver on ring 7 use gpu addr 0x0000000020000c1c and cpu addr 0x0xfffff6416b58ac1c
 [     5.379591] kern info: [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
 [     5.379591] kern info: [drm] Driver supports precise vblank timestamp query.
 [     5.379591] radeon0: interrupting at ioapic1 pin 2 (radeon0)
 [     5.379591] kern info: [drm] radeon: irq initialized.
 [     5.379591] kern info: [drm] ring test on 0 succeeded in 4 usecs
 [     5.379591] kern info: [drm] ring test on 1 succeeded in 3 usecs
 [     5.379591] kern info: [drm] ring test on 2 succeeded in 3 usecs
 [     5.379591] kern info: [drm] ring test on 3 succeeded in 4 usecs
 [     5.379591] kern info: [drm] ring test on 4 succeeded in 4 usecs
 [     5.429751] kern info: [drm] ring test on 5 succeeded in 2 usecs
 [     5.449743] kern info: [drm] UVD initialized successfully.
 [     5.560098] kern info: [drm] ring test on 6 succeeded in 18 usecs
 [     5.560098] kern info: [drm] ring test on 7 succeeded in 3 usecs
 [     5.560098] kern info: [drm] VCE initialized successfully.
 [     5.560098] kern info: [drm] ib test on ring 0 succeeded in 0 usecs
 [     6.061497] kern info: [drm] ib test on ring 1 succeeded in 0 usecs
 [     6.552745] ubt0 at uhub5 port 2
 [     6.552745] ubt0: Realtek (0xbda) Bluetooth Radio (0xb728), rev 2.10/2.00, addr 2
 [     6.562772] kern info: [drm] ib test on ring 2 succeeded in 0 usecs
 [     6.562772] kern info: [drm] ib test on ring 3 succeeded in 0 usecs
 [     6.562772] kern info: [drm] ib test on ring 4 succeeded in 0 usecs
 [     7.084221] kern info: [drm] ib test on ring 5 succeeded
 [     7.104181] kern info: [drm] ib test on ring 6 succeeded
 [     7.104181] kern info: [drm] ib test on ring 7 succeeded
 [     7.104181] kern info: [drm] Radeon Display Connectors
 [     7.104181] kern info: [drm] Connector 0:
 [     7.104181] kern info: [drm]   VGA-1
 [     7.104181] kern info: [drm]   HPD2
 [     7.104181] kern info: [drm]   DDC: 0x6540 0x6540 0x6544 0x6544 0x6548 0x6548 0x654c 0x654c
 [     7.104181] kern info: [drm]   Encoders:
 [     7.104181] kern info: [drm]     CRT1: INTERNAL_UNIPHY2
 [     7.104181] kern info: [drm]     CRT1: NUTMEG
 [     7.104181] kern info: [drm] Connector 1:
 [     7.104181] kern info: [drm]   HDMI-A-1
 [     7.104181] kern info: [drm]   HPD3
 [     7.104181] kern info: [drm]   DDC: 0x6550 0x6550 0x6554 0x6554 0x6558 0x6558 0x655c 0x655c
 [     7.104181] kern info: [drm]   Encoders:
 [     7.104181] kern info: [drm]     DFP1: INTERNAL_UNIPHY2
 [     7.104181] kern info: [drm] Connector 2:
 [     7.104181] kern info: [drm]   eDP-1
 [     7.104181] kern info: [drm]   HPD1
 [     7.104181] kern info: [drm]   DDC: 0x6530 0x6530 0x6534 0x6534 0x6538 0x6538 0x653c 0x653c
 [     7.104181] kern info: [drm]   Encoders:
 [     7.104181] kern info: [drm]     LCD1: INTERNAL_UNIPHY
 [     7.104181] kern info: [drm] Connector 3:
 [     7.104181] kern info: [drm]   DP-1
 [     7.104181] kern info: [drm]   HPD4
 [     7.104181] kern info: [drm]   DDC: 0x6560 0x6560 0x6564 0x6564 0x6568 0x6568 0x656c 0x656c
 [     7.104181] kern info: [drm]   Encoders:
 [     7.104181] kern info: [drm]     DFP2: INTERNAL_UNIPHY3
 [     7.936368] radeondrmkmsfb0 at radeon0
 [     8.136902] radeondrmkmsfb0: framebuffer at 0xffffb5805d004000, size 1366x768, depth 32, stride 5632
 [     9.550678] wsdisplay0 at radeondrmkmsfb0 kbdmux 1: console (default, vt100 emulation), using wskbd0
 [     9.571303] wsmux1: connecting to wsdisplay0