drm2 again

[Steve Kargl]

On Wed, Oct 31, 2018 at 10:19:14PM +0100, Niclas Zeising wrote:
> On 10/31/18 10:11 PM, Johannes Lundberg wrote:
> > 
> > 
> >     error: [drm:pid109:ni_init_microcode] *ERROR* ni_cp: Failed to load
> >     firmware "radeon/CAICOS_pfp.bin"
> >     error: [drm:pid109:evergreen_startup] *ERROR* Failed to load firmware!
> >     drmn0: error: disabling GPU acceleration
> >     drmn0: warning: 0xfffff800061f8c00 unpin not necessary
> >     drmn0: warning: 0xfffff800061f8c00 unpin not necessary
> >     error: [drm:pid109:evergreen_init] *ERROR* radeon: MC ucode required
> >     for NI+.
> >     drmn0: error: Fatal error during GPU init
> >     info: [drm] radeon: finishing device.
> >     info: [drm] radeon: ttm finalized
> >     device_attach: drmn0 attach returned 22
> > 
> > 
> > I found some more firmware calls that were unpatched.
> > Committed to: https://github.com/FreeBSDDesktop/drm-legacy
> > 
> > Port will be updated this evening.
> > 
> > Thanks for your patients.  Fingers crossed this time...

This update got the firmware to load!  Unfortuantely, when I
start Xorg, I get a black screen of death.  If I diff the
'dmesg | drm" messages from booting with the in-tree drm2
and drm-legacy I see

--- drm2.base.dmesg	2018-09-27 15:20:53.186039000 -0700
+++ drm-legacy.txt	2018-10-31 14:36:33.214879000 -0700
@@ -1,12 +1,4 @@
 info: [drm] Initialized drm 1.1.0 20060810
-drmn0: =======================================================
-drmn0: This code is obsolete abandonware. Install the graphics/drm-stable-kmod pkg
-drmn0: =======================================================
-drmn0: Deprecated code (to be removed in FreeBSD 13): drm2 drivers
-drmn0: =======================================================
-drmn0: This code is obsolete abandonware. Install the graphics/drm-stable-kmod pkg
-drmn0: =======================================================
-drmn0: Deprecated code (to be removed in FreeBSD 13): drm2 drivers
 drmn0: <Caicos [Radeon HD 6450]> on vgapci0
 info: [drm] RADEON_IS_PCIE
 info: [drm] initializing kernel modesetting (CAICOS 0x1002:0x6779 0x1092:0x6450).
@@ -21,7 +13,7 @@
 info: [drm] igp_read_bios_from_vram: ===> Try IGP's VRAM...
 info: [drm] igp_read_bios_from_vram: VRAM base address: 0xc0000000
 info: [drm] igp_read_bios_from_vram: Map address: 0xfffff800c0000000 (262144 bytes)
-info: [drm] igp_read_bios_from_vram: Incorrect BIOS signature: 0x2070
+info: [drm] igp_read_bios_from_vram: Incorrect BIOS signature: 0x2F07
 info: [drm] radeon_read_bios: ===> Try PCI Expansion ROM...
 info: [drm] radeon_read_bios: Map address: 0xfffff800000c0000 (131072 bytes)
 info: [drm] ATOM BIOS: C26401
@@ -40,10 +32,14 @@
 info: [drm] probing gen 2 caps for device 1002:5a16 = 2/0
 info: [drm] enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0
 info: [drm] Loading CAICOS Microcode
+drmn0: Successfully loaded firmware image with name (mapped name): radeon/CAICOS_pfp.bin (radeon_CAICOS_pfp_bin)
+drmn0: Successfully loaded firmware image with name (mapped name): radeon/CAICOS_me.bin (radeon_CAICOS_me_bin)
+drmn0: Successfully loaded firmware image with name (mapped name): radeon/BTC_rlc.bin (radeon_BTC_rlc_bin)
+drmn0: Successfully loaded firmware image with name (mapped name): radeon/CAICOS_mc.bin (radeon_CAICOS_mc_bin)
 info: [drm] PCIE GART of 512M enabled (table at 0x0000000000040000).
 drmn0: info: WB enabled
-drmn0: info: fence driver on ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0x0xfffff8005250ec00
-drmn0: info: fence driver on ring 3 use gpu addr 0x0000000040000c0c and cpu addr 0x0xfffff8005250ec0c
+drmn0: info: fence driver on ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0x0xfffff800065ffc00
+drmn0: info: fence driver on ring 3 use gpu addr 0x0000000040000c0c and cpu addr 0x0xfffff800065ffc0c
 info: [drm] ring test on 0 succeeded in 4 usecs
 info: [drm] ring test on 3 succeeded in 1 usecs
 info: [drm] ib test on ring 0 succeeded in 0 usecs

-- 
Steve