On Sunday, 24 December 2017 04:10:55 GMT Adam Carter wrote:

> > As you can see above there is a marked difference between the firmware
> > built
> > by the two kernels.  In any case, my '/lib/firmware/' path contains:
> > 
> > $ ls -l /lib/firmware/radeon/RV730*
> > -rw-r--r-- 1 root root  5440 Dec 20 17:29 /lib/firmware/radeon/RV730_me.
> > bin
> > -rw-r--r-- 1 root root  3392 Dec 20 17:29 /lib/firmware/radeon/RV730_
> > pfp.bin
> > -rw-r--r-- 1 root root 16684 Dec 20 17:29 /lib/firmware/radeon/RV730_
> > smc.bin
> 
> Earlier I saw
> 
> CONFIG_EXTRA_FIRMWARE="intel-ucode/06-1e-05 radeon/R700_rlc.bin
> radeon/RV730_smc.bin radeon/RV710_uvd.bin"

Yes, other than the Intel microcode I followed the Gentoo Wiki page for my 
graphics card:

https://wiki.gentoo.org/wiki/Radeon

> For radeon/R700_rlc.bin
> $ find /lib/firmware/ -name \*R700\*
> /lib/firmware/radeon/R700_rlc.bin
> 
> For radeon/RV730_smc.bin
> $ find /lib/firmware/ -name \*RV730\*
> /lib/firmware/radeon/RV730_pfp.bin
> /lib/firmware/radeon/RV730_smc.bin
> /lib/firmware/radeon/RV730_me.bin
> 
> For adeon/RV710_uvd.bin
> $ find /lib/firmware/ -name \*RV710\*
> /lib/firmware/radeon/RV710_me.bin
> /lib/firmware/radeon/RV710_pfp.bin
> /lib/firmware/radeon/RV710_smc.bin
> /lib/firmware/radeon/RV710_uvd.bin
> 
> So it looks like you're trying to load firmware from three different
> models.

Yes, this is what the Wiki recommends for RV730.


> Run lspci -v to determine which is correct one, then load all the firmwares
> for that model.

02:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] 
RV730/M96-XT [Mobility Radeon HD 4670] (prog-if 00 [VGA controller])
        Subsystem: Dell RV730/M96-XT [Mobility Radeon HD 4670]
        Flags: bus master, fast devsel, latency 0, IRQ 29
        Memory at d0000000 (32-bit, prefetchable) [size=256M]
        I/O ports at 2000 [size=256]
        Memory at cfef0000 (32-bit, non-prefetchable) [size=64K]
        [virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
        Capabilities: [50] Power Management version 3
        Capabilities: [58] Express Legacy Endpoint, MSI 00
        Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
        Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 
<?>
        Kernel driver in use: radeon

02:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] RV710/730 HDMI 
Audio [Radeon HD 4000 series]
        Subsystem: Dell RV710/730 HDMI Audio [Radeon HD 4000 series]
        Flags: bus master, fast devsel, latency 0, IRQ 32
        Memory at cfeec000 (32-bit, non-prefetchable) [size=16K]
        Capabilities: [50] Power Management version 3
        Capabilities: [58] Express Legacy Endpoint, MSI 00
        Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
        Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 
<?>
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel


It seems the blobs changed.  The firmware_install message confused me by 
making me think this was the cause of not being able to initiate the graphics 
card when I tried to boot the new kernel, rather than the missing blobs.
-- 
Regards,
Mick