My computer booted just fine with that file in /lib/firmware/amdgpu. I downloaded it again after booting, just to make sure that it was the right file version.
% ls -l /lib/firmware/amdgpu/gc_11_0_0_imu.bin
-rw-r--r-- 1 root root 132352 Oct 7 09:36 /lib/firmware/amdgpu/gc_11_0_0_imu.bin
% dpkg -l | grep firmware
ii amd64-microcode 3.20191218.1ubuntu2.2 amd64 Processor microcode firmware for AMD CPUs
ii firmware-sof-signed 2.0-1ubuntu4.1 all Intel SOF firmware - signed
ii intel-microcode 3.20230808.0ubuntu0.22.04.1 amd64 Processor microcode firmware for Intel CPUs
ii linux-firmware 20220329.git681281e4-0ubuntu3.19 all Firmware for Linux kernel drivers
My computer booted just fine with that file in /lib/firmware/ amdgpu. I downloaded it again after booting, just to make sure that it was the right file version.
% ls -l /lib/firmware/ amdgpu/ gc_11_0_ 0_imu.bin amdgpu/ gc_11_0_ 0_imu.bin
-rw-r--r-- 1 root root 132352 Oct 7 09:36 /lib/firmware/
% sha1sum /lib/firmware/ amdgpu/ gc_11_0_ 0_imu.bin 5e38ce4067f630a 5c6d51bc23 /lib/firmware/ amdgpu/ gc_11_0_ 0_imu.bin
2587fa941d4645e
% sha1sum Downloads/ gc_11_0_ 0_imu\( 1\).bin Downloads/ gc_11_0_ 0_imu.bin 5e38ce4067f630a 5c6d51bc23 Downloads/ gc_11_0_ 0_imu(1) .bin 5e38ce4067f630a 5c6d51bc23 Downloads/ gc_11_0_ 0_imu.bin
2587fa941d4645e
2587fa941d4645e
% dpkg -l | grep firmware 1ubuntu2. 2 amd64 Processor microcode firmware for AMD CPUs 0ubuntu0. 22.04.1 amd64 Processor microcode firmware for Intel CPUs git681281e4- 0ubuntu3. 19 all Firmware for Linux kernel drivers
ii amd64-microcode 3.20191218.
ii firmware-sof-signed 2.0-1ubuntu4.1 all Intel SOF firmware - signed
ii intel-microcode 3.20230808.
ii linux-firmware 20220329.