Hello,
First some basic data:
suite: jessie / stretch
architecture: amd64
package xserver-xorg-video-ati, xserver-xorg-video-amdgpu, firmware-amd-graphics
respective kernel version (s): 3.16.* / 4.9.*
Initial Error Message: ERROR* radeon kernel modesetting for R600 or later requires firmware-amd-graphics
AMD/ATI Open Source Drivers (amdgpu, radeon, r128, mach64): https://wiki.debian.org/AtiHowTo
lspci -n | grep VGA
00:01.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] BeaverCreek [Radeon HD 6520G] [1002:9647]
01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Seymour [Radeon HD 6400M/7400M Series] [1002:6760]
Drivers
Support for newer AMD graphics hardware is provided by the xserver-xorg-video-amdgpu package.
Support for older AMD (nee ATI) graphics hardware is provided by the xserver-xorg-video-ati driver wrapper package, which depends on three hardware-specific driver packages:
Elaboration:
When installing xserver-xorg-video-ati on debian jessie OR xserver-xorg-video-amdgpu on debian stretch , debian version freezes @ login screen after approximately 3 seconds, rendering all user input ineffective. I'm forced to restart - and - the same issue reoccurs.
The only known solution is using AMD/ATI Proprietary Driver on debian jessie, since it is currently unavailable for debian stretch. https://wiki.debian.org/ATIProprietary
Question:
Is there any chance the AMD/ATI Open Source Drivers will be updated to support the above AMD Radeon graphics cards?
This issue is frustrating because I'm forced to use debian 8.