Comment # 127
on bug 109955
from haro41@gmx.de
(In reply to Rodney A Morris from comment #126) > If you want someone to apply your changes in bug report no. 110777 to the > kernel for testing, I can so but will not be to it until this weekend. ... thanks for you reply. Yes, that was the idea and would be very nice... Since i thing the proposed fix is more relevant to this very thread, let me repeat the proposed patch here: in 'drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c': static void vega10_notify_smc_display_change(struct pp_hwmgr *hwmgr, bool has_disp) { smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_SetUclkFastSwitch, has_disp ? 1 : 0); /* proposed fix for crashes because of frequently mclk level 0/1 switching */ smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_SetUclkDownHyst, 1); } Only module 'amdgpu.ko' needs to be rebuild and copied, like this: $ cd /home/user/linux-5.x.x && make -j8 -C . M=drivers/gpu/drm/amd/amdgpu # cp /home/user/linux-5.x.x/drivers/gpu/drm/amd/amdgpu/amdgpu.ko /lib/modules/5.x.x/kernel/drivers/gpu/drm/amd/amdgpu/amdgpu.ko && update-initramfs -u ... 'user' and 'x.x' have to be adapted, most likely ...
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