Re: [PATCH] drm/amdgpu: clear set_q_mode_offs when VM changed

2024-04-02 Thread Christian König
/amdgpu: clear set_q_mode_offs when VM changed Am 02.04.24 um 08:37 schrieb ZhenGuo Yin: [Why] set_q_mode_offs don't get cleared after GPU reset, nexting SET_Q_MODE packet to init shadow memory will be skiped, hence there has a page fault. [How] VM flush is needed after GPU reset,

RE: [PATCH] drm/amdgpu: clear set_q_mode_offs when VM changed

2024-04-02 Thread Yin, ZhenGuo (Chris)
, Alexander Subject: Re: [PATCH] drm/amdgpu: clear set_q_mode_offs when VM changed Am 02.04.24 um 08:37 schrieb ZhenGuo Yin: > [Why] > set_q_mode_offs don't get cleared after GPU reset, nexting SET_Q_MODE > packet to init shadow memory will be skiped, hence there has a page fault. > &

Re: [PATCH] drm/amdgpu: clear set_q_mode_offs when VM changed

2024-04-02 Thread Christian König
Am 02.04.24 um 08:37 schrieb ZhenGuo Yin: [Why] set_q_mode_offs don't get cleared after GPU reset, nexting SET_Q_MODE packet to init shadow memory will be skiped, hence there has a page fault. [How] VM flush is needed after GPU reset, clear set_q_mode_offs when emitting VM flush. Fixes: 8dad9c0

[PATCH] drm/amdgpu: clear set_q_mode_offs when VM changed

2024-04-01 Thread ZhenGuo Yin
[Why] set_q_mode_offs don't get cleared after GPU reset, nexting SET_Q_MODE packet to init shadow memory will be skiped, hence there has a page fault. [How] VM flush is needed after GPU reset, clear set_q_mode_offs when emitting VM flush. Fixes: 8dad9c062355 ("drm/amdgpu: workaround to avoid SET_