diff options
| author | ZhenGuo Yin <zhenguo.yin@amd.com> | 2024-04-02 11:41:05 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-04-09 22:09:21 -0400 |
| commit | 05e40141685fd6aaedbde334b404c8dfbbd83fd6 (patch) | |
| tree | 972c21bfd85fb155eeb391e810cec80f57dfc00b /drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | |
| parent | 4b0cb230bdb71c23981acfa5e7b367c7dde02a41 (diff) | |
drm/amdgpu: clear set_q_mode_offs when VM changed
[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: 8bc75586ea01 ("drm/amdgpu: workaround to avoid SET_Q_MODE packets v2")
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: ZhenGuo Yin <zhenguo.yin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c index 7a906318e451..c11c6299711e 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c @@ -5465,6 +5465,7 @@ static void gfx_v11_0_ring_emit_vm_flush(struct amdgpu_ring *ring, /* Make sure that we can't skip the SET_Q_MODE packets when the VM * changed in any way. */ + ring->set_q_mode_offs = 0; ring->set_q_mode_ptr = NULL; } |