Enable mes pipe wptr polling for gfxoff might result in mes pipe wptr missing. Signed-off-by: Jack Xiao <Jack.Xiao@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/mes_v12_0.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c index 185f4b55dcca..e516e4598017 100644 --- a/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c @@ -1256,6 +1256,9 @@ static int mes_v12_0_queue_init(struct amdgpu_device *adev, else if (pipe == AMDGPU_MES_KIQ_PIPE && adev->enable_mes_kiq) adev->mes.kiq_version = RREG32_SOC15(GC, 0, regCP_MES_GP3_LO); + /* enable wptr polling */ + WREG32_FIELD15_PREREG(GC, 0, CP_PQ_WPTR_POLL_CNTL, EN, 1); + soc21_grbm_select(adev, 0, 0, 0, 0); mutex_unlock(&adev->srbm_mutex); -- 2.41.0
