6.8-stable review patch. If anyone has any objections, please let me know. ------------------ From: Lang Yu <Lang.Yu@xxxxxxx> commit 0f1bbcc2bab25d5fb2dfb1ee3e08131437690d3d upstream. Otherwise the old one will be used during GPU reset. That's not expected. Signed-off-by: Lang Yu <Lang.Yu@xxxxxxx> Reviewed-by: Feifei Xu <Feifei.Xu@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/amd/amdgpu/umsch_mm_v4_0.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/gpu/drm/amd/amdgpu/umsch_mm_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/umsch_mm_v4_0.c @@ -225,6 +225,8 @@ static int umsch_mm_v4_0_ring_start(stru WREG32_SOC15(VCN, 0, regVCN_UMSCH_RB_SIZE, ring->ring_size); + ring->wptr = 0; + data = RREG32_SOC15(VCN, 0, regVCN_RB_ENABLE); data &= ~(VCN_RB_ENABLE__AUDIO_RB_EN_MASK); WREG32_SOC15(VCN, 0, regVCN_RB_ENABLE, data);
