If there are 2 gfx rings, the doorbell lower range of second ring will override the first ring. Signed-off-by: Jinzhou.Su <Jinzhou.Su@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index ffbda6680a68..f33e54b01d3a 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -6357,8 +6357,11 @@ static int gfx_v10_0_gfx_mqd_init(struct amdgpu_ring *ring) DOORBELL_EN, 0); mqd->cp_rb_doorbell_control = tmp; - /* set doorbell range */ - gfx_v10_0_cp_gfx_set_doorbell(adev, ring); + /*if there are 2 gfx rings, set the lower doorbell range of the first ring, + *otherwise the range of the second ring will override the first ring */ + if (ring->doorbell_index == adev->doorbell_index.gfx_ring0 << 1) + gfx_v10_0_cp_gfx_set_doorbell(adev, ring); + /* reset read and write pointers, similar to CP_RB0_WPTR/_RPTR */ ring->wptr = 0; mqd->cp_gfx_hqd_rptr = RREG32_SOC15(GC, 0, mmCP_GFX_HQD_RPTR); -- 2.17.1 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
