No need to reset the wptr and clear the rings. The UNMAP_QUEUES packet writes the current MQD state back the MQD on suspend, so there is no need to reset it as well.
Signed-off-by: Alex Deucher <[email protected]> --- drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index d26bad2..f86a7f6 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -2158,18 +2158,7 @@ static int gfx_v9_0_kiq_init_queue(struct amdgpu_ring *ring) gfx_v9_0_kiq_setting(ring); - if (!adev->gfx.in_reset) { - memset((void *)mqd, 0, sizeof(*mqd)); - mutex_lock(&adev->srbm_mutex); - soc15_grbm_select(adev, ring->me, ring->pipe, ring->queue, 0); - gfx_v9_0_mqd_init(ring); - gfx_v9_0_kiq_init_register(ring); - soc15_grbm_select(adev, 0, 0, 0, 0); - mutex_unlock(&adev->srbm_mutex); - - if (adev->gfx.mec.mqd_backup[mqd_idx]) - memcpy(adev->gfx.mec.mqd_backup[mqd_idx], mqd, sizeof(*mqd)); - } else { /* for GPU_RESET case */ + if (adev->gfx.in_reset) { /* for GPU_RESET case */ /* reset MQD to a clean status */ if (adev->gfx.mec.mqd_backup[mqd_idx]) memcpy(mqd, adev->gfx.mec.mqd_backup[mqd_idx], sizeof(*mqd)); @@ -2183,6 +2172,17 @@ static int gfx_v9_0_kiq_init_queue(struct amdgpu_ring *ring) gfx_v9_0_kiq_init_register(ring); soc15_grbm_select(adev, 0, 0, 0, 0); mutex_unlock(&adev->srbm_mutex); + } else { + memset((void *)mqd, 0, sizeof(*mqd)); + mutex_lock(&adev->srbm_mutex); + soc15_grbm_select(adev, ring->me, ring->pipe, ring->queue, 0); + gfx_v9_0_mqd_init(ring); + gfx_v9_0_kiq_init_register(ring); + soc15_grbm_select(adev, 0, 0, 0, 0); + mutex_unlock(&adev->srbm_mutex); + + if (adev->gfx.mec.mqd_backup[mqd_idx]) + memcpy(adev->gfx.mec.mqd_backup[mqd_idx], mqd, sizeof(*mqd)); } return 0; @@ -2204,7 +2204,7 @@ static int gfx_v9_0_kcq_init_queue(struct amdgpu_ring *ring) if (adev->gfx.mec.mqd_backup[mqd_idx]) memcpy(adev->gfx.mec.mqd_backup[mqd_idx], mqd, sizeof(*mqd)); - } else { /* for GPU_RESET case */ + } else if (adev->gfx.in_reset) { /* for GPU_RESET case */ /* reset MQD to a clean status */ if (adev->gfx.mec.mqd_backup[mqd_idx]) memcpy(mqd, adev->gfx.mec.mqd_backup[mqd_idx], sizeof(*mqd)); -- 2.5.5 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
