From f4d583cd3f1634f1d62bf193f4dbccb7611db56a Mon Sep 17 00:00:00 2001 From: "Jesse.zhang@amd.com" Date: Mon, 9 Dec 2024 17:12:04 +0800 Subject: [PATCH 1186/5403] drm/amdgpu/sdma7: implement queue reset callback for sdma7 Implement sdma queue reset callback by mes_reset_queue_mmio. Signed-off-by: Jesse Zhang Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c index eb17f6968bcc..c85f7626896a 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c @@ -829,6 +829,31 @@ static bool sdma_v7_0_check_soft_reset(struct amdgpu_ip_block *ip_block) return false; } +static int sdma_v7_0_reset_queue(struct amdgpu_ring *ring, unsigned int vmid) +{ + struct amdgpu_device *adev = ring->adev; + int i, r; + + if (amdgpu_sriov_vf(adev)) + return -EINVAL; + + for (i = 0; i < adev->sdma.num_instances; i++) { + if (ring == &adev->sdma.instance[i].ring) + break; + } + + if (i == adev->sdma.num_instances) { + DRM_ERROR("sdma instance not found\n"); + return -EINVAL; + } + + r = amdgpu_mes_reset_legacy_queue(adev, ring, vmid, true); + if (r) + return r; + + return sdma_v7_0_gfx_resume_instance(adev, i, true); +} + /** * sdma_v7_0_start - setup and start the async dma engines * @@ -1659,6 +1684,7 @@ static const struct amdgpu_ring_funcs sdma_v7_0_ring_funcs = { .emit_reg_write_reg_wait = sdma_v7_0_ring_emit_reg_write_reg_wait, .init_cond_exec = sdma_v7_0_ring_init_cond_exec, .preempt_ib = sdma_v7_0_ring_preempt_ib, + .reset = sdma_v7_0_reset_queue, }; static void sdma_v7_0_set_ring_funcs(struct amdgpu_device *adev) -- 2.54.0