From 954e0a72b4220cba6bfcf50a3f13ed29f233b170 Mon Sep 17 00:00:00 2001 From: Jack Xiao Date: Fri, 20 Mar 2020 12:37:49 +0800 Subject: [PATCH] drm/amdgpu/gfx10: add mes queue fence handling MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit From IH ring buffer, look up the coresponding kernel queue and process. Signed-off-by: Jack Xiao Acked-by: Christian König Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 60 ++++++++++++++++++++++------------ 1 file changed, 40 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index 2ab5259..0e009bd 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -9188,31 +9188,51 @@ static int gfx_v10_0_eop_irq(struct amdgpu_device *adev, int i; u8 me_id, pipe_id, queue_id; struct amdgpu_ring *ring; + uint32_t mes_queue_id = entry->src_data[0]; DRM_DEBUG("IH: CP EOP\n"); - me_id = (entry->ring_id & 0x0c) >> 2; - pipe_id = (entry->ring_id & 0x03) >> 0; - queue_id = (entry->ring_id & 0x70) >> 4; - switch (me_id) { - case 0: - if (pipe_id == 0) - amdgpu_fence_process(&adev->gfx.gfx_ring[0]); - else - amdgpu_fence_process(&adev->gfx.gfx_ring[1]); - break; - case 1: - case 2: - for (i = 0; i < adev->gfx.num_compute_rings; i++) { - ring = &adev->gfx.compute_ring[i]; - /* Per-queue interrupt is supported for MEC starting from VI. - * The interrupt can only be enabled/disabled per pipe instead of per queue. - */ - if ((ring->me == me_id) && (ring->pipe == pipe_id) && (ring->queue == queue_id)) - amdgpu_fence_process(ring); + if (adev->enable_mes && (mes_queue_id & AMDGPU_FENCE_MES_QUEUE_FLAG)) { + struct amdgpu_mes_queue *queue; + + mes_queue_id &= AMDGPU_FENCE_MES_QUEUE_ID_MASK; + + spin_lock(&adev->mes.queue_id_lock); + queue = idr_find(&adev->mes.queue_id_idr, mes_queue_id); + if (queue) { + DRM_DEBUG("process mes queue id = %d\n", mes_queue_id); + amdgpu_fence_process(queue->ring); + } + spin_unlock(&adev->mes.queue_id_lock); + } else { + me_id = (entry->ring_id & 0x0c) >> 2; + pipe_id = (entry->ring_id & 0x03) >> 0; + queue_id = (entry->ring_id & 0x70) >> 4; + + switch (me_id) { + case 0: + if (pipe_id == 0) + amdgpu_fence_process(&adev->gfx.gfx_ring[0]); + else + amdgpu_fence_process(&adev->gfx.gfx_ring[1]); + break; + case 1: + case 2: + for (i = 0; i < adev->gfx.num_compute_rings; i++) { + ring = &adev->gfx.compute_ring[i]; + /* Per-queue interrupt is supported for MEC starting from VI. + * The interrupt can only be enabled/disabled per pipe instead + * of per queue. + */ + if ((ring->me == me_id) && + (ring->pipe == pipe_id) && + (ring->queue == queue_id)) + amdgpu_fence_process(ring); + } + break; } - break; } + return 0; } -- 2.7.4