From f8725d600ee4bb663913dca2b1305ee88696a291 Mon Sep 17 00:00:00 2001
From: Jack Xiao <Jack.Xiao@amd.com>
Date: Fri, 20 Mar 2020 12:37:49 +0800
Subject: drm/amdgpu/gfx10: add mes queue fence handling
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Git-commit: 954e0a72b4220cba6bfcf50a3f13ed29f233b170
Patch-mainline: v5.19-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
From IH ring buffer, look up the coresponding kernel queue and process.
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
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 2ab5259c7305..0e009bd69a9b 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;
}
--
2.38.1