[PATCH 040/459] drm/amdgpu: Add struct kiq_pm4_funcs into kiq struct

Alex Deucher alexdeucher at gmail.com
Mon Jun 17 19:10:01 UTC 2019


From: Rex Zhu <Rex.Zhu at amd.com>

kiq can support 4 pm4 scheduler packets
set_resource, map_queues, unmap_queues, query_status.

Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
index f2441c02f9db..14d6f01db27b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
@@ -55,12 +55,32 @@ struct amdgpu_mec {
 	DECLARE_BITMAP(queue_bitmap, AMDGPU_MAX_COMPUTE_QUEUES);
 };
 
+struct kiq_pm4_funcs {
+	/* Support ASIC-specific kiq pm4 packets*/
+	void (*kiq_set_resources)(struct amdgpu_ring *kiq_ring,
+					uint64_t queue_mask);
+	void (*kiq_map_queues)(struct amdgpu_ring *kiq_ring,
+					struct amdgpu_ring *ring);
+	void (*kiq_unmap_queues)(struct amdgpu_ring *kiq_ring,
+				 struct amdgpu_ring *ring, bool reset);
+	void (*kiq_query_status)(struct amdgpu_ring *kiq_ring,
+					struct amdgpu_ring *ring,
+					u64 addr,
+					u64 seq);
+	/* Packet sizes */
+	int set_resources_size;
+	int map_queues_size;
+	int unmap_queues_size;
+	int query_status_size;
+};
+
 struct amdgpu_kiq {
 	u64			eop_gpu_addr;
 	struct amdgpu_bo	*eop_obj;
 	spinlock_t              ring_lock;
 	struct amdgpu_ring	ring;
 	struct amdgpu_irq_src	irq;
+	const struct kiq_pm4_funcs *pmf;
 };
 
 /*
-- 
2.20.1



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