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drm/amdgpu/gfx10: add special unmap_queues packet for preemption 

CP introduced a special unmap_queues packet for gfx preemtion.

Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jack Xiao 2019-01-08 13:33:46 +08:00 committed by Alex Deucher
parent 849aca9f9c
commit 1919196165
2 changed files with 12 additions and 2 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
View File

@ -445,7 +445,8 @@ int amdgpu_gfx_disable_kcq(struct amdgpu_device *adev)
return -ENOMEM;
for (i = 0; i < adev->gfx.num_compute_rings; i++)
kiq->pmf->kiq_unmap_queues(kiq_ring, &adev->gfx.compute_ring[i], true);
kiq->pmf->kiq_unmap_queues(kiq_ring, &adev->gfx.compute_ring[i],
RESET_QUEUES, 0, 0);
return amdgpu_ring_test_ring(kiq_ring);
}

11
drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
View File

@ -55,6 +55,13 @@ struct amdgpu_mec {
DECLARE_BITMAP(queue_bitmap, AMDGPU_MAX_COMPUTE_QUEUES);
};
enum amdgpu_unmap_queues_action {
PREEMPT_QUEUES = 0,
RESET_QUEUES,
DISABLE_PROCESS_QUEUES,
PREEMPT_QUEUES_NO_UNMAP,
};
struct kiq_pm4_funcs {
/* Support ASIC-specific kiq pm4 packets*/
void (*kiq_set_resources)(struct amdgpu_ring *kiq_ring,
@ -62,7 +69,9 @@ struct kiq_pm4_funcs {
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);
struct amdgpu_ring *ring,
enum amdgpu_unmap_queues_action action,
u64 gpu_addr, u64 seq);
void (*kiq_query_status)(struct amdgpu_ring *kiq_ring,
struct amdgpu_ring *ring,
u64 addr,