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drm/amdgpu: Add common gfx func Disable kcq via kiq 

so can be shared with gfx8 and gfx9

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2018-08-22 13:45:25 +08:00 committed by Alex Deucher
parent bc4a6f7135
commit ba0c13b774
2 changed files with 20 additions and 0 deletions
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19
drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
View File

@ -431,6 +431,25 @@ void amdgpu_gfx_mqd_sw_fini(struct amdgpu_device *adev)
&ring->mqd_ptr);
}
int amdgpu_gfx_disable_kcq(struct amdgpu_device *adev)
{
struct amdgpu_kiq *kiq = &adev->gfx.kiq;
struct amdgpu_ring *kiq_ring = &kiq->ring;
int i;
if (!kiq->pmf || !kiq->pmf->kiq_unmap_queues)
return -EINVAL;
if (amdgpu_ring_alloc(kiq_ring, kiq->pmf->unmap_queues_size *
adev->gfx.num_compute_rings))
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);
return amdgpu_ring_test_ring(kiq_ring);
}
/* amdgpu_gfx_off_ctrl - Handle gfx off feature enable/disable
*
* @adev: amdgpu_device pointer

1
drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
View File

@ -353,6 +353,7 @@ int amdgpu_gfx_kiq_init(struct amdgpu_device *adev,
int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
unsigned mqd_size);
void amdgpu_gfx_mqd_sw_fini(struct amdgpu_device *adev);
int amdgpu_gfx_disable_kcq(struct amdgpu_device *adev);
void amdgpu_gfx_compute_queue_acquire(struct amdgpu_device *adev);
void amdgpu_gfx_graphics_queue_acquire(struct amdgpu_device *adev);