From ba0c13b7747ba0157603414366bbe5a00a2f32cd Mon Sep 17 00:00:00 2001 From: Rex Zhu Date: Wed, 22 Aug 2018 13:45:25 +0800 Subject: [PATCH] drm/amdgpu: Add common gfx func Disable kcq via kiq so can be shared with gfx8 and gfx9 Reviewed-by: Alex Deucher Reviewed-by: Hawking Zhang Signed-off-by: Rex Zhu Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 19 +++++++++++++++++++ drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h | 1 + 2 files changed, 20 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c index 15e9f120ff84..ad159e06cfb2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c @@ -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 diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h index 14d6f01db27b..b22421f2b6fe 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h @@ -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);