Commit beb84102 authored by Monk Liu's avatar Monk Liu Committed by Alex Deucher
Browse files

drm/amdgpu/sriov:alloc KIQ MQD in VRAM(v2) 



this way after KIQ MQD released in drv unloading, CPC
can still let KIQ access this MQD thus RLCV SAVE_VF
will not fail

v2:
always use VRAM domain for KIQ MQD no matter BM or SRIOV

Signed-off-by: default avatarMonk Liu <Monk.Liu@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Acked-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 85f95ad6

drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c

+6 −1
Original line number Diff line number Diff line
@@ -260,8 +260,13 @@ int amdgpu_gfx_compute_mqd_sw_init(struct amdgpu_device *adev, 
	/* create MQD for KIQ */

	ring = &adev->gfx.kiq.ring;

	if (!ring->mqd_obj) {

		/* originaly the KIQ MQD is put in GTT domain, but for SRIOV VRAM domain is a must

		 * otherwise hypervisor trigger SAVE_VF fail after driver unloaded which mean MQD

		 * deallocated and gart_unbind, to strict diverage we decide to use VRAM domain for

		 * KIQ MQD no matter SRIOV or Bare-metal

		 */

		r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE,

					    AMDGPU_GEM_DOMAIN_GTT, &ring->mqd_obj,

					    AMDGPU_GEM_DOMAIN_VRAM, &ring->mqd_obj,

					    &ring->mqd_gpu_addr, &ring->mqd_ptr);

		if (r) {

			dev_warn(adev->dev, "failed to create ring mqd ob (%d)", r);

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