diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1871-drm-amdgpu-sriov-alloc-KIQ-MQD-in-VRAM-v2.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1871-drm-amdgpu-sriov-alloc-KIQ-MQD-in-VRAM-v2.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1871-drm-amdgpu-sriov-alloc-KIQ-MQD-in-VRAM-v2.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1871-drm-amdgpu-sriov-alloc-KIQ-MQD-in-VRAM-v2.patch new file mode 100644 index 00000000..edeb1017 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1871-drm-amdgpu-sriov-alloc-KIQ-MQD-in-VRAM-v2.patch @@ -0,0 +1,45 @@ +From 329e092f6387412173e908ea562813c9e082e3bc Mon Sep 17 00:00:00 2001 +From: Monk Liu <Monk.Liu@amd.com> +Date: Thu, 21 Sep 2017 15:10:06 +0800 +Subject: [PATCH 1871/4131] drm/amdgpu/sriov:alloc KIQ MQD in VRAM(v2) +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +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 + +Change-Id: Iccef37a70c193c83af80961dae2c67ed859f1a13 +Signed-off-by: Monk Liu <Monk.Liu@amd.com> +Acked-by: Alex Deucher <alexander.deucher@amd.com> +Acked-by: Christian König <christian.koenig@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 7 ++++++- + 1 file changed, 6 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c +index 5c13572..3ec238a 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c +@@ -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); +-- +2.7.4 + |