From: Xiangliang Yu <xiangliang...@amd.com>
Allocate MM table for sriov device.
Signed-off-by: Xiangliang Yu <xiangliang...@amd.com>
Signed-off-by: Monk Liu <monk....@amd.com>
Reviewed-by: Alex Deucher <alexander.deuc...@amd.com>
Reviewed-by: Monk Liu <monk....@amd.com>
Reviewed-by: Christian König <christian.koe...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/vce_v4_0.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
b/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
index 21a86d8..b1b887e 100644
--- a/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
@@ -294,6 +294,21 @@ static int vce_v4_0_sw_init(void *handle)
return r;
}
+ if (amdgpu_sriov_vf(adev)) {
+ r = amdgpu_bo_create_kernel(adev, PAGE_SIZE, PAGE_SIZE,
+ AMDGPU_GEM_DOMAIN_VRAM,
+ &adev->virt.mm_table.bo,
+ &adev->virt.mm_table.gpu_addr,
+ (void
*)&adev->virt.mm_table.cpu_addr);
+ if (!r) {
+ memset((void *)adev->virt.mm_table.cpu_addr, 0,
PAGE_SIZE);
+ printk("mm table gpu addr = 0x%llx, cpu addr = %p. \n",
+ adev->virt.mm_table.gpu_addr,
+ adev->virt.mm_table.cpu_addr);
+ }
+ return r;
+ }
+
return r;
}
@@ -302,6 +317,12 @@ static int vce_v4_0_sw_fini(void *handle)
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ /* free MM table */
+ if (amdgpu_sriov_vf(adev))
+ amdgpu_bo_free_kernel(&adev->virt.mm_table.bo,
+ &adev->virt.mm_table.gpu_addr,
+ (void *)&adev->virt.mm_table.cpu_addr);
+
r = amdgpu_vce_suspend(adev);
if (r)
return r;
--
2.5.5
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