[PATCH 096/100] drm/amdgpu/vce4: alloc mm table for MM sriov

[alexdeucher@xxxxxxxxx (Alex Deucher)]

From: Xiangliang Yu <Xiangliang.Yu@xxxxxxx>

Allocate MM table for sriov device.

Signed-off-by: Xiangliang Yu <Xiangliang.Yu at amd.com>
Signed-off-by: Monk Liu <Monk.Liu at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Reviewed-by: Monk Liu <Monk.Liu at amd.com>
Reviewed-by: Christian K�¶nig <christian.koenig at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at 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