drm/amdgpu: disable agp for sriov

Since agp is not used for sriov, just disable it

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Frank.Min <Frank.Min@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

2 files changed, 9 insertions, 2 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
index 924d83e711ef..5790db61fa2c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
@@ -220,6 +220,14 @@ void amdgpu_gmc_agp_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc)
         const uint64_t sixteen_gb_mask = ~(sixteen_gb - 1);
         u64 size_af, size_bf;
 
+        if (amdgpu_sriov_vf(adev)) {
+                mc->agp_start = 0xffffffff;
+                mc->agp_end = 0x0;
+                mc->agp_size = 0;
+
+                return;
+        }
+
         if (mc->fb_start > mc->gart_start) {
                 size_bf = (mc->fb_start & sixteen_gb_mask) -
                         ALIGN(mc->gart_end + 1, sixteen_gb);
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index e5949d7f3b93..6d61a531bb53 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -934,8 +934,7 @@ static void gmc_v9_0_vram_gtt_location(struct amdgpu_device *adev,
         base += adev->gmc.xgmi.physical_node_id * adev->gmc.xgmi.node_segment_size;
         amdgpu_gmc_vram_location(adev, mc, base);
         amdgpu_gmc_gart_location(adev, mc);
-        if (!amdgpu_sriov_vf(adev))
-                amdgpu_gmc_agp_location(adev, mc);
+        amdgpu_gmc_agp_location(adev, mc);
         /* base offset of vram pages */
         adev->vm_manager.vram_base_offset = gfxhub_v1_0_get_mc_fb_offset(adev);