the HPD bo size calculation error.
the "mem.size" can't present actual BO size all time.

Signed-off-by: Kevin Wang <kevin1.w...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 2 +-
 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c 
b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index 7f9ac1a14e6f..91c82383b016 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -1113,7 +1113,7 @@ static int gfx_v10_0_mec_init(struct amdgpu_device *adev)
                return r;
        }
 
-       memset(hpd, 0, adev->gfx.mec.hpd_eop_obj->tbo.mem.size);
+       memset(hpd, 0, mec_hpd_size);
 
        amdgpu_bo_kunmap(adev->gfx.mec.hpd_eop_obj);
        amdgpu_bo_unreserve(adev->gfx.mec.hpd_eop_obj);
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c 
b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index fb567cf5671b..01b22dad52fd 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -1946,7 +1946,7 @@ static int gfx_v9_0_mec_init(struct amdgpu_device *adev)
                return r;
        }
 
-       memset(hpd, 0, adev->gfx.mec.hpd_eop_obj->tbo.mem.size);
+       memset(hpd, 0, mec_hpd_size);
 
        amdgpu_bo_kunmap(adev->gfx.mec.hpd_eop_obj);
        amdgpu_bo_unreserve(adev->gfx.mec.hpd_eop_obj);
-- 
2.17.1

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