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<div dir="auto">Good catch! mem.size is actually the backing store size (usually in pages).
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<div dir="auto">Patch is Acked-by: Christian König <Christian.Koenig@amd.com></div>
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<div class="x_gmail_quote">Am 25.03.2020 11:19 schrieb "Wang, Kevin(Yang)" <Kevin1.Wang@amd.com>:<br type="attribution">
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<font size="2"><span style="font-size:11pt;">
<div class="PlainText">the HPD bo size calculation error.<br>
the "mem.size" can't present actual BO size all time.<br>
<br>
Signed-off-by: Kevin Wang <kevin1.wang@amd.com><br>
---<br>
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 2 +-<br>
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 2 +-<br>
2 files changed, 2 insertions(+), 2 deletions(-)<br>
<br>
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c<br>
index 7f9ac1a14e6f..91c82383b016 100644<br>
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c<br>
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c<br>
@@ -1113,7 +1113,7 @@ static int gfx_v10_0_mec_init(struct amdgpu_device *adev)<br>
return r;<br>
}<br>
<br>
- memset(hpd, 0, adev->gfx.mec.hpd_eop_obj->tbo.mem.size);<br>
+ memset(hpd, 0, mec_hpd_size);<br>
<br>
amdgpu_bo_kunmap(adev->gfx.mec.hpd_eop_obj);<br>
amdgpu_bo_unreserve(adev->gfx.mec.hpd_eop_obj);<br>
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c<br>
index fb567cf5671b..01b22dad52fd 100644<br>
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c<br>
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c<br>
@@ -1946,7 +1946,7 @@ static int gfx_v9_0_mec_init(struct amdgpu_device *adev)<br>
return r;<br>
}<br>
<br>
- memset(hpd, 0, adev->gfx.mec.hpd_eop_obj->tbo.mem.size);<br>
+ memset(hpd, 0, mec_hpd_size);<br>
<br>
amdgpu_bo_kunmap(adev->gfx.mec.hpd_eop_obj);<br>
amdgpu_bo_unreserve(adev->gfx.mec.hpd_eop_obj);<br>
-- <br>
2.17.1<br>
<br>
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