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Is this supported on smu7 parts as well? Might be better to just enable it on the specific asics that support it. I think it might just be vega20.<br>
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Alex<br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> amd-gfx <amd-gfx-bounces@lists.freedesktop.org> on behalf of Evan Quan <evan.quan@amd.com><br>
<b>Sent:</b> Thursday, June 20, 2019 10:07 PM<br>
<b>To:</b> amd-gfx@lists.freedesktop.org<br>
<b>Cc:</b> Quan, Evan<br>
<b>Subject:</b> [PATCH] drm/amd/powerplay: no memory activity support on Vega10</font>
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<div class="PlainText">Make mem_busy_percent sysfs interface invisible on Vega10.<br>
<br>
Change-Id: Ie39c3217b497a110b0b16e1b08033029bdcf2fc8<br>
Signed-off-by: Evan Quan <evan.quan@amd.com><br>
---<br>
drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 6 ++++--<br>
1 file changed, 4 insertions(+), 2 deletions(-)<br>
<br>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c<br>
index 7ed84736ccc9..bcf6e089dc2e 100644<br>
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c<br>
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c<br>
@@ -2945,7 +2945,8 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)<br>
return ret;<br>
}<br>
/* APU does not have its own dedicated memory */<br>
- if (!(adev->flags & AMD_IS_APU)) {<br>
+ if (!(adev->flags & AMD_IS_APU) &&<br>
+ (adev->asic_type != CHIP_VEGA10)) {<br>
ret = device_create_file(adev->dev,<br>
&dev_attr_mem_busy_percent);<br>
if (ret) {<br>
@@ -3025,7 +3026,8 @@ void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev)<br>
device_remove_file(adev->dev,<br>
&dev_attr_pp_od_clk_voltage);<br>
device_remove_file(adev->dev, &dev_attr_gpu_busy_percent);<br>
- if (!(adev->flags & AMD_IS_APU))<br>
+ if (!(adev->flags & AMD_IS_APU) &&<br>
+ (adev->asic_type != CHIP_VEGA10))<br>
device_remove_file(adev->dev, &dev_attr_mem_busy_percent);<br>
if (!(adev->flags & AMD_IS_APU))<br>
device_remove_file(adev->dev, &dev_attr_pcie_bw);<br>
-- <br>
2.21.0<br>
<br>
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