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<p class="msipheader87abd423" style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#317100">[AMD Public Use]</span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Patch 1, <o:p></o:p></p>
<p class="MsoNormal">1. maybe it’s better to split it into 2, one is for header file change, and another is functional patch.<o:p></o:p></p>
<p class="MsoNormal">2. Can below codes be merged to one return instead? Variable ‘en’ can serve the function input in smu_send_smc_msg_with_param.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">if (en)<o:p></o:p></p>
<p class="MsoNormal">+ return smu_send_smc_msg_with_param(smu,<o:p></o:p></p>
<p class="MsoNormal">+ SMU_MSG_GmiPwrDnControl,<o:p></o:p></p>
<p class="MsoNormal">+ 1,<o:p></o:p></p>
<p class="MsoNormal">+ NULL);<o:p></o:p></p>
<p class="MsoNormal">+<o:p></o:p></p>
<p class="MsoNormal">+ return smu_send_smc_msg_with_param(smu,<o:p></o:p></p>
<p class="MsoNormal">+ SMU_MSG_GmiPwrDnControl,<o:p></o:p></p>
<p class="MsoNormal">+ 0,<o:p></o:p></p>
<p class="MsoNormal">+ NULL);<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal">Patch 2: Reviewed-by: Guchun Chen <a href="mailto:guchun.chen@amd.com">
guchun.chen@amd.com</a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Patch 3:<o:p></o:p></p>
<p class="MsoNormal">1.function amdgpu_ras_error_inject_xgmi should be one static function?<o:p></o:p></p>
<p class="MsoNormal">2. Regarding below return case, is there one dpm_allow_xgmi_power_down leak? As we have disabled xgmi link power down.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">+ if (amdgpu_ras_intr_triggered())<o:p></o:p></p>
<p class="MsoNormal">+ return ret;<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Regards,<o:p></o:p></p>
<p class="MsoNormal">Guchun<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b>From:</b> amd-gfx <amd-gfx-bounces@lists.freedesktop.org>
<b>On Behalf Of </b>Clements, John<br>
<b>Sent:</b> Friday, May 8, 2020 2:51 PM<br>
<b>To:</b> amd-gfx@lists.freedesktop.org; Zhang, Hawking <Hawking.Zhang@amd.com><br>
<b>Subject:</b> [PATCH] Series to disallow XGMI link power down during RAS XGMI error injection
<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="msipheadera92e061b" style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#0078D7">[AMD Official Use Only - Internal Distribution Only]</span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Submitting 3 patches for review:<o:p></o:p></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo3">Added host to SMU FW cmd to enable/disable XGMI link power down<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo3">Added DPM function for XGMI link power down control<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo3">Disable XGMI link power down prior to issuing a XGMI RAS error<o:p></o:p></li></ul>
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