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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Yes, it sounds like a bug. It should take the mutex locally.<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> amd-gfx [mailto:amd-gfx-bounces@lists.freedesktop.org]
<b>On Behalf Of </b>StDenis, Tom<br>
<b>Sent:</b> Thursday, August 11, 2016 9:42 AM<br>
<b>To:</b> amd-gfx list<br>
<b>Subject:</b> GRBM lock in vce_v3_0_check_soft_reset(void *handle)<o:p></o:p></span></p>
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<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black">I'm working on tidying up vce v3 and came across the function<o:p></o:p></span></p>
<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-family:"Calibri","sans-serif";color:black">static int vce_v3_0_check_soft_reset(void *handle)<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-family:"Calibri","sans-serif";color:black"><o:p> </o:p></span></p>
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<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black">Which writes to the GRBM_GFX_INDEX but doesn't take the mutex around it. Nor does the parent function in amdgpu_device.c which calls all of the check_soft_reset callbacks.<o:p></o:p></span></p>
<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black"><o:p> </o:p></span></p>
<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black">Is this a bug? <o:p></o:p></span></p>
<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black"><o:p> </o:p></span></p>
<p style="background:white"><span style="font-family:"Calibri","sans-serif";color:black">Tom<o:p></o:p></span></p>
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