<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="Generator" content="Microsoft Word 15 (filtered medium)">
<!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</style><![endif]--><style><!--
/* Font Definitions */
@font-face
{font-family:ËÎÌå;
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:ËÎÌå;
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:"\@ËÎÌå";
panose-1:2 1 6 0 3 1 1 1 1 1;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
text-align:justify;
text-justify:inter-ideograph;
font-size:10.5pt;
font-family:"Calibri",sans-serif;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:#0563C1;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:#954F72;
text-decoration:underline;}
span.EmailStyle17
{mso-style-type:personal;
font-family:"Calibri",sans-serif;
color:windowtext;}
span.EmailStyle18
{mso-style-type:personal;
font-family:"Calibri",sans-serif;
color:#1F497D;}
span.EmailStyle19
{mso-style-type:personal;
font-family:"Calibri",sans-serif;
color:windowtext;}
span.EmailStyle20
{mso-style-type:personal;
font-family:"Calibri",sans-serif;
color:#1F497D;}
span.EmailStyle21
{mso-style-type:personal;
font-family:"Calibri",sans-serif;
color:#1F497D;}
span.EmailStyle22
{mso-style-type:personal-reply;
font-family:"Calibri",sans-serif;
color:#1F497D;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:72.0pt 90.0pt 72.0pt 90.0pt;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
</head>
<body lang="ZH-CN" link="#0563C1" vlink="#954F72" style="text-justify-trim:punctuation">
<div class="WordSection1">
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> We met a problem on ubuntu17.10 for arm server with amdgpu(AMD RADEON PRO WX7100), we use open source driver which are integrated in ubuntu17.10. And the architecture is AArch64-linux-gnu.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> we install :<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> apt-get install xserver-xorg xinit xfce4 and mesa-utils glmark2<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> we start x server :<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> startx<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> and then the monitor shows the screen and the screen is blurred( something wrong).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><img width="685" height="514" id="ͼƬ_x0020_1" src="cid:image001.jpg@01D37425.10902350" alt="cid:image001.jpg@01D37422.3B3670D0"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> And I have tried some opengl applications, the output has same problem.(something is missing or in the wrong place.)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> But in a x86_64 architecture server, with same OS. The screen output is normal. (I check xorg\DDX\mesa\libdrm etc.all the versions are the same with aarch64 server.)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">What I have done:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> 1</span><span style="font-family:ËÎÌå">¡¢</span><span lang="EN-US">I upgrade kernel to 4.15-rc2 ,upgrade DRM to 3.23,upgrade DDX to 1.40,upgrade mesa to 17.2.6, but the problem still exist.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> 2</span><span style="font-family:ËÎÌå">¡¢</span><span lang="EN-US">I enable ¡®shadowprimary¡¯ option,<b> the screen output became normal</b>, but the<b> performance drop quickly</b>¡ª¡ªglxgears drop from 4800fps to
600fps, glmark drop from 4300 score to 730 score. <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> I doubt there are something different in aarch64 and x86_64 but I don¡¯t know.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> Any Advice or trial suggestion are welcome.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> Thanks.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Rejohn.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
</div>
</body>
</html>