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<TITLE>RE: Who can explain the diff between Xserver-1.6.4 version and >1.7 version about the ExaGetPixmapAddress?</TITLE>
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<P DIR=LTR><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New">Hi, Maarten,</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Arial">As your</FONT> <FONT SIZE=2 FACE="Arial">c</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">o</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">mmit</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">:</FONT><FONT SIZE=2 FACE="Arial"></FONT></SPAN><SPAN LANG="en-us"> </SPAN><A HREF="http://cgit.freedesktop.org/xorg/xserver/commit/?id=12aeddf5ad41902a180f8108623f356642b3e911"><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><U></U><U><FONT COLOR="#0000FF" SIZE=2 FACE="Arial">http://cgit.freedesktop.org/xorg/xserver/commit/?id=12aeddf5ad41</FONT><FONT COLOR="#0000FF" SIZE=2 FACE="Arial">902a180f8108623f356642b3e911</FONT></U></SPAN><SPAN LANG="en-us"></SPAN></A><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Arial">Abou</FONT><FONT SIZE=2 FACE="Arial">t</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Arial">Scratch pixmap with gpu memory</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Arial">–</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial"> Framebuffer</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">.</FONT><FONT SIZE=2 FACE="Arial"> N</FONT><FONT SIZE=2 FACE="Arial">ow in</FONT> <FONT SIZE=2 FACE="Arial">> 1.7 version,</FONT> <FONT SIZE=2 FACE="Arial">th</FONT><FONT SIZE=2 FACE="Arial">e</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Arial">exaModifyPixmapHeader</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial"> fu</FONT><FONT SIZE=2 FACE="Arial">nc</FONT><FONT SIZE=2 FACE="Arial">tion</FONT><FONT SIZE=2 FACE="Arial"></FONT> <FONT SIZE=2 FACE="Arial">have been become</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Arial">exaModifyPixmapHeader</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">_classic</FONT><FONT SIZE=2 FACE="Arial"> (</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial"></FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Arial"><A HREF="http://cgit.freedesktop.org/xorg/xserver/tree/exa/exa_classic.c?id=ac7ac913fd98ea359c05c89968ab53a3223615b4">http://cgit.freedesktop.org/xorg/xserver/tree/exa/exa_classic.c?id=ac7ac913fd98ea359c05c89968ab53a3223615b4</A></FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial"></FONT> <FONT SIZE=2 FACE="Arial"> Line 144</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">)</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">.</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> </SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Arial">W</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">hen I debug</FONT> <FONT SIZE=2 FACE="Arial">to this point (</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">my</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Arial">AMD</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Arial">xf86-video-geode</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">)</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">,</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial"></FONT> <FONT SIZE=2 FACE="Arial">the line 17</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">1-172,</FONT><FONT SIZE=2 FACE="Arial"></FONT> <FONT SIZE=2 FACE="Arial">why only have the</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Arial">“</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial"><</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">”</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial"> judge.</FONT><FONT SIZE=2 FACE="Arial"> F</FONT><FONT SIZE=2 FACE="Arial">or general, I think</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="宋体">“</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">((CARD8 *)pPixData - pExaScr->info->memoryBase) <= pExaScr->info->memorySize)”</FONT><FONT SIZE=2 FACE="Arial">, because</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial"></FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Arial">rotate_mem offset</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial"> should equal to the</FONT> <FONT SIZE=2 FACE="Arial">pExaS</FONT><FONT SIZE=2 FACE="Arial">cr->info->memorySize</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial"> (</FONT><FONT SIZE=2 FACE="Arial">e.</FONT><FONT SIZE=2 FACE="Arial">g</FONT><FONT SIZE=2 FACE="Arial">:</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Helvetica">displayed frame buffer</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">)</FONT><FONT SIZE=2 FACE="Arial">.</FONT> <FONT SIZE=2 FACE="Arial">If only have the</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Arial">“</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial"><</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">”</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">, It</FONT> <FONT SIZE=2 FACE="Arial">will not go into this</FONT> <FONT SIZE=2 FACE="Arial">judge, so</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Arial">the fb_ptr</FONT> <FONT SIZE=2 FACE="Arial">address</FONT> <FONT SIZE=2 FACE="Arial">value</FONT><FONT SIZE=2 FACE="Arial"> is 0x0,</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial"> then the value will</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Arial">a</FONT><FONT SIZE=2 FACE="Arial">ff</FONT><FONT SIZE=2 FACE="Arial">ec</FONT><FONT SIZE=2 FACE="Arial">t</FONT><FONT SIZE=2 FACE="Arial"></FONT> <FONT SIZE=2 FACE="Arial">the</FONT> <FONT SIZE=2 FACE="Arial">exaGetPixmapOffset function (</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">in exa.c</FONT></SPAN><SPAN LANG="en-us"> </SPAN><A HREF="http://cgit.freedesktop.org/xorg/xserver/tree/exa/exa.c?id=ac7ac913fd98ea359c05c89968ab53a3223615b4"><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><U></U><U><FONT COLOR="#0000FF" SIZE=2 FACE="Arial">http://cgit.freedesktop.org/xorg/xserver/tree/exa/exa.c?id=ac7ac913fd98ea359c05c89968ab53a3223615b4</FONT></U></SPAN><SPAN LANG="en-us"></SPAN></A><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial"></FONT> <FONT SIZE=2 FACE="Arial">li</FONT><FONT SIZE=2 FACE="Arial">ne</FONT><FONT SIZE=2 FACE="Arial"></FONT> <FONT SIZE=2 FACE="Arial">6</FONT><FONT SIZE=2 FACE="Arial">2</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">)</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial"> about</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Arial">“</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">return (CARD8 *)pExaPixmap->fb_ptr - pExaScr->info->memoryBase</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">”</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">, the range will</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Arial">be e</FONT><FONT SIZE=2 FACE="Arial">x</FONT><FONT SIZE=2 FACE="Arial">c</FONT><FONT SIZE=2 FACE="Arial">eed</FONT><FONT SIZE=2 FACE="Arial">, if run the driver_do_composite (</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">It is lx_do_composite</FONT> <FONT SIZE=2 FACE="Arial">i</FONT><FONT SIZE=2 FACE="Arial">n our geode_</FONT><FONT SIZE=2 FACE="Arial">driver</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">)</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">, the</FONT> <FONT SIZE=2 FACE="Arial">dstOffset is a error value.</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Arial">Could you explain this issue?</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Arial">L</FONT><FONT SIZE=2 FACE="Arial">et</FONT> <FONT SIZE=2 FACE="Arial">me know why only have</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Arial">“</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial"><</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">”</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">.</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Thanks,</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Hunk Cui</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial"></FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> </SPAN></P>
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