<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <style type="text/css" style="display:none;"></style> </head> <body dir="ltr"> <div id="divtagdefaultwrapper" style="font-size:12pt;color:#000000;font-family:Calibri,Helvetica,sans-serif;" dir="ltr"> <p style="margin-top:0;margin-bottom:0">16 was considering UVD.</p> <p style="margin-top:0;margin-bottom:0">in vlVagetImage, the width,height passed to function is not used but rather the surface width/height and that causes issue in this case,not sure how driver will handle that ?</p> <hr style="display:inline-block; width:98%" tabindex="-1"> <div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Ilia Mirkin <imirkin@alum.mit.edu><br> <b>Sent:</b> Monday, October 1, 2018 6:49 PM<br> <b>To:</b> Sharma, Deepak<br> <b>Cc:</b> ML Mesa-dev; Guttula, Suresh<br> <b>Subject:</b> Re: [Mesa-dev] [PATCH] st/va:Aligned image width and height to 16.</font> <div> </div> </div> <div class="BodyFragment"><font size="2"><span style="font-size:11pt"> <div class="PlainText">On Mon, Oct 1, 2018 at 9:47 PM Sharma, Deepak <Deepak.Sharma@amd.com> wrote:<br> ><br> > From: suresh guttula <suresh.guttula@amd.com><br> ><br> > In case of decoding of resolution like 40x24, while allocating surface<br> > video buffer is always aligned with macroblock width/height which is 16.<br> > But when application tries to get data after decoding through vaCreateImage<br> > /vaGetImage, image width/height aligned with 2 and result a smaller image<br> > buffer which causes the memory stomping issue.<br> <br> Shouldn't the driver be allocating a larger backing texture instead?<br> Why 16 and not 8 or 32 or 4096?<br> <br> -ilia<br> </div> </span></font></div> </div> </body> </html>