<div dir="ltr"><div><div><div><div><div class="gmail_extra"><div class="gmail_quote">On Thu, Jan 16, 2014 at 1:14 PM, Peter Teoh <span dir="ltr"><<a href="mailto:htmldeveloper@gmail.com" target="_blank">htmldeveloper@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">In general how it worked is explained here:<div><br></div><div><a href="https://www.kernel.org/doc/htmldocs/drm/drm-kms-init.html" target="_blank">https://www.kernel.org/doc/htmldocs/drm/drm-kms-init.html</a><br>
</div><div><div><br></div><div>Not sure which is the name of your video card, but I think in general all the page flip API should have access to the scan buffer (see link above). For Intel these are possible APIs</div>
<div>
:<br></div><div><br></div></div></div></blockquote><div><br>Thanks. I was trying to find out a generic way to access the scan out
buffer. The page flip functions looks specific to hardware.<br> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><div></div>
<div><br></div><div class="gmail_extra"><div>static void do_intel_finish_page_flip(struct drm_device *dev,<br></div><div>void intel_finish_page_flip(struct drm_device *dev, int pipe)</div><div><span style="white-space:pre-wrap"> </span>do_intel_finish_page_flip(dev, crtc);</div>
<div>void intel_finish_page_flip_plane(struct drm_device *dev, int plane)</div><div><span style="white-space:pre-wrap"> </span>do_intel_finish_page_flip(dev, crtc);</div><div>void intel_prepare_page_flip(struct drm_device *dev, int plane)</div>
<div><span style="white-space:pre-wrap"> </span> * is also accompanied by a spurious intel_prepare_page_flip().</div><div>inline static void intel_mark_page_flip_active(struct intel_crtc *intel_crtc)</div><span class=""><font color="#888888"><br clear="all">
-- <br>Regards,<br>Peter Teoh
</font></span></div></div></div>
</blockquote></div><br>It is enough to have a way to get the content of scan out buffer instead of accessing it directly using a pointer.<br><br><div>Thanks for you help,<br></div>Sannu K<br></div></div></div></div></div>
</div>