BTW: My questions are assuming that the DFB application did not call the IDirectFB::Suspend function.
>-----Original Message----- >From: Strelchun, Timothy >Sent: Thursday, September 01, 2011 2:37 PM >To: 'directfb-dev@directfb.org' >Subject: Graphics driver power management handling > >Generally, I think that DirectFB API usage should be stopped >by the application prior to system/SoC power entering a >standby/suspended state, but for a robust solution when usage >still occurs it should be handled. I am curious what the >"preferred" approach is for applications using the DirectFB >API when the system/SoC power is in a standby/suspended state. > >Should requests of the graphics driver block on access to the >GPU unit and thus in essence hide the concept of power >management (PM) from the application? Of course, that will >not allow for the application to respond normally to requests >to change behavior or exit cleanly, or handle emergency >shutdown needs in a nice manner... > >Or should requests of the graphics driver return failures to >the DFB core which will eventually bubble back out of the DFB >API to the caller to handle? > >Thanks, >Timothy > >-- > >Timothy Strelchun >CE Software Engineering >Digital Home Group >Intel Corporation _______________________________________________ directfb-dev mailing list directfb-dev@directfb.org http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-dev
