>-----Original Message----- >From: Michel Dänzer <michel@xxxxxxxxxxx> >Sent: Friday, December 21, 2018 4:38 PM >To: Deng, Emily <Emily.Deng@xxxxxxx> >Cc: amd-gfx@xxxxxxxxxxxxxxxxxxxxx >Subject: Re: [PATCH] drm/amdgpu/virtual_dce: Need to pin the fb's bo > >On 2018-12-21 8:26 a.m., Emily Deng wrote: >> When the bo is used to set mode, the bo need to be pinned. > >On second thought, why does the BO need to be pinned? When using the display >hardware, the BO needs to be pinned to prevent it from being moved while the >hardware is scanning out from it, but that shouldn't be necessary here. The pin here is used for scan out the buffer by remote display app. Best wishes Emily Deng > >-- >Earthling Michel Dänzer | http://www.amd.com >Libre software enthusiast | Mesa and X developer _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx