On Wed, Apr 15, 2015 at 08:49:39AM +0000, Xie, William wrote: > To make it more specific, > > For example: > 1: video frame size is 1280x720, > 2: screen resolution is 3200x1800, > > How can I set crtc and src parameters? > > 1: crtc (0, 0, 3200, 1800) src (0, 0, 3200<<16, 1800<<16) > 2: crtc (0, 0, 3200, 1800) src (0, 0, 1280<<16, 720<<16) > > Which one is correct?
2 is correct. What hardware are you trying this on? Do note that on HSW/BDW/VLV/CHV the hardware lost the plane scaling ability. It's coming back on SKL. > > William > > From: Xie, William > Sent: Wednesday, April 15, 2015 3:55 PM > To: DRI Development; DRI Development > Subject: Help on drmModeSetPlane > > Question please, could someone share the meaning of the parameters for > drmModeSetPlane in libdrm? > > int drmModeSetPlane(int fd, uint32_t plane_id, uint32_t crtc_id, > uint32_t fb_id, uint32_t flags, > int32_t crtc_x, int32_t crtc_y, > uint32_t crtc_w, uint32_t crtc_h, > uint32_t src_x, uint32_t src_y, > uint32_t src_w, uint32_t src_h) > > > My problem is, whatever value I set, the video is not full screen mode, > Anything I missed? > > Thanks > William > > > > > _______________________________________________ > dri-devel mailing list > dri-devel at lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/dri-devel -- Ville Syrjälä Intel OTC
