On Tue, Feb 07, 2017 at 10:44:59PM +0100, Marek Vasut wrote: > On 02/02/2017 10:26 PM, Fabio Estevam wrote: > > From: Fabio Estevam <fabio.estevam@xxxxxxx> > > > > Currently the framebuffer content is displayed with incorrect offsets > > in both the vertical and horizontal directions. > > > > The fbdev version of the driver does not show this problem. Breno Lima > > dumped the eLCDIF controller registers on both the drm and fbdev drivers > > and noticed that the VDCTRL3 register is configured incorrectly in the > > drm driver. > > > > The fbdev driver calculates the vertical and horizontal wait counts > > of the VDCTRL3 register by doing: back porch + sync length. > > > > Looking at the horizontal and vertical timing diagram from > > include/drm/drm_modes.h this value corresponds to: > > > > crtc_[hv]total - crtc_[hv]sync_start > > > > So fix the VDCTRL3 register setting accordingly so that the eLCDIF > > controller can properly show the framebuffer content in the correct > > position. > > > > Reported-by: Breno Lima <breno.lima@xxxxxxx> > > Signed-off-by: Fabio Estevam <fabio.estevam@xxxxxxx> > > Tested-by: Marek Vasut <marex@xxxxxxx> You're listed as maintainer in MAINTAINERS, replying with tested-by is super confusing. Did you pick this up and will do a pull request? Do you expect someone else to pick this up? -Daniel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
